Add basic Cloudwatch dashboard for dual-master receipe

Feature: Issue 13218
Change-Id: Iff2d0e17c7ca8dc75d4c5e538d8c675689ecadb5
diff --git a/dual-master/Makefile b/dual-master/Makefile
index 1b9e80d..58f52ae 100644
--- a/dual-master/Makefile
+++ b/dual-master/Makefile
@@ -6,15 +6,16 @@
 SERVICE_MASTER_TEMPLATE:=cf-service-master.yml
 SERVICE_SLAVE_TEMPLATE:=cf-service-slave.yml
 DNS_ROUTING_TEMPLATE:=cf-dns-route.yml
+CLOUDWATCH_DASHBOARD_TEMPLATE:=cf-dashboard.yml
 LOAD_BALANCER_TEMPLATE:=cf-service-lb.yml
 SERVICE_REPLICATION_TEMPLATE:=cf-service-replication.yml
 AWS_FC_COMMAND=export AWS_PAGER=;aws cloudformation
 
 .PHONY: create-all delete-all \
 				wait-for-replication-creation wait-for-service-replication-deletion service-replication delete-service-replication \
-				cluster cluster-keys service-master-1 service-master-2 service-slave dns-routing \
-				wait-for-cluster-creation wait-for-service-master-1-creation wait-for-service-master-2-creation wait-for-service-slave-creation wait-for-dns-routing-creation \
-				wait-for-cluster-deletion wait-for-service-master-1-deletion wait-for-service-master-2-deletion wait-for-service-slave-deletion wait-for-dns-routing-deletion \
+				cluster cluster-keys service-master-1 service-master-2 service-slave dns-routing dashboard delete-dashboard\
+				wait-for-cluster-creation wait-for-service-master-1-creation wait-for-service-master-2-creation wait-for-service-slave-creation wait-for-dns-routing-creation wait-for-dashboard-creation \
+				wait-for-cluster-deletion wait-for-service-master-1-deletion wait-for-service-master-2-deletion wait-for-service-slave-deletion wait-for-dns-routing-deletion wait-for-dashboard-deletion \
 				service-lb wait-for-service-lb-deletion wait-for-service-lb-creation \
 				gerrit-build gerrit-publish haproxy-publish syslog-sidecar-publish
 
@@ -22,6 +23,10 @@
 optional_replication_targets=service-replication wait-for-service-replication-creation
 endif
 
+ifeq ($(METRICS_CLOUDWATCH_ENABLED),true)
+optional_dashboard_targets=dashboard wait-for-dashboard-creation
+endif
+
 create-all: upload-common-templates \
 						git-daemon-publish git-ssh-publish \
 						gerrit-publish haproxy-publish syslog-sidecar-publish \
@@ -30,6 +35,7 @@
 						service-slave service-master-1 \
 						wait-for-service-master-1-creation wait-for-service-slave-creation \
 						service-master-2 wait-for-service-master-2-creation \
+						$(optional_dashboard_targets) \
 						service-lb wait-for-service-lb-creation \
 						dns-routing wait-for-dns-routing-creation
 
@@ -247,6 +253,33 @@
 		ParameterKey=Master2ServiceStackName,ParameterValue=$(SERVICE_MASTER2_STACK_NAME) \
 		ParameterKey=LBServiceStackName,ParameterValue=$(LOAD_BALANCER_STACK_NAME)
 
