1dda0aec69
Conflicts: pkg/container/docker_run.go pkg/runner/action.go pkg/runner/logger.go pkg/runner/run_context.go pkg/runner/runner.go pkg/runner/step_action_remote_test.go
697 lines
18 KiB
Go
697 lines
18 KiB
Go
package model
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import (
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"fmt"
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"io"
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"reflect"
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"regexp"
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"strconv"
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"strings"
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"github.com/nektos/act/pkg/common"
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log "github.com/sirupsen/logrus"
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"gopkg.in/yaml.v3"
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)
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// Workflow is the structure of the files in .github/workflows
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type Workflow struct {
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File string
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Name string `yaml:"name"`
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RawOn yaml.Node `yaml:"on"`
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Env map[string]string `yaml:"env"`
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Jobs map[string]*Job `yaml:"jobs"`
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Defaults Defaults `yaml:"defaults"`
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}
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// On events for the workflow
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func (w *Workflow) On() []string {
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switch w.RawOn.Kind {
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case yaml.ScalarNode:
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var val string
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err := w.RawOn.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return []string{val}
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case yaml.SequenceNode:
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var val []string
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err := w.RawOn.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return val
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case yaml.MappingNode:
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var val map[string]interface{}
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err := w.RawOn.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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var keys []string
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for k := range val {
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keys = append(keys, k)
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}
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return keys
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}
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return nil
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}
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func (w *Workflow) OnEvent(event string) interface{} {
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if w.RawOn.Kind == yaml.MappingNode {
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var val map[string]interface{}
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err := w.RawOn.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return val[event]
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}
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return nil
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}
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func (w *Workflow) OnSchedule() []string {
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schedules := w.OnEvent("schedule")
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if schedules == nil {
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return []string{}
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}
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switch val := schedules.(type) {
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case []interface{}:
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allSchedules := []string{}
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for _, v := range val {
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for k, cron := range v.(map[string]interface{}) {
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if k != "cron" {
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continue
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}
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allSchedules = append(allSchedules, cron.(string))
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}
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}
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return allSchedules
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default:
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}
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return []string{}
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}
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type WorkflowDispatchInput struct {
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Description string `yaml:"description"`
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Required bool `yaml:"required"`
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Default string `yaml:"default"`
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Type string `yaml:"type"`
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Options []string `yaml:"options"`
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}
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type WorkflowDispatch struct {
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Inputs map[string]WorkflowDispatchInput `yaml:"inputs"`
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}
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func (w *Workflow) WorkflowDispatchConfig() *WorkflowDispatch {
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if w.RawOn.Kind != yaml.MappingNode {
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return nil
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}
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var val map[string]yaml.Node
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err := w.RawOn.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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var config WorkflowDispatch
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node := val["workflow_dispatch"]
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err = node.Decode(&config)
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if err != nil {
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log.Fatal(err)
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}
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return &config
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}
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type WorkflowCallInput struct {
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Description string `yaml:"description"`
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Required bool `yaml:"required"`
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Default string `yaml:"default"`
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Type string `yaml:"type"`
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}
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type WorkflowCallOutput struct {
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Description string `yaml:"description"`
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Value string `yaml:"value"`
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}
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type WorkflowCall struct {
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Inputs map[string]WorkflowCallInput `yaml:"inputs"`
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Outputs map[string]WorkflowCallOutput `yaml:"outputs"`
