Build-AMI

#!/bin/bash
# Purpose: Blue/Green Deployments with AWS CodeDeploy
# OS AmazonLinux
# Maintainer DevOps Muhammad Asim

######################
# Docker Installation
######################

yum update -y
yum install -y docker || amazon-linux-extras install docker -y

yum install -y nc jq tmux
systemctl start docker
systemctl enable docker

#################################
# Docker Compose v1 installation
#################################
curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
docker-compose --version


#################################
# Docker Compose V2 Installation
#################################
#########################################################################################
# 1 Run the following command to download the current stable release of Docker Compose
#########################################################################################

mkdir -p ~/.docker/cli-plugins/
curl -SL https://github.com/docker/compose/releases/download/v2.0.1/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose

 ###############################################
 # 2 Apply executable permissions to the binary
 ###############################################

chmod +x ~/.docker/cli-plugins/docker-compose

  ###############################################
  # 3 Apply executable permissions to the binary
  ###############################################

docker compose version



################################
# CodeDeploy Agent Installation
################################

yum update -y

yum install ruby -y

yum install wget -y

cd /home/ec2-user

wget https://aws-codedeploy-us-east-1.s3.us-east-1.amazonaws.com/latest/install

chmod +x ./install

./install auto

./install auto -v releases/codedeploy-agent-###.rpm

service codedeploy-agent status

service codedeploy-agent start

systemctl enable codedeploy-agent

################################
# CloudWatch Agent Enable
################################

# Automation
# https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/identify_ec2_instances.html

yum install -y amazon-cloudwatch-agent

INSTANCE_ID=$(cat /sys/devices/virtual/dmi/id/board_asset_tag)

cat << EOF > /opt/aws/amazon-cloudwatch-agent/etc/amazon-cloudwatch-agent.toml
[agent]
  collection_jitter = "0s"
  debug = false
  flush_interval = "1s"
  flush_jitter = "0s"
  hostname = ""
  interval = "60s"
  logfile = "/opt/aws/amazon-cloudwatch-agent/logs/amazon-cloudwatch-agent.log"
  logtarget = "lumberjack"
  metric_batch_size = 1000
  metric_buffer_limit = 10000
  omit_hostname = false
  precision = ""
  quiet = false
  round_interval = false

[inputs]

  [[inputs.disk]]
    fieldpass = ["used_percent"]
    tagexclude = ["mode"]
    [inputs.disk.tags]
      metricPath = "metrics"

  [[inputs.logfile]]
    destination = "cloudwatchlogs"
    file_state_folder = "/opt/aws/amazon-cloudwatch-agent/logs/state"

    [[inputs.logfile.file_config]]
      file_path = "/var/log/cfn-hup.log"
      from_beginning = true
      log_group_name = "EC2-CloudWatchLogs"
      log_stream_name = "$INSTANCE_ID/cfn-hup.log"
      pipe = false
      timezone = "UTC"

    [[inputs.logfile.file_config]]
      file_path = "/var/log/cfn-init.log"
      from_beginning = true
      log_group_name = "EC2-CloudWatchLogs"
      log_stream_name = "$INSTANCE_ID/cfn-init.log"
      pipe = false
      timezone = "UTC"

    [[inputs.logfile.file_config]]
      file_path = "/var/log/cfn-init-cmd.log"
      from_beginning = true
      log_group_name = "EC2-CloudWatchLogs"
      log_stream_name = "$INSTANCE_ID/cfn-init-cmd.log"
      pipe = false
      timezone = "UTC"

    [[inputs.logfile.file_config]]
      file_path = "/var/log/cloud-init.log"
      from_beginning = true
      log_group_name = "EC2-CloudWatchLogs"
      log_stream_name = "$INSTANCE_ID/cloud-init.log"
      pipe = false
      timezone = "UTC"

    [[inputs.logfile.file_config]]
      file_path = "/var/log/cloud-init-output.log"
      from_beginning = true
      log_group_name = "EC2-CloudWatchLogs"
      log_stream_name = "$INSTANCE_ID/cloud-init-output.log"
      pipe = false
      timezone = "UTC"

    [[inputs.logfile.file_config]]
      file_path = "/var/log/cfn-wire.log"
      from_beginning = true
      log_group_name = "EC2-CloudWatchLogs"
      log_stream_name = "$INSTANCE_ID/cfn-wire.log"
      pipe = false
      timezone = "UTC"
    [inputs.logfile.tags]
      metricPath = "logs"

  [[inputs.mem]]
    fieldpass = ["used_percent"]
    [inputs.mem.tags]
      metricPath = "metrics"

[outputs]

  [[outputs.cloudwatch]]
    force_flush_interval = "60s"
    namespace = "CWAgent"
    region = "us-east-1"
    tagexclude = ["host", "metricPath"]
    [outputs.cloudwatch.tagpass]
      metricPath = ["metrics"]

  [[outputs.cloudwatchlogs]]
    force_flush_interval = "5s"
    log_stream_name = "$INSTANCE_ID"
    region = "us-east-1"
    tagexclude = ["metricPath"]
    [outputs.cloudwatchlogs.tagpass]
      metricPath = ["logs"]

[processors]

  [[processors.ec2tagger]]
    ec2_metadata_tags = ["InstanceId"]
    refresh_interval_seconds = "0s"
    [processors.ec2tagger.tagpass]
      metricPath = ["metrics"]


EOF

# https://stackoverflow.com/questions/10309968/sed-search-and-replace-strings-containing
LINE_OLD='/opt/aws/amazon-cloudwatch-agent/bin/start-amazon-cloudwatch-agent'
LINE_NEW='/opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent -config /opt/aws/amazon-cloudwatch-agent/etc/amazon-cloudwatch-agent.toml'

sed -i "s%$LINE_OLD%$LINE_NEW%g"  /etc/systemd/system/amazon-cloudwatch-agent.service

systemctl daemon-reload

systemctl start amazon-cloudwatch-agent

systemctl enable amazon-cloudwatch-agent


#END