diff --git a/go.mod b/go.mod index fb892ad..810da4f 100644 --- a/go.mod +++ b/go.mod @@ -6,8 +6,3 @@ require ( github.com/santhosh-tekuri/jsonschema/v5 v5.3.1 sigs.k8s.io/yaml v1.4.0 ) - -require ( - github.com/hashicorp/go-cleanhttp v0.5.2 // indirect - github.com/hashicorp/go-retryablehttp v0.7.7 // indirect -) diff --git a/go.sum b/go.sum index 4113063..e03111e 100644 --- a/go.sum +++ b/go.sum @@ -1,9 +1,5 @@ github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38= github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= -github.com/hashicorp/go-cleanhttp v0.5.2 h1:035FKYIWjmULyFRBKPs8TBQoi0x6d9G4xc9neXJWAZQ= -github.com/hashicorp/go-cleanhttp v0.5.2/go.mod h1:kO/YDlP8L1346E6Sodw+PrpBSV4/SoxCXGY6BqNFT48= -github.com/hashicorp/go-retryablehttp v0.7.7 h1:C8hUCYzor8PIfXHa4UrZkU4VvK8o9ISHxT2Q8+VepXU= -github.com/hashicorp/go-retryablehttp v0.7.7/go.mod h1:pkQpWZeYWskR+D1tR2O5OcBFOxfA7DoAO6xtkuQnHTk= github.com/santhosh-tekuri/jsonschema/v5 v5.3.1 h1:lZUw3E0/J3roVtGQ+SCrUrg3ON6NgVqpn3+iol9aGu4= github.com/santhosh-tekuri/jsonschema/v5 v5.3.1/go.mod h1:uToXkOrWAZ6/Oc07xWQrPOhJotwFIyu2bBVN41fcDUY= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= diff --git a/pkg/registry/http.go b/pkg/registry/http.go index 2441ce1..9d342d2 100644 --- a/pkg/registry/http.go +++ b/pkg/registry/http.go @@ -10,7 +10,6 @@ import ( "os" "time" - retryablehttp "github.com/hashicorp/go-retryablehttp" "github.com/yannh/kubeconform/pkg/cache" ) @@ -52,13 +51,8 @@ func newHTTPRegistry(schemaPathTemplate string, cacheFolder string, strict bool, filecache = cache.NewOnDiskCache(cacheFolder) } - // retriable http client - retryClient := retryablehttp.NewClient() - retryClient.RetryMax = 2 - retryClient.HTTPClient = &http.Client{Transport: reghttp} - return &SchemaRegistry{ - c: retryClient.StandardClient(), + c: &http.Client{Transport: reghttp}, schemaPathTemplate: schemaPathTemplate, cache: filecache, strict: strict, diff --git a/pkg/registry/http_test.go b/pkg/registry/http_test.go index 61b02b8..53962c9 100644 --- a/pkg/registry/http_test.go +++ b/pkg/registry/http_test.go @@ -3,98 +3,29 @@ package registry import ( "bytes" "fmt" - "math/rand" + "io" "net/http" + "strings" "testing" - "time" ) type mockHTTPGetter struct { - callNumber int - httpGet func(mockHTTPGetter, string) (*http.Response, error) + httpGet func(string) (*http.Response, error) } -func newMockHTTPGetter(f func(mockHTTPGetter, string) (*http.Response, error)) *mockHTTPGetter { +func newMockHTTPGetter(f func(string) (*http.Response, error)) *mockHTTPGetter { return &mockHTTPGetter{ - callNumber: 0, - httpGet: f, + httpGet: f, } } -func (m *mockHTTPGetter) Get(url string) (resp *http.Response, err error) { - m.callNumber = m.callNumber + 1 - return m.httpGet(*m, url) +func (m mockHTTPGetter) Get(url string) (resp *http.Response, err error) { + return m.httpGet(url) } func TestDownloadSchema(t *testing.T) { - callCounts := map[string]int{} - - // http server to simulate different responses - http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { - var s int - callCounts[r.URL.Path]++ - callCount := callCounts[r.URL.Path] - - switch r.URL.Path { - case "/404": - s = http.StatusNotFound - case "/500": - s = http.StatusInternalServerError - case "/503": - if callCount < 2 { - s = http.StatusServiceUnavailable - } else { - s = http.StatusOK // Should succeed on 3rd try - } - - case "/simulate-reset": - if callCount < 2 { - if hj, ok := w.(http.Hijacker); ok { - conn, _, err := hj.Hijack() - if err != nil { - fmt.Printf("Hijacking failed: %v\n", err) - return - } - conn.Close() // Close the connection to simulate a reset - } - return - } - s = http.StatusOK // Should succeed on third try - - default: - s = http.StatusOK - } - - w.WriteHeader(s) - w.Write([]byte(http.StatusText(s))) - }) - - port := fmt.Sprint(rand.Intn(1000) + 9000) // random port - server := &http.Server{Addr: "127.0.0.1:" + port} - url := fmt.Sprintf("http://localhost:%s", port) - - go func() { - if err := server.ListenAndServe(); err != nil { - fmt.Printf("Failed to start server: %v\n", err) - } - }() - defer server.Shutdown(nil) - - // Wait for the server to start - for i := 0; i < 20; i++ { - if _, err := http.Get(url); err == nil { - break - } - - if i == 19 { - t.Error("http server did not start") - return - } - - time.Sleep(50 * time.Millisecond) - } - for _, testCase := range []struct { name string + c httpGetter schemaPathTemplate string strict bool resourceKind, resourceAPIVersion, k8sversion string @@ -102,78 +33,84 @@ func TestDownloadSchema(t *testing.T) { expectErr error }{ { - "retry connection reset by peer", - fmt.Sprintf("%s/simulate-reset", url), + "error when downloading", + newMockHTTPGetter(func(url string) (resp *http.Response, err error) { + return nil, fmt.Errorf("failed downloading from registry") + }), + "http://kubernetesjson.dev", true, "Deployment", "v1", "1.18.0", - []byte(http.StatusText(http.StatusOK)), nil, + fmt.Errorf("failed downloading schema at http://kubernetesjson.dev: failed downloading from registry"), }, { "getting 404", - fmt.Sprintf("%s/404", url), + newMockHTTPGetter(func(url string) (resp *http.Response, err error) { + return &http.Response{ + StatusCode: http.StatusNotFound, + Body: io.NopCloser(strings.NewReader("http response mock body")), + }, nil + }), + "http://kubernetesjson.dev", true, "Deployment", "v1", "1.18.0", nil, - fmt.Errorf("could not find schema at %s/404", url), + fmt.Errorf("could not find schema at http://kubernetesjson.dev"), }, { - "getting 500", - fmt.Sprintf("%s/500", url), + "getting 503", + newMockHTTPGetter(func(url string) (resp *http.Response, err error) { + return &http.Response{ + StatusCode: http.StatusServiceUnavailable, + Body: io.NopCloser(strings.NewReader("http response mock body")), + }, nil + }), + "http://kubernetesjson.dev", true, "Deployment", "v1", "1.18.0", nil, - fmt.Errorf("failed downloading schema at %s/500: Get \"%s/500\": GET %s/500 giving up after 3 attempt(s)", url, url, url), - }, - { - "retry 503", - fmt.Sprintf("%s/503", url), - true, - "Deployment", - "v1", - "1.18.0", - []byte(http.StatusText(http.StatusOK)), - nil, + fmt.Errorf("error while downloading schema at http://kubernetesjson.dev - received HTTP status 503"), }, { "200", - url, + newMockHTTPGetter(func(url string) (resp *http.Response, err error) { + return &http.Response{ + StatusCode: http.StatusOK, + Body: io.NopCloser(strings.NewReader("http response mock body")), + }, nil + }), + "http://kubernetesjson.dev", true, "Deployment", "v1", "1.18.0", - []byte(http.StatusText(http.StatusOK)), + []byte("http response mock body"), nil, }, } { - callCounts = map[string]int{} // Reinitialise counters - - reg, err := newHTTPRegistry(testCase.schemaPathTemplate, "", testCase.strict, true, true) - if err != nil { - t.Errorf("during test '%s': failed to create registry: %s", testCase.name, err) - continue + reg := SchemaRegistry{ + c: testCase.c, + schemaPathTemplate: testCase.schemaPathTemplate, + strict: testCase.strict, } _, res, err := reg.DownloadSchema(testCase.resourceKind, testCase.resourceAPIVersion, testCase.k8sversion) if err == nil || testCase.expectErr == nil { - if err == nil && testCase.expectErr != nil { - t.Errorf("during test '%s': expected error\n%s, got nil", testCase.name, testCase.expectErr) - } - if err != nil && testCase.expectErr == nil { - t.Errorf("during test '%s': expected no error, got\n%s\n", testCase.name, err) + if err != testCase.expectErr { + t.Errorf("during test '%s': expected error, got:\n%s\n%s\n", testCase.name, testCase.expectErr, err) } } else if err.Error() != testCase.expectErr.Error() { - t.Errorf("during test '%s': expected error\n%s, got:\n%s\n", testCase.name, testCase.expectErr, err) + t.Errorf("during test '%s': expected error, got:\n%s\n%s\n", testCase.name, testCase.expectErr, err) } if !bytes.Equal(res, testCase.expect) { - t.Errorf("during test '%s': expected '%s', got '%s'", testCase.name, testCase.expect, res) + t.Errorf("during test '%s': expected %s, got %s", testCase.name, testCase.expect, res) } } diff --git a/vendor/github.com/hashicorp/go-cleanhttp/LICENSE b/vendor/github.com/hashicorp/go-cleanhttp/LICENSE deleted file mode 100644 index e87a115..0000000 --- a/vendor/github.com/hashicorp/go-cleanhttp/LICENSE +++ /dev/null @@ -1,363 +0,0 @@ -Mozilla Public License, version 2.0 - -1. Definitions - -1.1. "Contributor" - - means each individual or legal entity that creates, contributes to the - creation of, or owns Covered Software. - -1.2. "Contributor Version" - - means the combination of the Contributions of others (if any) used by a - Contributor and that particular Contributor's Contribution. - -1.3. "Contribution" - - means Covered Software of a particular Contributor. - -1.4. "Covered Software" - - means Source Code Form to which the initial Contributor has attached the - notice in Exhibit A, the Executable Form of such Source Code Form, and - Modifications of such Source Code Form, in each case including portions - thereof. - -1.5. "Incompatible With Secondary Licenses" - means - - a. that the initial Contributor has attached the notice described in - Exhibit B to the Covered Software; or - - b. that the Covered Software was made available under the terms of - version 1.1 or earlier of the License, but not also under the terms of - a Secondary License. - -1.6. "Executable Form" - - means any form of the work other than Source Code Form. - -1.7. "Larger Work" - - means a work that combines Covered Software with other material, in a - separate file or files, that is not Covered Software. - -1.8. "License" - - means this document. - -1.9. "Licensable" - - means having the right to grant, to the maximum extent possible, whether - at the time of the initial grant or subsequently, any and all of the - rights conveyed by this License. - -1.10. "Modifications" - - means any of the following: - - a. any file in Source Code Form that results from an addition to, - deletion from, or modification of the contents of Covered Software; or - - b. any new file in Source Code Form that contains any Covered Software. - -1.11. "Patent Claims" of a Contributor - - means any patent claim(s), including without limitation, method, - process, and apparatus claims, in any patent Licensable by such - Contributor that would be infringed, but for the grant of the License, - by the making, using, selling, offering for sale, having made, import, - or transfer of either its Contributions or its Contributor Version. - -1.12. "Secondary License" - - means either the GNU General Public License, Version 