add check for latest available version

cmd/preflight/cmd/root.go

@@ -34,6 +34,10 @@ func rootCmd() *cobra.Command {
 		PersistentPreRun: preRunConfig,
 	}
 
+	//TODO: Ensure this is non-blocking
+	//TODO: Find appropriate place for the check to happen
+	version.Version.CheckForLatestAvailableVersion()
+
 	viper := viper.Instance()
 	rootCmd.PersistentFlags().String("config", "", "A preflight config file. The default is config.yaml (env: PFLT_CONFIG)")
 	_ = viper.BindPFlag("config", rootCmd.PersistentFlags().Lookup("config"))

go.mod

@@ -9,6 +9,8 @@ require (
 	github.com/glebarez/go-sqlite v1.21.2
 	github.com/go-logr/logr v1.2.4
 	github.com/google/go-containerregistry v0.15.2
+	github.com/google/go-github/v57 v57.0.0
+	github.com/hashicorp/go-version v1.2.1
 	github.com/knqyf263/go-rpmdb v0.0.0-20230517124904-b97c85e63254
 	github.com/onsi/ginkgo/v2 v2.12.1
 	github.com/onsi/gomega v1.28.0
@@ -81,7 +83,8 @@ require (
 	github.com/google/btree v1.0.1 // indirect
 	github.com/google/cel-go v0.15.3 // indirect
 	github.com/google/gnostic v0.5.7-v3refs // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26 // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect

go.sum

@@ -440,12 +440,16 @@ github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-containerregistry v0.15.2 h1:MMkSh+tjSdnmJZO7ljvEqV1DjfekB6VUEAZgy3a+TQE=
 github.com/google/go-containerregistry v0.15.2/go.mod h1:wWK+LnOv4jXMM23IT/F1wdYftGWGr47Is8CG+pmHK1Q=
 github.com/google/go-github/v35 v35.0.1-0.20210421135231-b235769d1606/go.mod h1:s0515YVTI+IMrDoy9Y4pHt9ShGpzHvHO8rZ7L7acgvs=
+github.com/google/go-github/v57 v57.0.0 h1:L+Y3UPTY8ALM8x+TV0lg+IEBI+upibemtBD8Q9u7zHs=
+github.com/google/go-github/v57 v57.0.0/go.mod h1:s0omdnye0hvK/ecLvpsGfJMiRt85PimQh4oygmLIxHw=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
+github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
+github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/google/go-replayers/grpcreplay v1.0.0/go.mod h1:8Ig2Idjpr6gifRd6pNVggX6TC1Zw6Jx74AKp7QNH2QE=
 github.com/google/go-replayers/httpreplay v0.1.2/go.mod h1:YKZViNhiGgqdBlUbI2MwGpq4pXxNmhJLPHQ7cv2b5no=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
@@ -530,6 +534,7 @@ github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerX
 github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4=
 github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/go-version v1.2.1 h1:zEfKbn2+PDgroKdiOzqiE8rsmLqU2uwi5PB5pBJ3TkI=
 github.com/hashicorp/go-version v1.2.1/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=

version/version.go

@@ -2,7 +2,16 @@
 // describing the preflight project.
 package version
 
-import "fmt"
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/google/go-github/v57/github"
+	semvc "github.com/hashicorp/go-version"
+)
 
 var (
 	projectName = "github.com/redhat-openshift-ecosystem/openshift-preflight"
@@ -25,3 +34,22 @@ type VersionContext struct {
 func (vc *VersionContext) String() string {
 	return fmt.Sprintf("%s <commit: %s>", vc.Version, vc.Commit)
 }
+
+func (vc *VersionContext) CheckForLatestAvailableVersion() {
+	projectTokens := strings.Split(vc.Name, "/")
+	owner := projectTokens[1]
+	repo := projectTokens[2]
+	client := github.NewClient(&http.Client{
+		// timeout in 1s in case github has an issue
+		Timeout: time.Second * 1,
+	})
+	latestRelease, _, err := client.Repositories.GetLatestRelease(context.Background(), owner, repo)
+	if err != nil {
+		return
+	}
+	currentVersion, err := semvc.NewVersion(vc.Version)
+	latestVersion, err := semvc.NewVersion(*latestRelease.TagName)
+	if currentVersion.LessThan(latestVersion) {
+		fmt.Println("New version", latestVersion.String(), "available at", *latestRelease.HTMLURL)
+	}
+}