+dashboard:
+ifeq ($(METRICS_CLOUDWATCH_ENABLED),true)
+ifdef GERRIT_MASTER1_INSTANCE_ID
+		$(eval DASHBOARD_OPTIONAL_PARAMS := $(DASHBOARD_OPTIONAL_PARAMS) ParameterKey=Master1InstanceId,ParameterValue=$(GERRIT_MASTER1_INSTANCE_ID))
+endif
+ifdef GERRIT_MASTER2_INSTANCE_ID
+		$(eval DASHBOARD_OPTIONAL_PARAMS := $(DASHBOARD_OPTIONAL_PARAMS) ParameterKey=Master2InstanceId,ParameterValue=$(GERRIT_MASTER2_INSTANCE_ID))
+endif
+ifdef GERRIT_SLAVE_INSTANCE_ID
+		$(eval DASHBOARD_OPTIONAL_PARAMS := $(DASHBOARD_OPTIONAL_PARAMS) ParameterKey=SlaveInstanceId,ParameterValue=$(GERRIT_SLAVE_INSTANCE_ID))
+endif
+ifdef METRICS_CLOUDWATCH_NAMESPACE
+		$(eval DASHBOARD_OPTIONAL_PARAMS := $(DASHBOARD_OPTIONAL_PARAMS) ParameterKey=MetricsCloudwatchNamespace,ParameterValue=$(METRICS_CLOUDWATCH_NAMESPACE))
+endif
+
+
+	$(AWS_FC_COMMAND) create-stack \
+		--stack-name $(DASHBOARD_STACK_NAME) \
+		--capabilities CAPABILITY_IAM  \
+		--template-body file://`pwd`/$(CLOUDWATCH_DASHBOARD_TEMPLATE) \
+		--region $(AWS_REGION) \
+		--parameters \
+		$(DASHBOARD_OPTIONAL_PARAMS)
+else
+		@echo "METRICS_CLOUDWATCH_ENABLED is set to false. Dashboard creation skipped".
+endif
+
 wait-for-cluster-creation:
 	@echo "*** Wait for cluster stack '$(CLUSTER_STACK_NAME)' creation"
 	$(AWS_FC_COMMAND) wait stack-create-complete \
@@ -296,6 +329,13 @@
 	--region $(AWS_REGION)
 	@echo "*** DNS Routing stack '$(DNS_ROUTING_STACK_NAME)' created"
 
+wait-for-dashboard-creation:
+	@echo "*** Wait for dashboard stack '$(DASHBOARD_STACK_NAME)' creation"
+	$(AWS_FC_COMMAND) wait stack-create-complete \
+	--stack-name $(DASHBOARD_STACK_NAME) \
+	--region $(AWS_REGION)
+	@echo "*** Dashboard stack '$(DASHBOARD_STACK_NAME)' created"
+
 wait-for-cluster-deletion:
 	@echo "*** Wait for cluster stack '$(CLUSTER_STACK_NAME)' deletion"
 	$(AWS_FC_COMMAND) wait stack-delete-complete \
@@ -345,6 +385,13 @@
 	--region $(AWS_REGION)
 	@echo "*** Service stack '$(SERVICE_REPLICATION_STACK_NAME)' deleted"
 
+wait-for-dashboard-deletion:
+	@echo "*** Wait for dashboard stack '$(DASHBOARD_STACK_NAME)' deletion"
+	$(AWS_FC_COMMAND) wait stack-delete-complete \
+	--stack-name $(DASHBOARD_STACK_NAME) \
+	--region $(AWS_REGION)
+	@echo "*** Dashboard stack '$(DASHBOARD_STACK_NAME)' deleted"
+
 delete-cluster:
 	$(AWS_FC_COMMAND) delete-stack \
 	--stack-name $(CLUSTER_STACK_NAME) \
@@ -380,10 +427,15 @@
 	--stack-name $(DNS_ROUTING_STACK_NAME) \
 	--region $(AWS_REGION)
 
+delete-dashboard:
+	$(AWS_FC_COMMAND) delete-stack \
+	--stack-name $(DASHBOARD_STACK_NAME) \
+	--region $(AWS_REGION)
+
 delete-all: delete-dns-routing wait-for-dns-routing-deletion \
 						delete-service-lb wait-for-service-lb-deletion \
-						delete-service-master-1 delete-service-master-2 delete-service-slave \
-						wait-for-service-master-1-deletion wait-for-service-master-2-deletion wait-for-service-slave-deletion \
+						delete-service-master-1 delete-service-master-2 delete-service-slave delete-dashboard \
+						wait-for-service-master-1-deletion wait-for-service-master-2-deletion wait-for-service-slave-deletion wait-for-dashboard-deletion \
 						delete-service-replication wait-for-service-replication-deletion \
 						delete-cluster wait-for-cluster-deletion
 
diff --git a/dual-master/README.md b/dual-master/README.md
index ce7e1de..f612e28 100644
--- a/dual-master/README.md
+++ b/dual-master/README.md
@@ -11,6 +11,7 @@
 * `cf-dns-route`: define the DNS routing for the service
 * `cf-service-slave`: define the service stack running the gerrit replica
 * `cf-service-lb`: define the LBs in front of gerrit masters (this includes haproxy as well as NLB)
+* `cf-dashboard`: define the CloudWatch dashboard for the services
 
