Merge pull request #103 from giusdp/main

feat: add operator version check

prepare.go

@@ -21,6 +21,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strings"
 
 	"github.com/Masterminds/semver"
 	git "github.com/go-git/go-git/v5"
@@ -136,13 +137,21 @@ func pullTasks(force, silent bool) error {
 
 	// check if the version is up to date, if not warn the user
 	if nuvVersion.LessThan(nuvRootVersion) {
+		fmt.Println()
 		fmt.Printf("Your nuv version (%v) is older than the required version in nuvroot.json (%v).\n", nuvVersion, nuvRootVersion)
 		fmt.Println("Attempting to update nuv...")
 		if err := autoCLIUpdate(); err != nil {
 			return err
 		}
 	}
 
+	err = checkOperatorVersion(nuvRoot.Config)
+	if err == nil {
+		fmt.Println()
+		fmt.Println("New operator version detected!")
+		fmt.Println("Current deployed operator can be updated with: nuv update operator")
+	}
+
 	return nil
 }
 
@@ -209,8 +218,19 @@ func locateNuvRootSearch(cur string) string {
 }
 
 func autoCLIUpdate() error {
+	trace("autoCLIUpdate")
 	cmd := exec.Command("nuv", "update", "cli")
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
 	return cmd.Run()
 }
+
+func checkOperatorVersion(nuvRootConfig map[string]interface{}) error {
+	trace("checkOperatorVersion")
+	images := nuvRootConfig["images"].(map[string]interface{})
+	operator := images["operator"].(string)
+	opVer := strings.Split(operator, ":")[1]
+
+	cmd := exec.Command("nuv", "util", "check-operator-version", opVer)
+	return cmd.Run()
+}

tools/needupdate.go

@@ -18,7 +18,6 @@
 package tools
 
 import (
-	"errors"
 	"flag"
 	"fmt"
 
@@ -29,8 +28,8 @@ func needUpdateTool(args []string) error {
 
 	flag := flag.NewFlagSet("needupdate", flag.ExitOnError)
 	flag.Usage = func() {
-		fmt.Println(`Check if a semver version is greater than another semver version.
-Returns 0 if greater, 1 otherwise.
+		fmt.Println(`Check if a semver version A > semver version B.
+Exits with 0 if greater, 1 otherwise.
 
 Usage:
   nuv -needupdate <versionA> <versionB>
@@ -73,5 +72,5 @@ Options:`)
 		return nil
 	}
 
-	return errors.New("a <= b")
+	return fmt.Errorf("%s is not greater than %s", a, b)
 }