mirror of https://github.com/docker/compose.git
150 lines
4.3 KiB
Go
150 lines
4.3 KiB
Go
/*
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Copyright 2020 Docker Compose CLI 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 context
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import (
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"context"
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"fmt"
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"strings"
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"github.com/spf13/cobra"
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"github.com/docker/compose-cli/cli/mobycli"
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"github.com/docker/compose-cli/context/store"
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)
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type descriptionCreateOpts struct {
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description string
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}
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var extraCommands []func() *cobra.Command
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var extraHelp []string
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func createCommand() *cobra.Command {
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help := strings.Join(extraHelp, "\n")
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longHelp := fmt.Sprintf(`Create a new context
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Create docker engine context:
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$ docker context create CONTEXT [flags]
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%s
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Docker endpoint config:
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NAME DESCRIPTION
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from Copy named context's Docker endpoint configuration
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host Docker endpoint on which to connect
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ca Trust certs signed only by this CA
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cert Path to TLS certificate file
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key Path to TLS key file
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skip-tls-verify Skip TLS certificate validation
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Kubernetes endpoint config:
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NAME DESCRIPTION
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from Copy named context's Kubernetes endpoint configuration
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config-file Path to a Kubernetes config file
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context-override Overrides the context set in the kubernetes config file
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namespace-override Overrides the namespace set in the kubernetes config file
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Example:
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$ docker context create my-context --description "some description" --docker "host=tcp://myserver:2376,ca=~/ca-file,cert=~/cert-file,key=~/key-file"`, help)
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cmd := &cobra.Command{
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Use: "create CONTEXT",
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Short: "Create new context",
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RunE: func(cmd *cobra.Command, args []string) error {
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mobycli.Exec(cmd.Root())
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return nil
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},
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Long: longHelp,
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}
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cmd.AddCommand(
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createLocalCommand(),
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createExampleCommand(),
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)
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for _, command := range extraCommands {
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cmd.AddCommand(command())
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}
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flags := cmd.Flags()
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flags.String("description", "", "Description of the context")
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flags.String(
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"default-stack-orchestrator", "",
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"Default orchestrator for stack operations to use with this context (swarm|kubernetes|all)")
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flags.StringToString("docker", nil, "Set the docker endpoint")
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flags.StringToString("kubernetes", nil, "Set the kubernetes endpoint")
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flags.String("from", "", "Create context from a named context")
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return cmd
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}
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func createLocalCommand() *cobra.Command {
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var opts descriptionCreateOpts
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cmd := &cobra.Command{
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Use: "local CONTEXT",
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Short: "Create a context for accessing local engine",
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Args: cobra.ExactArgs(1),
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Hidden: true,
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RunE: func(cmd *cobra.Command, args []string) error {
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return createDockerContext(cmd.Context(), args[0], store.LocalContextType, opts.description, store.LocalContext{})
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},
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}
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addDescriptionFlag(cmd, &opts.description)
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return cmd
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}
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func createExampleCommand() *cobra.Command {
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var opts descriptionCreateOpts
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cmd := &cobra.Command{
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Use: "example CONTEXT",
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Short: "Create a test context returning fixed output",
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Args: cobra.ExactArgs(1),
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Hidden: true,
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RunE: func(cmd *cobra.Command, args []string) error {
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return createDockerContext(cmd.Context(), args[0], store.ExampleContextType, opts.description, store.ExampleContext{})
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},
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}
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addDescriptionFlag(cmd, &opts.description)
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return cmd
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}
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func createDockerContext(ctx context.Context, name string, contextType string, description string, data interface{}) error {
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s := store.ContextStore(ctx)
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result := s.Create(
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name,
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contextType,
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description,
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data,
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)
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fmt.Printf("Successfully created %s context %q\n", contextType, name)
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return result
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}
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func contextExists(ctx context.Context, name string) bool {
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s := store.ContextStore(ctx)
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return s.ContextExists(name)
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}
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func addDescriptionFlag(cmd *cobra.Command, descriptionOpt *string) {
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cmd.Flags().StringVar(descriptionOpt, "description", "", "Description of the context")
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}
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