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100 lines
3 KiB
Go
100 lines
3 KiB
Go
package service
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import (
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"fmt"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/cli/command"
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"github.com/spf13/cobra"
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"golang.org/x/net/context"
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)
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func newCreateCommand(dockerCli *command.DockerCli) *cobra.Command {
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opts := newServiceOptions()
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cmd := &cobra.Command{
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Use: "create [OPTIONS] IMAGE [COMMAND] [ARG...]",
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Short: "Create a new service",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.image = args[0]
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if len(args) > 1 {
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opts.args = args[1:]
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}
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return runCreate(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.StringVar(&opts.mode, flagMode, "replicated", "Service mode (replicated or global)")
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flags.StringVar(&opts.name, flagName, "", "Service name")
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addServiceFlags(cmd, opts)
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flags.VarP(&opts.labels, flagLabel, "l", "Service labels")
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flags.Var(&opts.containerLabels, flagContainerLabel, "Container labels")
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flags.VarP(&opts.env, flagEnv, "e", "Set environment variables")
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flags.Var(&opts.envFile, flagEnvFile, "Read in a file of environment variables")
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flags.Var(&opts.mounts, flagMount, "Attach a filesystem mount to the service")
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flags.Var(&opts.constraints, flagConstraint, "Placement constraints")
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flags.Var(&opts.networks, flagNetwork, "Network attachments")
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flags.Var(&opts.secrets, flagSecret, "Specify secrets to expose to the service")
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flags.VarP(&opts.endpoint.publishPorts, flagPublish, "p", "Publish a port as a node port")
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flags.Var(&opts.groups, flagGroup, "Set one or more supplementary user groups for the container")
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flags.Var(&opts.dns, flagDNS, "Set custom DNS servers")
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flags.Var(&opts.dnsOption, flagDNSOption, "Set DNS options")
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flags.Var(&opts.dnsSearch, flagDNSSearch, "Set custom DNS search domains")
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flags.Var(&opts.hosts, flagHost, "Set one or more custom host-to-IP mappings (host:ip)")
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flags.SetInterspersed(false)
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return cmd
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}
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func runCreate(dockerCli *command.DockerCli, opts *serviceOptions) error {
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apiClient := dockerCli.Client()
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createOpts := types.ServiceCreateOptions{}
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service, err := opts.ToService()
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if err != nil {
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return err
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}
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specifiedSecrets := opts.secrets.Value()
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if len(specifiedSecrets) > 0 {
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// parse and validate secrets
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secrets, err := ParseSecrets(apiClient, specifiedSecrets)
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if err != nil {
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return err
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}
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service.TaskTemplate.ContainerSpec.Secrets = secrets
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}
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ctx := context.Background()
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if err := resolveServiceImageDigest(dockerCli, &service); err != nil {
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return err
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}
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// only send auth if flag was set
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if opts.registryAuth {
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// Retrieve encoded auth token from the image reference
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encodedAuth, err := command.RetrieveAuthTokenFromImage(ctx, dockerCli, opts.image)
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if err != nil {
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return err
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}
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createOpts.EncodedRegistryAuth = encodedAuth
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}
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response, err := apiClient.ServiceCreate(ctx, service, createOpts)
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if err != nil {
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return err
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}
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for _, warning := range response.Warnings {
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fmt.Fprintln(dockerCli.Err(), warning)
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}
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fmt.Fprintf(dockerCli.Out(), "%s\n", response.ID)
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return nil
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}
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