woodpecker/plugin/publish/docker.go
2015-01-05 12:12:37 +01:00

119 lines
3.7 KiB
Go

package publish
import (
"fmt"
"github.com/drone/drone/plugin/condition"
"github.com/drone/drone/shared/build/buildfile"
)
type Docker struct {
// The path to the dockerfile to create the image from. If the path is empty or no
// path is specified then the docker file will be built from the base directory.
Dockerfile string `yaml:"docker_file"`
// Connection information for the docker server that will build the image
// Same format than DOCKER_HOST envvar, i.e.: tcp://172.16.1.1:2375
DockerHost string `yaml:"docker_host"`
// The Docker client version to download. Will default to latest if not set
DockerVersion string `yaml:"docker_version"`
// Optional Arguments to allow finer-grained control of registry
// endpoints
RegistryLoginUrl string `yaml:"registry_login_url"`
ImageName string `yaml:"image_name"`
RegistryLogin bool `yaml:"registry_login"`
// Authentication credentials for index.docker.io
Username string `yaml:"username"`
Password string `yaml:"password"`
Email string `yaml:"email"`
// Keep the build on the Docker host after pushing?
KeepBuild bool `yaml:"keep_build"`
Tag string `yaml:"tag"`
Tags []string `yaml:"tags"`
Condition *condition.Condition `yaml:"when,omitempty"`
}
// Write adds commands to the buildfile to do the following:
// 1. Install the docker client in the Drone container if required.
// 2. Build a docker image based on the dockerfile defined in the config.
// 3. Push that docker image to index.docker.io.
// 4. Delete the docker image on the server it was build on so we conserve disk space.
func (d *Docker) Write(f *buildfile.Buildfile) {
if len(d.DockerHost) == 0 || len(d.ImageName) == 0 {
f.WriteCmdSilent(`echo -e "Docker Plugin: Missing argument(s)\n\n"`)
if len(d.DockerHost) == 0 {
f.WriteCmdSilent(`echo -e "\tdocker_host not defined in yaml"`)
}
if len(d.ImageName) == 0 {
f.WriteCmdSilent(`echo -e "\timage_name not defined in yaml"`)
}
return
}
// If docker version is unspecified, download and install the latest client
if len(d.DockerVersion) == 0 {
d.DockerVersion = "latest"
}
if len(d.DockerVersion) > 0 {
// Download docker binary and install it as /usr/local/bin/docker if it does not exist
f.WriteCmd("type -p docker || wget -qO- https://get.docker.io/builds/Linux/x86_64/docker-" +
d.DockerVersion + ".tgz |sudo tar zxf - -C /")
}
dockerPath := "."
if len(d.Dockerfile) != 0 {
dockerPath = fmt.Sprintf("- < %s", d.Dockerfile)
}
// Run the command commands to build and deploy the image.
// Add the single tag if one exists
if len(d.Tag) > 0 {
d.Tags = append(d.Tags, d.Tag)
}
// If no tags are specified, use the commit hash
if len(d.Tags) == 0 {
d.Tags = append(d.Tags, "$(git rev-parse --short HEAD)")
}
// There is always at least 1 tag
buildImageTag := d.Tags[0]
// Export docker host once
f.WriteCmd("export DOCKER_HOST=" + d.DockerHost)
// Build the image
f.WriteCmd(fmt.Sprintf("docker build -t %s:%s %s", d.ImageName, buildImageTag, dockerPath))
// Login?
if d.RegistryLogin == true {
f.WriteCmdSilent(fmt.Sprintf("docker login -u %s -p %s -e %s %s",
d.Username, d.Password, d.Email, d.RegistryLoginUrl))
}
// Tag and push all tags
for _, tag := range d.Tags {
if tag != buildImageTag {
f.WriteCmd(fmt.Sprintf("docker tag %s:%s %s:%s", d.ImageName, buildImageTag, d.ImageName, tag))
}
f.WriteCmd(fmt.Sprintf("docker push %s:%s", d.ImageName, tag))
}
// Remove tags after pushing unless keepBuild is set
if !d.KeepBuild {
for _, tag := range d.Tags {
f.WriteCmd(fmt.Sprintf("docker rmi %s:%s", d.ImageName, tag))
}
}
}
func (d *Docker) GetCondition() *condition.Condition {
return d.Condition
}