drone-yaml/yaml/compiler/dind.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 (
"github.com/drone/drone-yaml/yaml"
"github.com/drone/drone-yaml/yaml/compiler/image"
)
// DindFunc is a helper function that returns true
// if a container image (specifically a plugin) is
// a whitelisted dind container and should be executed
// in privileged mode.
func DindFunc(images []string) func(*yaml.Container) bool {
return func(container *yaml.Container) bool {
// privileged-by-default containers are only
// enabled for plugins steps that do not define
// commands, command, or entrypoint.
if len(container.Commands) > 0 {
return false
}
if len(container.Command) > 0 {
return false
}
if len(container.Entrypoint) > 0 {
return false
}
// if the container image matches any image
// in the whitelist, return true.
for _, img := range images {
a := img
b := container.Image
if image.Match(a, b) {
return true
}
}
return false
}
}