 When the recipe enables the replication_service (see [docs](#replication-service))
 then these additional templates will be executed:
@@ -85,6 +86,7 @@
 
 * `SERVICE_MASTER1_STACK_NAME`: Optional. Name of the master 1 service stack. `gerrit-service-master-1` by default.
 * `SERVICE_MASTER2_STACK_NAME`: Optional. Name of the master 2 service stack. `gerrit-service-master-2` by default.
+* `DASHBOARD_STACK_NAME` : Optional. Name of the dashboard stack. `gerrit-dashboard` by default.
 * `MASTER1_SUBDOMAIN`: Optional. Name of the master 1 sub domain. `gerrit-master-1-demo` by default.
 * `MASTER2_SUBDOMAIN`: Optional. Name of the master 2 sub domain. `gerrit-master-2-demo` by default.
 * `CLUSTER_DESIRED_CAPACITY`: Optional. Number of EC2 instances composing the cluster. `1` by default.
diff --git a/dual-master/cf-dashboard.yml b/dual-master/cf-dashboard.yml
new file mode 100644
index 0000000..a04300b
--- /dev/null
+++ b/dual-master/cf-dashboard.yml
@@ -0,0 +1,418 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: Deploy a dual-master CloudWatch dashboard.
+Parameters:
+  Master1InstanceId:
+      Description: Optional identifier for the Gerrit master1 instance
+      Default: gerrit-dual-master-MASTER1
+      Type: String
+  Master2InstanceId:
+      Description: Optional identifier for the Gerrit master2 instance
+      Default: gerrit-dual-master-MASTER2
+      Type: String
+  SlaveInstanceId:
+      Description: Optional identifier for the Gerrit slave instance
+      Default: gerrit-dual-master-SLAVE
+      Type: String
+  MetricsCloudwatchNamespace:
+      Description: The CloudWatch namespace for Gerrit metrics
+      Type: String
+      Default: gerrit
+
+Resources:
+  CloudWatchDashboard:
+      Type: AWS::CloudWatch::Dashboard
+      Properties:
+          DashboardName: !Ref AWS::StackName
+          DashboardBody: !Sub |
+                {
+                    "start": "-PT6H",
+                    "periodOverride": "auto",
+                    "widgets": [
+                        {
+                            "type": "metric",
+                            "x": 0,
+                            "y": 0,
+                            "width": 24,
+                            "height": 3,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "sshd/sessions/connected", "InstanceId", "${Master1InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "sshd/sessions/connected", "InstanceId", "${Master2InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "sshd/sessions/connected", "InstanceId", "${SlaveInstanceId}", "Type", "gauge" ]
+                                ],
+                                "view": "singleValue",
+                                "region": "${AWS::Region}",
+                                "stat": "Maximum",
+                                "period": 60,
+                                "title": "SSH Connection",
+                                "stacked": false
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 6,
+                            "y": 3,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ { "expression": "RATE(METRICS())", "label": "Expression1", "id": "e1", "region": "${AWS::Region}" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "proc/cpu/usage", "InstanceId", "${Master1InstanceId}", "Type", "gauge", { "id": "m1", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "proc/cpu/usage", "InstanceId", "${Master2InstanceId}", "Type", "gauge", { "id": "m3", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "proc/cpu/usage", "InstanceId", "${SlaveInstanceId}", "Type", "gauge", { "id": "m2", "visible": false } ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "region": "${AWS::Region}",
+                                "stat": "Average",
+                                "period": 60,
+                                "title": "Gerrit Cpu Load",
+                                "yAxis": {
+                                    "right": {
+                                        "showUnits": true
+                                    },
+                                    "left": {
+                                        "showUnits": false,
+                                        "min": 0
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 12,
+                            "y": 33,
+                            "width": 12,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "jgit/block_cache/cache_used", "InstanceId", "${Master1InstanceId}", "Type", "gauge", { "id": "m1" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "jgit/block_cache/cache_used", "InstanceId", "${Master2InstanceId}", "Type", "gauge", { "id": "m3" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "jgit/block_cache/cache_used", "InstanceId", "${SlaveInstanceId}", "Type", "gauge", { "id": "m2" } ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "region": "${AWS::Region}",
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false,
+                                        "label": ""
+                                    }
+                                },
+                                "title": "JGit Cache",
+                                "period": 60,
+                                "stat": "Average"
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 18,
+                            "y": 3,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "jvm.memory.total.used", "InstanceId", "${Master1InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "jvm.memory.total.used", "InstanceId", "${Master2InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "jvm.memory.total.used", "InstanceId", "${SlaveInstanceId}", "Type", "gauge" ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "region": "${AWS::Region}",
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false
+                                    }
+                                },
+                                "stat": "Average",