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}
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type WorkflowCallResult struct {
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Outputs map[string]string
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}
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func (w *Workflow) WorkflowCallConfig() *WorkflowCall {
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if w.RawOn.Kind != yaml.MappingNode {
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return nil
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}
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var val map[string]yaml.Node
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err := w.RawOn.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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var config WorkflowCall
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node := val["workflow_call"]
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err = node.Decode(&config)
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if err != nil {
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log.Fatal(err)
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}
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return &config
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}
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// Job is the structure of one job in a workflow
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type Job struct {
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Name string `yaml:"name"`
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RawNeeds yaml.Node `yaml:"needs"`
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RawRunsOn yaml.Node `yaml:"runs-on"`
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Env yaml.Node `yaml:"env"`
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If yaml.Node `yaml:"if"`
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Steps []*Step `yaml:"steps"`
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TimeoutMinutes string `yaml:"timeout-minutes"`
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Services map[string]*ContainerSpec `yaml:"services"`
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Strategy *Strategy `yaml:"strategy"`
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RawContainer yaml.Node `yaml:"container"`
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Defaults Defaults `yaml:"defaults"`
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Outputs map[string]string `yaml:"outputs"`
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Uses string `yaml:"uses"`
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With map[string]interface{} `yaml:"with"`
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RawSecrets yaml.Node `yaml:"secrets"`
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Result string
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}
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// Strategy for the job
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type Strategy struct {
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FailFast bool
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MaxParallel int
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FailFastString string `yaml:"fail-fast"`
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MaxParallelString string `yaml:"max-parallel"`
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RawMatrix yaml.Node `yaml:"matrix"`
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}
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// Default settings that will apply to all steps in the job or workflow
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type Defaults struct {
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Run RunDefaults `yaml:"run"`
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}
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// Defaults for all run steps in the job or workflow
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type RunDefaults struct {
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Shell string `yaml:"shell"`
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WorkingDirectory string `yaml:"working-directory"`
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}
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// GetMaxParallel sets default and returns value for `max-parallel`
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func (s Strategy) GetMaxParallel() int {
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// MaxParallel default value is `GitHub will maximize the number of jobs run in parallel depending on the available runners on GitHub-hosted virtual machines`
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// So I take the liberty to hardcode default limit to 4 and this is because:
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// 1: tl;dr: self-hosted does only 1 parallel job - https://github.com/actions/runner/issues/639#issuecomment-825212735
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// 2: GH has 20 parallel job limit (for free tier) - https://github.com/github/docs/blob/3ae84420bd10997bb5f35f629ebb7160fe776eae/content/actions/reference/usage-limits-billing-and-administration.md?plain=1#L45
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// 3: I want to add support for MaxParallel to act and 20! parallel jobs is a bit overkill IMHO
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maxParallel := 4
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if s.MaxParallelString != "" {
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var err error
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if maxParallel, err = strconv.Atoi(s.MaxParallelString); err != nil {
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log.Errorf("Failed to parse 'max-parallel' option: %v", err)
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}
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}
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return maxParallel
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}
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// GetFailFast sets default and returns value for `fail-fast`
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func (s Strategy) GetFailFast() bool {
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// FailFast option is true by default: https://github.com/github/docs/blob/3ae84420bd10997bb5f35f629ebb7160fe776eae/content/actions/reference/workflow-syntax-for-github-actions.md?plain=1#L1107
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failFast := true
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log.Debug(s.FailFastString)
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if s.FailFastString != "" {
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var err error
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if failFast, err = strconv.ParseBool(s.FailFastString); err != nil {
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log.Errorf("Failed to parse 'fail-fast' option: %v", err)
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}
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}
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return failFast
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}
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func (j *Job) InheritSecrets() bool {
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if j.RawSecrets.Kind != yaml.ScalarNode {
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return false
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}
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var val string
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err := j.RawSecrets.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return val == "inherit"
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}
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func (j *Job) Secrets() map[string]string {
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if j.RawSecrets.Kind != yaml.MappingNode {
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return nil
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}
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var val map[string]string