2.0, the GNU Lesser - General Public License, Version 2.1, the GNU Affero General Public - License, Version 3.0, or any later versions of those licenses. - -1.13. "Source Code Form" - - means the form of the work preferred for making modifications. - -1.14. "You" (or "Your") - - means an individual or a legal entity exercising rights under this - License. For legal entities, "You" includes any entity that controls, is - controlled by, or is under common control with You. For purposes of this - definition, "control" means (a) the power, direct or indirect, to cause - the direction or management of such entity, whether by contract or - otherwise, or (b) ownership of more than fifty percent (50%) of the - outstanding shares or beneficial ownership of such entity. - - -2. License Grants and Conditions - -2.1. Grants - - Each Contributor hereby grants You a world-wide, royalty-free, - non-exclusive license: - - a. under intellectual property rights (other than patent or trademark) - Licensable by such Contributor to use, reproduce, make available, - modify, display, perform, distribute, and otherwise exploit its - Contributions, either on an unmodified basis, with Modifications, or - as part of a Larger Work; and - - b. under Patent Claims of such Contributor to make, use, sell, offer for - sale, have made, import, and otherwise transfer either its - Contributions or its Contributor Version. - -2.2. Effective Date - - The licenses granted in Section 2.1 with respect to any Contribution - become effective for each Contribution on the date the Contributor first - distributes such Contribution. - -2.3. Limitations on Grant Scope - - The licenses granted in this Section 2 are the only rights granted under - this License. No additional rights or licenses will be implied from the - distribution or licensing of Covered Software under this License. - Notwithstanding Section 2.1(b) above, no patent license is granted by a - Contributor: - - a. for any code that a Contributor has removed from Covered Software; or - - b. for infringements caused by: (i) Your and any other third party's - modifications of Covered Software, or (ii) the combination of its - Contributions with other software (except as part of its Contributor - Version); or - - c. under Patent Claims infringed by Covered Software in the absence of - its Contributions. - - This License does not grant any rights in the trademarks, service marks, - or logos of any Contributor (except as may be necessary to comply with - the notice requirements in Section 3.4). - -2.4. Subsequent Licenses - - No Contributor makes additional grants as a result of Your choice to - distribute the Covered Software under a subsequent version of this - License (see Section 10.2) or under the terms of a Secondary License (if - permitted under the terms of Section 3.3). - -2.5. Representation - - Each Contributor represents that the Contributor believes its - Contributions are its original creation(s) or it has sufficient rights to - grant the rights to its Contributions conveyed by this License. - -2.6. Fair Use - - This License is not intended to limit any rights You have under - applicable copyright doctrines of fair use, fair dealing, or other - equivalents. - -2.7. Conditions - - Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in - Section 2.1. - - -3. Responsibilities - -3.1. Distribution of Source Form - - All distribution of Covered Software in Source Code Form, including any - Modifications that You create or to which You contribute, must be under - the terms of this License. You must inform recipients that the Source - Code Form of the Covered Software is governed by the terms of this - License, and how they can obtain a copy of this License. You may not - attempt to alter or restrict the recipients' rights in the Source Code - Form. - -3.2. Distribution of Executable Form - - If You distribute Covered Software in Executable Form then: - - a. such Covered Software must also be made available in Source Code Form, - as described in Section 3.1, and You must inform recipients of the - Executable Form how they can obtain a copy of such Source Code Form by - reasonable means in a timely manner, at a charge no more than the cost - of distribution to the recipient; and - - b. You may distribute such Executable Form under the terms of this - License, or sublicense it under different terms, provided that the - license for the Executable Form does not attempt to limit or alter the - recipients' rights in the Source Code Form under this License. - -3.3. Distribution of a Larger Work - - You may create and distribute a Larger Work under terms of Your choice, - provided that You also comply with the requirements of this License for - the Covered Software. If the Larger Work is a combination of Covered - Software with a work governed by one or more Secondary Licenses, and the - Covered Software is not Incompatible With Secondary Licenses, this - License permits You to additionally distribute such Covered Software - under the terms of such Secondary License(s), so that the recipient of - the Larger Work may, at their option, further distribute the Covered - Software under the terms of either this License or such Secondary - License(s). - -3.4. Notices - - You may not remove or alter the substance of any license notices - (including copyright notices, patent notices, disclaimers of warranty, or - limitations of liability) contained within the Source Code Form of the - Covered Software, except that You may alter any license notices to the - extent required to remedy known factual inaccuracies. - -3.5. Application of Additional Terms - - You may choose to offer, and to charge a fee for, warranty, support, - indemnity or liability obligations to one or more recipients of Covered - Software. However, You may do so only on Your own behalf, and not on - behalf of any Contributor. You must make it absolutely clear that any - such warranty, support, indemnity, or liability obligation is offered by - You alone, and You hereby agree to indemnify every Contributor for any - liability incurred by such Contributor as a result of warranty, support, - indemnity or liability terms You offer. You may include additional - disclaimers of warranty and limitations of liability specific to any - jurisdiction. - -4. Inability to Comply Due to Statute or Regulation - - If it is impossible for You to comply with any of the terms of this License - with respect to some or all of the Covered Software due to statute, - judicial order, or regulation then You must: (a) comply with the terms of - this License to the maximum extent possible; and (b) describe the - limitations and the code they affect. Such description must be placed in a - text file included with all distributions of the Covered Software under - this License. Except to the extent prohibited by statute or regulation, - such description must be sufficiently detailed for a recipient of ordinary - skill to be able to understand it. - -5. Termination - -5.1. The rights granted under this License will terminate automatically if You - fail to comply with any of its terms. However, if You become compliant, - then the rights granted under this License from a particular Contributor - are reinstated (a) provisionally, unless and until such Contributor - explicitly and finally terminates Your grants, and (b) on an ongoing - basis, if such Contributor fails to notify You of the non-compliance by - some reasonable means prior to 60 days after You have come back into - compliance. Moreover, Your grants from a particular Contributor are - reinstated on an ongoing basis if such Contributor notifies You of the - non-compliance by some reasonable means, this is the first time You have - received notice of non-compliance with this License from such - Contributor, and You become compliant prior to 30 days after Your receipt - of the notice. - -5.2. If You initiate litigation against any entity by asserting a patent - infringement claim (excluding declaratory judgment actions, - counter-claims, and cross-claims) alleging that a Contributor Version - directly or indirectly infringes any patent, then the rights granted to - You by any and all Contributors for the Covered Software under Section - 2.1 of this License shall terminate. - -5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user - license agreements (excluding distributors and resellers) which have been - validly granted by You or Your distributors under this License prior to - termination shall survive termination. - -6. Disclaimer of Warranty - - Covered Software is provided under this License on an "as is" basis, - without warranty of any kind, either expressed, implied, or statutory, - including, without limitation, warranties that the Covered Software is free - of defects, merchantable, fit for a particular purpose or non-infringing. - The entire risk as to the quality and performance of the Covered Software - is with You. Should any Covered Software prove defective in any respect, - You (not any Contributor) assume the cost of any necessary servicing, - repair, or correction. This disclaimer of warranty constitutes an essential - part of this License. No use of any Covered Software is authorized under - this License except under this disclaimer. - -7. Limitation of Liability - - Under no circumstances and under no legal theory, whether tort (including - negligence), contract, or otherwise, shall any Contributor, or anyone who - distributes Covered Software as permitted above, be liable to You for any - direct, indirect, special, incidental, or consequential damages of any - character including, without limitation, damages for lost profits, loss of - goodwill, work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses, even if such party shall have been - informed of the possibility of such damages. This limitation of liability - shall not apply to liability for death or personal injury resulting from - such party's negligence to the extent applicable law prohibits such - limitation. Some jurisdictions do not allow the exclusion or limitation of - incidental or consequential damages, so this exclusion and limitation may - not apply to You. - -8. Litigation - - Any litigation relating to this License may be brought only in the courts - of a jurisdiction where the defendant maintains its principal place of - business and such litigation shall be governed by laws of that - jurisdiction, without reference to its conflict-of-law provisions. Nothing - in this Section shall prevent a party's ability