forked from forgejo/runner
118 lines
2.7 KiB
Go
118 lines
2.7 KiB
Go
package config
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import (
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"encoding/json"
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"io"
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"os"
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"runtime"
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"strconv"
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"codeberg.org/forgejo/runner/core"
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"github.com/joho/godotenv"
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"github.com/kelseyhightower/envconfig"
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)
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type (
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// Config provides the system configuration.
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Config struct {
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Debug bool `envconfig:"GITEA_DEBUG"`
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Trace bool `envconfig:"GITEA_TRACE"`
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Client Client
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Runner Runner
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Platform Platform
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}
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Client struct {
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Address string `ignored:"true"`
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Insecure bool
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}
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Runner struct {
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UUID string `ignored:"true"`
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Name string `envconfig:"GITEA_RUNNER_NAME"`
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Token string `ignored:"true"`
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Capacity int `envconfig:"GITEA_RUNNER_CAPACITY" default:"1"`
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File string `envconfig:"FORGEJO_RUNNER_FILE" default:".runner"`
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Environ map[string]string `envconfig:"GITEA_RUNNER_ENVIRON"`
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EnvFile string `envconfig:"GITEA_RUNNER_ENV_FILE"`
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Labels []string `envconfig:"GITEA_RUNNER_LABELS"`
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}
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Platform struct {
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OS string `envconfig:"GITEA_PLATFORM_OS"`
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Arch string `envconfig:"GITEA_PLATFORM_ARCH"`
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}
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)
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// FromEnviron returns the settings from the environment.
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func FromEnviron() (Config, error) {
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cfg := Config{}
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if err := envconfig.Process("", &cfg); err != nil {
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return cfg, err
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}
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// check runner config exist
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f, err := os.Stat(cfg.Runner.File)
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if err == nil && !f.IsDir() {
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jsonFile, _ := os.Open(cfg.Runner.File)
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defer jsonFile.Close()
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byteValue, _ := io.ReadAll(jsonFile)
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var runner core.Runner
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if err := json.Unmarshal(byteValue, &runner); err != nil {
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return cfg, err
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}
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if runner.UUID != "" {
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cfg.Runner.UUID = runner.UUID
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}
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if runner.Name != "" {
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cfg.Runner.Name = runner.Name
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}
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if runner.Token != "" {
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cfg.Runner.Token = runner.Token
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}
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if len(runner.Labels) != 0 {
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cfg.Runner.Labels = runner.Labels
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}
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if runner.Address != "" {
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cfg.Client.Address = runner.Address
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}
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if runner.Insecure != "" {
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cfg.Client.Insecure, _ = strconv.ParseBool(runner.Insecure)
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}
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} else if err != nil {
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return cfg, err
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}
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// runner config
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if cfg.Runner.Environ == nil {
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cfg.Runner.Environ = map[string]string{
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"GITHUB_API_URL": cfg.Client.Address + "/api/v1",
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"GITHUB_SERVER_URL": cfg.Client.Address,
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}
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}
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if cfg.Runner.Name == "" {
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cfg.Runner.Name, _ = os.Hostname()
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}
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// platform config
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if cfg.Platform.OS == "" {
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cfg.Platform.OS = runtime.GOOS
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}
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if cfg.Platform.Arch == "" {
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cfg.Platform.Arch = runtime.GOARCH
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}
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if file := cfg.Runner.EnvFile; file != "" {
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envs, err := godotenv.Read(file)
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if err != nil {
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return cfg, err
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}
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for k, v := range envs {
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cfg.Runner.Environ[k] = v
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}
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}
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return cfg, nil
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}
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