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