Add log level support for orchestrator

In this patch, a new config item for log-level
is added, default log-level is set as "warn",
for detailed logs, set log-level as "info"

Issue-ID: MULTICLOUD-1200
Signed-off-by: Rajamohan Raj <rajamohan.raj@intel.com>
Change-Id: I3205ce110a492ecc6a7c680e3d35e173a5624bb0

6 files changed, 50 insertions, 22 deletions

diff --git a/README.md b/README.md
index 4e380ef3..8aeed383 100644
--- a/README.md
+++ b/README.md
@@ -35,3 +35,6 @@ Steps:
 * Run the plugin:
     * `cd k8s/deployments && ./start.sh`
 
+# Troubleshooting
+
+* Logs can be set as "warn" or "info" in the config.json file of the orchestrator directory. By default the log level is set as "warn".
diff --git a/src/orchestrator/config.json b/src/orchestrator/config.json
new file mode 100644
index 00000000..1acd835d
--- /dev/null
+++ b/src/orchestrator/config.json
@@ -0,0 +1,16 @@
+{
+    "ca-file": "ca.cert",
+    "server-cert": "server.cert",
+    "server-key": "server.key",
+    "password": "",
+    "database-ip": "172.31.0.2",
+    "database-type": "mongo",
+    "plugin-dir": "plugins",
+    "etcd-ip": "127.0.0.1",
+    "etcd-cert": "",
+    "etcd-key": "",
+    "etcd-ca-file": "",
+    "service-port": "9015",
+    "log-level": "warn"
+
+}
diff --git a/src/orchestrator/pkg/infra/config/config.go b/src/orchestrator/pkg/infra/config/config.go
index fca8bfbd..43191489 100644
--- a/src/orchestrator/pkg/infra/config/config.go
+++ b/src/orchestrator/pkg/infra/config/config.go
@@ -44,6 +44,7 @@ type Configuration struct {
 	GrpcServerNameOverride string `json:"grpc-server-name-override"`
 	ServicePort            string `json:"service-port"`
 	KubernetesLabelName    string `json:"kubernetes-label-name"`
+	LogLevel               string `json:"log-level"`
 }
 
 // Config is the structure that stores the configuration
@@ -98,6 +99,8 @@ func defaultConfiguration() *Configuration {
 		GrpcServerNameOverride: "",
 		ServicePort:            "9015",
 		KubernetesLabelName:    "orchestrator.io/rb-instance-id",
+		LogLevel:               "warn",
+
 	}
 }
 
diff --git a/src/orchestrator/pkg/infra/logutils/logger.go b/src/orchestrator/pkg/infra/logutils/logger.go
index 2e8f9969..209114a3 100644
--- a/src/orchestrator/pkg/infra/logutils/logger.go
+++ b/src/orchestrator/pkg/infra/logutils/logger.go
@@ -2,6 +2,9 @@ package logutils
 
 import (
 	log "github.com/sirupsen/logrus"
+	"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/config"
+	"strings"
+
 )
 
 //Fields is type that will be used by the calling function
@@ -10,6 +13,13 @@ type Fields map[string]interface{}
 func init() {
 	// Log as JSON instead of the default ASCII formatter.
 	log.SetFormatter(&log.JSONFormatter{})
+	if strings.EqualFold(config.GetConfiguration().LogLevel, "warn") {
+		log.SetLevel(log.WarnLevel)
+
+	}
+	if strings.EqualFold(config.GetConfiguration().LogLevel, "info") {
+		log.SetLevel(log.InfoLevel)
+	}
 }
 
 // Error uses the fields provided and logs
@@ -26,3 +36,4 @@ func Warn(msg string, fields Fields) {
 func Info(msg string, fields Fields) {
 	log.WithFields(log.Fields(fields)).Info(msg)
 }
+
diff --git a/src/orchestrator/utils/helm/helm.go b/src/orchestrator/utils/helm/helm.go
index 80cdfe5a..3f8b6e9e 100644
--- a/src/orchestrator/utils/helm/helm.go
+++ b/src/orchestrator/utils/helm/helm.go
@@ -21,7 +21,7 @@ import (
 	utils "github.com/onap/multicloud-k8s/src/orchestrator/utils"
 
 	pkgerrors "github.com/pkg/errors"
-	"log"
+	
 
 	"fmt"
 	"io/ioutil"
@@ -43,6 +43,8 @@ import (
 	"k8s.io/helm/pkg/renderutil"
 	"k8s.io/helm/pkg/tiller"
 	"k8s.io/helm/pkg/timeconv"
+	logger "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/logutils"
+
 )
 
