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Implement option to add image labels and generate automatic labels (#19)

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Fixes #16

Results into labels:
![attels](/attachments/3aa6641e-fe50-4e28-be97-64c0afe2c35a)

Co-authored-by: Lauris BH <lauris@nix.lv>
Reviewed-on: https://codeberg.org/woodpecker-plugins/plugin-docker-buildx/pulls/19
Reviewed-by: 6543 <6543@obermui.de>
Co-authored-by: Lauris BH <lafriks@noreply.codeberg.org>
Co-committed-by: Lauris BH <lafriks@noreply.codeberg.org>
This commit is contained in:
Lauris BH
2022-09-28 02:16:57 +02:00
committed by 6543
parent 8a0424c7a5
commit be7d7c0244
5 changed files with 56 additions and 0 deletions
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4
plugin/docker.go
View File

@@ -126,6 +126,10 @@ func commandBuild(build Build, dryrun bool) *exec.Cmd {
args = append(args, "-t", fmt.Sprintf("%s:%s", build.Repo, arg))
}
for _, l := range build.Labels.Value() {
args = append(args, "--label", l)
}
return exec.Command(dockerExe, args...)
}

5
plugin/impl.go
View File

@@ -49,6 +49,8 @@ type Build struct {
TagsAuto bool // Docker build auto tag
TagsSuffix string // Docker build tags with suffix
Tags cli.StringSlice // Docker build tags
LabelsAuto bool // Docker build auto labels
Labels cli.StringSlice // Docker build labels
Platforms cli.StringSlice // Docker build target platforms
Args cli.StringSlice // Docker build args
ArgsEnv cli.StringSlice // Docker build args from env
@@ -98,6 +100,9 @@ func (p *Plugin) Validate() error {
return nil
}
}
if p.settings.Build.LabelsAuto {
p.settings.Build.Labels = *cli.NewStringSlice(p.Labels()...)
}
return nil
}

32
plugin/labels.go Normal file
View File

@@ -0,0 +1,32 @@
package plugin
import (
"fmt"
"strings"
"time"
"github.com/coreos/go-semver/semver"
)
// Labels returns list of labels to use for image
func (p *Plugin) Labels() []string {
l := p.settings.Build.Labels.Value()
// As described in https://github.com/opencontainers/image-spec/blob/main/annotations.md
l = append(l, fmt.Sprintf("org.opencontainers.image.created=%s", time.Now().UTC().Format(time.RFC3339)))
if p.settings.Build.Remote != "" {
l = append(l, fmt.Sprintf("org.opencontainers.image.source=%s", p.settings.Build.Remote))
}
if p.pipeline.Repo.Link != "" {
l = append(l, fmt.Sprintf("org.opencontainers.image.url=%s", p.pipeline.Repo.Link))
}
if p.pipeline.Commit.SHA != "" {
l = append(l, fmt.Sprintf("org.opencontainers.image.revision=%s", p.pipeline.Commit.SHA))
}
if p.settings.Build.Ref != "" && strings.HasPrefix(p.settings.Build.Ref, "refs/tags/") {
v, err := semver.NewVersion(strings.TrimPrefix(p.settings.Build.Ref[10:], "v"))
if err == nil && v != nil {
l = append(l, fmt.Sprintf("org.opencontainers.image.version=%s", v.String()))
}
}
return l
}