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err := j.RawSecrets.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return val
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}
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// Container details for the job
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func (j *Job) Container() *ContainerSpec {
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var val *ContainerSpec
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switch j.RawContainer.Kind {
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case yaml.ScalarNode:
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val = new(ContainerSpec)
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err := j.RawContainer.Decode(&val.Image)
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if err != nil {
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log.Fatal(err)
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}
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case yaml.MappingNode:
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val = new(ContainerSpec)
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err := j.RawContainer.Decode(val)
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if err != nil {
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log.Fatal(err)
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}
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}
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return val
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}
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// Needs list for Job
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func (j *Job) Needs() []string {
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switch j.RawNeeds.Kind {
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case yaml.ScalarNode:
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var val string
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err := j.RawNeeds.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return []string{val}
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case yaml.SequenceNode:
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var val []string
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err := j.RawNeeds.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return val
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}
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return nil
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}
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// RunsOn list for Job
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func (j *Job) RunsOn() []string {
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switch j.RawRunsOn.Kind {
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case yaml.ScalarNode:
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var val string
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err := j.RawRunsOn.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return []string{val}
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case yaml.SequenceNode:
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var val []string
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err := j.RawRunsOn.Decode(&val)
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if err != nil {
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log.Fatal(err)
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}
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return val
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}
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return nil
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}
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func environment(yml yaml.Node) map[string]string {
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env := make(map[string]string)
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if yml.Kind == yaml.MappingNode {
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if err := yml.Decode(&env); err != nil {
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log.Fatal(err)
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}
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}
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return env
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}
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// Environments returns string-based key=value map for a job
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func (j *Job) Environment() map[string]string {
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return environment(j.Env)
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}
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// Matrix decodes RawMatrix YAML node
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func (j *Job) Matrix() map[string][]interface{} {
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if j.Strategy.RawMatrix.Kind == yaml.MappingNode {
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var val map[string][]interface{}
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if err := j.Strategy.RawMatrix.Decode(&val); err != nil {
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log.Fatal(err)
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}
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return val
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}
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return nil
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}
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// GetMatrixes returns the matrix cross product
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// It skips includes and hard fails excludes for non-existing keys
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//
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//nolint:gocyclo
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func (j *Job) GetMatrixes() []map[string]interface{} {
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matrixes := make([]map[string]interface{}, 0)
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if j.Strategy != nil {
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j.Strategy.FailFast = j.Strategy.GetFailFast()
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j.Strategy.MaxParallel = j.Strategy.GetMaxParallel()
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if m := j.Matrix(); m != nil {
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includes := make([]map[string]interface{}, 0)
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extraIncludes := make([]map[string]interface{}, 0)
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for _, v := range m["include"] {
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switch t := v.(type) {
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case []interface{}:
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for _, i := range t {
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i := i.(map[string]interface{})
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extraInclude := true
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for k := range i {
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if _, ok := m[k]; ok {
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includes = append(includes, i)
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extraInclude = false
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break
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}
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}
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if extraInclude {
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extraIncludes = append(extraIncludes, i)
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}
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}
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case interface{}:
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v := v.(map[string]interface{})
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extraInclude := true
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for k := range v {
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if _, ok := m[k]; ok {
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includes = append(includes, v)