to bring cross-claims or - counter-claims. - -9. Miscellaneous - - This License represents the complete agreement concerning the subject - matter hereof. If any provision of this License is held to be - unenforceable, such provision shall be reformed only to the extent - necessary to make it enforceable. Any law or regulation which provides that - the language of a contract shall be construed against the drafter shall not - be used to construe this License against a Contributor. - - -10. Versions of the License - -10.1. New Versions - - Mozilla Foundation is the license steward. Except as provided in Section - 10.3, no one other than the license steward has the right to modify or - publish new versions of this License. Each version will be given a - distinguishing version number. - -10.2. Effect of New Versions - - You may distribute the Covered Software under the terms of the version - of the License under which You originally received the Covered Software, - or under the terms of any subsequent version published by the license - steward. - -10.3. Modified Versions - - If you create software not governed by this License, and you want to - create a new license for such software, you may create and use a - modified version of this License if you rename the license and remove - any references to the name of the license steward (except to note that - such modified license differs from this License). - -10.4. Distributing Source Code Form that is Incompatible With Secondary - Licenses If You choose to distribute Source Code Form that is - Incompatible With Secondary Licenses under the terms of this version of - the License, the notice described in Exhibit B of this License must be - attached. - -Exhibit A - Source Code Form License Notice - - This Source Code Form is subject to the - terms of the Mozilla Public License, v. - 2.0. If a copy of the MPL was not - distributed with this file, You can - obtain one at - http://mozilla.org/MPL/2.0/. - -If it is not possible or desirable to put the notice in a particular file, -then You may include the notice in a location (such as a LICENSE file in a -relevant directory) where a recipient would be likely to look for such a -notice. - -You may add additional accurate notices of copyright ownership. - -Exhibit B - "Incompatible With Secondary Licenses" Notice - - This Source Code Form is "Incompatible - With Secondary Licenses", as defined by - the Mozilla Public License, v. 2.0. - diff --git a/vendor/github.com/hashicorp/go-cleanhttp/README.md b/vendor/github.com/hashicorp/go-cleanhttp/README.md deleted file mode 100644 index 036e531..0000000 --- a/vendor/github.com/hashicorp/go-cleanhttp/README.md +++ /dev/null @@ -1,30 +0,0 @@ -# cleanhttp - -Functions for accessing "clean" Go http.Client values - -------------- - -The Go standard library contains a default `http.Client` called -`http.DefaultClient`. It is a common idiom in Go code to start with -`http.DefaultClient` and tweak it as necessary, and in fact, this is -encouraged; from the `http` package documentation: - -> The Client's Transport typically has internal state (cached TCP connections), -so Clients should be reused instead of created as needed. Clients are safe for -concurrent use by multiple goroutines. - -Unfortunately, this is a shared value, and it is not uncommon for libraries to -assume that they are free to modify it at will. With enough dependencies, it -can be very easy to encounter strange problems and race conditions due to -manipulation of this shared value across libraries and goroutines (clients are -safe for concurrent use, but writing values to the client struct itself is not -protected). - -Making things worse is the fact that a bare `http.Client` will use a default -`http.Transport` called `http.DefaultTransport`, which is another global value -that behaves the same way. So it is not simply enough to replace -`http.DefaultClient` with `&http.Client{}`. - -This repository provides some simple functions to get a "clean" `http.Client` --- one that uses the same default values as the Go standard library, but -returns a client that does not share any state with other clients. diff --git a/vendor/github.com/hashicorp/go-cleanhttp/cleanhttp.go b/vendor/github.com/hashicorp/go-cleanhttp/cleanhttp.go deleted file mode 100644 index fe28d15..0000000 --- a/vendor/github.com/hashicorp/go-cleanhttp/cleanhttp.go +++ /dev/null @@ -1,58 +0,0 @@ -package cleanhttp - -import ( - "net" - "net/http" - "runtime" - "time" -) - -// DefaultTransport returns a new http.Transport with similar default values to -// http.DefaultTransport, but with idle connections and keepalives disabled. -func DefaultTransport() *http.Transport { - transport := DefaultPooledTransport() - transport.DisableKeepAlives = true - transport.MaxIdleConnsPerHost = -1 - return transport -} - -// DefaultPooledTransport returns a new http.Transport with similar default -// values to http.DefaultTransport. Do not use this for transient transports as -// it can leak file descriptors over time. Only use this for transports that -// will be re-used for the same host(s). -func DefaultPooledTransport() *http.Transport { - transport := &http.Transport{ - Proxy: http.ProxyFromEnvironment, - DialContext: (&net.Dialer{ - Timeout: 30 * time.Second, - KeepAlive: 30 * time.Second, - DualStack: true, - }).DialContext, - MaxIdleConns: 100, - IdleConnTimeout: 90 * time.Second, - TLSHandshakeTimeout: 10 * time.Second, - ExpectContinueTimeout: 1 * time.Second, - ForceAttemptHTTP2: true, - MaxIdleConnsPerHost: runtime.GOMAXPROCS(0) + 1, - } - return transport -} - -// DefaultClient returns a new http.Client with similar default values to -// http.Client, but with a non-shared Transport, idle connections disabled, and -// keepalives disabled. -func DefaultClient() *http.Client { - return &http.Client{ - Transport: DefaultTransport(), - } -} - -// DefaultPooledClient returns a new http.Client with similar default values to -// http.Client, but with a shared Transport. Do not use this function for -// transient clients as it can leak file descriptors over time. Only use this -// for clients that will be re-used for the same host(s). -func DefaultPooledClient() *http.Client { - return &http.Client{ - Transport: DefaultPooledTransport(), - } -} diff --git a/vendor/github.com/hashicorp/go-cleanhttp/doc.go b/vendor/github.com/hashicorp/go-cleanhttp/doc.go deleted file mode 100644 index 0584109..0000000 --- a/vendor/github.com/hashicorp/go-cleanhttp/doc.go +++ /dev/null @@ -1,20 +0,0 @@ -// Package cleanhttp offers convenience utilities for acquiring "clean" -// http.Transport and http.Client structs. -// -// Values set on http.DefaultClient and http.DefaultTransport affect all -// callers. This can have detrimental effects, esepcially in TLS contexts, -// where client or root certificates set to talk to multiple endpoints can end -// up displacing each other, leading to hard-to-debug issues. This package -// provides non-shared http.Client and http.Transport structs to ensure that -// the configuration will not be overwritten by other parts of the application -// or dependencies. -// -// The DefaultClient and DefaultTransport functions disable idle connections -// and keepalives. Without ensuring that idle connections are closed before -// garbage collection, short-term clients/transports can leak file descriptors, -// eventually leading to "too many open files" errors. If you will be -// connecting to the same hosts repeatedly from the same client, you can use -// DefaultPooledClient to receive a client that has connection pooling -// semantics similar to http.DefaultClient. -// -package cleanhttp diff --git a/vendor/github.com/hashicorp/go-cleanhttp/handlers.go b/vendor/github.com/hashicorp/go-cleanhttp/handlers.go deleted file mode 100644 index 3c845dc..0000000 --- a/vendor/github.com/hashicorp/go-cleanhttp/handlers.go +++ /dev/null @@ -1,48 +0,0 @@ -package cleanhttp - -import ( - "net/http" - "strings" - "unicode" -) - -// HandlerInput provides input options to cleanhttp's handlers -type HandlerInput struct { - ErrStatus int -} - -// PrintablePathCheckHandler is a middleware that ensures the request path -// contains only printable runes. -func PrintablePathCheckHandler(next http.Handler, input *HandlerInput) http.Handler { - // Nil-check on input to make it optional - if input == nil { - input = &HandlerInput{ - ErrStatus: http.StatusBadRequest, - } - } - - // Default to http.StatusBadRequest on error - if input.ErrStatus == 0 { - input.ErrStatus = http.StatusBadRequest - } - - return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - if r != nil { - // Check URL path for non-printable characters - idx := strings.IndexFunc(r.URL.Path, func(c rune) bool { - return !unicode.IsPrint(c) - }) - - if idx != -1 { - w.WriteHeader(input.ErrStatus) - return - } - - if next != nil { - next.ServeHTTP(w, r) - } - } - - return - }) -} diff --git a/vendor/github.com/hashicorp/go-retryablehttp/.gitignore b/vendor/github.com/hashicorp/go-retryablehttp/.gitignore deleted file mode 100644 index 4e309e0..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/.gitignore +++ /dev/null @@ -1,4 +0,0 @@ -.idea/ -*.iml -*.test -.vscode/ \ No newline at end of file diff --git a/vendor/github.com/hashicorp/go-retryablehttp/.go-version b/vendor/github.com/hashicorp/go-retryablehttp/.go-version deleted file mode 100644 index 6fee2fe..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/.go-version +++ /dev/null @@ -1 +0,0 @@ -1.22.2 diff --git a/vendor/github.com/hashicorp/go-retryablehttp/CHANGELOG.md b/vendor/github.com/hashicorp/go-retryablehttp/CHANGELOG.md deleted file mode 100644 index 68a627c..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/CHANGELOG.md +++ /dev/null @@ -1,33 +0,0 @@ -## 0.7.7 (May 30, 2024) - -BUG FIXES: - -- client: avoid potentially leaking URL-embedded basic authentication credentials in logs (#158) - -## 0.7.6 (May 9, 2024) - -ENHANCEMENTS: - -- client: support a `RetryPrepare` function for modifying the request before retrying (#216) -- client: support HTTP-date values for `Retry-After` header value (#138) -- client: avoid reading entire body when the body is a `*bytes.Reader` (#197) - -BUG FIXES: - -- client: fix a broken check for invalid server certificate in go 1.20+ (#210) - -## 0.7.5 (Nov 8, 2023) - -BUG FIXES: - -- client: fixes an issue where the request body is not preserved on temporary redirects or re-established HTTP/2 connections (#207) - -## 0.7.4 (Jun 6, 2023) - -BUG FIXES: - -- client: fixing an issue where the Content-Type header wouldn't be sent with an empty payload when using HTTP/2 (#194) - -## 0.7.3 (May 15, 2023) - -Initial release diff --git a/vendor/github.com/hashicorp/go-retryablehttp/CODEOWNERS b/vendor/github.com/hashicorp/go-retryablehttp/CODEOWNERS deleted file mode 100644 index d6dd78a..