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63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Handler for /validate content.
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// Validates cadvisor dependencies - kernel, os, docker setup.
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package docker
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import (
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"net/http"
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"sync"
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dclient "github.com/docker/docker/client"
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"github.com/docker/go-connections/tlsconfig"
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)
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var (
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dockerClient *dclient.Client
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dockerClientErr error
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dockerClientOnce sync.Once
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)
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// Client creates a Docker API client based on the given Docker flags
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func Client() (*dclient.Client, error) {
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dockerClientOnce.Do(func() {
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var client *http.Client
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if *ArgDockerTLS {
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client = &http.Client{}
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options := tlsconfig.Options{
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CAFile: *ArgDockerCA,
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CertFile: *ArgDockerCert,
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KeyFile: *ArgDockerKey,
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InsecureSkipVerify: false,
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}
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tlsc, err := tlsconfig.Client(options)
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if err != nil {
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dockerClientErr = err
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return
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}
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client.Transport = &http.Transport{
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TLSClientConfig: tlsc,
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}
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}
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dockerClient, dockerClientErr = dclient.NewClient(*ArgDockerEndpoint,
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"",
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client,
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nil)
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})
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return dockerClient, dockerClientErr
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}
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