refactor: Move CLI commands into their own files (#254)

Signed-off-by: jannfis <jann@mistrust.net>

1 files changed, 65 insertions, 0 deletions

diff --git a/cmd/template.go b/cmd/template.go
new file mode 100644
index 0000000..c73fd30
--- /dev/null
+++ b/cmd/template.go
@@ -0,0 +1,65 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"text/template"
+	"time"
+
+	"github.com/argoproj-labs/argocd-image-updater/pkg/argocd"
+	"github.com/argoproj-labs/argocd-image-updater/pkg/common"
+	"github.com/argoproj-labs/argocd-image-updater/pkg/image"
+	"github.com/argoproj-labs/argocd-image-updater/pkg/log"
+	"github.com/argoproj-labs/argocd-image-updater/pkg/tag"
+
+	"github.com/spf13/cobra"
+)
+
+func newTemplateCommand() *cobra.Command {
+	var (
+		commitMessageTemplatePath string
+		tplStr                    string
+	)
+	var runCmd = &cobra.Command{
+		Use:   "template [<PATH>]",
+		Short: "Test & render a commit message template",
+		Long: `
+The template command lets you validate your commit message template. It will
+parse the template at given PATH and execute it with a defined set of changes
+so that you can see how it looks like when being templated by Image Updater.
+
+If PATH is not given, will show you the default message that is used.
+`,
+		Run: func(cmd *cobra.Command, args []string) {
+			var tpl *template.Template
+			var err error
+			if len(args) != 1 {
+				tplStr = common.DefaultGitCommitMessage
+			} else {
+				commitMessageTemplatePath = args[0]
+				tplData, err := ioutil.ReadFile(commitMessageTemplatePath)
+				if err != nil {
+					log.Fatalf("%v", err)
+				}
+				tplStr = string(tplData)
+			}
+			if tpl, err = template.New("commitMessage").Parse(tplStr); err != nil {
+				log.Fatalf("could not parse commit message template: %v", err)
+			}
+			chL := []argocd.ChangeEntry{
+				{
+					Image:  image.NewFromIdentifier("gcr.io/example/example:1.0.0"),
+					OldTag: tag.NewImageTag("1.0.0", time.Now(), ""),
+					NewTag: tag.NewImageTag("1.0.1", time.Now(), ""),
+				},
+				{
+					Image:  image.NewFromIdentifier("gcr.io/example/updater@sha256:f2ca1bb6c7e907d06dafe4687e579fce76b37e4e93b7605022da52e6ccc26fd2"),
+					OldTag: tag.NewImageTag("", time.Now(), "sha256:01d09d19c2139a46aebfb577780d123d7396e97201bc7ead210a2ebff8239dee"),
+					NewTag: tag.NewImageTag("", time.Now(), "sha256:7aa7a5359173d05b63cfd682e3c38487f3cb4f7f1d60659fe59fab1505977d4c"),
+				},
+			}
+			fmt.Printf("%s\n", argocd.TemplateCommitMessage(tpl, "example-app", chL))
+		},
+	}
+	return runCmd
+}