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add support for 'reuse' mode to allow act to be used for a fast local task runner

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This commit is contained in:
Casey Lee
2019-01-17 00:45:37 -08:00
parent 317a305f51
commit 8793c8a6a4
11 changed files with 107 additions and 72 deletions
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13
actions/api.go
View File

@@ -36,12 +36,13 @@ type ActionRunner interface {
// RunnerConfig contains the config for a new runner
type RunnerConfig struct {
Ctx context.Context // context to use for the run
Dryrun bool // don't start any of the containers
WorkingDir string // base directory to use
WorkflowPath string // path to load main.workflow file, relative to WorkingDir
EventName string // name of event to run
EventPath string // path to JSON file to use for event.json in containers, relative to WorkingDir
Ctx context.Context // context to use for the run
Dryrun bool // don't start any of the containers
WorkingDir string // base directory to use
WorkflowPath string // path to load main.workflow file, relative to WorkingDir
EventName string // name of event to run
EventPath string // path to JSON file to use for event.json in containers, relative to WorkingDir
ReuseContainers bool // reuse containers to maintain state
}
type environmentApplier interface {

31
actions/runner_exec.go
View File

@@ -5,7 +5,6 @@ import (
"bytes"
"fmt"
"io"
"math/rand"
"os"
"path/filepath"
"regexp"
@@ -78,11 +77,6 @@ func (runner *runnerImpl) newActionExecutor(actionName string) common.Executor {
if err != nil {
return common.NewErrorExecutor(err)
}
randSuffix := randString(6)
containerName := regexp.MustCompile("[^a-zA-Z0-9]").ReplaceAllString(actionName, "-")
if len(containerName)+len(randSuffix)+1 > 30 {
containerName = containerName[:(30 - (len(randSuffix) + 1))]
}
envList := make([]string, 0)
for k, v := range env {
@@ -95,13 +89,14 @@ func (runner *runnerImpl) newActionExecutor(actionName string) common.Executor {
Image: image,
WorkingDir: "/github/workspace",
Env: envList,
Name: fmt.Sprintf("%s-%s", containerName, randSuffix),
Name: runner.createContainerName(actionName),
Binds: []string{
fmt.Sprintf("%s:%s", runner.config.WorkingDir, "/github/workspace"),
fmt.Sprintf("%s:%s", runner.tempDir, "/github/home"),
fmt.Sprintf("%s:%s", "/var/run/docker.sock", "/var/run/docker.sock"),
},
Content: map[string]io.Reader{"/github": ghReader},
Content: map[string]io.Reader{"/github": ghReader},
ReuseContainers: runner.config.ReuseContainers,
}))
return common.NewPipelineExecutor(executors...)
@@ -174,12 +169,18 @@ func (runner *runnerImpl) createGithubTarball() (io.Reader, error) {
}
const letterBytes = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
func (runner *runnerImpl) createContainerName(actionName string) string {
containerName := regexp.MustCompile("[^a-zA-Z0-9]").ReplaceAllString(actionName, "-")
func randString(slen int) string {
b := make([]byte, slen)
for i := range b {
b[i] = letterBytes[rand.Int63()%int64(len(letterBytes))]
}
return string(b)
prefix := fmt.Sprintf("%s-", trimToLen(filepath.Base(runner.config.WorkingDir), 10))
suffix := ""
containerName = trimToLen(containerName, 30-(len(prefix)+len(suffix)))
return fmt.Sprintf("%s%s%s", prefix, containerName, suffix)
}
func trimToLen(s string, l int) string {
if len(s) > l {
return s[:l]
}
return s
}