drone-yaml/yaml/compiler/transform/netrc.go
2019-02-10 11:00:16 -08:00

88 lines
2.5 KiB
Go

// 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.
package transform
import (
"fmt"
"github.com/drone/drone-runtime/engine"
"github.com/drone/drone-yaml/yaml/compiler/internal/rand"
)
const (
netrcName = ".netrc"
netrcPath = "/var/run/drone/.netrc"
netrcMode = 0777
)
const disableNetrcMount = true
// WithNetrc is a helper function that creates a netrc file
// and mounts the file to all container steps.
func WithNetrc(machine, username, password string) func(*engine.Spec) {
return func(spec *engine.Spec) {
if username == "" || password == "" {
return
}
// TODO(bradrydzewski) temporarily disable mounting
// the netrc file due to issues with kubernetes
// compatibility.
if disableNetrcMount == false {
// Currently file mounts don't seem to work in Windows so environment
// variables are used instead
// FIXME: https://github.com/drone/drone-yaml/issues/20
if spec.Platform.OS != "windows" {
netrc := generateNetrc(machine, username, password)
spec.Files = append(spec.Files, &engine.File{
Metadata: engine.Metadata{
UID: rand.String(),
Name: netrcName,
Namespace: spec.Metadata.Namespace,
},
Data: []byte(netrc),
})
for _, step := range spec.Steps {
step.Files = append(step.Files, &engine.FileMount{
Name: netrcName,
Path: netrcPath,
Mode: netrcMode,
})
}
}
}
// TODO(bradrydzewski) these should only be injected
// if the file is not mounted, if OS == Windows.
for _, step := range spec.Steps {
if step.Envs == nil {
step.Envs = map[string]string{}
}
step.Envs["CI_NETRC_MACHINE"] = machine
step.Envs["CI_NETRC_USERNAME"] = username
step.Envs["CI_NETRC_PASSWORD"] = password
step.Envs["DRONE_NETRC_MACHINE"] = machine
step.Envs["DRONE_NETRC_USERNAME"] = username
step.Envs["DRONE_NETRC_PASSWORD"] = password
}
}
}
func generateNetrc(machine, username, password string) string {
return fmt.Sprintf("machine %s login %s password %s",
machine, username, password)
}