ecr_imagecleanup script and taskdefcleanup script

Cleaning up all the Docker images from the ECR and keeping only the latest Docker image and the latest Docker image tag number is taken from the Bamboo build number.

#!/bin/bash

#myecs_securitytoken=$(aws ecr get-authorization-token --region us-AZregion --output text --query authorizationData[].authorizationToken)

#$myecs_securitytoken

tag=$(aws ecr list-images --repository-name appname --output text --query imageIds[].imageTag)

imgflag=($tag)

buildnum=$(curl --user robot_user:xxxxx99$ http://ipaddress:portnumber/rest/api/latest/result/appname-DB.json |sed  's/"buildNumber":/&\n/;s/.*\n//;s/}/\n&/;s/\n.*//' )

n="0"

while [ $n -lt ${#imgflag[@]} ]

do

if [ ${imgflag[n]} -eq $buildnum ];

then

n=$[$n+1]

fi

delimg=${imgflag[n]}    

aws ecr batch-delete-image --repository-name docker-appname --image-ids imageTag=$delimg

echo "ecr imagetag:$delimg is deleted"

n=$[$n+1]

done

Cleaning up all the taskdefinitions  and keeping only the latest taskdefinition in the ECS (Ec2 container service).

#!/bin/bash

rev_arry=$(aws ecs list-task-definitions --family-prefix appname --query taskDefinitionArns[]|cut -f7 -d :| cut -c1-2) 

maxrev_num=($rev_arry) 

arrlen=$((${#maxrev_num[@]}-2))

latest_revision=$(aws ecs list-task-definitions --family appname --sort desc --max-items 1 --query taskDefinitionArns|cut -c64-65) 

n="1" 

while [ $n -lt $arrlen ] 

do 

if [ ${maxrev_num[n]} -eq $latest_revision ]; 

then 

n=$[$n+1] 

fi 

delrevision=${maxrev_num[n]} 

aws ecs deregister-task-definition --task-definition appname:$delrevision 

echo "ecr taskdefiniton:$delrevision is deleted" 

n=$[$n+1] 

done