+                                "period": 60,
+                                "title": "Gerrit Used memory"
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 12,
+                            "y": 3,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "proc/cpu/system_load", "InstanceId", "${Master1InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "proc/cpu/system_load", "InstanceId", "${Master2InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "proc/cpu/system_load", "InstanceId", "${SlaveInstanceId}", "Type", "gauge" ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "title": "Gerrit System Load",
+                                "region": "${AWS::Region}",
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false
+                                    }
+                                },
+                                "stat": "Average",
+                                "period": 60
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 0,
+                            "y": 9,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "jvm.gc.G1-Old-Generation.time",  "InstanceId", "${Master1InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "jvm.gc.G1-Old-Generation.time",  "InstanceId", "${Master2InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "jvm.gc.G1-Old-Generation.time",  "InstanceId", "${SlaveInstanceId}", "Type", "gauge" ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "title": "GC Time",
+                                "region": "${AWS::Region}",
+                                "stat": "Average",
+                                "period": 60,
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 6,
+                            "y": 9,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "proc/jvm/thread/num_live",  "InstanceId", "${Master1InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "proc/jvm/thread/num_live",  "InstanceId", "${Master2InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "proc/jvm/thread/num_live",  "InstanceId", "${SlaveInstanceId}", "Type", "gauge" ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "title": "Active Threads",
+                                "region": "${AWS::Region}",
+                                "period": 60,
+                                "stat": "Average",
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 0,
+                            "y": 15,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/rest_api/server_latency_total", "InstanceId", "${Master1InstanceId}", "Type", "99.9%", { "id": "m2" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/rest_api/server_latency_total", "InstanceId", "${Master2InstanceId}", "Type", "99.9%", { "id": "m3" } ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "region": "${AWS::Region}",
+                                "stat": "Average",
+                                "period": 60,
+                                "title": "HTTP requests latency",
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false,
+                                        "label": "ms"
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 6,
+                            "y": 15,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ { "expression": "m1+m2", "label": "Master 1 HTTP hits per second", "id": "e2", "region": "${AWS::Region}" } ],
+                                    [ { "expression": "m3+m4", "label": "Master 2 HTTP hits per second", "id": "e1", "region": "${AWS::Region}" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/success_count_total", "InstanceId", "${Master1InstanceId}", "Type", "count", { "id": "m2", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/error_count_total", "InstanceId", "${Master1InstanceId}", "Type", "count", { "id": "m1", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/success_count_total", "InstanceId", "${Master2InstanceId}", "Type", "count", { "id": "m3", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/error_count_total", "InstanceId", "${Master2InstanceId}", "Type", "count", { "id": "m4", "visible": false } ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "title": "HTTP hits per second",
+                                "region": "${AWS::Region}",
+                                "stat": "Sum",
+                                "period": 60,
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false,
+                                        "label": "ops",
+                                        "min": 0
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 12,
+                            "y": 15,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ { "expression": "(m1/(m1+m2))*100", "label": "Master 1 % of HTTP Errors", "id": "e1", "region": "${AWS::Region}" } ],
+                                    [ { "expression": "(m3/(m3+m4))*100", "label": "Master 2 % of HTTP Errors", "id": "e2", "region": "${AWS::Region}" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/error_count_total", "InstanceId", "${Master1InstanceId}", "Type", "count", { "id": "m1", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/success_count_total", "InstanceId", "${Master1InstanceId}", "Type", "count", { "id": "m2", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/error_count_total", "InstanceId", "${Master2InstanceId}", "Type", "count", { "id": "m3", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "http/server/success_count_total", "InstanceId", "${Master2InstanceId}", "Type", "count", { "id": "m4", "visible": false } ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "region": "${AWS::Region}",
+                                "stat": "Sum",
+                                "period": 60,
+                                "title": "% of HTTP Errors",
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false,
+                                        "max": 100,
+                                        "min": 0
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 12,
