047fac2a0a
* * image build in cluster now use InitContainer to do the image building inside pods, which invoke docker again node's docker daemon * create a docker build image tool fx/contrib/docker_packer * clean up no need env in GitHub action workflow * bump version
92 lines
2.1 KiB
Go
92 lines
2.1 KiB
Go
package packer
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"encoding/base64"
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"encoding/json"
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"github.com/gobuffalo/packr"
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"github.com/metrue/fx/types"
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"github.com/metrue/fx/utils"
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)
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// Packer interface
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type Packer interface {
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Pack(serviceName string, fn types.Func) (types.Project, error)
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}
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// Pack a function to be a docker project which is web service, handle the imcome request with given function
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func Pack(svcName string, fn types.Func) (types.Project, error) {
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box := packr.NewBox("./images")
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pkr := NewDockerPacker(box)
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return pkr.Pack(svcName, fn)
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}
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// PackIntoDir pack service code into directory
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func PackIntoDir(fn types.Func, outputDir string) error {
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project, err := Pack("", fn)
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if err != nil {
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return err
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}
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for _, file := range project.Files {
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tmpfn := filepath.Join(outputDir, file.Path)
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if err := utils.EnsureFile(tmpfn); err != nil {
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return err
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}
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if err := ioutil.WriteFile(tmpfn, []byte(file.Body), 0666); err != nil {
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return err
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}
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}
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return nil
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}
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// PackIntoK8SConfigMapFile pack function a K8S config map file
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func PackIntoK8SConfigMapFile(fn types.Func) (string, error) {
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project, err := Pack("", fn)
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if err != nil {
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return "", err
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}
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tree := map[string]string{}
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for _, file := range project.Files {
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tree[file.Path] = file.Body
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}
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data, err := json.Marshal(tree)
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if err != nil {
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return "", err
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}
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return base64.StdEncoding.WithPadding(base64.StdPadding).EncodeToString(data), nil
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}
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// TreeToDir restore to docker project
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func TreeToDir(tree map[string]string, outputDir string) error {
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for k, v := range tree {
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fn := filepath.Join(outputDir, k)
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if err := utils.EnsureFile(fn); err != nil {
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return err
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}
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if err := ioutil.WriteFile(fn, []byte(v), 0666); err != nil {
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return err
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}
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}
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return nil
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}
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// PackIntoTar pack service code into directory
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func PackIntoTar(fn types.Func, path string) error {
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tarDir, err := ioutil.TempDir("/tmp", "fx-tar")
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if err != nil {
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return err
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}
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defer os.RemoveAll(tarDir)
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if err := PackIntoDir(fn, tarDir); err != nil {
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return err
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}
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return utils.TarDir(tarDir, path)
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}
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