DCD-436: Make log group unique.

roles/aws_common/defaults/main.yml

@@ -6,3 +6,5 @@ aws_cloudwatch_agent_rpm: "https://s3.{{ aws_download_region }}.amazonaws.com/am
 
 # Mostly for molecule testing, as skip-tags doesn't work with handlers.
 atl_aws_agent_restart: true
+
+atl_aws_log_group: "{{ atl_product_edition }}-{{ atl_aws_stack_name }}"

roles/aws_common/molecule/default/molecule.yml

@@ -8,13 +8,19 @@ lint:
 platforms:
   - name: amazon_linux2
     image: amazonlinux:2
+    groups:
+      - aws_node_local
 # - name: ubuntu_lts
 #   image: ubuntu:bionic
 provisioner:
   name: ansible
   lint:
     name: ansible-lint
+  inventory:
+    links:
+      group_vars: ../../../../group_vars/
 verifier:
   name: testinfra
   lint:
     name: flake8
+    enabled: false

roles/aws_common/molecule/default/playbook.yml

@@ -6,6 +6,11 @@
     ansible_default_ipv4:
       address: "9.9.9.9"
     ansible_ec2_instance_id: "NONE"
+
+    atl_product_family: "jira"
+    atl_product_edition: "jira-software"
+    atl_aws_stack_name: "MY_STACK"
+
     atl_aws_agent_restart: false
   roles:
     - role: aws_common

roles/aws_common/molecule/default/tests/test_default.py

@@ -15,3 +15,11 @@ testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
 ])
 def test_package_exes(host, exe):
     assert host.file(exe).exists
+
+
+def test_service_file(host):
+    f = host.file('/opt/aws/amazon-cloudwatch-agent/etc/amazon-cloudwatch-agent.json')
+    assert f.contains('"log_group_name": "jira-software-MY_STACK"')
+    assert f.user == 'root'
+    assert f.group == 'root'
+    assert f.mode == 0o0644

roles/aws_common/tasks/main.yml

@@ -12,3 +12,13 @@
   set_fact:
     atl_cluster_node_id: "{{ ansible_ec2_instance_id }}"
     atl_local_ipv4: "{{ ansible_ec2_local_ipv4 | default(ansible_default_ipv4.address) }}"
+
+- name: Generate CloudWatch config
+  template:
+    src: "amazon-cloudwatch-agent.json.j2"
+    dest: "/opt/aws/amazon-cloudwatch-agent/etc/amazon-cloudwatch-agent.json"
+    owner: root
+    group: root
+    mode: 0644
+  notify:
+    - Restart CloudWatch Agent

roles/aws_common/templates/amazon-cloudwatch-agent.json.j2

@@ -0,0 +1,88 @@
+{
+  "agent": {
+    "metrics_collection_interval": 10,
+    "run_as_user": "root"
+  },
+
+  "logs": {
+    "logs_collected": {
+      "files": {
+        "collect_list": [
+          {% set comma = joiner(',') %}
+          {% for path in atl_product_log_locations[atl_product_family] %}
+            {{ comma() }}
+            {
+              "file_path": "{{ path }}/*",
+              "log_group_name": "{{ atl_aws_log_group }}",
+              "log_stream_name": "{instance_id}"
+            }
+          {% endfor %}
+        ]
+      }
+    }
+  },
+
+  "metrics": {
+    "append_dimensions": {
+      "AutoScalingGroupName": "${aws:AutoScalingGroupName}",
+      "ImageId": "${aws:ImageId}",
+      "InstanceId": "${aws:InstanceId}",
+      "InstanceType": "${aws:InstanceType}"
+    },
+    "metrics_collected": {
+      "cpu": {
+        "measurement": [
+          "cpu_usage_idle",
+          "cpu_usage_iowait",
+          "cpu_usage_user",
+          "cpu_usage_system"
+        ],
+        "metrics_collection_interval": 10,
+        "totalcpu": false
+      },
+      "disk": {
+        "measurement": [
+          "used_percent",
+          "inodes_free"
+        ],
+        "metrics_collection_interval": 10,
+        "resources": [
+          "*"
+        ]
+      },
+      "diskio": {
+        "measurement": [
+          "io_time",
+          "write_bytes",
+          "read_bytes",
+          "writes",
+          "reads"
+        ],
+        "metrics_collection_interval": 10,
+        "resources": [
+          "*"
+        ]
+      },
+      "mem": {
+        "measurement": [
+          "mem_used_percent"
+        ],
+        "metrics_collection_interval": 10
+      },
+      "netstat": {
+        "measurement": [
+          "tcp_established",
+          "tcp_time_wait"
+        ],
+        "metrics_collection_interval": 10
+      },
+      "swap": {
+        "measurement": [
+          "swap_used_percent"
+        ],
+        "metrics_collection_interval": 10
+      }
+    }
+  }
+
+}