 //KubernetesResourceTemplate - Represents the template that is used to create a particular
@@ -174,7 +176,8 @@ func (h *TemplateClient) GenerateKubernetesArtifacts(inputPath string, valueFile
 	if err != nil {
 		return retData, pkgerrors.Wrap(err, "Got error creating temp dir")
 	}
-	log.Printf("The o/p dir:: %s ", outputDir)
+	logger.Info(":: The o/p dir:: ", logger.Fields{"OutPutDirectory ":outputDir})
+	
 
 	if namespace == "" {
 		namespace = "default"
@@ -302,20 +305,20 @@ func (h *TemplateClient) Resolve(appContent []byte, appProfileContent []byte, ov
 	if err != nil {
 		return sortedTemplates, pkgerrors.Wrap(err, "Extracting appContent")
 	}
-	log.Printf("The chartBasePath :: %s", chartBasePath)
+	logger.Info("The chartBasePath ::", logger.Fields{"chartBasePath":chartBasePath})
 
 	//prPath is the tmp path where the appProfileContent is extracted.
 	prPath, err := utils.ExtractTarBall(bytes.NewBuffer(appProfileContent))
 	if err != nil {
 		return sortedTemplates, pkgerrors.Wrap(err, "Extracting Profile Content")
 	}
-	log.Printf("The profile path:: %s", prPath)
+	logger.Info("The profile path:: ", logger.Fields{"Profile Path":prPath})
 
 	prYamlClient, err := ProcessProfileYaml(prPath, h.manifestName)
 	if err != nil {
 		return sortedTemplates, pkgerrors.Wrap(err, "Processing Profile Manifest")
 	}
-	log.Println("Got the profileYamlClient..")
+	logger.Info("Got the profileYamlClient..", logger.Fields{})
 
 	err = prYamlClient.CopyConfigurationOverrides(chartBasePath)
 	if err != nil {
diff --git a/src/orchestrator/utils/utils.go b/src/orchestrator/utils/utils.go
index 22ce903b..b591ccb5 100644
--- a/src/orchestrator/utils/utils.go
+++ b/src/orchestrator/utils/utils.go
@@ -23,13 +23,14 @@ import (
 
 	"io"
 	"io/ioutil"
-	"log"
 	"os"
 	"path"
 	"path/filepath"
 
 	pkgerrors "github.com/pkg/errors"
 	yaml "gopkg.in/yaml.v3"
+	log "github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/logutils"
+
 )
 
 // ListYamlStruct is applied when the kind is list
@@ -69,15 +70,15 @@ type YamlStruct struct {
 
 func (y YamlStruct) isValid() bool {
 	if y.APIVersion == "" {
-		log.Printf("apiVersion is missing in manifest file")
+		log.Info("apiVersion is missing in manifest file", log.Fields{})
 		return false
 	}
 	if y.Kind == "" {
-		log.Printf("kind is missing in manifest file")
+		log.Info("kind is missing in manifest file", log.Fields{})
 		return false
 	}
 	if y.Metadata.Name == "" {
-		log.Printf("metadata.name is missing in manifest file")
+		log.Info("metadata.name is missing in manifest file", log.Fields{})
 		return false
 	}
 	return true
@@ -107,13 +108,14 @@ func ExtractYamlParameters(f string) (YamlStruct, error) {
 		li := strings.LastIndex(filename, "/")
 		fn := string(filename[li+1:])
 		yamlStruct.Metadata.Name = fn
-		log.Printf("Setting the metadata name as :: %s", fn)
+		log.Info("Setting the metadata", log.Fields{"MetaDataName":fn})
 	}
 	if yamlStruct.isValid() {
-		log.Printf("YAML parameters for file ::%s \n %v", f, yamlStruct)
+		log.Info(":: YAML parameters ::", log.Fields{"fileName": f, "yamlStruct":yamlStruct})
+
 		return yamlStruct, nil
 	}
-	log.Printf("YAML file ::%s has errors", f)
+	log.Info("YAML file has errors", log.Fields{"fileName": f})
 	return YamlStruct{}, pkgerrors.Errorf("Cant extract parameters from yaml file :: %s", filename)
 
 }
@@ -204,13 +206,3 @@ func EnsureDirectory(f string) error {
 	}
 	return os.MkdirAll(base, 0755)
 }
-
-// func main() {
-// 	filename := "./test.yaml"
-// 	yamlStruct, err := ExtractYamlParameters(filename)
-// 	if err!=nil {
-// 		log.Print(err)
-// 	}
-// 	fmt.Printf("%s+%s", yamlStruct.Metadata.Name, yamlStruct.Kind)
-// 	fmt.Printf("%v", yamlStruct)
-// }