Merge pull request #275 from QuentinPerez/daily

Daily

Author: moul

Godeps/Godeps.json

@@ -35,8 +35,7 @@ REL_PACKAGES :=	$(subst $(GODIR),./,$(PACKAGES))
 VERSION =	$(shell cat .goxc.json | grep "PackageVersion" | egrep -o "([0-9]{1,}\.)+[0-9]{1,}")
 REV =		$(shell git rev-parse HEAD || echo "nogit")
 TAG =		$(shell git describe --tags --always || echo $(VERSION) || echo "nogit")
-LDFLAGS = "-X github.com/scaleway/scaleway-cli/pkg/scwversion.GITCOMMIT=$(REV) \
-           -X github.com/scaleway/scaleway-cli/pkg/scwversion.VERSION=$(TAG)"
+LDFLAGS = "-X github.com/scaleway/scaleway-cli/pkg/scwversion.GITCOMMIT=$(REV)"
 BUILDER =	scaleway-cli-builder
 
 # Check go version

Makefile

@@ -1157,7 +1157,9 @@ $ scw inspect myserver | jq '.[0].public_ip.address'
 
 ### master (unreleased)
 
+* Add `SCW_NOCHECKVERSION=1` env var to disable the check of scw version
 * Add User-Agent with scw version ([#269](https://github.com/scaleway/scaleway-cli/issues/269))
+* Add daily check to update scw ([#268](https://github.com/scaleway/scaleway-cli/issues/268))
 
 View full [commits list](https://github.com/scaleway/scaleway-cli/compare/v1.7.0...master)
 

README.md

@@ -7,10 +7,15 @@ package cli
 import (
 	"fmt"
 	"io/ioutil"
+	"net/http"
 	"os"
+	"path/filepath"
+	"strings"
+	"time"
 
 	"github.com/Sirupsen/logrus"
 	flag "github.com/docker/docker/pkg/mflag"
+	"github.com/hashicorp/go-version"
 
 	"github.com/scaleway/scaleway-cli/pkg/api"
 	"github.com/scaleway/scaleway-cli/pkg/commands"
@@ -31,14 +36,14 @@ var (
 
 // Start is the entrypoint
 func Start(rawArgs []string, streams *commands.Streams) (int, error) {
+	checkVersion()
 	if streams == nil {
 		streams = &commands.Streams{
 			Stdin:  os.Stdin,
 			Stdout: os.Stdout,
 			Stderr: os.Stderr,
 		}
 	}
-
 	flag.CommandLine.Parse(rawArgs)
 
 	config, cfgErr := config.GetConfig()
@@ -159,3 +164,70 @@ func initLogging(debug bool, verbose bool, streams *commands.Streams) {
 		logrus.SetLevel(logrus.WarnLevel)
 	}
 }
+
+func checkVersion() {
+	if os.Getenv("SCW_NOCHECKVERSION") != "1" {
+		return
+	}
+	homeDir, err := config.GetHomeDir()
+	if err != nil {
+		return
+	}
+	updateFiles := []string{"/var/run/.scw-update", "/tmp/.scw-update", filepath.Join(homeDir, ".scw-update")}
+	updateFile := ""
+
+	callAPI := false
+	for _, file := range updateFiles {
+		if stat, err := os.Stat(file); err == nil {
+			updateFile = file
+			callAPI = stat.ModTime().Before(time.Now().AddDate(0, 0, -1))
+			break
+		}
+	}
+	if updateFile == "" {
+		for _, file := range updateFiles {
+			if scwupdate, err := os.OpenFile(file, os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0600); err == nil {
+				scwupdate.Close()
+				updateFile = file
+				callAPI = true
+				break
+			}
+		}
+	}
+	if callAPI {
+		scwupdate, err := os.OpenFile(updateFile, os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0600)
+		if err != nil {
+			return
+		}
+		scwupdate.Close()
+		req := http.Client{
+			Timeout: time.Duration(1 * time.Second),
+		}
+		resp, err := req.Get("https://fr-1.storage.online.net/scaleway/scaleway-cli/VERSION")
+		if resp != nil {
+			defer resp.Body.Close()
+		}
+		if err != nil {
+			return
+		}
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			return
+		}
+		if scwversion.VERSION == "" {
+			return
+		}
+		ver := scwversion.VERSION
+		if ver[0] == 'v' {
+			ver = string([]byte(ver)[1:])
+		}
+		actual, err1 := version.NewVersion(ver)
+		update, err2 := version.NewVersion(strings.Trim(string(body), "\n"))
+		if err1 != nil || err2 != nil {
+			return
+		}
+		if actual.LessThan(update) {
+			logrus.Infof("A new version of scw is available (%v), beware that you are currently running %v", update, actual)
+		}
+	}
+}