cookbook for monitoring-script to know the ecs-agent connectivity status

Berksfile

# frozen_string_literal: true

source 'https://supermarket.chef.io'

metadata

Attributes

#

# Cookbook Name:: checkagentconnect

# Attributes:: default

default['CLUSTER']['ENV'] = 'Dev'

Metadata.rb

name 'checkagentconnect'

maintainer 'The Authors'

maintainer_email 'kaushikvhm@gmail.com'

license 'All Rights Reserved'

description 'Installs/Configures checkagentconnect'

long_description 'Installs/Configures checkagentconnect'

version '0.1.0'

chef_version '>= 12.1' if respond_to?(:chef_version)

recipes

#

# Cookbook:: checkagentconnect

# Recipe:: default

#

# Copyright:: 2017, The Authors, All Rights Reserved.

template '/tmp/get-pip.py' do

source 'tmp/get-pip.py.erb'

mode '0755'

end

bash 'Install python pip and awscli' do

  code <<-EOH

       python /tmp/get-pip.py

       pip install awscli

    EOH

  not_if { ::File.exist?('/tmp/get-pip.py') }

end

template '/tmp/AgentStatusWithInstance.sh' do

source 'tmp/AgentStatusWithInstance.sh.erb'

mode '0755'

end

cron 'AgentNotification' do

hour '*'

minute '*/1'

command "/tmp/AgentStatusWithInstance.sh"

#user centos

end

======================================================================

Templates 

#!/bin/bash

getLocalIpaddress=`hostname -I`

arrayIpaddress=($getLocalIpaddress)

validIpaddress=${arrayIpaddress[0]}

#echo $validIpaddress

aws ec2 describe-instances >> /tmp/jsontxt

var=$(jq --arg validIpaddress "$validIpaddress" '.Reservations[].Instances[]|select(.PrivateIpAddress==$validIpaddress)|.InstanceId' jsontxt)

var2=$(echo $var|tr -d '"')

#echo $var2

ECS_CLUSTER=<%= node['CLUSTER']['ENV']%>

CONTAINERS_ID=$(aws ecs list-container-instances --cluster $ECS_CLUSTER --output text --query 'containerInstanceArns')

DATE=$(date +%Y-%m-%d-%H:%M)

for container in $CONTAINERS_ID

do

STATUS=$(aws ecs describe-container-instances --container-instances $container --cluster $ECS_CLUSTER --output json --query 'containerInstances[0].agentConnected')

CHECK_INSTANCE_ID=$(aws ecs describe-container-instances --container-instances $container --cluster $ECS_CLUSTER --output text --query 'containerInstances[0].ec2InstanceId')

#echo "check instance $CHECK_INSTANCE_ID"

if [ "$var2"  = "$CHECK_INSTANCE_ID" ]

then

if [ $STATUS == "true" ]

then

#echo $validIpaddress

#echo $var2

Agentversion=$(aws ecs describe-container-instances --container-instances $container --cluster $ECS_CLUSTER --output text --query 'containerInstances[0].versionInfo.agentVersion')

echo $Agentversion

dockerversion=$(aws ecs describe-container-instances --container-instances $container --cluster $ECS_CLUSTER --output text --query 'containerInstances[0].versionInfo.dockerVersion')

#echo $dockerversion

tags=$(jq --arg instanceid "$var2" '.Reservations[].Instances[]|select(.InstanceId==$instanceid)|.Tags[]|select(.Key=="Name")|.Value' /tmp/jsontxt)

#echo $tags

echo -e "Ipaddress=$validIpaddress\n Agentversion=$Agentversion\n dockerversion=$dockerversion\n tags=$tags\n" | mailx -s "ECS-Agent is not connected with the following host" xxxxxxxxxxxx@mail.com

fi

=====================================================================