harness-drone/pkg/build/script/script.go
2014-02-26 14:24:48 -07:00

138 lines
3 KiB
Go

package script
import (
"bytes"
"fmt"
"io/ioutil"
"strings"
"launchpad.net/goyaml"
"github.com/drone/drone/pkg/build/buildfile"
"github.com/drone/drone/pkg/build/git"
"github.com/drone/drone/pkg/plugin/deploy"
"github.com/drone/drone/pkg/plugin/notify"
"github.com/drone/drone/pkg/plugin/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
// 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 *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) {
// append build commands
b.WriteBuild(f)
// write publish commands
if b.Publish != nil {
b.Publish.Write(f)
}
// 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
}