forked from openkruise/rollouts
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Signed-off-by: Kuromesi <[email protected]>
- Loading branch information
Showing
5 changed files
with
478 additions
and
41 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,225 @@ | ||
package main | ||
|
||
import ( | ||
"fmt" | ||
"io" | ||
"os" | ||
"path/filepath" | ||
"strings" | ||
|
||
"github.com/openkruise/rollouts/api/v1alpha1" | ||
"github.com/openkruise/rollouts/pkg/trafficrouting/network/custom" | ||
"github.com/openkruise/rollouts/pkg/util/luamanager" | ||
lua "github.com/yuin/gopher-lua" | ||
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
"k8s.io/apimachinery/pkg/runtime" | ||
"sigs.k8s.io/yaml" | ||
|
||
utilpointer "k8s.io/utils/pointer" | ||
) | ||
|
||
type TestCase struct { | ||
Rollout *v1alpha1.Rollout `json:"rollout,omitempty"` | ||
TrafficRouting *v1alpha1.TrafficRouting `json:"trafficRouting,omitempty"` | ||
Original *unstructured.Unstructured `json:"original,omitempty"` | ||
Expected []*unstructured.Unstructured `json:"expected,omitempty"` | ||
} | ||
|
||
// convert testdata to lua object for debugging | ||
func main() { | ||
err := PathWalk() | ||
if err != nil { | ||
fmt.Println(err) | ||
} | ||
} | ||
|
||
func PathWalk() error { | ||
err := filepath.Walk("./", func(path string, f os.FileInfo, err error) error { | ||
if !strings.Contains(path, "trafficRouting.lua") { | ||
return nil | ||
} | ||
if err != nil { | ||
return fmt.Errorf("failed to walk path: %s", err.Error()) | ||
} | ||
dir := filepath.Dir(path) | ||
err = filepath.Walk(filepath.Join(dir, "testdata"), func(path string, info os.FileInfo, err error) error { | ||
if !info.IsDir() && filepath.Ext(path) == ".yaml" || filepath.Ext(path) == ".yml" { | ||
fmt.Printf("--- walking path: %s ---\n", path) | ||
err = ObjectToTable(path) | ||
if err != nil { | ||
return fmt.Errorf("failed to convert object to table: %s", err) | ||
} | ||
} | ||
return nil | ||
}) | ||
if err != nil { | ||
return fmt.Errorf("failed to walk path: %s", err.Error()) | ||
} | ||
return nil | ||
}) | ||
if err != nil { | ||
return fmt.Errorf("failed to walk path: %s", err) | ||
} | ||
return nil | ||
} | ||
|
||
// convert a testcase object to lua table for debug | ||
func ObjectToTable(path string) error { | ||
dir, file := filepath.Split(path) | ||
testCase, err := getLuaTestCase(path) | ||
if err != nil { | ||
return fmt.Errorf("failed to get lua testcase: %s", err) | ||
} | ||
uList := make(map[string]interface{}) | ||
rollout := testCase.Rollout | ||
trafficRouting := testCase.TrafficRouting | ||
if rollout != nil { | ||
steps := rollout.Spec.Strategy.Canary.Steps | ||
for i, step := range steps { | ||
weight := step.TrafficRoutingStrategy.Weight | ||
if step.TrafficRoutingStrategy.Weight == nil { | ||
weight = utilpointer.Int32(-1) | ||
} | ||
var canaryService string | ||
stableService := rollout.Spec.Strategy.Canary.TrafficRoutings[0].Service | ||
// if rollout.Spec.Strategy.Canary.TrafficRoutings[0].CreateCanaryService { | ||
canaryService = fmt.Sprintf("%s-canary", stableService) | ||
// } else { | ||
// canaryService = stableService | ||
// } | ||
data := &custom.LuaData{ | ||
Data: custom.Data{ | ||
Labels: testCase.Original.GetLabels(), | ||
Annotations: testCase.Original.GetAnnotations(), | ||
Spec: testCase.Original.Object["spec"], | ||
}, | ||
Matches: step.TrafficRoutingStrategy.Matches, | ||
CanaryWeight: *weight, | ||
StableWeight: 100 - *weight, | ||
CanaryService: canaryService, | ||
StableService: stableService, | ||
} | ||
uList[fmt.Sprintf("step_%d", i)] = data | ||
} | ||
} else if trafficRouting != nil { | ||
weight := trafficRouting.Spec.Strategy.Weight | ||