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extraInclude = false
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break
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}
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}
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if extraInclude {
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extraIncludes = append(extraIncludes, v)
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}
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}
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}
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delete(m, "include")
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excludes := make([]map[string]interface{}, 0)
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for _, e := range m["exclude"] {
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e := e.(map[string]interface{})
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for k := range e {
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if _, ok := m[k]; ok {
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excludes = append(excludes, e)
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} else {
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// We fail completely here because that's what GitHub does for non-existing matrix keys, fail on exclude, silent skip on include
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log.Fatalf("The workflow is not valid. Matrix exclude key '%s' does not match any key within the matrix", k)
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}
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}
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}
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delete(m, "exclude")
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matrixProduct := common.CartesianProduct(m)
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MATRIX:
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for _, matrix := range matrixProduct {
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for _, exclude := range excludes {
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if commonKeysMatch(matrix, exclude) {
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log.Debugf("Skipping matrix '%v' due to exclude '%v'", matrix, exclude)
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continue MATRIX
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}
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}
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matrixes = append(matrixes, matrix)
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}
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for _, include := range includes {
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matched := false
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for _, matrix := range matrixes {
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if commonKeysMatch2(matrix, include, m) {
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matched = true
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log.Debugf("Adding include values '%v' to existing entry", include)
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for k, v := range include {
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matrix[k] = v
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}
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}
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}
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if !matched {
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extraIncludes = append(extraIncludes, include)
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}
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}
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for _, include := range extraIncludes {
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log.Debugf("Adding include '%v'", include)
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matrixes = append(matrixes, include)
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}
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if len(matrixes) == 0 {
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matrixes = append(matrixes, make(map[string]interface{}))
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}
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} else {
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matrixes = append(matrixes, make(map[string]interface{}))
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}
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} else {
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matrixes = append(matrixes, make(map[string]interface{}))
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}
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return matrixes
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}
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func commonKeysMatch(a map[string]interface{}, b map[string]interface{}) bool {
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for aKey, aVal := range a {
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if bVal, ok := b[aKey]; ok && !reflect.DeepEqual(aVal, bVal) {
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return false
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}
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}
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return true
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}
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func commonKeysMatch2(a map[string]interface{}, b map[string]interface{}, m map[string][]interface{}) bool {
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for aKey, aVal := range a {
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_, useKey := m[aKey]
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if bVal, ok := b[aKey]; useKey && ok && !reflect.DeepEqual(aVal, bVal) {
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return false
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}
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}
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return true
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}
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// JobType describes what type of job we are about to run
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type JobType int
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const (
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// StepTypeRun is all steps that have a `run` attribute
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JobTypeDefault JobType = iota
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// StepTypeReusableWorkflowLocal is all steps that have a `uses` that is a local workflow in the .github/workflows directory
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JobTypeReusableWorkflowLocal
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// JobTypeReusableWorkflowRemote is all steps that have a `uses` that references a workflow file in a github repo
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JobTypeReusableWorkflowRemote
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)
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func (j JobType) String() string {
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switch j {
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case JobTypeDefault:
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return "default"
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case JobTypeReusableWorkflowLocal:
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return "local-reusable-workflow"
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case JobTypeReusableWorkflowRemote:
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return "remote-reusable-workflow"
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}
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return "unknown"
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}
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// Type returns the type of the job
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func (j *Job) Type() JobType {
