MCP SysOperator

--- # EC2 playbook # This playbook sets up the EC2 instances for the web servers - name: Create EC2 instances for web servers hosts: localhost gather_facts: false tasks: - name: Include common variables include_vars: file: "{{ playbook_dir }}/../group_vars/all.yml" - name: Include environment-specific variables include_vars: file: "{{ playbook_dir }}/../group_vars/{{ lookup('env', 'ENVIRONMENT') | default('localstack', true) }}.yml" - name: Load VPC IDs include_vars: file: "{{ playbook_dir }}/../.vpc_ids.yml" - name: Load security group IDs include_vars: file: "{{ playbook_dir }}/../.security_ids.yml" - name: Load EFS IDs include_vars: file: "{{ playbook_dir }}/../.efs_ids.yml" - name: Find latest Amazon Linux 2023 ARM64 AMI use_mcp_tool: server_name: ansible tool_name: aws_ec2 arguments: action: describe_images region: "{{ aws_region }}" filters: name: "{{ ec2_ami_name }}" architecture: "arm64" virtualization-type: "hvm" state: "available" root-device-type: "ebs" owner-alias: "amazon" register: ami_result when: environment != 'localstack' - name: Set AMI ID fact set_fact: ec2_ami_id: "{{ ami_result.images | sort(attribute='creationDate', reverse=true) | first | attr('imageId') | default('ami-12345678') }}" when: environment != 'localstack' - name: Set dummy AMI ID for LocalStack set_fact: ec2_ami_id: "ami-12345678" when: environment == 'localstack' - name: Create user data script for web servers set_fact: user_data: | #!/bin/bash # Update system packages dnf update -y # Install Apache, PHP, and other required packages dnf install -y httpd amazon-efs-utils # Install PHP 8.1 and extensions dnf install -y \ php8.1 \ php8.1-cli \ php8.1-fpm \ php8.1-mysqlnd \ php8.1-zip \ php8.1-devel \ php8.1-gd \ php8.1-mbstring \ php8.1-curl \ php8.1-xml \ php8.1-pear \ php8.1-bcmath \ php8.1-json # Create directory for EFS mount mkdir -p {{ efs_mount_point }} # Add EFS mount to fstab echo "{{ efs_id }}.efs.{{ aws_region }}.amazonaws.com:/ {{ efs_mount_point }} efs _netdev,tls,iam 0 0" >> /etc/fstab # Mount EFS mount -a # Set permissions for web directory chown -R apache:apache {{ apache_document_root }} chown -R apache:apache {{ efs_mount_point }} # Create a simple health check file cat > {{ apache_document_root }}/health.php << 'EOF' <?php // Health check file header('Content-Type: application/json'); $health = [ 'status' => 'healthy', 'timestamp' => time(), 'hostname' => gethostname(), 'ip' => $_SERVER['SERVER_ADDR'] ]; // Check if we can connect to the database try { $dbhost = '{{ db_cluster_endpoint }}'; $dbname = '{{ db_name }}'; $dbuser = '{{ db_username }}'; $dbpass = '{{ db_password }}'; $conn = new PDO("mysql:host=$dbhost;dbname=$dbname", $dbuser, $dbpass); $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $health['database'] = 'connected'; } catch(PDOException $e) { $health['database'] = 'error'; $health['database_error'] = $e->getMessage(); } // Check if EFS is mounted $health['efs'] = file_exists('{{ efs_mount_point }}') && is_writable('{{ efs_mount_point }}') ? 'mounted' : 'error'; echo json_encode($health, JSON_PRETTY_PRINT); EOF # Enable and start Apache systemctl enable httpd systemctl start httpd # Tag instance as ready aws ec2 create-tags --region {{ aws_region }} --resources $(curl -s http://169.254.169.254/latest/meta-data/instance-id) --tags Key=Status,Value=Ready - name: Create launch template for web servers use_mcp_tool: server_name: ansible tool_name: aws_ec2 arguments: action: create_launch_template region: "{{ aws_region }}" launchTemplateName: "{{ project_name }}-web-launch-template" versionDescription: "Initial version" imageId: "{{ ec2_ami_id }}" instanceType: "{{ ec2_instance_type }}" keyName: "{{ ec2_key_name }}" securityGroupIds: - "{{ web_sg_id }}" userData: "{{ user_data | b64encode }}" iamInstanceProfile: name: "{{ ec2_instance_profile_name }}" blockDeviceMappings: - deviceName: "/dev/xvda" ebs: volumeSize: 20 volumeType: "gp3" deleteOnTermination: true encrypted: true tags: "{{ aws_tags | combine({'Name': project_name + '-web-launch-template'}) }}" register: launch_template_result when: environment != 'localstack' or not localstack_skip_long_operations - name: Set launch template ID fact set_fact: launch_template_id: "{{ launch_template_result.result.launchTemplateId | default('lt-dummy') }}" launch_template_version: "{{ launch_template_result.result.latestVersionNumber | default('1') }}" - name: Create auto scaling group for web servers use_mcp_tool: server_name: ansible tool_name: aws_ec2 arguments: action: create_auto_scaling_group region: "{{ aws_region }}" autoScalingGroupName: "{{ project_name }}-web-asg" launchTemplate: launchTemplateId: "{{ launch_template_id }}" version: "{{ launch_template_version }}" minSize: "{{ ec2_min_instances }}" maxSize: "{{ ec2_max_instances }}" desiredCapacity: "{{ ec2_desired_instances }}" vpcZoneIdentifier: "{{ private_subnet_1_id }},{{ private_subnet_2_id }}" healthCheckType: "ELB" healthCheckGracePeriod: 