if weight == nil { | ||
weight = utilpointer.Int32(-1) | ||
} | ||
var canaryService string | ||
stableService := trafficRouting.Spec.ObjectRef[0].Service | ||
canaryService = stableService | ||
data := &custom.LuaData{ | ||
Data: custom.Data{ | ||
Labels: testCase.Original.GetLabels(), | ||
Annotations: testCase.Original.GetAnnotations(), | ||
Spec: testCase.Original.Object["spec"], | ||
}, | ||
Matches: trafficRouting.Spec.Strategy.Matches, | ||
CanaryWeight: *weight, | ||
StableWeight: 100 - *weight, | ||
CanaryService: canaryService, | ||
StableService: stableService, | ||
} | ||
uList["steps_0"] = data | ||
} else { | ||
return fmt.Errorf("neither rollout nor trafficRouting defined in test case: %s", path) | ||
} | ||
|
||
objStr, err := executeLua(uList) | ||
if err != nil { | ||
return fmt.Errorf("failed to execute lua: %s", err.Error()) | ||
} | ||
filePath := fmt.Sprintf("%s%s_obj.lua", dir, strings.Split(file, ".")[0]) | ||
fileStream, err := os.OpenFile(filePath, os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0666) | ||
if err != nil { | ||
return fmt.Errorf("failed to open file: %s", err) | ||
} | ||
defer fileStream.Close() | ||
_, err = io.WriteString(fileStream, objStr) | ||
if err != nil { | ||
return fmt.Errorf("failed to WriteString %s", err) | ||
} | ||
return nil | ||
} | ||
|
||
func getLuaTestCase(path string) (*TestCase, error) { | ||
yamlFile, err := os.ReadFile(path) | ||
if err != nil { | ||
return nil, err | ||
} | ||
luaTestCase := &TestCase{} | ||
err = yaml.Unmarshal(yamlFile, luaTestCase) | ||
if err != nil { | ||
return nil, err | ||
} | ||
return luaTestCase, nil | ||
} | ||
|
||
func executeLua(steps map[string]interface{}) (string, error) { | ||
luaManager := &luamanager.LuaManager{} | ||
unObj, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&steps) | ||
if err != nil { | ||
return "", fmt.Errorf("failed to convert to unstructured: %s", err) | ||
} | ||
u := &unstructured.Unstructured{Object: unObj} | ||
script := ` | ||
function serialize(obj, isKey) | ||
local lua = "" | ||
local t = type(obj) | ||
if t == "number" then | ||
lua = lua .. obj | ||
elseif t == "boolean" then | ||
lua = lua .. tostring(obj) | ||
elseif t == "string" then | ||
if isKey then | ||
lua = lua .. string.format("%s", obj) | ||
else | ||
lua = lua .. string.format("%q", obj) | ||
end | ||
elseif t == "table" then | ||
lua = lua .. "{" | ||
for k, v in pairs(obj) do | ||
if type(k) == "string" then | ||
lua = lua .. serialize(k, true) .. "=" .. serialize(v, false) .. "," | ||
else | ||
lua = lua .. serialize(v, false) .. "," | ||
end | ||
end | ||
local metatable = getmetatable(obj) | ||
if metatable ~= nil and type(metatable.__index) == "table" then | ||
for k, v in pairs(metatable.__index) do | ||
if type(k) == "string" then | ||
lua = lua .. serialize(k, true) .. "=" .. serialize(v, false) .. "," | ||
else | ||
lua = lua .. serialize(v, false) .. "," | ||
end | ||
end | ||
end | ||
lua = lua .. "}" | ||
elseif t == "nil" then | ||
return nil | ||
else | ||
error("can not serialize a " .. t .. " type.") | ||
end | ||
return lua | ||
end | ||
function table2string(tablevalue) | ||
local stringtable = "steps=" .. serialize(tablevalue) | ||
print(stringtable) | ||
return stringtable | ||
end | ||
return table2string(obj) | ||
` | ||
l, err := luaManager.RunLuaScript(u, script) | ||
if err != nil { | ||
return "", fmt.Errorf("failed to run lua script: %s", err) | ||
} | ||
returnValue := l.Get(-1) | ||
if returnValue.Type() == lua.LTString { | ||
return returnValue.String(), nil | ||
} else { | ||
return "", fmt.Errorf("unexpected lua output type") | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.