92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
package client // import "github.com/docker/docker/client"
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import (
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"context"
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"encoding/json"
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"net/url"
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"strconv"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/swarm"
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)
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// ServiceUpdate updates a Service.
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func (cli *Client) ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
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var (
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query = url.Values{}
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distErr error
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)
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headers := map[string][]string{
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"version": {cli.version},
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}
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if options.EncodedRegistryAuth != "" {
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headers["X-Registry-Auth"] = []string{options.EncodedRegistryAuth}
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}
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if options.RegistryAuthFrom != "" {
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query.Set("registryAuthFrom", options.RegistryAuthFrom)
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}
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if options.Rollback != "" {
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query.Set("rollback", options.Rollback)
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}
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query.Set("version", strconv.FormatUint(version.Index, 10))
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if err := validateServiceSpec(service); err != nil {
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return types.ServiceUpdateResponse{}, err
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}
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var imgPlatforms []swarm.Platform
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// ensure that the image is tagged
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if service.TaskTemplate.ContainerSpec != nil {
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if taggedImg := imageWithTagString(service.TaskTemplate.ContainerSpec.Image); taggedImg != "" {
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service.TaskTemplate.ContainerSpec.Image = taggedImg
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}
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if options.QueryRegistry {
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var img string
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img, imgPlatforms, distErr = imageDigestAndPlatforms(ctx, cli, service.TaskTemplate.ContainerSpec.Image, options.EncodedRegistryAuth)
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if img != "" {
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service.TaskTemplate.ContainerSpec.Image = img
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}
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}
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}
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// ensure that the image is tagged
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if service.TaskTemplate.PluginSpec != nil {
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if taggedImg := imageWithTagString(service.TaskTemplate.PluginSpec.Remote); taggedImg != "" {
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service.TaskTemplate.PluginSpec.Remote = taggedImg
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}
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if options.QueryRegistry {
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var img string
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img, imgPlatforms, distErr = imageDigestAndPlatforms(ctx, cli, service.TaskTemplate.PluginSpec.Remote, options.EncodedRegistryAuth)
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if img != "" {
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service.TaskTemplate.PluginSpec.Remote = img
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}
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}
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}
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if service.TaskTemplate.Placement == nil && len(imgPlatforms) > 0 {
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service.TaskTemplate.Placement = &swarm.Placement{}
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}
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if len(imgPlatforms) > 0 {
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service.TaskTemplate.Placement.Platforms = imgPlatforms
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}
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var response types.ServiceUpdateResponse
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resp, err := cli.post(ctx, "/services/"+serviceID+"/update", query, service, headers)
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if err != nil {
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return response, err
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}
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err = json.NewDecoder(resp.body).Decode(&response)
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if distErr != nil {
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response.Warnings = append(response.Warnings, digestWarning(service.TaskTemplate.ContainerSpec.Image))
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}
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ensureReaderClosed(resp)
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return response, err
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}
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