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utils.go
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utils.go
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package utils
import (
"encoding/json"
"fmt"
"strconv"
"strings"
"time"
"github.com/pkg/errors"
"github.com/rancher/rancher/pkg/pipeline/remote/model"
"github.com/rancher/rancher/pkg/ref"
v3 "github.com/rancher/types/apis/project.cattle.io/v3"
"github.com/sirupsen/logrus"
"golang.org/x/crypto/bcrypt"
"gopkg.in/yaml.v2"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func initExecution(p *v3.Pipeline, config *v3.PipelineConfig) *v3.PipelineExecution {
//add Clone stage/step at the start
toRunConfig := configWithCloneStage(config)
execution := &v3.PipelineExecution{
ObjectMeta: metav1.ObjectMeta{
Name: GetNextExecutionName(p),
Namespace: p.Namespace,
Labels: map[string]string{PipelineFinishLabel: ""},
},
Spec: v3.PipelineExecutionSpec{
ProjectName: p.Spec.ProjectName,
PipelineName: p.Namespace + ":" + p.Name,
RepositoryURL: p.Spec.RepositoryURL,
Run: p.Status.NextRun,
PipelineConfig: *toRunConfig,
},
}
execution.Status.ExecutionState = StateWaiting
execution.Status.Started = time.Now().Format(time.RFC3339)
execution.Status.Stages = make([]v3.StageStatus, len(toRunConfig.Stages))
for i := 0; i < len(execution.Status.Stages); i++ {
stage := &execution.Status.Stages[i]
stage.State = StateWaiting
stepsize := len(toRunConfig.Stages[i].Steps)
stage.Steps = make([]v3.StepStatus, stepsize)
for j := 0; j < stepsize; j++ {
step := &stage.Steps[j]
step.State = StateWaiting
}
}
return execution
}
func configWithCloneStage(config *v3.PipelineConfig) *v3.PipelineConfig {
result := config.DeepCopy()
if len(config.Stages) > 0 && len(config.Stages[0].Steps) > 0 &&
config.Stages[0].Steps[0].SourceCodeConfig != nil {
return result
}
cloneStage := v3.Stage{
Name: "Clone",
Steps: []v3.Step{{SourceCodeConfig: &v3.SourceCodeConfig{}}},
}
result.Stages = append([]v3.Stage{cloneStage}, result.Stages...)
return result
}
func GetNextExecutionName(p *v3.Pipeline) string {
if p == nil {
return ""
}
return fmt.Sprintf("%s-%d", p.Name, p.Status.NextRun)
}
func IsStageSuccess(stage v3.StageStatus) bool {
if stage.State == StateSuccess {
return true
} else if stage.State == StateFailed || stage.State == StateDenied {
return false
}
successSteps := 0
for _, step := range stage.Steps {
if step.State == StateSuccess || step.State == StateSkipped {
successSteps++
}
}
return successSteps == len(stage.Steps)
}
func IsFinishState(state string) bool {
if state == StateBuilding ||
state == StateWaiting ||
state == StateQueueing ||
state == StatePending {
return false
}
return true
}
func GenerateExecution(executions v3.PipelineExecutionInterface, pipeline *v3.Pipeline, pipelineConfig *v3.PipelineConfig, info *model.BuildInfo) (*v3.PipelineExecution, error) {
//Generate a new pipeline execution
execution := initExecution(pipeline, pipelineConfig)
execution.Spec.TriggeredBy = info.TriggerType
execution.Spec.TriggerUserName = info.TriggerUserName
execution.Spec.Branch = info.Branch
execution.Spec.Author = info.Author
execution.Spec.AvatarURL = info.AvatarURL
execution.Spec.Email = info.Email
execution.Spec.Message = info.Message
execution.Spec.HTMLLink = info.HTMLLink
execution.Spec.Title = info.Title
execution.Spec.Ref = info.Ref
execution.Spec.Commit = info.Commit
execution.Spec.Event = info.Event
if info.RepositoryURL != "" {
execution.Spec.RepositoryURL = info.RepositoryURL
}
if !Match(execution.Spec.PipelineConfig.Branch, info.Branch) {
logrus.Debug("conditions do not match")
return nil, nil
}
execution, err := executions.Create(execution)
if err != nil {
return nil, err
}
return execution, nil
}
func SplitImageTag(image string) (string, string, string) {
registry, repo, tag := "", "", ""
i := strings.Index(image, "/")
if i == -1 || (!strings.ContainsAny(image[:i], ".:") && image[:i] != "localhost") {
registry = DefaultRegistry
} else {
registry = image[:i]
image = image[i+1:]
}
i = strings.Index(image, ":")
