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util.go
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util.go
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package strategy
import (
"os"
"path"
kapi "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
buildapi "github.com/openshift/origin/pkg/build/api"
imageapi "github.com/openshift/origin/pkg/image/api"
)
// dockerSocketPath is the default path for the Docker socket inside the builder
// container
const dockerSocketPath = "/var/run/docker.sock"
// setupDockerSocket configures the pod to support the host's Docker socket
func setupDockerSocket(podSpec *kapi.Pod) {
dockerSocketVolume := kapi.Volume{
Name: "docker-socket",
Source: kapi.VolumeSource{
HostPath: &kapi.HostPath{
Path: dockerSocketPath,
},
},
}
dockerSocketVolumeMount := kapi.VolumeMount{
Name: "docker-socket",
MountPath: dockerSocketPath,
}
podSpec.Spec.Volumes = append(podSpec.Spec.Volumes,
dockerSocketVolume)
podSpec.Spec.Containers[0].VolumeMounts =
append(podSpec.Spec.Containers[0].VolumeMounts,
dockerSocketVolumeMount)
}
// setupDockerConfig configures the path to .dockercfg which contains registry credentials
func setupDockerConfig(podSpec *kapi.Pod) {
dockerConfig := path.Join(os.Getenv("HOME"), ".dockercfg")
if _, err := os.Stat(dockerConfig); os.IsNotExist(err) {
return
}
dockerConfigVolume := kapi.Volume{
Name: "docker-cfg",
Source: kapi.VolumeSource{
HostPath: &kapi.HostPath{
Path: dockerConfig,
},
},
}
dockerConfigVolumeMount := kapi.VolumeMount{
Name: "docker-cfg",
ReadOnly: true,
MountPath: "/root/.dockercfg",
}
podSpec.Spec.Volumes = append(podSpec.Spec.Volumes,
dockerConfigVolume)
podSpec.Spec.Containers[0].VolumeMounts =
append(podSpec.Spec.Containers[0].VolumeMounts,
dockerConfigVolumeMount)
}
// setupBuildEnv injects human-friendly environment variables which provides
// useful information about the current build.
func setupBuildEnv(build *buildapi.Build, pod *kapi.Pod) error {
vars := []kapi.EnvVar{}
switch build.Parameters.Source.Type {
case buildapi.BuildSourceGit:
vars = append(vars, kapi.EnvVar{"SOURCE_URI", build.Parameters.Source.Git.URI})
vars = append(vars, kapi.EnvVar{"SOURCE_REF", build.Parameters.Source.Git.Ref})
default:
// Do nothing for unknown source types
}
registry, namespace, name, tag, err := imageapi.SplitDockerPullSpec(build.Parameters.Output.DockerImageReference)
if err != nil {
return err
}
outputImage := imageapi.JoinDockerPullSpec("", namespace, name, tag)
vars = append(vars, kapi.EnvVar{"OUTPUT_IMAGE", outputImage})
vars = append(vars, kapi.EnvVar{"OUTPUT_REGISTRY", registry})
if len(pod.Spec.Containers) > 0 {
pod.Spec.Containers[0].Env = append(pod.Spec.Containers[0].Env, vars...)
}
return nil
}