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versionstreamer.go
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versionstreamer.go
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package versionstreamer
import (
"fmt"
"path/filepath"
jxcore "github.com/jenkins-x/jx-api/v4/pkg/apis/core/v4beta1"
"github.com/jenkins-x/jx-helpers/v3/pkg/cmdrunner"
"github.com/jenkins-x/jx-helpers/v3/pkg/files"
"github.com/jenkins-x/jx-helpers/v3/pkg/versionstream"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// Options the options for the command
type Options struct {
Dir string
VersionStreamDir string
VersionStreamURL string
VersionStreamRef string
CommandRunner cmdrunner.CommandRunner
QuietCommandRunner cmdrunner.CommandRunner
Requirements *jxcore.RequirementsConfig
RequirementsFileName string
Resolver *versionstream.VersionResolver
}
func (o *Options) AddFlags(cmd *cobra.Command) {
cmd.Flags().StringVarP(&o.Dir, "dir", "d", ".", "the directory that contains the jx-requirements.yml")
cmd.Flags().StringVarP(&o.VersionStreamDir, "version-stream-dir", "", "", "the directory for the version stream. Defaults to 'versionStream' in the current --dir")
}
// Validate validates the options and populates any missing values
func (o *Options) Validate() error {
var err error
if o.Requirements == nil {
var requirementsResource *jxcore.Requirements
requirementsResource, o.RequirementsFileName, err = jxcore.LoadRequirementsConfig(o.Dir, false)
if err != nil {
return errors.Wrapf(err, "failed to load jx-requirements.yml")
}
o.Requirements = &requirementsResource.Spec
}
if o.VersionStreamDir == "" {
o.VersionStreamDir = filepath.Join(o.Dir, "versionStream")
}
if o.CommandRunner == nil {
o.CommandRunner = cmdrunner.DefaultCommandRunner
}
if o.QuietCommandRunner == nil {
o.QuietCommandRunner = cmdrunner.QuietCommandRunner
}
err = o.ResolveVersionStream()
if err != nil {
return errors.Wrapf(err, "failed to resolve the version stream")
}
if o.Resolver == nil {
o.Resolver = &versionstream.VersionResolver{
VersionsDir: o.VersionStreamDir,
}
}
return nil
}
// ResolveVersionStream verifies there is a valid version stream and if not resolves it via kpt
func (o *Options) ResolveVersionStream() error {
chartsDir := filepath.Join(o.VersionStreamDir, "charts")
exists, err := files.DirExists(chartsDir)
if err != nil {
return errors.Wrapf(err, "failed to check version stream dir exists %s", chartsDir)
}
if exists {
return nil
}
versionStreamPath, err := filepath.Rel(o.Dir, o.VersionStreamDir)
if err != nil {
return errors.Wrapf(err, "failed to get relative path of version stream %s in %s", o.VersionStreamDir, o.Dir)
}
// lets use kpt to copy the values file from the version stream locally
c := &cmdrunner.Command{
Dir: o.Dir,
Name: "kpt",
Args: []string{
"pkg",
"get",
fmt.Sprintf("%s/@%s", o.VersionStreamURL, o.VersionStreamRef),
versionStreamPath,
},
}
_, err = o.CommandRunner(c)
if err != nil {
return errors.Wrapf(err, "failed to resolve version stream %s ref %s using kpt", o.VersionStreamURL, o.VersionStreamRef)
}
return nil
}