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/CODEOWNERS +++ /dev/null @@ -1 +0,0 @@ -* @hashicorp/go-retryablehttp-maintainers diff --git a/vendor/github.com/hashicorp/go-retryablehttp/LICENSE b/vendor/github.com/hashicorp/go-retryablehttp/LICENSE deleted file mode 100644 index f4f97ee..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/LICENSE +++ /dev/null @@ -1,365 +0,0 @@ -Copyright (c) 2015 HashiCorp, Inc. - -Mozilla Public License, version 2.0 - -1. Definitions - -1.1. "Contributor" - - means each individual or legal entity that creates, contributes to the - creation of, or owns Covered Software. - -1.2. "Contributor Version" - - means the combination of the Contributions of others (if any) used by a - Contributor and that particular Contributor's Contribution. - -1.3. "Contribution" - - means Covered Software of a particular Contributor. - -1.4. "Covered Software" - - means Source Code Form to which the initial Contributor has attached the - notice in Exhibit A, the Executable Form of such Source Code Form, and - Modifications of such Source Code Form, in each case including portions - thereof. - -1.5. "Incompatible With Secondary Licenses" - means - - a. that the initial Contributor has attached the notice described in - Exhibit B to the Covered Software; or - - b. that the Covered Software was made available under the terms of - version 1.1 or earlier of the License, but not also under the terms of - a Secondary License. - -1.6. "Executable Form" - - means any form of the work other than Source Code Form. - -1.7. "Larger Work" - - means a work that combines Covered Software with other material, in a - separate file or files, that is not Covered Software. - -1.8. "License" - - means this document. - -1.9. "Licensable" - - means having the right to grant, to the maximum extent possible, whether - at the time of the initial grant or subsequently, any and all of the - rights conveyed by this License. - -1.10. "Modifications" - - means any of the following: - - a. any file in Source Code Form that results from an addition to, - deletion from, or modification of the contents of Covered Software; or - - b. any new file in Source Code Form that contains any Covered Software. - -1.11. "Patent Claims" of a Contributor - - means any patent claim(s), including without limitation, method, - process, and apparatus claims, in any patent Licensable by such - Contributor that would be infringed, but for the grant of the License, - by the making, using, selling, offering for sale, having made, import, - or transfer of either its Contributions or its Contributor Version. - -1.12. "Secondary License" - - means either the GNU General Public License, Version 2.0, the GNU Lesser - General Public License, Version 2.1, the GNU Affero General Public - License, Version 3.0, or any later versions of those licenses. - -1.13. "Source Code Form" - - means the form of the work preferred for making modifications. - -1.14. "You" (or "Your") - - means an individual or a legal entity exercising rights under this - License. For legal entities, "You" includes any entity that controls, is - controlled by, or is under common control with You. For purposes of this - definition, "control" means (a) the power, direct or indirect, to cause - the direction or management of such entity, whether by contract or - otherwise, or (b) ownership of more than fifty percent (50%) of the - outstanding shares or beneficial ownership of such entity. - - -2. License Grants and Conditions - -2.1. Grants - - Each Contributor hereby grants You a world-wide, royalty-free, - non-exclusive license: - - a. under intellectual property rights (other than patent or trademark) - Licensable by such Contributor to use, reproduce, make available, - modify, display, perform, distribute, and otherwise exploit its - Contributions, either on an unmodified basis, with Modifications, or - as part of a Larger Work; and - - b. under Patent Claims of such Contributor to make, use, sell, offer for - sale, have made, import, and otherwise transfer either its - Contributions or its Contributor Version. - -2.2. Effective Date - - The licenses granted in Section 2.1 with respect to any Contribution - become effective for each Contribution on the date the Contributor first - distributes such Contribution. - -2.3. Limitations on Grant Scope - - The licenses granted in this Section 2 are the only rights granted under - this License. No additional rights or licenses will be implied from the - distribution or licensing of Covered Software under this License. - Notwithstanding Section 2.1(b) above, no patent license is granted by a - Contributor: - - a. for any code that a Contributor has removed from Covered Software; or - - b. for infringements caused by: (i) Your and any other third party's - modifications of Covered Software, or (ii) the combination of its - Contributions with other software (except as part of its Contributor - Version); or - - c. under Patent Claims infringed by Covered Software in the absence of - its Contributions. - - This License does not grant any rights in the trademarks, service marks, - or logos of any Contributor (except as may be necessary to comply with - the notice requirements in Section 3.4). - -2.4. Subsequent Licenses - - No Contributor makes additional grants as a result of Your choice to - distribute the Covered Software under a subsequent version of this - License (see Section 10.2) or under the terms of a Secondary License (if - permitted under the terms of Section 3.3). - -2.5. Representation - - Each Contributor represents that the Contributor believes its - Contributions are its original creation(s) or it has sufficient rights to - grant the rights to its Contributions conveyed by this License. - -2.6. Fair Use - - This License is not intended to limit any rights You have under - applicable copyright doctrines of fair use, fair dealing, or other - equivalents. - -2.7. Conditions - - Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in - Section 2.1. - - -3. Responsibilities - -3.1. Distribution of Source Form - - All distribution of Covered Software in Source Code Form, including any - Modifications that You create or to which You contribute, must be under - the terms of this License. You must inform recipients that the Source - Code Form of the Covered Software is governed by the terms of this - License, and how they can obtain a copy of this License. You may not - attempt to alter or restrict the recipients' rights in the Source Code - Form. - -3.2. Distribution of Executable Form - - If You distribute Covered Software in Executable Form then: - - a. such Covered Software must also be made available in Source Code Form, - as described in Section 3.1, and You must inform recipients of the - Executable Form how they can obtain a copy of such Source Code Form by - reasonable means in a timely manner, at a charge no more than the cost - of distribution to the recipient; and - - b. You may distribute such Executable Form under the terms of this - License, or sublicense it under different terms, provided that the - license for the Executable Form does not attempt to limit or alter the - recipients' rights in the Source Code Form under this License. - -3.3. Distribution of a Larger Work - - You may create and distribute a Larger Work under terms of Your choice, - provided that You also comply with the requirements of this License for - the Covered Software. If the Larger Work is a combination of Covered - Software with a work governed by one or more Secondary Licenses, and the - Covered Software is not Incompatible With Secondary Licenses, this - License permits You to additionally distribute such Covered Software - under the terms of such Secondary License(s), so that the recipient of - the Larger Work may, at their option, further distribute the Covered - Software under the terms of either this License or such Secondary - License(s). - -3.4. Notices - - You may not remove or alter the substance of any license notices - (including copyright notices, patent notices, disclaimers of warranty, or - limitations of liability) contained within the Source Code Form of the - Covered Software, except that You may alter any license notices to the - extent required to remedy known factual inaccuracies. - -3.5. Application of Additional Terms - - You may choose to offer, and to charge a fee for, warranty, support, - indemnity or liability obligations to one or more recipients of Covered - Software. However, You may do so only on Your own behalf, and not on - behalf of any Contributor. You must make it absolutely clear that any - such warranty, support, indemnity, or liability obligation is offered by - You alone, and You hereby agree to indemnify every Contributor for any - liability incurred by such Contributor as a result of warranty, support, - indemnity or liability terms You offer. You may include additional - disclaimers of warranty and limitations of liability specific to any - jurisdiction. - -4. Inability to Comply Due to Statute or Regulation - - If it is impossible for You to comply with any of the terms of this License - with respect to some or all of the Covered Software due to statute, - judicial order, or regulation then You must: (a) comply with the terms of - this License to the maximum extent possible; and (b) describe the - limitations and the code they affect. Such description must be placed in a - text file included with all distributions of the Covered Software under - this License. Except to the extent prohibited by statute or regulation, - such description must be sufficiently detailed for a recipient of ordinary - skill to be able to understand it. - -5. Termination - -5.1. The rights granted under this License will terminate automatically if You - fail to comply with any of its terms. However, if You become compliant, - then the rights granted under this License from a particular Contributor - are reinstated (a) provisionally, unless and until such Contributor - explicitly and finally terminates Your grants, and (b) on an ongoing - basis, if such Contributor fails to notify You of the non-compliance by - some reasonable means prior to 60 days after You have come back into - compliance. Moreover, Your grants from a particular Contributor