Implement updating for semver_major
This commit is contained in:
161
main.go
161
main.go
@ -1,157 +1,32 @@
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package main
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import (
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"context"
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"encoding/json"
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"net/http"
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"fmt"
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"strings"
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"github.com/docker/docker/api/types"
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//"github.com/sirupsen/logrus" TODO
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"github.com/docker/docker/client"
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)
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type labeledContainer struct {
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container types.Container
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mode VersioningMode
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}
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type Tag struct {
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Creator int `json:"creator"`
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ID int `json:"id"`
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LastUpdated string `json:"last_updated"`
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LastUpdater int `json:"lastUpdater"`
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LastUpdaterUsername string `json:"lastUpdaterUsername"`
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Name string `json:"name"`
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Repository int `json:"repository"`
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FullSize int `json:"full_size"`
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V2 bool `json:"v2"`
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TagStatus string `json:"tag_status"`
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TagLastPulled string `json:"tag_last_pulled"`
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TagLastPushed string `json:"tag_last_pushed"`
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Images []Image `json:images`
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}
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type Image struct {
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Architecture string `json:architecture`
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Features string `json:features`
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Digest string `json:digest`
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OS string `json:linux`
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OSFeatures string `json:os_features`
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Size int `json:size`
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Status string `json:status`
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LastPulled string `json:last_pulled`
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LastPushed string `json:last_pushed`
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//"variant":null,
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//"os_version":null,
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}
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// Extract the repository owner (if any), repository and tag (if any) from a docker image name
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func getImageParts(name string) (*string, string, *string) {
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var repository string
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var owner *string
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var tag *string
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slashIndex := strings.Index(name, "/")
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if slashIndex >= 0 {
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tmp := name[:slashIndex]
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owner = &tmp
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name = name[slashIndex+1:]
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}
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colonIndex := strings.Index(name, ":")
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if colonIndex >= 0 {
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tmp := name[colonIndex+1:]
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tag = &tmp
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repository = name[:colonIndex]
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} else {
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repository = name
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}
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return owner, repository, tag
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}
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func getDockerRepoTags(maybe_owner *string, repository string) []Tag {
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type dockerPollResponse struct {
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Count int `json:"count"`
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Results []Tag `json:"results"`
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}
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owner := "_"
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if maybe_owner != nil {
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owner = *maybe_owner
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}
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url := fmt.Sprintf("https://hub.docker.com/v2/repositories/%s/%s/tags", owner, repository)
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resp, err := http.Get(url)
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if err != nil {
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panic(err)
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}
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var data dockerPollResponse
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err = json.NewDecoder(resp.Body).Decode(&data)
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if err != nil {
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panic(err)
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}
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return data.Results
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}
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func getLabeledContainers(cli *client.Client) []labeledContainer {
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out := make([]labeledContainer, 0)
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containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{})
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if err != nil {
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panic(err)
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}
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fmt.Println("scanning running container labels")
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for _, container := range containers {
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fmt.Printf("- %s %s\n", container.ID[:10], container.Image)
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for k, v := range container.Labels {
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fmt.Printf(" - \"%s\": \"%s\"\n", k, v)
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if k == versioningModeLabel {
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mode := ParseVersioningMode(v)
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if mode == nil {
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fmt.Printf("Failed to parse '%s' as a versioning mode\n", v)
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continue
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}
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lc := labeledContainer{
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container,
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*mode,
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}
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out = append(out, lc)
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continue
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}
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}
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}
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return out
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}
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func main() {
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cli, err := client.NewEnvClient()
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if err != nil {
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panic(err)
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}
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hub, err := anonymousClient()
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if err != nil {
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panic(err)
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}
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labeledContainers := getLabeledContainers(cli)
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fmt.Println()
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for _, lc := range labeledContainers {
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owner, repository, tag := getImageParts(lc.container.Image)
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owner, repository, tag := lc.SplitImageParts()
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if owner != nil {
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fmt.Printf("container image: %s/%s\n", *owner, repository)
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} else {
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fmt.Printf("container image: _/%s\n", repository)
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}
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fmt.Printf(" versioning: %+v\n", lc.mode.Label())
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fmt.Printf(" id: %s\n", lc.container.ImageID)
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fmt.Printf("container image: %s\n", combineImageParts(owner, repository, nil))
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fmt.Printf(" versioning: %+v\n", lc.Mode.Label())
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fmt.Printf(" id: %s\n", lc.Container.ImageID)
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if tag != nil {
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fmt.Printf(" current tag: %s\n", *tag)
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@ -160,15 +35,27 @@ func main() {
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continue
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}
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repoTags := getDockerRepoTags(owner, repository)
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repoTags, err := getDockerRepoTags(hub, owner, repository)
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if err != nil {
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panic(err)
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}
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fmt.Println(" tags in registry:")
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for _, tag := range repoTags {
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fmt.Printf(" - \"%s\"\n", tag.Name)
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fmt.Printf(" - \"%s\" %s\n", tag.Name, tag.Digest)
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svt := parseTagAsSemVer(tag.Name)
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if svt != nil {
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fmt.Printf(" semver: true\n")
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}
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}
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shouldUpdateTo := lc.Mode.ShouldUpdate(*tag, repoTags)
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if shouldUpdateTo != nil {
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fmt.Printf(" updating to: %s\n", shouldUpdateTo.Name)
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err = lc.UpdateTo(cli, *shouldUpdateTo)
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if err != nil {
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panic(err)
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}
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}
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}
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}
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