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add support for stackscript based bootstrapping (#211)
* add support for stackscript based bootstrapping
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| #!/bin/sh | ||
| # <UDF name="instancedata" label="instance-data contents(base64 encoded" /> | ||
| # <UDF name="userdata" label="user-data file contents (base64 encoded)" /> | ||
|
|
||
| cat > /etc/cloud/cloud.cfg.d/100_none.cfg <<EOF | ||
| datasource_list: [ "None"] | ||
| datasource: | ||
| None: | ||
| metadata: | ||
| id: $LINODE_ID | ||
| $(echo "${INSTANCEDATA}" | base64 -d | sed "s/^/ /") | ||
| userdata_raw: | | ||
| $(echo "${USERDATA}" | base64 -d | sed "s/^/ /") | ||
| EOF | ||
|
|
||
| cloud-init clean | ||
| cloud-init -f /etc/cloud/cloud.cfg.d/100_none.cfg init --local | ||
| cloud-init -f /etc/cloud/cloud.cfg.d/100_none.cfg init | ||
| cloud-init -f /etc/cloud/cloud.cfg.d/100_none.cfg modules --mode=config | ||
| cloud-init -f /etc/cloud/cloud.cfg.d/100_none.cfg modules --mode=final |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package services | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
|
|
||
| "github.com/linode/linodego" | ||
|
|
||
| "github.com/linode/cluster-api-provider-linode/cloud/scope" | ||
| "github.com/linode/cluster-api-provider-linode/util" | ||
| "github.com/linode/cluster-api-provider-linode/version" | ||
|
|
||
| _ "embed" | ||
| ) | ||
|
|
||
| //go:embed stackscript.sh | ||
| var stackscriptTemplate string | ||
|
|
||
| func EnsureStackscript(ctx context.Context, machineScope *scope.MachineScope) (int, error) { | ||
| stackscriptName := fmt.Sprintf("CAPL-%s", version.GetVersion()) | ||
| listFilter := util.Filter{ | ||
| ID: nil, | ||
| Label: stackscriptName, | ||
| Tags: []string{}, | ||
| } | ||
| filter, err := listFilter.String() | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
| stackscripts, err := machineScope.LinodeClient.ListStackscripts(ctx, &linodego.ListOptions{Filter: filter}) | ||
| if util.IgnoreLinodeAPIError(err, http.StatusNotFound) != nil { | ||
| return 0, fmt.Errorf("failed to get stackscript with label %s: %w", stackscriptName, err) | ||
| } | ||
| if stackscripts != nil { | ||
| return stackscripts[0].ID, nil | ||
| } | ||
| stackscriptCreateOptions := linodego.StackscriptCreateOptions{ | ||
| Label: fmt.Sprintf("CAPL-%s", version.GetVersion()), | ||
| Description: fmt.Sprintf("Stackscript for creating CAPL clusters with CAPL controller version %s", version.GetVersion()), | ||
| Script: stackscriptTemplate, | ||
| Images: []string{"any/all"}, | ||
| } | ||
| stackscript, err := machineScope.LinodeClient.CreateStackscript(ctx, stackscriptCreateOptions) | ||
| if err != nil { | ||
| return 0, fmt.Errorf("failed to create StackScript: %w", err) | ||
| } | ||
|
|
||
| return stackscript.ID, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| package services | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "github.com/linode/linodego" | ||
| "github.com/stretchr/testify/assert" | ||
| "go.uber.org/mock/gomock" | ||
|
|
||
| "github.com/linode/cluster-api-provider-linode/cloud/scope" | ||
| "github.com/linode/cluster-api-provider-linode/mock" | ||
| ) | ||
|
|
||
| func TestEnsureStackscripts(t *testing.T) { | ||
| t.Parallel() | ||
|
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| tests := []struct { | ||
| name string | ||
| machineScope *scope.MachineScope | ||
| want int | ||
| expectedError error | ||
| expects func(client *mock.MockLinodeMachineClient) | ||
| }{ | ||
| { | ||
| name: "Success - Successfully get existing StackScript", | ||
