138 lines
2.6 KiB
Go
138 lines
2.6 KiB
Go
package buildx
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import (
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"errors"
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"os"
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"github.com/drone/envsubst"
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"gopkg.in/yaml.v3"
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)
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func subst(ref *string) error {
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result, err := envsubst.EvalEnv(*ref)
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*ref = result
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return err
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}
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func defaultValue(ref *string, value string) {
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if *ref == "" {
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*ref = value
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}
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}
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func LoadJob(path string) (*Job, error) {
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var job Job
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file, err := os.ReadFile(path)
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if err != nil {
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return nil, err
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}
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err = yaml.Unmarshal(file, &job)
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if err != nil {
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return nil, err
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}
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// check for empty fields
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// registry
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if job.Registries == nil {
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job.Registries = []string{"docker.io"}
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}
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// repos
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for i, repo := range job.Repositories {
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if repo.Name == "" {
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return nil, errors.New("missing repository name")
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}
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if repo.Library == "" {
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return nil, errors.New("missing library")
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}
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defaultValue(&job.Repositories[i].Path, repo.Name)
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// builds
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for j := range job.Repositories[i].Builds {
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defaultValue(&job.Repositories[i].Builds[j].Context, ".")
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defaultValue(&job.Repositories[i].Builds[j].Dockerfile, "Dockerfile")
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}
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}
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// envsubst
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// registries
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for i := range job.Registries {
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if err = subst(&job.Registries[i]); err != nil {
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return nil, err
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}
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}
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// repos
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for i := range job.Repositories {
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// name
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if err = subst(&job.Repositories[i].Name); err != nil {
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return nil, err
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}
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// library
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if err = subst(&job.Repositories[i].Library); err != nil {
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return nil, err
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}
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// path
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if err = subst(&job.Repositories[i].Path); err != nil {
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return nil, err
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}
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// global args
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for j := range job.Repositories[i].GlobalArguments {
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// key
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if err = subst(&job.Repositories[i].GlobalArguments[j].Key); err != nil {
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return nil, err
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}
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// value
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if err = subst(&job.Repositories[i].GlobalArguments[j].Value); err != nil {
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return nil, err
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}
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}
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// tags
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for j := range job.Repositories[i].Tags {
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// name
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if err = subst(&job.Repositories[i].Tags[j].Name); err != nil {
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return nil, err
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}
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// tags
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for u := range job.Repositories[i].Tags[j].Tags {
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if err = subst(&job.Repositories[i].Tags[j].Tags[u]); err != nil {
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return nil, err
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}
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}
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}
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// builds
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for j := range job.Repositories[i].Builds {
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// arch
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if err = subst(&job.Repositories[i].Builds[j].Architecture); err != nil {
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return nil, err
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}
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// dockerfile
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if err = subst(&job.Repositories[i].Builds[j].Dockerfile); err != nil {
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return nil, err
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}
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// tags
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for u := range job.Repositories[i].Builds[j].Tags {
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if err = subst(&job.Repositories[i].Builds[j].Tags[u]); err != nil {
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return nil, err
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}
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}
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}
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}
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return &job, err
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}
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