Add log level setting in allocator

cmd/allocator/main.go

@@ -39,6 +39,7 @@ import (
 	"agones.dev/agones/pkg/util/signals"
 	"github.com/heptiolabs/healthcheck"
 	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
 	"go.opencensus.io/plugin/ocgrpc"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
@@ -70,6 +71,15 @@ func main() {
 		WithField("featureGates", runtime.EncodeFeatures()).WithField("sslPort", sslPort).
 		Info("Starting agones-allocator")
 
+	logger.WithField("logLevel", conf.LogLevel).Info("Setting LogLevel configuration")
+	level, err := logrus.ParseLevel(strings.ToLower(conf.LogLevel))
+	if err == nil {
+		runtime.SetLevel(level)
+	} else {
+		logger.WithError(err).Info("Specified wrong Logging.SdkServer. Setting default loglevel - Info")
+		runtime.SetLevel(logrus.InfoLevel)
+	}
+
 	health, closer := setupMetricsRecorder(conf)
 	defer closer()
 

cmd/allocator/metrics.go

@@ -39,6 +39,7 @@ const (
 	totalRemoteAllocationTimeoutFlag = "total-remote-allocation-timeout"
 	apiServerSustainedQPSFlag        = "api-server-qps"
 	apiServerBurstQPSFlag            = "api-server-qps-burst"
+	logLevelFlag                     = "log-level"
 )
 
 func init() {
@@ -54,6 +55,7 @@ type config struct {
 	Stackdriver                  bool
 	GCPProjectID                 string
 	StackdriverLabels            string
+	LogLevel                     string
 	totalRemoteAllocationTimeout time.Duration
 	remoteAllocationTimeout      time.Duration
 }
@@ -70,6 +72,7 @@ func parseEnvFlags() config {
 	viper.SetDefault(tlsDisabledFlag, false)
 	viper.SetDefault(remoteAllocationTimeoutFlag, 10*time.Second)
 	viper.SetDefault(totalRemoteAllocationTimeoutFlag, 30*time.Second)
+	viper.SetDefault(logLevelFlag, "Info")
 
 	pflag.Int32(apiServerSustainedQPSFlag, viper.GetInt32(apiServerSustainedQPSFlag), "Maximum sustained queries per second to send to the API server")
 	pflag.Int32(apiServerBurstQPSFlag, viper.GetInt32(apiServerBurstQPSFlag), "Maximum burst queries per second to send to the API server")
@@ -81,6 +84,7 @@ func parseEnvFlags() config {
 	pflag.Bool(tlsDisabledFlag, viper.GetBool(tlsDisabledFlag), "Flag to enable/disable TLS in the allocator.")
 	pflag.Duration(remoteAllocationTimeoutFlag, viper.GetDuration(remoteAllocationTimeoutFlag), "Flag to set remote allocation call timeout.")
 	pflag.Duration(totalRemoteAllocationTimeoutFlag, viper.GetDuration(totalRemoteAllocationTimeoutFlag), "Flag to set total remote allocation timeout including retries.")
+	pflag.String(logLevelFlag, viper.GetString(logLevelFlag), "Agones Log level")
 	runtime.FeaturesBindFlags()
 	pflag.Parse()
 
@@ -93,6 +97,7 @@ func parseEnvFlags() config {
 	runtime.Must(viper.BindEnv(stackdriverLabels))
 	runtime.Must(viper.BindEnv(mTLSDisabledFlag))
 	runtime.Must(viper.BindEnv(tlsDisabledFlag))
+	runtime.Must(viper.BindEnv(logLevelFlag))
 	runtime.Must(viper.BindPFlags(pflag.CommandLine))
 	runtime.Must(runtime.FeaturesBindEnv())
 
@@ -107,6 +112,7 @@ func parseEnvFlags() config {
 		StackdriverLabels:            viper.GetString(stackdriverLabels),
 		MTLSDisabled:                 viper.GetBool(mTLSDisabledFlag),
 		TLSDisabled:                  viper.GetBool(tlsDisabledFlag),
+		LogLevel:                     viper.GetString(logLevelFlag),
 		remoteAllocationTimeout:      viper.GetDuration(remoteAllocationTimeoutFlag),
 		totalRemoteAllocationTimeout: viper.GetDuration(totalRemoteAllocationTimeoutFlag),
 	}

install/helm/agones/templates/service/allocation.yaml

@@ -153,6 +153,8 @@ spec:
               fieldPath: metadata.namespace
         - name: CONTAINER_NAME
           value: "agones-allocator"
+        - name: LOG_LEVEL
+          value: {{ .Values.agones.allocator.logLevel | quote }}
         - name: FEATURE_GATES
           value: {{ .Values.agones.featureGates | quote }}
         ports:

install/helm/agones/values.yaml

@@ -116,6 +116,7 @@ agones:
     install: true
     apiServerQPS: 400
     apiServerQPSBurst: 500
+    logLevel: info
     annotations: {}
     resources: {}
       # requests:

install/yaml/install.yaml

@@ -1599,6 +1599,8 @@ spec:
               fieldPath: metadata.namespace
         - name: CONTAINER_NAME
           value: "agones-allocator"
+        - name: LOG_LEVEL
+          value: "info"
         - name: FEATURE_GATES
           value: ""
         ports:

site/content/en/docs/Installation/Install Agones/helm.md

@@ -254,6 +254,7 @@ The following tables lists the configurable parameters of the Agones chart and t
 | `agones.allocator.apiServerQPSBurst`                | Maximum burst queries per second that an allocator should be making against API Server          | `500`                  |
 | `agones.allocator.allocationTimeout`                | Remote allocation call timeout.                                      | `10s`                  |
 | `agones.allocator.remoteAllocationTimeout`          | Total remote allocation timeout including retries.       | `30s`                |
+| `agones.allocator.logLevel`                         | Agones Allocator Log level. Log only entries with that severity and above                       | `info`                 |
 | `agones.controller.annotations`                     | [Annotations][annotations] added to the Agones controller pods                                  | `{}`                   |
 | `agones.allocator.annotations`                      | [Annotations][annotations] added to the Agones allocator pods                                   | `{}`                   |
 | `agones.ping.annotations`                           | [Annotations][annotations] added to the Agones ping pods                                        | `{}`                   |