Remove namespace env var (#146)

issue #141 - Remove namespace env var from service api including source code, dockerfile and deployment.

deploy/katlas-service.yaml

@@ -34,8 +34,6 @@ spec:
     spec:
       containers:
       - env:
-        - name: ENV_NAMESPACE
-          value: default
         - name: SERVER_TYPE
           value: http
         - name: DGRAPH_HOST

service/Dockerfile

@@ -11,6 +11,5 @@ RUN chmod 755 ./katlas
 EXPOSE 8011
 
 CMD ./katlas \
-    -envNamespace=$ENV_NAMESPACE \
     -serverType=$SERVER_TYPE \
     -dgraphHost=$DGRAPH_HOST

service/cfg/cfg.go

@@ -5,9 +5,8 @@ import "flag"
 
 type (
 	serverCfg struct {
-		ServerType   string
-		EnvNamespace string
-		DgraphHost   string
+		ServerType string
+		DgraphHost string
 	}
 )
 
@@ -18,7 +17,6 @@ var (
 
 func init() {
 
-	flag.StringVar(&ServerCfg.EnvNamespace, "envNamespace", "", "EnvNamespace for the cluster service is deployed in")
 	flag.StringVar(&ServerCfg.ServerType, "serverType", "http", "Mode the Rest Service runs in - Secure/Insecure")
 	flag.StringVar(&ServerCfg.DgraphHost, "dgraphHost", "127.0.0.1:9080", "Mode the Rest Service runs in - Secure/Insecure")
 }

service/server.go

@@ -6,6 +6,8 @@ import (
 	"net/http"
 	"strings"
 
+	"io/ioutil"
+
 	log "github.com/Sirupsen/logrus"
 	"github.com/gorilla/mux"
 	"github.com/hashicorp/golang-lru"
@@ -15,7 +17,6 @@ import (
 	"github.com/intuit/katlas/service/resources"
 	"github.com/intuit/katlas/service/util"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
-	"io/ioutil"
 )
 
 const cacheSize = 10
@@ -130,7 +131,6 @@ func main() {
 	log.SetLevel(log.DebugLevel)
 	// parse and print command line flags
 	flag.Parse()
-	log.Infof("EnvNamespace=%s", cfg.ServerCfg.EnvNamespace)
 	log.Infof("ServerType=%s", cfg.ServerCfg.ServerType)
 	log.Infof("DgraphHost=%s", cfg.ServerCfg.DgraphHost)