are - reinstated on an ongoing basis if such Contributor notifies You of the - non-compliance by some reasonable means, this is the first time You have - received notice of non-compliance with this License from such - Contributor, and You become compliant prior to 30 days after Your receipt - of the notice. - -5.2. If You initiate litigation against any entity by asserting a patent - infringement claim (excluding declaratory judgment actions, - counter-claims, and cross-claims) alleging that a Contributor Version - directly or indirectly infringes any patent, then the rights granted to - You by any and all Contributors for the Covered Software under Section - 2.1 of this License shall terminate. - -5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user - license agreements (excluding distributors and resellers) which have been - validly granted by You or Your distributors under this License prior to - termination shall survive termination. - -6. Disclaimer of Warranty - - Covered Software is provided under this License on an "as is" basis, - without warranty of any kind, either expressed, implied, or statutory, - including, without limitation, warranties that the Covered Software is free - of defects, merchantable, fit for a particular purpose or non-infringing. - The entire risk as to the quality and performance of the Covered Software - is with You. Should any Covered Software prove defective in any respect, - You (not any Contributor) assume the cost of any necessary servicing, - repair, or correction. This disclaimer of warranty constitutes an essential - part of this License. No use of any Covered Software is authorized under - this License except under this disclaimer. - -7. Limitation of Liability - - Under no circumstances and under no legal theory, whether tort (including - negligence), contract, or otherwise, shall any Contributor, or anyone who - distributes Covered Software as permitted above, be liable to You for any - direct, indirect, special, incidental, or consequential damages of any - character including, without limitation, damages for lost profits, loss of - goodwill, work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses, even if such party shall have been - informed of the possibility of such damages. This limitation of liability - shall not apply to liability for death or personal injury resulting from - such party's negligence to the extent applicable law prohibits such - limitation. Some jurisdictions do not allow the exclusion or limitation of - incidental or consequential damages, so this exclusion and limitation may - not apply to You. - -8. Litigation - - Any litigation relating to this License may be brought only in the courts - of a jurisdiction where the defendant maintains its principal place of - business and such litigation shall be governed by laws of that - jurisdiction, without reference to its conflict-of-law provisions. Nothing - in this Section shall prevent a party's ability to bring cross-claims or - counter-claims. - -9. Miscellaneous - - This License represents the complete agreement concerning the subject - matter hereof. If any provision of this License is held to be - unenforceable, such provision shall be reformed only to the extent - necessary to make it enforceable. Any law or regulation which provides that - the language of a contract shall be construed against the drafter shall not - be used to construe this License against a Contributor. - - -10. Versions of the License - -10.1. New Versions - - Mozilla Foundation is the license steward. Except as provided in Section - 10.3, no one other than the license steward has the right to modify or - publish new versions of this License. Each version will be given a - distinguishing version number. - -10.2. Effect of New Versions - - You may distribute the Covered Software under the terms of the version - of the License under which You originally received the Covered Software, - or under the terms of any subsequent version published by the license - steward. - -10.3. Modified Versions - - If you create software not governed by this License, and you want to - create a new license for such software, you may create and use a - modified version of this License if you rename the license and remove - any references to the name of the license steward (except to note that - such modified license differs from this License). - -10.4. Distributing Source Code Form that is Incompatible With Secondary - Licenses If You choose to distribute Source Code Form that is - Incompatible With Secondary Licenses under the terms of this version of - the License, the notice described in Exhibit B of this License must be - attached. - -Exhibit A - Source Code Form License Notice - - This Source Code Form is subject to the - terms of the Mozilla Public License, v. - 2.0. If a copy of the MPL was not - distributed with this file, You can - obtain one at - http://mozilla.org/MPL/2.0/. - -If it is not possible or desirable to put the notice in a particular file, -then You may include the notice in a location (such as a LICENSE file in a -relevant directory) where a recipient would be likely to look for such a -notice. - -You may add additional accurate notices of copyright ownership. - -Exhibit B - "Incompatible With Secondary Licenses" Notice - - This Source Code Form is "Incompatible - With Secondary Licenses", as defined by - the Mozilla Public License, v. 2.0. - diff --git a/vendor/github.com/hashicorp/go-retryablehttp/Makefile b/vendor/github.com/hashicorp/go-retryablehttp/Makefile deleted file mode 100644 index 5255241..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -default: test - -test: - go vet ./... - go test -v -race ./... - -updatedeps: - go get -f -t -u ./... - go get -f -u ./... - -.PHONY: default test updatedeps diff --git a/vendor/github.com/hashicorp/go-retryablehttp/README.md b/vendor/github.com/hashicorp/go-retryablehttp/README.md deleted file mode 100644 index 145a62f..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/README.md +++ /dev/null @@ -1,62 +0,0 @@ -go-retryablehttp -================ - -[![Build Status](http://img.shields.io/travis/hashicorp/go-retryablehttp.svg?style=flat-square)][travis] -[![Go Documentation](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)][godocs] - -[travis]: http://travis-ci.org/hashicorp/go-retryablehttp -[godocs]: http://godoc.org/github.com/hashicorp/go-retryablehttp - -The `retryablehttp` package provides a familiar HTTP client interface with -automatic retries and exponential backoff. It is a thin wrapper over the -standard `net/http` client library and exposes nearly the same public API. This -makes `retryablehttp` very easy to drop into existing programs. - -`retryablehttp` performs automatic retries under certain conditions. Mainly, if -an error is returned by the client (connection errors, etc.), or if a 500-range -response code is received (except 501), then a retry is invoked after a wait -period. Otherwise, the response is returned and left to the caller to -interpret. - -The main difference from `net/http` is that requests which take a request body -(POST/PUT et. al) can have the body provided in a number of ways (some more or -less efficient) that allow "rewinding" the request body if the initial request -fails so that the full request can be attempted again. See the -[godoc](http://godoc.org/github.com/hashicorp/go-retryablehttp) for more -details. - -Version 0.6.0 and before are compatible with Go prior to 1.12. From 0.6.1 onward, Go 1.12+ is required. -From 0.6.7 onward, Go 1.13+ is required. - -Example Use -=========== - -Using this library should look almost identical to what you would do with -`net/http`. The most simple example of a GET request is shown below: - -```go -resp, err := retryablehttp.Get("/foo") -if err != nil { - panic(err) -} -``` - -The returned response object is an `*http.Response`, the same thing you would -usually get from `net/http`. Had the request failed one or more times, the above -call would block and retry with exponential backoff. - -## Getting a stdlib `*http.Client` with retries - -It's possible to convert a `*retryablehttp.Client` directly to a `*http.Client`. -This makes use of retryablehttp broadly applicable with minimal effort. Simply -configure a `*retryablehttp.Client` as you wish, and then call `StandardClient()`: - -```go -retryClient := retryablehttp.NewClient() -retryClient.RetryMax = 10 - -standardClient := retryClient.StandardClient() // *http.Client -``` - -For more usage and examples see the -[pkg.go.dev](https://pkg.go.dev/github.com/hashicorp/go-retryablehttp). diff --git a/vendor/github.com/hashicorp/go-retryablehttp/cert_error_go119.go b/vendor/github.com/hashicorp/go-retryablehttp/cert_error_go119.go deleted file mode 100644 index b2b27e8..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/cert_error_go119.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright (c) HashiCorp, Inc. -// SPDX-License-Identifier: MPL-2.0 - -//go:build !go1.20 -// +build !go1.20 - -package retryablehttp - -import "crypto/x509" - -func isCertError(err error) bool { - _, ok := err.(x509.UnknownAuthorityError) - return ok -} diff --git a/vendor/github.com/hashicorp/go-retryablehttp/cert_error_go120.go b/vendor/github.com/hashicorp/go-retryablehttp/cert_error_go120.go deleted file mode 100644 index a3cd315..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/cert_error_go120.go +++ /dev/null @@ -1,14 +0,0 @@ -// Copyright (c) HashiCorp, Inc. -// SPDX-License-Identifier: MPL-2.0 - -//go:build go1.20 -// +build go1.20 - -package retryablehttp - -import "crypto/tls" - -func isCertError(err error) bool { - _, ok := err.(*tls.CertificateVerificationError) - return ok -} diff --git a/vendor/github.com/hashicorp/go-retryablehttp/client.go b/vendor/github.com/hashicorp/go-retryablehttp/client.go deleted file mode 100644 index efee53c..