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Add a method of enabling or disabling containers using labels

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Switch command line flag from no-enable to label-enable and simplify logic

Add basic documentation for the --label-enable flag
This commit is contained in:
Kaleb Elwert 2017-10-17 06:53:30 +02:00 • committed by Fabrizio Steiner
parent f365014b8f
commit de2ac9341d
4 changed files with 56 additions and 5 deletions
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19
container/client.go
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@ -37,19 +37,20 @@ type Client interface {
// * DOCKER_HOST the docker-engine host to send api requests to
// * DOCKER_TLS_VERIFY whether to verify tls certificates
// * DOCKER_API_VERSION the minimum docker api version to work with
func NewClient(pullImages bool) Client {
func NewClient(pullImages, enableLabel bool) Client {
cli, err := dockerclient.NewEnvClient()
if err != nil {
log.Fatalf("Error instantiating Docker client: %s", err)
}
return dockerClient{api: cli, pullImages: pullImages}
return dockerClient{api: cli, pullImages: pullImages, enableLabel: enableLabel}
}
type dockerClient struct {
api *dockerclient.Client
pullImages bool
api *dockerclient.Client
pullImages bool
enableLabel bool
}
func (client dockerClient) ListContainers(fn Filter) ([]Container, error) {
@ -77,6 +78,16 @@ func (client dockerClient) ListContainers(fn Filter) ([]Container, error) {
}
c := Container{containerInfo: &containerInfo, imageInfo: &imageInfo}
if client.enableLabel {
// If label filtering is enabled, containers should only be enabled
// if the label is specifically set to true.
enabledLabel, ok := c.Enabled()
if !ok || !enabledLabel {
continue
}
}
if fn(c) {
cs = append(cs, c)
}