55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package rkt
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import (
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"fmt"
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"strings"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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)
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// containerID defines the ID of rkt containers, it will
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// be returned to kubelet, and kubelet will use this for
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// container level operations.
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type containerID struct {
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uuid string // rkt uuid of the pod.
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appName string // Name of the app in that pod.
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}
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// buildContainerID constructs the containers's ID using containerID,
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// which consists of the pod uuid and the container name.
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// The result can be used to uniquely identify a container.
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func buildContainerID(c *containerID) kubecontainer.ContainerID {
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return kubecontainer.ContainerID{
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Type: RktType,
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ID: fmt.Sprintf("%s:%s", c.uuid, c.appName),
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}
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}
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// parseContainerID parses the containerID into pod uuid and the container name. The
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// results can be used to get more information of the container.
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func parseContainerID(id kubecontainer.ContainerID) (*containerID, error) {
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tuples := strings.Split(id.ID, ":")
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if len(tuples) != 2 {
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return nil, fmt.Errorf("rkt: cannot parse container ID for: %q, required format is [UUID:APPNAME]", id)
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}
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return &containerID{
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uuid: tuples[0],
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appName: tuples[1],
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}, nil
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}
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