feat: support to show version info when manager-api starting (#900)

fix #866
fix #853

api/VERSION

@@ -0,0 +1 @@
+v2.1-rc1

api/build.sh

@@ -19,6 +19,9 @@ set -ex
 export ENV=local
 pwd=`pwd`
 
+VERSION=$(cat ./api/VERSION)
+GIT_VERSION=$(git log -1 --pretty=format:%h)
+
 rm -rf output && mkdir -p output/conf && mkdir -p output/dag-to-lua
 
 # get dag-to-lua lib
@@ -29,7 +32,7 @@ if [[ ! -f "dag-to-lua-1.1/lib/dag-to-lua.lua" ]]; then
 fi
 
 # build
-cd ./api && go build -o ../output/manager-api . && cd ..
+cd ./api && go build -o ../output/manager-api -ldflags "-X main.Version=${VERSION}(${GIT_VERSION})" . && cd ..
 
 cp ./api/conf/schema.json ./output/conf/schema.json
 cp ./api/conf/conf.yaml ./output/conf/conf.yaml

api/main.go

@@ -36,6 +36,16 @@ import (
 	"github.com/apisix/manager-api/log"
 )
 
+var Version string
+
+func printInfo() {
+	fmt.Fprint(os.Stdout, "The manager-api is running successfully!\n\n")
+	fmt.Fprintf(os.Stdout, "%-8s: %s\n", "Version", Version)
+	fmt.Fprintf(os.Stdout, "%-8s: %s:%d\n", "Listen", conf.ServerHost, conf.ServerPort)
+	fmt.Fprintf(os.Stdout, "%-8s: %s\n", "Loglevel", conf.ErrorLogLevel)
+	fmt.Fprintf(os.Stdout, "%-8s: %s\n\n", "Logfile", conf.ErrorLogPath)
+}
+
 func main() {
 	droplet.Option.Orchestrator = func(mws []droplet.Middleware) []droplet.Middleware {
 		var newMws []droplet.Middleware
@@ -76,6 +86,8 @@ func main() {
 		}
 	}()
 
+	printInfo()
+
 	sig := <-quit
 	log.Infof("The Manager API server receive %s and start shutting down", sig.String())
 

api/test/shell/cli_test.sh

@@ -18,6 +18,7 @@
 #
 
 set -ex
+VERSION=$(cat ./VERSION)
 
 clean_up() {
     git checkout conf/conf.yaml
@@ -39,7 +40,7 @@ clean_logfile() {
 trap clean_up EXIT
 
 export GO111MODULE=on
-go build -o ./manager-api .
+go build -o ./manager-api -ldflags "-X main.Version=${VERSION}" .
 
 # default level: warn, path: logs/error.log
 
@@ -94,6 +95,36 @@ if [[ `grep -c "INFO" ./error.log` -eq '0' ]]; then
     exit 1
 fi
 
+
+# test start info
+
+LOGLEVEL=$(cat conf/conf.yaml | awk '$1=="level:"{print $2}')
+HOST=$(cat conf/conf.yaml | awk '$1=="host:"{print $2}')
+PORT=$(cat conf/conf.yaml | awk '$1=="port:"{print $2}')
+STDOUT=/tmp/manager-api
+./manager-api &>/tmp/manager-api &
+sleep 3
+
+if [[ `grep -c "The manager-api is running successfully\!" ${STDOUT}` -ne '1' ]]; then
+    echo "failed: the manager server didn't show started info"
+    exit 1
+fi
+
+if [[ `grep -c "${VERSION}" ${STDOUT}` -ne '1' ]]; then
+    echo "failed: the manager server didn't show started info"
+    exit 1
+fi
+
+if [[ `grep -c "${LOGLEVEL}" ${STDOUT}` -ne '1' ]]; then
+    echo "failed: the manager server didn't show started info"
+    exit 1
+fi
+
+if [[ `grep -c "${HOST}:${PORT}" ${STDOUT}` -ne '1' ]]; then
+    echo "failed: the manager server didn't show started info"
+    exit 1
+fi
+
 # set an invalid etcd endpoint
 
 clean_up