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if strings.HasPrefix(j.Uses, "./.github/workflows") && (strings.HasSuffix(j.Uses, ".yml") || strings.HasSuffix(j.Uses, ".yaml")) {
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return JobTypeReusableWorkflowLocal
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} else if !strings.HasPrefix(j.Uses, "./") && strings.Contains(j.Uses, ".github/workflows") && (strings.Contains(j.Uses, ".yml@") || strings.Contains(j.Uses, ".yaml@")) {
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return JobTypeReusableWorkflowRemote
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}
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return JobTypeDefault
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}
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// ContainerSpec is the specification of the container to use for the job
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type ContainerSpec struct {
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Image string `yaml:"image"`
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Env map[string]string `yaml:"env"`
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Ports []string `yaml:"ports"`
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Volumes []string `yaml:"volumes"`
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Options string `yaml:"options"`
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Credentials map[string]string `yaml:"credentials"`
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Entrypoint string
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Args string
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Name string
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Reuse bool
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}
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// Step is the structure of one step in a job
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type Step struct {
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Number int `yaml:"-"`
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ID string `yaml:"id"`
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If yaml.Node `yaml:"if"`
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Name string `yaml:"name"`
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Uses string `yaml:"uses"`
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Run string `yaml:"run"`
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WorkingDirectory string `yaml:"working-directory"`
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Shell string `yaml:"shell"`
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Env yaml.Node `yaml:"env"`
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With map[string]string `yaml:"with"`
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RawContinueOnError string `yaml:"continue-on-error"`
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TimeoutMinutes string `yaml:"timeout-minutes"`
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}
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// String gets the name of step
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func (s *Step) String() string {
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if s.Name != "" {
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return s.Name
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} else if s.Uses != "" {
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return s.Uses
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} else if s.Run != "" {
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return s.Run
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}
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return s.ID
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}
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// Environments returns string-based key=value map for a step
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func (s *Step) Environment() map[string]string {
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return environment(s.Env)
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}
|
|
|
|
// GetEnv gets the env for a step
|
|
func (s *Step) GetEnv() map[string]string {
|
|
env := s.Environment()
|
|
|
|
for k, v := range s.With {
|
|
envKey := regexp.MustCompile("[^A-Z0-9-]").ReplaceAllString(strings.ToUpper(k), "_")
|
|
envKey = fmt.Sprintf("INPUT_%s", strings.ToUpper(envKey))
|
|
env[envKey] = v
|
|
}
|
|
return env
|
|
}
|
|
|
|
// ShellCommand returns the command for the shell
|
|
func (s *Step) ShellCommand() string {
|
|
shellCommand := ""
|
|
|
|
// Reference: https://github.com/actions/runner/blob/8109c962f09d9acc473d92c595ff43afceddb347/src/Runner.Worker/Handlers/ScriptHandlerHelpers.cs#L9-L17
|
|
switch s.Shell {
|
|
case "", "bash":
|
|
shellCommand = "bash --noprofile --norc -e -o pipefail {0}"
|
|
case "pwsh":
|
|
shellCommand = "pwsh -command . '{0}'"
|
|
case "python":
|
|
shellCommand = "python {0}"
|
|
case "sh":
|
|
shellCommand = "sh -e {0}"
|
|
case "cmd":
|
|
shellCommand = "%ComSpec% /D /E:ON /V:OFF /S /C \"CALL \"{0}\"\""
|
|
case "powershell":
|
|
shellCommand = "powershell -command . '{0}'"
|
|
default:
|
|
shellCommand = s.Shell
|
|
}
|
|
return shellCommand
|
|
}
|
|
|
|
// StepType describes what type of step we are about to run
|
|
type StepType int
|
|
|
|
const (
|
|
// StepTypeRun is all steps that have a `run` attribute
|
|
StepTypeRun StepType = iota
|
|
|
|
// StepTypeUsesDockerURL is all steps that have a `uses` that is of the form `docker://...`
|
|
StepTypeUsesDockerURL
|
|
|
|
// StepTypeUsesActionLocal is all steps that have a `uses` that is a local action in a subdirectory
|
|
StepTypeUsesActionLocal
|
|
|
|
// StepTypeUsesActionRemote is all steps that have a `uses` that is a reference to a github repo
|
|
StepTypeUsesActionRemote
|
|
|
|
// StepTypeReusableWorkflowLocal is all steps that have a `uses` that is a local workflow in the .github/workflows directory
|
|
StepTypeReusableWorkflowLocal
|
|
|
|
// StepTypeReusableWorkflowRemote is all steps that have a `uses` that references a workflow file in a github repo
|
|
StepTypeReusableWorkflowRemote
|
|
|
|
// StepTypeInvalid is for steps that have invalid step action
|
|
StepTypeInvalid
|
|
)
|
|
|
|
func (s StepType) String() string {
|
|
switch s {
|
|
case StepTypeInvalid:
|
|
return "invalid"
|
|
case StepTypeRun:
|
|
return "run"
|
|
case StepTypeUsesActionLocal:
|
|
return "local-action"
|
|
case StepTypeUsesActionRemote:
|
|
return "remote-action"
|
|
case StepTypeUsesDockerURL:
|
|
return "docker"
|
|
case StepTypeReusableWorkflowLocal:
|
|
return "local-reusable-workflow"
|
|
case StepTypeReusableWorkflowRemote:
|
|
return "remote-reusable-workflow"
|
|
}
|
|
return "unknown"
|
|
}
|
|
|
|
// Type returns the type of the step
|
|
func (s *Step) Type() StepType {
|
|
if s.Run == "" && s.Uses == "" {
|
|
return StepTypeInvalid
|
|
}
|
|
|
|
if s.Run != "" {
|
|
if s.Uses != "" {
|
|
return StepTypeInvalid
|
|
}
|
|
return StepTypeRun
|
|
} else if strings.HasPrefix(s.Uses, "docker://") {
|
|
return StepTypeUsesDockerURL
|
|
} else if strings.HasPrefix(s.Uses, "./.github/workflows") && (strings.HasSuffix(s.Uses, ".yml") || strings.HasSuffix(s.Uses, ".yaml")) {
|
|
return StepTypeReusableWorkflowLocal
|
|
} else if !strings.HasPrefix(s.Uses, "./") && strings.Contains(s.Uses, ".github/workflows") && (strings.Contains(s.Uses, ".yml@") || strings.Contains(s.Uses, ".yaml@")) {
|
|
return StepTypeReusableWorkflowRemote
|
|
} else if strings.HasPrefix(s.Uses, "./") {
|
|
return StepTypeUsesActionLocal
|
|
}
|
|
return StepTypeUsesActionRemote
|
|
}
|
|
|
|
// ReadWorkflow returns a list of jobs for a given workflow file reader
|
|
func ReadWorkflow(in io.Reader) (*Workflow, error) {
|
|
w := new(Workflow)
|
|
err := yaml.NewDecoder(in).Decode(w)
|
|
return w, err
|
|
}
|
|
|
|
// GetJob will get a job by name in the workflow
|
|
func (w *Workflow) GetJob(jobID string) *Job {
|
|
for id, j := range w.Jobs {
|
|
if jobID == id {
|
|
if j.Name == "" {
|
|
j.Name = id
|
|
}
|
|
if j.If.Value == "" {
|
|
j.If.Value = "success()"
|
|
}
|
|
return j
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// GetJobIDs will get all the job names in the workflow
|
|
func (w *Workflow) GetJobIDs() []string {
|
|
ids := make([]string, 0)
|
|
for id := range w.Jobs {
|
|
ids = append(ids, id)
|
|
}
|
|
return ids
|
|
}
|