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feat: Starting to add docker support
Signed-off-by: Vincent Boutour <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| package docker | ||
|
|
||
| import ( | ||
| "context" | ||
| "flag" | ||
| "fmt" | ||
| "net/url" | ||
| "strings" | ||
|
|
||
| "github.com/ViBiOh/httputils/v4/pkg/flags" | ||
| "github.com/ViBiOh/httputils/v4/pkg/httpjson" | ||
| "github.com/ViBiOh/httputils/v4/pkg/request" | ||
| "github.com/ViBiOh/ketchup/pkg/model" | ||
| "github.com/ViBiOh/ketchup/pkg/semver" | ||
| ) | ||
|
|
||
| type authResponse struct { | ||
| AccessToken string `json:"access_token"` | ||
| } | ||
|
|
||
| type tagsResponse struct { | ||
| Tags []string `json:"tags"` | ||
| } | ||
|
|
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| // App of package | ||
| type App interface { | ||
| LatestVersions(string, []string) (map[string]semver.Version, error) | ||
| } | ||
|
|
||
| // Config of package | ||
| type Config struct { | ||
| registryURL *string | ||
| authURL *string | ||
| username *string | ||
| password *string | ||
| } | ||
|
|
||
| type app struct { | ||
| registryURL string | ||
| authURL string | ||
| username string | ||
| password string | ||
| } | ||
|
|
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| // Flags adds flags for configuring package | ||
| func Flags(fs *flag.FlagSet, prefix string, overrides ...flags.Override) Config { | ||
| return Config{ | ||
| registryURL: flags.New(prefix, "FlagPrefix").Name("Registry").Default(flags.Default("Registry", "https://index.docker.io/v2/", overrides)).Label("Registry API URL").ToString(fs), | ||
| authURL: flags.New(prefix, "FlagPrefix").Name("OAuth URL").Default(flags.Default("Registry", "https://auth.docker.io/token", overrides)).Label("Registry API URL").ToString(fs), | ||
| username: flags.New(prefix, "FlagPrefix").Name("Username").Default(flags.Default("Username", "", overrides)).Label("Registry Username").ToString(fs), | ||
| password: flags.New(prefix, "FlagPrefix").Name("Password").Default(flags.Default("Password", "", overrides)).Label("Registry Password").ToString(fs), | ||
| } | ||
| } | ||
|
|
||
| // New creates new App from Config | ||
| func New(config Config) App { | ||
| return app{ | ||
| registryURL: strings.TrimSpace(*config.registryURL), | ||
| authURL: strings.TrimSpace(*config.authURL), | ||
| username: strings.TrimSpace(*config.username), | ||
| password: strings.TrimSpace(*config.password), | ||
| } | ||
| } | ||
|
|
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| func (a app) LatestVersions(repository string, patterns []string) (map[string]semver.Version, error) { | ||
| ctx := context.Background() | ||
|
|
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| versions, compiledPatterns, err := model.PreparePatternMatching(patterns) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to prepare pattern matching: %s", err) | ||
| } | ||
|
|
||
| bearerToken, err := a.login(ctx, repository) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to login to registry: %s", err) | ||
| } | ||
|
|
||
| resp, err := request.New().Get(fmt.Sprintf("%s%s/tags/list", a.registryURL, repository)).Header("Authorization", fmt.Sprintf("Bearer %s", bearerToken)).Send(ctx, nil) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to fetch tags: %s", err) | ||
| } | ||
|
|
||
| var tagsContent tagsResponse | ||
| if err := httpjson.Read(resp, &tagsContent, "docker-tags"); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| for _, tag := range tagsContent.Tags { | ||
| tagVersion, err := semver.Parse(tag) | ||
| if err != nil { | ||
| continue | ||
| } | ||
|
|
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| model.CheckPatternsMatching(versions, compiledPatterns, tagVersion) | ||
| } | ||
|
|
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| return versions, nil | ||
| } | ||
|
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| func (a app) login(ctx context.Context, repository string) (string, error) { | ||
| values := url.Values{} | ||
| values.Set("grant_type", "password") | ||
| values.Set("service", "registry.docker.io") | ||
| values.Set("client_id", "ketchup") | ||
| values.Set("scope", fmt.Sprintf("repository:%s:pull", repository)) | ||
| values.Set("username", a.username) | ||
| values.Set("password", a.password) | ||
|
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| resp, err := request.New().Post(a.authURL).Form(ctx, values) | ||
| if err != nil { | ||
| return "", fmt.Errorf("unable to authenticate to `%s`: %s", a.authURL, err) | ||
| } | ||
|
|
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| var authContent authResponse | ||
| if err := httpjson.Read(resp, &authContent, "docker-login"); err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return authContent.AccessToken, nil | ||
| } |
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