300 tags: - key: "Name" value: "{{ project_name }}-web-server" propagateAtLaunch: true - key: "Project" value: "{{ project_name }}" propagateAtLaunch: true - key: "Environment" value: "{{ environment }}" propagateAtLaunch: true register: asg_result when: environment != 'localstack' or not localstack_skip_long_operations - name: Set ASG name fact set_fact: asg_name: "{{ asg_result.result.autoScalingGroupName | default(project_name + '-web-asg') }}" - name: Create CPU utilization scaling policy use_mcp_tool: server_name: ansible tool_name: aws_ec2 arguments: action: put_scaling_policy region: "{{ aws_region }}" autoScalingGroupName: "{{ asg_name }}" policyName: "{{ project_name }}-cpu-scaling-policy" policyType: "TargetTrackingScaling" targetTrackingConfiguration: predefinedMetricSpecification: predefinedMetricType: "ASGAverageCPUUtilization" targetValue: 70.0 scaleOutCooldown: 300 scaleInCooldown: 300 when: environment != 'localstack' or not localstack_skip_long_operations - name: Create dummy EC2 instances for LocalStack testing use_mcp_tool: server_name: ansible tool_name: aws_ec2 arguments: action: create region: "{{ aws_region }}" instanceType: "{{ ec2_instance_type }}" imageId: "{{ ec2_ami_id }}" keyName: "{{ ec2_key_name }}" securityGroupIds: - "{{ web_sg_id }}" subnetId: "{{ private_subnet_1_id }}" count: 1 tags: Name: "{{ project_name }}-web-server-1" Project: "{{ project_name }}" Environment: "{{ environment }}" register: ec2_instance_1_result when: environment == 'localstack' - name: Create second dummy EC2 instance for LocalStack testing use_mcp_tool: server_name: ansible tool_name: aws_ec2 arguments: action: create region: "{{ aws_region }}" instanceType: "{{ ec2_instance_type }}" imageId: "{{ ec2_ami_id }}" keyName: "{{ ec2_key_name }}" securityGroupIds: - "{{ web_sg_id }}" subnetId: "{{ private_subnet_2_id }}" count: 1 tags: Name: "{{ project_name }}-web-server-2" Project: "{{ project_name }}" Environment: "{{ environment }}" register: ec2_instance_2_result when: environment == 'localstack' - name: Set EC2 instance IDs and IPs for LocalStack set_fact: web1_instance_id: "{{ ec2_instance_1_result.instances[0].instanceId | default('i-dummy1') }}" web1_private_ip: "{{ ec2_instance_1_result.instances[0].privateIpAddress | default('10.0.3.10') }}" web1_public_ip: "{{ ec2_instance_1_result.instances[0].publicIpAddress | default('127.0.0.1') }}" web2_instance_id: "{{ ec2_instance_2_result.instances[0].instanceId | default('i-dummy2') }}" web2_private_ip: "{{ ec2_instance_2_result.instances[0].privateIpAddress | default('10.0.4.10') }}" web2_public_ip: "{{ ec2_instance_2_result.instances[0].publicIpAddress | default('127.0.0.1') }}" when: environment == 'localstack' - name: Wait for instances to be running in ASG use_mcp_tool: server_name: ansible tool_name: aws_ec2 arguments: action: describe_auto_scaling_groups region: "{{ aws_region }}" autoScalingGroupNames: - "{{ asg_name }}" register: asg_status until: (asg_status.result.autoScalingGroups | default([]) | length > 0 and asg_status.result.autoScalingGroups[0].instances | default([]) | length >= ec2_desired_instances) or environment == 'localstack' retries: 30 delay: 10 when: environment != 'localstack' or not localstack_skip_long_operations ignore_errors: "{{ environment == 'localstack' }}" - name: Get EC2 instance IDs from ASG set_fact: web_instance_ids: "{{ asg_status.result.autoScalingGroups[0].instances | default([]) | map(attribute='instanceId') | list }}" when: environment != 'localstack' or not localstack_skip_long_operations - name: Get EC2 instance details use_mcp_tool: server_name: ansible tool_name: aws_ec2 arguments: action: describe_instances region: "{{ aws_region }}" instanceIds: "{{ web_instance_ids }}" register: ec2_instances when: environment != 'localstack' or not localstack_skip_long_operations - name: Set EC2 instance IPs set_fact: web1_instance_id: "{{ web_instance_ids[0] | default('i-dummy1') }}" web1_private_ip: "{{ ec2_instances.reservations[0].instances[0].privateIpAddress | default('10.0.3.10') }}" web1_public_ip: "{{ ec2_instances.reservations[0].instances[0].publicIpAddress | default('127.0.0.1') }}" web2_instance_id: "{{ web_instance_ids[1] | default('i-dummy2') }}" web2_private_ip: "{{ ec2_instances.reservations[1].instances[0].privateIpAddress | default('10.0.4.10') }}" web2_public_ip: "{{ ec2_instances.reservations[1].instances[0].publicIpAddress | default('127.0.0.1') }}" when: environment != 'localstack' or not localstack_skip_long_operations and web_instance_ids | length >= 2 - name: Save EC2 instance information to file copy: content: | web1_instance_id: {{ web1_instance_id }} web1_private_ip: {{ web1_private_ip }} web1_public_ip: {{ web1_public_ip }} web2_instance_id: {{ web2_instance_id }} web2_private_ip: {{ web2_private_ip }} web2_public_ip: {{ web2_public_ip }} asg_name: {{ asg_name }} launch_template_id: {{ launch_template_id }} dest: "{{ playbook_dir }}/../.ec2_info.yml" mode: '0644'