+                            "y": 9,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "git/upload-pack/request_count_total", "InstanceId", "${Master1InstanceId}", "Type", "count", { "id": "m1" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "git/upload-pack/request_count_total", "InstanceId", "${Master2InstanceId}", "Type", "count", { "id": "m2" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "git/upload-pack/request_count_total", "InstanceId", "${SlaveInstanceId}", "Type", "count", { "id": "m3" } ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "region": "${AWS::Region}",
+                                "title": "Git upload pack - count",
+                                "stat": "Sum",
+                                "period": 60,
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false,
+                                        "min": 0
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 0,
+                            "y": 21,
+                            "width": 24,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ { "expression": "RATE(METRICS())*PERIOD(m1)", "label": "Expression1", "id": "e1" } ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/index_batch/total_scheduled_tasks_count", "InstanceId", "${Master1InstanceId}", "Type", "gauge", { "id": "m1", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/receive_commits/total_scheduled_tasks_count", "InstanceId", "${Master1InstanceId}", "Type", "gauge", { "id": "m2", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/work_queue/total_scheduled_tasks_count", "InstanceId", "${Master1InstanceId}", "Type", "gauge", { "id": "m3", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/ssh_command_start/total_scheduled_tasks_count", "InstanceId", "${Master1InstanceId}", "Type", "gauge", { "id": "m4", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/index_batch/total_scheduled_tasks_count", "InstanceId", "${Master2InstanceId}", "Type", "gauge", { "id": "m5", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/receive_commits/total_scheduled_tasks_count", "InstanceId", "${Master2InstanceId}", "Type", "gauge", { "id": "m6", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/work_queue/total_scheduled_tasks_count", "InstanceId", "${Master2InstanceId}", "Type", "gauge", { "id": "m7", "visible": false } ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/ssh_command_start/total_scheduled_tasks_count",  "InstanceId", "${Master2InstanceId}", "Type", "gauge", { "id": "m8", "visible": false } ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "title": "Scheduled Tasks Queues",
+                                "region": "${AWS::Region}",
+                                "stat": "Sum",
+                                "period": 60,
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false,
+                                        "min": 0
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 0,
+                            "y": 27,
+                            "width": 24,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "queue/send_email/scheduled_tasks", "InstanceId", "${Master1InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "queue/send_email/scheduled_tasks", "InstanceId", "${Master2InstanceId}", "Type", "gauge" ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "region": "${AWS::Region}",
+                                "title": "Scheduled email tasks in the queue",
+                                "stat": "Sum",
+                                "period": 300,
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 0,
+                            "y": 33,
+                            "width": 12,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "${MetricsCloudwatchNamespace}", "jgit/block_cache/open_files", "InstanceId", "${Master1InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "jgit/block_cache/open_files", "InstanceId", "${Master2InstanceId}", "Type", "gauge" ],
+                                    [ "${MetricsCloudwatchNamespace}", "jgit/block_cache/open_files", "InstanceId", "${SlaveInstanceId}", "Type", "gauge" ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "title": "Pack files cached",
+                                "region": "${AWS::Region}",
+                                "stat": "Sum",
+                                "period": 60,
+                                "yAxis": {
+                                    "left": {
+                                        "showUnits": false
+                                    }
+                                }
+                            }
+                        },
+                        {
+                            "type": "metric",
+                            "x": 0,
+                            "y": 3,
+                            "width": 6,
+                            "height": 6,
+                            "properties": {
+                                "metrics": [
+                                    [ "AWS/EC2", "CPUUtilization" ]
+                                ],
+                                "view": "timeSeries",
+                                "stacked": false,
+                                "region": "${AWS::Region}",
+                                "title": "Cluster CPU Load",
+                                "period": 60,
+                                "stat": "Average"
+                            }
+                        }
+                    ]
+                }
diff --git a/dual-master/setup.env.template b/dual-master/setup.env.template
index 5b646d1..18e9e50 100644
--- a/dual-master/setup.env.template
+++ b/dual-master/setup.env.template
@@ -15,6 +15,7 @@
 HTTP_HOST_PORT_MASTER1:=8080
 SSH_HOST_PORT_MASTER1:=29418
 DNS_ROUTING_STACK_NAME:=$(AWS_PREFIX)-dns-routing
+DASHBOARD_STACK_NAME:=$(AWS_PREFIX)-dashboard
 HOSTED_ZONE_NAME:=yourcompany.com
 MASTER1_SUBDOMAIN:=$(AWS_PREFIX)-master-1.gerrit-demo
 MASTER2_SUBDOMAIN:=$(AWS_PREFIX)-master-2.gerrit-demo