| machineScope: &scope.MachineScope{}, | ||
| want: 1234, | ||
| expects: func(mockClient *mock.MockLinodeMachineClient) { | ||
| mockClient.EXPECT().ListStackscripts(gomock.Any(), &linodego.ListOptions{Filter: "{\"label\":\"CAPL-dev\"}"}).Return([]linodego.Stackscript{{ | ||
| Label: "CAPI Test 1", | ||
| ID: 1234, | ||
| }}, nil) | ||
| }, | ||
| }, | ||
| { | ||
| name: "Error - failed get existing StackScript", | ||
| machineScope: &scope.MachineScope{}, | ||
| expects: func(mockClient *mock.MockLinodeMachineClient) { | ||
| mockClient.EXPECT().ListStackscripts(gomock.Any(), gomock.Any()).Return(nil, fmt.Errorf("failed to get StackScript")) | ||
| }, | ||
| expectedError: fmt.Errorf("failed to get StackScript"), | ||
| }, | ||
| { | ||
| name: "Success - Successfully created StackScript", | ||
| machineScope: &scope.MachineScope{}, | ||
| want: 56345, | ||
| expects: func(mockClient *mock.MockLinodeMachineClient) { | ||
| mockClient.EXPECT().ListStackscripts(gomock.Any(), gomock.Any()).Return(nil, nil) | ||
| mockClient.EXPECT().CreateStackscript(gomock.Any(), linodego.StackscriptCreateOptions{ | ||
| Label: "CAPL-dev", | ||
| Description: "Stackscript for creating CAPL clusters with CAPL controller version dev", | ||
| Script: `#!/bin/sh | ||
| # <UDF name="instancedata" label="instance-data contents(base64 encoded" /> | ||
| # <UDF name="userdata" label="user-data file contents (base64 encoded)" /> | ||
| cat > /etc/cloud/cloud.cfg.d/100_none.cfg <<EOF | ||
| datasource_list: [ "None"] | ||
| datasource: | ||
| None: | ||
| metadata: | ||
| id: $LINODE_ID | ||
| $(echo "${INSTANCEDATA}" | base64 -d | sed "s/^/ /") | ||
| userdata_raw: | | ||
| $(echo "${USERDATA}" | base64 -d | sed "s/^/ /") | ||
| EOF | ||
| cloud-init clean | ||
| cloud-init -f /etc/cloud/cloud.cfg.d/100_none.cfg init --local | ||
| cloud-init -f /etc/cloud/cloud.cfg.d/100_none.cfg init | ||
| cloud-init -f /etc/cloud/cloud.cfg.d/100_none.cfg modules --mode=config | ||
| cloud-init -f /etc/cloud/cloud.cfg.d/100_none.cfg modules --mode=final | ||
| `, | ||
| Images: []string{"any/all"}, | ||
| }).Return(&linodego.Stackscript{ | ||
| Label: "CAPI Test 1", | ||
| ID: 56345, | ||
| }, nil) | ||
| }, | ||
| }, | ||
| { | ||
| name: "Error - failed create StackScript", | ||
| machineScope: &scope.MachineScope{}, | ||
| expects: func(mockClient *mock.MockLinodeMachineClient) { | ||
| mockClient.EXPECT().ListStackscripts(gomock.Any(), gomock.Any()).Return(nil, nil) | ||
| mockClient.EXPECT().CreateStackscript(gomock.Any(), gomock.Any()).Return(nil, fmt.Errorf("failed to create StackScript")) | ||
| }, | ||
| expectedError: fmt.Errorf("failed to create StackScript"), | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| testcase := tt | ||
| t.Run(testcase.name, func(t *testing.T) { | ||
| t.Parallel() | ||
|
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| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
|
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| mockClient := mock.NewMockLinodeMachineClient(ctrl) | ||
|
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| testcase.machineScope.LinodeClient = mockClient | ||
|
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| testcase.expects(mockClient) | ||
|
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| got, err := EnsureStackscript(context.Background(), testcase.machineScope) | ||
| if testcase.expectedError != nil { | ||
| assert.ErrorContains(t, err, testcase.expectedError.Error()) | ||
| } else { | ||
| assert.Equal(t, testcase.want, got) | ||
| } | ||
| }) | ||
| } | ||
| } |
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