package script import ( "bytes" "fmt" "io/ioutil" "strings" "launchpad.net/goyaml" "github.com/drone/drone/shared/build/buildfile" "github.com/drone/drone/shared/build/git" "github.com/drone/drone/shared/build/repo" "github.com/drone/drone/shared/deploy" "github.com/drone/drone/shared/notify" "github.com/drone/drone/shared/publish" ) func ParseBuild(data []byte, params map[string]string) (*Build, error) { build := Build{} // parse the build configuration file err := goyaml.Unmarshal(injectParams(data, params), &build) return &build, err } func ParseBuildFile(filename string) (*Build, error) { data, err := ioutil.ReadFile(filename) if err != nil { return nil, err } return ParseBuild(data, nil) } // injectParams injects params into data. func injectParams(data []byte, params map[string]string) []byte { for k, v := range params { data = bytes.Replace(data, []byte(fmt.Sprintf("{{%s}}", k)), []byte(v), -1) } return data } // Build stores the configuration details for // building, testing and deploying code. type Build struct { // Image specifies the Docker Image that will be // used to virtualize the Build process. Image string // Name specifies a user-defined label used // to identify the build. Name string // Script specifies the build and test commands. Script []string // Env specifies the environment of the build. Env []string // Hosts specifies the custom IP address and // hostname mappings. Hosts []string // Cache lists a set of directories that should // persisted between builds. Cache []string // Services specifies external services, such as // database or messaging queues, that should be // linked to the build environment. Services []string Deploy *deploy.Deploy `yaml:"deploy,omitempty"` Publish *publish.Publish `yaml:"publish,omitempty"` Notifications *notify.Notification `yaml:"notify,omitempty"` // Git specified git-specific parameters, such as // the clone depth and path Git *git.Git `yaml:"git,omitempty"` } // Write adds all the steps to the build script, including // build commands, deploy and publish commands. func (b *Build) Write(f *buildfile.Buildfile, r *repo.Repo) { // append build commands b.WriteBuild(f) // write publish commands if b.Publish != nil { b.Publish.Write(f, r) } // write deployment commands if b.Deploy != nil { b.Deploy.Write(f) } // write exit value f.WriteCmd("exit 0") } // WriteBuild adds only the build steps to the build script, // omitting publish and deploy steps. This is important for // pull requests, where deployment would be undesirable. func (b *Build) WriteBuild(f *buildfile.Buildfile) { // append environment variables for _, env := range b.Env { parts := strings.Split(env, "=") if len(parts) != 2 { continue } f.WriteEnv(parts[0], parts[1]) } // append build commands for _, cmd := range b.Script { f.WriteCmd(cmd) } } type Publish interface { Write(f *buildfile.Buildfile) } type Deployment interface { Write(f *buildfile.Buildfile) } type Notification interface { Set(c Context) } type Context interface { Host() string Owner() string Name() string Branch() string Hash() string Status() string Message() string Author() string Gravatar() string Duration() int64 HumanDuration() string //Settings }