add aga controller config flags

Author: shraddhabang

docs/deploy/configurations.md

@@ -106,6 +106,8 @@ Currently, you can set only 1 namespace to watch in this flag. See [this Kuberne
 | [sync-period](#sync-period)                                                     | duration                        | 10h0m0s                                    | Period at which the controller forces the repopulation of its local object stores                                                                                             |
 | targetgroupbinding-max-concurrent-reconciles                                    | int                       | 3                                          | Maximum number of concurrently running reconcile loops for targetGroupBinding                                                                                                 |
 | targetgroupbinding-max-exponential-backoff-delay                                | duration              | 16m40s                                     | Maximum duration of exponential backoff for targetGroupBinding reconcile failures                                                                                             |
+| globalaccelerator-max-concurrent-reconciles                                     | int                       | 1                                          | Maximum number of concurrently running reconcile loops for GlobalAccelerator objects                                                                                          |
+| globalaccelerator-max-exponential-backoff-delay                                 | duration              | 16m40s                                     | Maximum duration of exponential backoff for GlobalAccelerator reconcile failures                                                                                              |
 | [lb-stabilization-monitor-interval](#lb-stabilization-monitor-interval)         | duration                        | 2m                                         | Interval at which the controller monitors the state of load balancer after creation                                                                                           
 | tolerate-non-existent-backend-service                                           | boolean                         | true                                       | Whether to allow rules which refer to backend services that do not exist (When enabled, it will return 503 error if backend service not exist)                                |
 | tolerate-non-existent-backend-action                                            | boolean                         | true                                       | Whether to allow rules which refer to backend actions that do not exist (When enabled, it will return 503 error if backend action not exist)                                  |

helm/aws-load-balancer-controller/templates/deployment.yaml

@@ -112,6 +112,12 @@ spec:
         {{- if .Values.targetgroupbindingMaxExponentialBackoffDelay }}
         - --targetgroupbinding-max-exponential-backoff-delay={{ .Values.targetgroupbindingMaxExponentialBackoffDelay }}
         {{- end }}
+        {{- if .Values.globalAcceleratorMaxConcurrentReconciles }}
+        - --globalaccelerator-max-concurrent-reconciles={{ .Values.globalAcceleratorMaxConcurrentReconciles }}
+        {{- end }}
+        {{- if .Values.globalAcceleratorMaxExponentialBackoffDelay }}
+        - --globalaccelerator-max-exponential-backoff-delay={{ .Values.globalAcceleratorMaxExponentialBackoffDelay }}
+        {{- end }}
         {{- if .Values.lbStabilizationMonitorInterval }}
         - --lb-stabilization-monitor-interval={{ .Values.lbStabilizationMonitorInterval }}
         {{- end }}

helm/aws-load-balancer-controller/values.yaml

@@ -253,6 +253,12 @@ targetgroupbindingMaxConcurrentReconciles:
 # Maximum duration of exponential backoff for targetGroupBinding reconcile failures
 targetgroupbindingMaxExponentialBackoffDelay:
 
+# Maximum number of concurrently running reconcile loops for GlobalAccelerator objects
+globalAcceleratorMaxConcurrentReconciles:
+
+# Maximum duration of exponential backoff for GlobalAccelerator reconcile failures
+globalAcceleratorMaxExponentialBackoffDelay:
+
 # Interval at which the controller monitors the state of load balancer after creation for stabilization
 lbStabilizationMonitorInterval:
 

pkg/config/controller_config.go

@@ -27,6 +27,7 @@ const (
 	flagALBGatewayMaxConcurrentReconciles            = "alb-gateway-max-concurrent-reconciles"
 	flagNLBGatewayMaxConcurrentReconciles            = "nlb-gateway-max-concurrent-reconciles"
 	flagGlobalAcceleratorMaxConcurrentReconciles     = "globalaccelerator-max-concurrent-reconciles"
+	flagGlobalAcceleratorMaxExponentialBackoffDelay  = "globalaccelerator-max-exponential-backoff-delay"
 	flagTargetGroupBindingMaxExponentialBackoffDelay = "targetgroupbinding-max-exponential-backoff-delay"
 	flagLbStabilizationMonitorInterval               = "lb-stabilization-monitor-interval"
 	flagDefaultSSLPolicy                             = "default-ssl-policy"
@@ -37,6 +38,7 @@ const (
 	flagDisableRestrictedSGRules                     = "disable-restricted-sg-rules"
 	flagMaxTargetsPerTargetGroup                     = "max-targets-per-target-group"
 	defaultLogLevel                                  = "info"
+	defaultGlobalAcceleratorMaxConcurrentReconciles  = 1
 	defaultMaxConcurrentReconciles                   = 3
 	defaultMaxExponentialBackoffDelay                = time.Second * 1000
 	defaultSSLPolicy                                 = "ELBSecurityPolicy-2016-08"
@@ -123,6 +125,9 @@ type ControllerConfig struct {
 	// GlobalAcceleratorMaxConcurrentReconciles Max concurrent reconcile loops for GlobalAccelerator objects
 	GlobalAcceleratorMaxConcurrentReconciles int
 
+	// GlobalAcceleratorMaxExponentialBackoffDelay Max exponential backoff delay for reconcile failures of GlobalAccelerator
+	GlobalAcceleratorMaxExponentialBackoffDelay time.Duration
+
 	// EnableBackendSecurityGroup specifies whether to use optimized security group rules
 	EnableBackendSecurityGroup bool
 
@@ -168,8 +173,10 @@ func (cfg *ControllerConfig) BindFlags(fs *pflag.FlagSet) {
 		"Maximum number of concurrently running reconcile loops for alb gateway")
 	fs.IntVar(&cfg.NLBGatewayMaxConcurrentReconciles, flagNLBGatewayMaxConcurrentReconciles, defaultMaxConcurrentReconciles,
 		"Maximum number of concurrently running reconcile loops for nlb gateway")
-	fs.IntVar(&cfg.GlobalAcceleratorMaxConcurrentReconciles, flagGlobalAcceleratorMaxConcurrentReconciles, defaultMaxConcurrentReconciles,
+	fs.IntVar(&cfg.GlobalAcceleratorMaxConcurrentReconciles, flagGlobalAcceleratorMaxConcurrentReconciles, defaultGlobalAcceleratorMaxConcurrentReconciles,
 		"Maximum number of concurrently running reconcile loops for globalAccelerator")
+	fs.DurationVar(&cfg.GlobalAcceleratorMaxExponentialBackoffDelay, flagGlobalAcceleratorMaxExponentialBackoffDelay, defaultMaxExponentialBackoffDelay,
+		"Maximum duration of exponential backoff for globalAccelerator reconcile failures")
 	fs.DurationVar(&cfg.TargetGroupBindingMaxExponentialBackoffDelay, flagTargetGroupBindingMaxExponentialBackoffDelay, defaultMaxExponentialBackoffDelay,
 		"Maximum duration of exponential backoff for targetGroupBinding reconcile failures")
 	fs.DurationVar(&cfg.LBStabilizationMonitorInterval, flagLbStabilizationMonitorInterval, defaultLbStabilizationMonitorInterval,