71 lines
1.9 KiB
Go
71 lines
1.9 KiB
Go
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// Package docker aims to provide simple "helper" methods to ease the use of
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// docker in (integration) tests.
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//
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// It does support a subset of options compared to actual client api, as it
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// is more focused on needs for integration tests.
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package docker
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import (
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"fmt"
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"github.com/docker/engine-api/client"
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)
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const (
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// KermitLabel is the label used to add to containers
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KermitLabel = "com.github.vdemeester.libkermit"
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)
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var (
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// KermitHeader defines default kermit headers to pass through the API
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KermitHeader = map[string]string{
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"User-Agent": "libkermit-1.0",
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}
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// KermitLabels defines default docker labels kermit will but on
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// containers and such.
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KermitLabels = map[string]string{
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KermitLabel: "true",
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}
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// KermitLabelFilter is the filter to use to find containers managed by kermit
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KermitLabelFilter = fmt.Sprintf("label=%s", KermitLabel)
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// DefaultStopTimeout is the default timeout for the stop command
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DefaultStopTimeout = 10
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// CurrentAPIVersion defines the current "lower" docker API version
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// supported by libkermit.
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CurrentAPIVersion = "v1.21"
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)
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// Project holds docker related project attributes, like docker client, labels
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// to put on the containers, and so on.
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type Project struct {
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Client APIClient
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Labels map[string]string
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}
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// APIClient is a lightweight representation of docker client.APIClient
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type APIClient interface {
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client.ContainerAPIClient
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client.ImageAPIClient
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}
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// NewProjectFromEnv creates a project with a client that is build from environment variables.
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func NewProjectFromEnv() (*Project, error) {
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client, err := client.NewEnvClient()
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if err != nil {
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return nil, err
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}
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client.UpdateClientVersion(CurrentAPIVersion)
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return NewProject(client), nil
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}
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// NewProject creates a project with the given client and the default attributes.
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func NewProject(client APIClient) *Project {
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return &Project{
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Client: client,
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Labels: KermitLabels,
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}
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}
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