drone-yaml/yaml/compiler/clone.go

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2019-02-10 19:00:16 +00:00
// Copyright 2019 Drone IO, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
2019-01-22 23:44:17 +00:00
package compiler
import (
"strconv"
"github.com/drone/drone-runtime/engine"
"github.com/drone/drone-yaml/yaml"
"github.com/drone/drone-yaml/yaml/compiler/internal/rand"
)
// default name of the clone step.
const cloneStepName = "clone"
// helper function returns the preferred clone image
// based on the target architecture.
func cloneImage(src *yaml.Pipeline) string {
switch {
case src.Platform.OS == "linux" && src.Platform.Arch == "arm":
return "drone/git:linux-arm"
case src.Platform.OS == "linux" && src.Platform.Arch == "arm64":
return "drone/git:linux-arm64"
case src.Platform.OS == "windows":
return "drone/git:windows-1803"
default:
return "drone/git"
}
}
// helper function configures the clone depth parameter,
// specific to the clone plugin.
//
// TODO(bradrydzewski) rename to setupCloneParams
func setupCloneDepth(src *yaml.Pipeline, dst *engine.Step) {
if depth := src.Clone.Depth; depth > 0 {
dst.Envs["PLUGIN_DEPTH"] = strconv.Itoa(depth)
}
if skipVerify := src.Clone.SkipVerify; skipVerify {
dst.Envs["GIT_SSL_NO_VERIFY"] = "true"
dst.Envs["PLUGIN_SKIP_VERIFY"] = "true"
}
}
// helper function configures the .git-clone credentials
// file. The file is mounted into the container, pointed
// to by XDG_CONFIG_HOME
// see https://git-scm.com/docs/git-credential-store
func setupCloneCredentials(spec *engine.Spec, dst *engine.Step, data []byte) {
if len(data) == 0 {
return
}
// TODO(bradrydzewski) we may need to update the git
// clone plugin to configure the git credential store.
dst.Files = append(dst.Files, &engine.FileMount{
Name: ".git-credentials",
Path: "/root/.git-credentials",
})
spec.Files = append(spec.Files, &engine.File{
Metadata: engine.Metadata{
UID: rand.String(),
Namespace: spec.Metadata.Namespace,
Name: ".git-credentials",
},
Data: data,
})
}
// helper function creates a default container configuration
// for the clone stage. The clone stage is automatically
// added to each pipeline.
func createClone(src *yaml.Pipeline) *yaml.Container {
return &yaml.Container{
Name: cloneStepName,
Image: cloneImage(src),
}
}