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/client.go +++ /dev/null @@ -1,919 +0,0 @@ -// Copyright (c) HashiCorp, Inc. -// SPDX-License-Identifier: MPL-2.0 - -// Package retryablehttp provides a familiar HTTP client interface with -// automatic retries and exponential backoff. It is a thin wrapper over the -// standard net/http client library and exposes nearly the same public API. -// This makes retryablehttp very easy to drop into existing programs. -// -// retryablehttp performs automatic retries under certain conditions. Mainly, if -// an error is returned by the client (connection errors etc), or if a 500-range -// response is received, then a retry is invoked. Otherwise, the response is -// returned and left to the caller to interpret. -// -// Requests which take a request body should provide a non-nil function -// parameter. The best choice is to provide either a function satisfying -// ReaderFunc which provides multiple io.Readers in an efficient manner, a -// *bytes.Buffer (the underlying raw byte slice will be used) or a raw byte -// slice. As it is a reference type, and we will wrap it as needed by readers, -// we can efficiently re-use the request body without needing to copy it. If an -// io.Reader (such as a *bytes.Reader) is provided, the full body will be read -// prior to the first request, and will be efficiently re-used for any retries. -// ReadSeeker can be used, but some users have observed occasional data races -// between the net/http library and the Seek functionality of some -// implementations of ReadSeeker, so should be avoided if possible. -package retryablehttp - -import ( - "bytes" - "context" - "fmt" - "io" - "log" - "math" - "math/rand" - "net/http" - "net/url" - "os" - "regexp" - "strconv" - "strings" - "sync" - "time" - - cleanhttp "github.com/hashicorp/go-cleanhttp" -) - -var ( - // Default retry configuration - defaultRetryWaitMin = 1 * time.Second - defaultRetryWaitMax = 30 * time.Second - defaultRetryMax = 4 - - // defaultLogger is the logger provided with defaultClient - defaultLogger = log.New(os.Stderr, "", log.LstdFlags) - - // defaultClient is used for performing requests without explicitly making - // a new client. It is purposely private to avoid modifications. - defaultClient = NewClient() - - // We need to consume response bodies to maintain http connections, but - // limit the size we consume to respReadLimit. - respReadLimit = int64(4096) - - // timeNow sets the function that returns the current time. - // This defaults to time.Now. Changes to this should only be done in tests. - timeNow = time.Now - - // A regular expression to match the error returned by net/http when the - // configured number of redirects is exhausted. This error isn't typed - // specifically so we resort to matching on the error string. - redirectsErrorRe = regexp.MustCompile(`stopped after \d+ redirects\z`) - - // A regular expression to match the error returned by net/http when the - // scheme specified in the URL is invalid. This error isn't typed - // specifically so we resort to matching on the error string. - schemeErrorRe = regexp.MustCompile(`unsupported protocol scheme`) - - // A regular expression to match the error returned by net/http when a - // request header or value is invalid. This error isn't typed - // specifically so we resort to matching on the error string. - invalidHeaderErrorRe = regexp.MustCompile(`invalid header`) - - // A regular expression to match the error returned by net/http when the - // TLS certificate is not trusted. This error isn't typed - // specifically so we resort to matching on the error string. - notTrustedErrorRe = regexp.MustCompile(`certificate is not trusted`) -) - -// ReaderFunc is the type of function that can be given natively to NewRequest -type ReaderFunc func() (io.Reader, error) - -// ResponseHandlerFunc is a type of function that takes in a Response, and does something with it. -// The ResponseHandlerFunc is called when the HTTP client successfully receives a response and the -// CheckRetry function indicates that a retry of the base request is not necessary. -// If an error is returned from this function, the CheckRetry policy will be used to determine -// whether to retry the whole request (including this handler). -// -// Make sure to check status codes! Even if the request was completed it may have a non-2xx status code. -// -// The response body is not automatically closed. It must be closed either by the ResponseHandlerFunc or -// by the caller out-of-band. Failure to do so will result in a memory leak. -type ResponseHandlerFunc func(*http.Response) error - -// LenReader is an interface implemented by many in-memory io.Reader's. Used -// for automatically sending the right Content-Length header when possible. -type LenReader interface { - Len() int -} - -// Request wraps the metadata needed to create HTTP requests. -type Request struct { - // body is a seekable reader over the request body payload. This is - // used to rewind the request data in between retries. - body ReaderFunc - - responseHandler ResponseHandlerFunc - - // Embed an HTTP request directly. This makes a *Request act exactly - // like an *http.Request so that all meta methods are supported. - *http.Request -} - -// WithContext returns wrapped Request with a shallow copy of underlying *http.Request -// with its context changed to ctx. The provided ctx must be non-nil. -func (r *Request) WithContext(ctx context.Context) *Request { - return &Request{ - body: r.body, - responseHandler: r.responseHandler, - Request: r.Request.WithContext(ctx), - } -} - -// SetResponseHandler allows setting the response handler. -func (r *Request) SetResponseHandler(fn ResponseHandlerFunc) { - r.responseHandler = fn -} - -// BodyBytes allows accessing the request body. It is an analogue to -// http.Request's Body variable, but it returns a copy of the underlying data -// rather than consuming it. -// -// This function is not thread-safe; do not call it at the same time as another -// call, or at the same time this request is being used with Client.Do. -func (r *Request) BodyBytes() ([]byte, error) { - if r.body == nil { - return nil, nil - } - body, err := r.body() - if err != nil { - return nil, err - } - buf := new(bytes.Buffer) - _, err = buf.ReadFrom(body) - if err != nil { - return nil, err - } - return buf.Bytes(), nil -} - -// SetBody allows setting the request body. -// -// It is useful if a new body needs to be set without constructing a new Request. -func (r *Request) SetBody(rawBody interface{}) error { - bodyReader, contentLength, err := getBodyReaderAndContentLength(rawBody) - if err != nil { - return err - } - r.body = bodyReader - r.ContentLength = contentLength - if bodyReader != nil { - r.GetBody = func() (io.ReadCloser, error) { - body, err := bodyReader() - if err != nil { - return nil, err - } - if rc, ok := body.(io.ReadCloser); ok { - return rc, nil - } - return io.NopCloser(body), nil - } - } else { - r.GetBody = func() (io.ReadCloser, error) { return http.NoBody, nil } - } - return nil -} - -// WriteTo allows copying the request body into a writer. -// -// It writes data to w until there's no more data to write or -// when an error occurs. The return int64 value is the number of bytes -// written. Any error encountered during the write is also returned. -// The signature matches io.WriterTo interface. -func (r *Request) WriteTo(w io.Writer) (int64, error) { - body, err := r.body() - if err != nil { - return 0, err - } - if c, ok := body.(io.Closer); ok { - defer c.Close() - } - return io.Copy(w, body) -} - -func getBodyReaderAndContentLength(rawBody interface{}) (ReaderFunc, int64, error) { - var bodyReader ReaderFunc - var contentLength int64 - - switch body := rawBody.(type) { - // If they gave us a function already, great! Use it. - case ReaderFunc: - bodyReader = body - tmp, err := body() - if err != nil { - return nil, 0, err - } - if lr, ok := tmp.(LenReader); ok { - contentLength = int64(lr.Len()) - } - if c, ok := tmp.(io.Closer); ok { - c.Close() - } - - case func() (io.Reader, error): - bodyReader = body - tmp, err := body() - if err != nil { - return nil, 0, err - } - if lr, ok := tmp.(LenReader); ok { - contentLength = int64(lr.Len()) - } - if c, ok := tmp.(io.Closer); ok { - c.Close() - } - - // If a regular byte slice, we can read it over and over via new - // readers - case []byte: - buf := body - bodyReader = func() (io.Reader, error) { - return bytes.NewReader(buf), nil - } - contentLength = int64(len(buf)) - - // If a bytes.Buffer we can read the underlying byte slice over and - // over - case *bytes.Buffer: - buf := body - bodyReader = func() (io.Reader, error) { - return bytes.NewReader(buf.Bytes()), nil - } - contentLength = int64(buf.Len()) - - // We prioritize *bytes.Reader here because we don't really want to - // deal with it seeking so want it to match here instead of the - // io.ReadSeeker case. - case *bytes.Reader: - snapshot := *body - bodyReader = func() (io.Reader, error) { - r := snapshot - return &r, nil - } - contentLength = int64(body.Len()) - - // Compat case - case io.ReadSeeker: - raw := body - bodyReader = func() (io.Reader, error) { - _, err := raw.Seek(0, 0) - return io.NopCloser(raw), err - } - if lr, ok := raw.(LenReader); ok { - contentLength = int64(lr.Len()) - } - - // Read all in so we can reset - case io.Reader: - buf, err := io.ReadAll(body) - if err != nil { - return nil, 0, err - } - if len(buf) == 0 { - bodyReader = func() (io.Reader, error) { - return http.NoBody, nil - } - contentLength = 0 - } else { - bodyReader = func() (io.Reader, error) { - return bytes.NewReader(buf), nil - } - contentLength = int64(len(buf)) - } - - // No body provided, nothing to do - case nil: - - // Unrecognized type - default: - return nil, 0, fmt.Errorf("cannot handle type %T", rawBody) - } - return bodyReader, contentLength, nil -} - -// FromRequest wraps an http.Request in a retryablehttp.Request -func FromRequest(r *http.Request) (*Request, error) { - bodyReader, _, err := getBodyReaderAndContentLength(r.Body) - if err != nil { - return nil, err - } - // Could assert contentLength == r.ContentLength - return &Request{body: bodyReader, Request: r}, nil -} - -// NewRequest creates a new wrapped request. -func NewRequest(method, url string, rawBody interface{}) (*Request, error) { - return NewRequestWithContext(context.Background(), method, url, rawBody) -} - -// NewRequestWithContext creates a new wrapped request with the provided context. -// -// The context controls the entire lifetime of a request and its response: -// obtaining a connection, sending the request, and reading the response headers and body. -func NewRequestWithContext(ctx context.Context, method, url string, rawBody interface{}) (*Request, error) { - httpReq, err := http.NewRequestWithContext(ctx, method, url, nil) - if err != nil { - return nil, err - } - - req := &Request{ - Request: httpReq, - } - if err := req.SetBody(rawBody); err != nil { - return nil, err - } - - return req, nil -} - -// Logger interface allows to use other loggers than -// standard log.Logger. -type Logger interface { - Printf(string, ...interface{}) -} - -// LeveledLogger is an interface that can be implemented by any logger or a -// logger wrapper to provide leveled logging. The methods accept a message -// string and a variadic number of key-value pairs. For log.Printf style -// formatting where message string contains a format specifier, use Logger -// interface. -type LeveledLogger interface { - Error(msg string, keysAndValues ...interface{}) - Info(msg string, keysAndValues ...interface{}) - Debug(msg string, keysAndValues ...interface{}) - Warn(msg string, keysAndValues ...interface{}) -} - -// hookLogger adapts an LeveledLogger to Logger for use by the existing hook functions -// without changing the API. -type hookLogger struct { - LeveledLogger -} - -func (h hookLogger) Printf(s string, args ...interface{}) { - h.Info(fmt.Sprintf(s, args...)) -} - -// RequestLogHook allows a function to run before each retry. The HTTP -// request which will be made, and the retry number (0 for the initial -// request) are available to users. The internal logger is exposed to -// consumers. -type RequestLogHook func(Logger, *http.Request, int) - -// ResponseLogHook is like RequestLogHook, but allows running a function -// on each HTTP response. This function will be invoked at the end of -// every HTTP request executed, regardless of whether a subsequent retry -// needs to be performed or not. If the response body is read or closed -// from this method, this will affect the response returned from Do(). -type ResponseLogHook func(Logger, *http.Response) - -// CheckRetry specifies a policy for handling retries. It is called -// following each request with the response and error values returned by -// the http.Client. If CheckRetry returns false, the Client stops retrying -// and returns the response to the caller. If CheckRetry returns an error, -// that error value is returned in lieu of the error from the request. The -// Client will close any response body when retrying, but if the retry is -// aborted it is up to the CheckRetry callback to properly close any -// response body before returning. -type CheckRetry func(ctx context.Context, resp *http.Response, err error) (bool, error) - -// Backoff specifies a policy for how long to wait between retries. -// It is called after a failing request to determine the amount of time -// that should pass before trying again. -type Backoff func(min, max time.Duration, attemptNum int, resp *http.Response) time.Duration - -// ErrorHandler is called if retries are expired, containing the last status -// from the http library. If not specified, default behavior for the library is -// to close the body and return an error indicating how many tries were -// attempted. If overriding this, be sure to close the body if needed. -type ErrorHandler func(resp *http.Response, err error, numTries int) (*http.Response, error) - -// PrepareRetry is called before retry operation. It can be used for example to re-sign the request -type PrepareRetry func(req *http.Request) error - -// Client is used to make HTTP requests. It adds additional functionality -// like automatic retries to tolerate minor outages. -type Client struct { - HTTPClient *http.Client // Internal HTTP client. - Logger interface{} // Customer logger instance. Can be either Logger or LeveledLogger - - RetryWaitMin time.Duration // Minimum time to wait - RetryWaitMax time.Duration // Maximum time to wait - RetryMax int // Maximum number of retries - - // RequestLogHook allows a user-supplied function to be called - // before each retry. - RequestLogHook RequestLogHook - - // ResponseLogHook allows a user-supplied function to be called - // with the response from each HTTP request executed. - ResponseLogHook ResponseLogHook - - // CheckRetry specifies the policy for handling retries, and is called - // after each request. The default policy is DefaultRetryPolicy. - CheckRetry CheckRetry - - // Backoff specifies the policy for how long to wait between retries - Backoff Backoff - - // ErrorHandler specifies the custom error handler to use, if any - ErrorHandler ErrorHandler - - // PrepareRetry can prepare the request for retry operation, for example re-sign it - PrepareRetry PrepareRetry - - loggerInit sync.Once - clientInit sync.Once -} - -// NewClient creates a new Client with default settings. -func NewClient() *Client { - return &Client{ - HTTPClient: cleanhttp.DefaultPooledClient(), - Logger: defaultLogger, - RetryWaitMin: defaultRetryWaitMin, - RetryWaitMax: defaultRetryWaitMax, - RetryMax: defaultRetryMax, - CheckRetry: DefaultRetryPolicy, - Backoff: DefaultBackoff, - } -} - -func (c *Client) logger() interface{} { - c.loggerInit.Do(func() { - if c.Logger == nil { - return - } - - switch c.Logger.(type) { - case Logger, LeveledLogger: - // ok - default: - // This should happen in dev when they are setting Logger and work on code, not in prod. - panic(fmt.Sprintf("invalid logger type passed, must be Logger or LeveledLogger, was %T", c.Logger)) - } - }) - - return c.Logger -} - -// DefaultRetryPolicy provides a default callback for Client.CheckRetry, which -// will retry on connection errors and server errors. -func DefaultRetryPolicy(ctx context.Context, resp *http.Response, err error) (bool, error) { - // do not retry on context.Canceled or context.DeadlineExceeded - if ctx.Err() != nil { - return false, ctx.Err() - } - - // don't propagate other errors - shouldRetry, _ := baseRetryPolicy(resp, err) - return shouldRetry, nil -} - -// ErrorPropagatedRetryPolicy is the same as DefaultRetryPolicy, except it -// propagates errors back instead of returning nil. This allows you to inspect -// why it decided to retry or not. -func ErrorPropagatedRetryPolicy(ctx context.Context, resp *http.Response, err error) (bool, error) { - // do not retry on context.Canceled or context.DeadlineExceeded - if ctx.Err() != nil { - return false, ctx.Err() - } - - return baseRetryPolicy(resp, err) -} - -func baseRetryPolicy(resp *http.Response, err error) (bool, error) { - if err != nil { - if v, ok := err.(*url.Error); ok { - // Don't retry if the error was due to too many redirects. - if redirectsErrorRe.MatchString(v.Error()) { - return false, v - } - - // Don't retry if the error was due to an invalid protocol scheme. - if schemeErrorRe.MatchString(v.Error()) { - return false, v - } - - // Don't retry if the error was due to an invalid header. - if invalidHeaderErrorRe.MatchString(v.Error()) { - return false, v - } - - // Don't retry if the error was due to TLS cert verification failure. - if notTrustedErrorRe.MatchString(v.Error()) { - return false, v - } - if isCertError(v.Err) { - return false, v - } - } - - // The error is likely recoverable so retry. - return true, nil - } - - // 429 Too Many Requests is recoverable. Sometimes the server puts - // a Retry-After response header to indicate when the server is - // available to start processing request from client. - if resp.StatusCode == http.StatusTooManyRequests { - return true, nil - } - - // Check the response code. We retry on 500-range responses to allow - // the server time to recover, as 500's are typically not permanent - // errors and may relate to outages on the server side. This will catch - // invalid response codes as well, like 0 and 999. - if resp.StatusCode == 0 || (resp.StatusCode >= 500 && resp.StatusCode != http.StatusNotImplemented) { - return true, fmt.Errorf("unexpected HTTP status %s", resp.Status) - } - - return false, nil -} - -// DefaultBackoff provides a default callback for Client.Backoff which -// will perform exponential backoff based on the attempt number and limited -// by the provided minimum and maximum durations. -// -// It also tries to parse Retry-After response header when a http.StatusTooManyRequests -// (HTTP Code 429) is found in the resp parameter. Hence it will return the number of -// seconds the server states it may be ready to process more requests from this client. -func DefaultBackoff(min, max time.Duration, attemptNum int, resp *http.Response) time.Duration { - if resp != nil { - if resp.StatusCode == http.StatusTooManyRequests || resp.StatusCode == http.StatusServiceUnavailable { - if sleep, ok := parseRetryAfterHeader(resp.Header["Retry-After"]); ok { - return sleep - } - } - } - - mult := math.Pow(2, float64(attemptNum)) * float64(min) - sleep := time.Duration(mult) - if float64(sleep) != mult || sleep > max { - sleep = max - } - return sleep -} - -// parseRetryAfterHeader parses the Retry-After header and returns the -// delay duration according to the spec: https://httpwg.org/specs/rfc7231.html#header.retry-after -// The bool returned will be true if the header was successfully parsed. -// Otherwise, the header was either not present, or was not parseable according to the spec. -// -// Retry-After headers come in two flavors: Seconds or HTTP-Date -// -// Examples: -// * Retry-After: Fri, 31 Dec 1999 23:59:59 GMT -// * Retry-After: 120 -func parseRetryAfterHeader(headers []string) (time.Duration, bool) { - if len(headers) == 0 || headers[0] == "" { - return 0, false - } - header := headers[0] - // Retry-After: 120 - if sleep, err := strconv.ParseInt(header, 10, 64); err == nil { - if sleep < 0 { // a negative sleep doesn't make sense - return 0, false - } - return time.Second * time.Duration(sleep), true - } - - // Retry-After: Fri, 31 Dec 1999 23:59:59 GMT - retryTime, err := time.Parse(time.RFC1123, header) - if err != nil { - return 0, false - } - if until := retryTime.Sub(timeNow()); until > 0 { - return until, true - } - // date is in the past - return 0, true -} - -// LinearJitterBackoff provides a callback for Client.Backoff which will -// perform linear backoff based on the attempt number and with jitter to -// prevent a thundering herd. -// -// min and max here are *not* absolute values. The number to be multiplied by -// the attempt number will be chosen at random from between them, thus they are -// bounding the jitter. -// -// For instance: -// * To get strictly linear backoff of one second increasing each retry, set -// both to one second (1s, 2s, 3s, 4s, ...) -// * To get a small amount of jitter centered around one second increasing each -// retry, set to around one second, such as a min of 800ms and max of 1200ms -// (892ms, 2102ms, 2945ms, 4312ms, ...) -// * To get extreme jitter, set to a very wide spread, such as a min of 100ms -// and a max of 20s (15382ms, 292ms, 51321ms, 35234ms, ...) -func LinearJitterBackoff(min, max time.Duration, attemptNum int, resp *http.Response) time.Duration { - // attemptNum always starts at zero but we want to start at 1 for multiplication - attemptNum++ - - if max <= min { - // Unclear what to do here, or they are the same, so return min * - // attemptNum - return min * time.Duration(attemptNum) - } - - // Seed rand; doing this every time is fine - source := rand.New(rand.NewSource(int64(time.Now().Nanosecond()))) - - // Pick a random number that lies somewhere between the min and max and - // multiply by the attemptNum. attemptNum starts at zero so we always - // increment here. We first get a random percentage, then apply that to the - // difference between min and max, and add to min. - jitter := source.Float64() * float64(max-min) - jitterMin := int64(jitter) + int64(min) - return time.Duration(jitterMin * int64(attemptNum)) -} - -// PassthroughErrorHandler is an ErrorHandler that directly passes through the -// values from the net/http library for the final request. The body is not -// closed. -func PassthroughErrorHandler(resp *http.Response, err error, _ int) (*http.Response, error) { - return resp, err -} - -// Do wraps calling an HTTP method with retries. -func (c *Client) Do(req *Request) (*http.Response, error) { - c.clientInit.Do(func() { - if c.HTTPClient == nil { - c.HTTPClient = cleanhttp.DefaultPooledClient() - } - }) - - logger := c.logger() - - if logger != nil { - switch v := logger.