if i == -1 {
repo = image
tag = DefaultTag
} else {
repo = image[:i]
tag = image[i+1:]
}
return registry, repo, tag
}
func ValidPipelineConfig(config v3.PipelineConfig) error {
if len(config.Stages) < 1 ||
len(config.Stages[0].Steps) < 1 ||
config.Stages[0].Steps[0].SourceCodeConfig == nil {
return fmt.Errorf("invalid definition for pipeline: expect souce code step at the start")
}
return nil
}
func GetPipelineCommonName(projectName string) string {
_, p := ref.Parse(projectName)
return p + PipelineNamespaceSuffix
}
func GetEnvVarMap(execution *v3.PipelineExecution) map[string]string {
m := map[string]string{}
repoURL := execution.Spec.RepositoryURL
repoName := ""
if strings.Contains(repoURL, "/") {
trimmedURL := strings.TrimRight(repoURL, "/")
idx := strings.LastIndex(trimmedURL, "/")
repoName = strings.TrimSuffix(trimmedURL[idx+1:], ".git")
}
commit := execution.Spec.Commit
if commit != "" && len(commit) > 7 {
//use abbreviated SHA
commit = commit[:7]
}
_, pipelineID := ref.Parse(execution.Spec.PipelineName)
clusterID, projectID := ref.Parse(execution.Spec.ProjectName)
localRegistry := ""
if execution.Annotations != nil && execution.Annotations[LocalRegistryPortLabel] != "" {
localRegistry = "127.0.0.1:" + execution.Annotations[LocalRegistryPortLabel]
}
m[EnvGitCommit] = commit
m[EnvGitRepoName] = repoName
m[EnvGitRef] = execution.Spec.Ref
m[EnvGitBranch] = execution.Spec.Branch
m[EnvGitURL] = execution.Spec.RepositoryURL
m[EnvPipelineID] = pipelineID
m[EnvTriggerType] = execution.Spec.TriggeredBy
m[EnvEvent] = execution.Spec.Event
m[EnvExecutionID] = execution.Name
m[EnvExecutionSequence] = strconv.Itoa(execution.Spec.Run)
m[EnvProjectID] = projectID
m[EnvClusterID] = clusterID
m[EnvLocalRegistry] = localRegistry
if execution.Spec.Event == WebhookEventTag {
m[EnvGitTag] = strings.TrimPrefix(execution.Spec.Ref, "refs/tags/")
}
return m
}
func PipelineConfigToYaml(pipelineConfig *v3.PipelineConfig) ([]byte, error) {
content, err := yaml.Marshal(pipelineConfig)
if err != nil {
return nil, err
}
return content, nil
}
func PipelineConfigFromYaml(content []byte) (*v3.PipelineConfig, error) {
out := &v3.PipelineConfig{}
err := yaml.Unmarshal(content, out)
if err != nil {
return nil, errors.Wrapf(err, "Failed to parse the pipeline file")
}
return out, nil
}
func BCryptHash(password string) (string, error) {
passwordBytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
if err != nil {
return "", err
}
return string(passwordBytes), nil
}
func GetRegistryPortMapping(cm *corev1.ConfigMap) (map[string]string, error) {
portMap := map[string]string{}
yamlMap := map[string]string{}
curYaml := cm.Data[RegistryPortMappingFile]
if err := yaml.Unmarshal([]byte(curYaml), &yamlMap); err != nil {
return nil, err
}
if err := json.Unmarshal([]byte(yamlMap[RegistryPortMappingKey]), &portMap); err != nil {
return nil, err
}
return portMap, nil
}
func SetRegistryPortMapping(configmap *corev1.ConfigMap, portMap map[string]string) error {
yamlMap := map[string]string{}
b, err := json.Marshal(portMap)
if err != nil {
return err
}
yamlMap[RegistryPortMappingKey] = string(b)
b, err = yaml.Marshal(yamlMap)
if err != nil {
return err
}
configmap.Data[RegistryPortMappingFile] = string(b)
return nil
}
// EnsureAccessToken Checks expiry and do token refresh when needed
func EnsureAccessToken(credentialInterface v3.SourceCodeCredentialInterface, remote model.Remote, credential *v3.SourceCodeCredential) (string, error) {
if credential == nil {
return "", nil
}
refresher, ok := remote.(model.Refresher)
if !ok {
return credential.Spec.AccessToken, nil
}
t, err := time.Parse(time.RFC3339, credential.Spec.Expiry)
if err != nil {
return "", err
}
if t.Before(time.Now().Add(time.Minute)) {
torefresh := credential.DeepCopy()
ok, err := refresher.Refresh(torefresh)
if err != nil {
return "", err
}
if ok {
if _, err := credentialInterface.Update(torefresh); err != nil {
return "", err
}
}
return torefresh.Spec.AccessToken, nil
}
return credential.Spec.AccessToken, nil
}