mirror of https://github.com/kubernetes/kops.git
60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
/*
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Copyright 2017 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 assettasks
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import (
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"fmt"
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"os/exec"
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"github.com/golang/glog"
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)
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// dockerCLI encapsulates access to docker via the CLI
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type dockerCLI struct {
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}
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// newDockerCLI builds a dockerCLI object, for talking to docker via the CLI
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func newDockerCLI() (*dockerCLI, error) {
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return &dockerCLI{}, nil
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}
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// pullImage does a `docker pull`, shelling out to the CLI
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func (d *dockerCLI) pullImage(name string) error {
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glog.V(4).Infof("docker pull for image %q", name)
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cmd := exec.Command("docker", "pull", name)
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err := cmd.Run()
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if err != nil {
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return fmt.Errorf("error pulling image %q: %v", name, err)
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}
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return nil
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}
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// pushImage does a docker push, shelling out to the CLI
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func (d *dockerCLI) pushImage(name string) error {
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glog.V(4).Infof("docker push for image %q", name)
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cmd := exec.Command("docker", "push", name)
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err := cmd.Run()
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if err != nil {
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return fmt.Errorf("error pushing image %q: %v", name, err)
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}
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return nil
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}
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