(type) { - case LeveledLogger: - v.Debug("performing request", "method", req.Method, "url", redactURL(req.URL)) - case Logger: - v.Printf("[DEBUG] %s %s", req.Method, redactURL(req.URL)) - } - } - - var resp *http.Response - var attempt int - var shouldRetry bool - var doErr, respErr, checkErr, prepareErr error - - for i := 0; ; i++ { - doErr, respErr, prepareErr = nil, nil, nil - attempt++ - - // Always rewind the request body when non-nil. - if req.body != nil { - body, err := req.body() - if err != nil { - c.HTTPClient.CloseIdleConnections() - return resp, err - } - if c, ok := body.(io.ReadCloser); ok { - req.Body = c - } else { - req.Body = io.NopCloser(body) - } - } - - if c.RequestLogHook != nil { - switch v := logger.(type) { - case LeveledLogger: - c.RequestLogHook(hookLogger{v}, req.Request, i) - case Logger: - c.RequestLogHook(v, req.Request, i) - default: - c.RequestLogHook(nil, req.Request, i) - } - } - - // Attempt the request - resp, doErr = c.HTTPClient.Do(req.Request) - - // Check if we should continue with retries. - shouldRetry, checkErr = c.CheckRetry(req.Context(), resp, doErr) - if !shouldRetry && doErr == nil && req.responseHandler != nil { - respErr = req.responseHandler(resp) - shouldRetry, checkErr = c.CheckRetry(req.Context(), resp, respErr) - } - - err := doErr - if respErr != nil { - err = respErr - } - if err != nil { - switch v := logger.(type) { - case LeveledLogger: - v.Error("request failed", "error", err, "method", req.Method, "url", redactURL(req.URL)) - case Logger: - v.Printf("[ERR] %s %s request failed: %v", req.Method, redactURL(req.URL), err) - } - } else { - // Call this here to maintain the behavior of logging all requests, - // even if CheckRetry signals to stop. - if c.ResponseLogHook != nil { - // Call the response logger function if provided. - switch v := logger.(type) { - case LeveledLogger: - c.ResponseLogHook(hookLogger{v}, resp) - case Logger: - c.ResponseLogHook(v, resp) - default: - c.ResponseLogHook(nil, resp) - } - } - } - - if !shouldRetry { - break - } - - // We do this before drainBody because there's no need for the I/O if - // we're breaking out - remain := c.RetryMax - i - if remain <= 0 { - break - } - - // We're going to retry, consume any response to reuse the connection. - if doErr == nil { - c.drainBody(resp.Body) - } - - wait := c.Backoff(c.RetryWaitMin, c.RetryWaitMax, i, resp) - if logger != nil { - desc := fmt.Sprintf("%s %s", req.Method, redactURL(req.URL)) - if resp != nil { - desc = fmt.Sprintf("%s (status: %d)", desc, resp.StatusCode) - } - switch v := logger.(type) { - case LeveledLogger: - v.Debug("retrying request", "request", desc, "timeout", wait, "remaining", remain) - case Logger: - v.Printf("[DEBUG] %s: retrying in %s (%d left)", desc, wait, remain) - } - } - timer := time.NewTimer(wait) - select { - case <-req.Context().Done(): - timer.Stop() - c.HTTPClient.CloseIdleConnections() - return nil, req.Context().Err() - case <-timer.C: - } - - // Make shallow copy of http Request so that we can modify its body - // without racing against the closeBody call in persistConn.writeLoop. - httpreq := *req.Request - req.Request = &httpreq - - if c.PrepareRetry != nil { - if err := c.PrepareRetry(req.Request); err != nil { - prepareErr = err - break - } - } - } - - // this is the closest we have to success criteria - if doErr == nil && respErr == nil && checkErr == nil && prepareErr == nil && !shouldRetry { - return resp, nil - } - - defer c.HTTPClient.CloseIdleConnections() - - var err error - if prepareErr != nil { - err = prepareErr - } else if checkErr != nil { - err = checkErr - } else if respErr != nil { - err = respErr - } else { - err = doErr - } - - if c.ErrorHandler != nil { - return c.ErrorHandler(resp, err, attempt) - } - - // By default, we close the response body and return an error without - // returning the response - if resp != nil { - c.drainBody(resp.Body) - } - - // this means CheckRetry thought the request was a failure, but didn't - // communicate why - if err == nil { - return nil, fmt.Errorf("%s %s giving up after %d attempt(s)", - req.Method, redactURL(req.URL), attempt) - } - - return nil, fmt.Errorf("%s %s giving up after %d attempt(s): %w", - req.Method, redactURL(req.URL), attempt, err) -} - -// Try to read the response body so we can reuse this connection. -func (c *Client) drainBody(body io.ReadCloser) { - defer body.Close() - _, err := io.Copy(io.Discard, io.LimitReader(body, respReadLimit)) - if err != nil { - if c.logger() != nil { - switch v := c.logger().(type) { - case LeveledLogger: - v.Error("error reading response body", "error", err) - case Logger: - v.Printf("[ERR] error reading response body: %v", err) - } - } - } -} - -// Get is a shortcut for doing a GET request without making a new client. -func Get(url string) (*http.Response, error) { - return defaultClient.Get(url) -} - -// Get is a convenience helper for doing simple GET requests. -func (c *Client) Get(url string) (*http.Response, error) { - req, err := NewRequest("GET", url, nil) - if err != nil { - return nil, err - } - return c.Do(req) -} - -// Head is a shortcut for doing a HEAD request without making a new client. -func Head(url string) (*http.Response, error) { - return defaultClient.Head(url) -} - -// Head is a convenience method for doing simple HEAD requests. -func (c *Client) Head(url string) (*http.Response, error) { - req, err := NewRequest("HEAD", url, nil) - if err != nil { - return nil, err - } - return c.Do(req) -} - -// Post is a shortcut for doing a POST request without making a new client. -func Post(url, bodyType string, body interface{}) (*http.Response, error) { - return defaultClient.Post(url, bodyType, body) -} - -// Post is a convenience method for doing simple POST requests. -func (c *Client) Post(url, bodyType string, body interface{}) (*http.Response, error) { - req, err := NewRequest("POST", url, body) - if err != nil { - return nil, err - } - req.Header.Set("Content-Type", bodyType) - return c.Do(req) -} - -// PostForm is a shortcut to perform a POST with form data without creating -// a new client. -func PostForm(url string, data url.Values) (*http.Response, error) { - return defaultClient.PostForm(url, data) -} - -// PostForm is a convenience method for doing simple POST operations using -// pre-filled url.Values form data. -func (c *Client) PostForm(url string, data url.Values) (*http.Response, error) { - return c.Post(url, "application/x-www-form-urlencoded", strings.NewReader(data.Encode())) -} - -// StandardClient returns a stdlib *http.Client with a custom Transport, which -// shims in a *retryablehttp.Client for added retries. -func (c *Client) StandardClient() *http.Client { - return &http.Client{ - Transport: &RoundTripper{Client: c}, - } -} - -// Taken from url.URL#Redacted() which was introduced in go 1.15. -// We can switch to using it directly if we'll bump the minimum required go version. -func redactURL(u *url.URL) string { - if u == nil { - return "" - } - - ru := *u - if _, has := ru.User.Password(); has { - ru.User = url.UserPassword(ru.User.Username(), "xxxxx") - } - return ru.String() -} diff --git a/vendor/github.com/hashicorp/go-retryablehttp/roundtripper.go b/vendor/github.com/hashicorp/go-retryablehttp/roundtripper.go deleted file mode 100644 index 8c407ad..0000000 --- a/vendor/github.com/hashicorp/go-retryablehttp/roundtripper.go +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright (c) HashiCorp, Inc. -// SPDX-License-Identifier: MPL-2.0 - -package retryablehttp - -import ( - "errors" - "net/http" - "net/url" - "sync" -) - -// RoundTripper implements the http.RoundTripper interface, using a retrying -// HTTP client to execute requests. -// -// It is important to note that retryablehttp doesn't always act exactly as a -// RoundTripper should. This is highly dependent on the retryable client's -// configuration. -type RoundTripper struct { - // The client to use during requests. If nil, the default retryablehttp - // client and settings will be used. - Client *Client - - // once ensures that the logic to initialize the default client runs at - // most once, in a single thread. - once sync.Once -} - -// init initializes the underlying retryable client. -func (rt *RoundTripper) init() { - if rt.Client == nil { - rt.Client = NewClient() - } -} - -// RoundTrip satisfies the http.RoundTripper interface. -func (rt *RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) { - rt.once.Do(rt.init) - - // Convert the request to be retryable. - retryableReq, err := FromRequest(req) - if err != nil { - return nil, err - } - - // Execute the request. - resp, err := rt.Client.Do(retryableReq) - // If we got an error returned by standard library's `Do` method, unwrap it - // otherwise we will wind up erroneously re-nesting the error. - if _, ok := err.(*url.Error); ok { - return resp, errors.Unwrap(err) - } - - return resp, err -} diff --git a/vendor/modules.txt b/vendor/modules.txt index 0947ab6..86cc449 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -1,9 +1,3 @@ -# github.com/hashicorp/go-cleanhttp v0.5.2 -## explicit; go 1.13 -github.com/hashicorp/go-cleanhttp -# github.com/hashicorp/go-retryablehttp v0.7.7 -## explicit; go 1.19 -github.com/hashicorp/go-retryablehttp # github.com/santhosh-tekuri/jsonschema/v5 v5.3.1 ## explicit; go 1.19 github.com/santhosh-tekuri/jsonschema/v5