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AWS Instance Counts from BOSH Deployed VMs

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[系统(linux) 所属分类 系统(linux) | 发布者 店小二03 | 时间 2016 | 作者 红领巾 ] 0人收藏点击收藏

Ever wonder how many of the VMS in AWS Console were deployed via BOSH? How about the number of instance types so you can start using reserved instances?

The script below will show you the number of BOSH deployed VMS you have for each defined director on AWS.

A few assumptions:

You can log into each BOSH Director from a single jump box You have a BOSH Client credentials created You have AWS credentials (hint: find your bosh-init manifest)

In the example below there are two directors called useast2-a and useast2-b , each has a set of unique credentials for BOSH and AWS.

function set_env_useast2_a { export REPORT_ENV="useast2_a" export BOSH_CLIENT=reporting export BOSH_CLIENT_SECRET=boshSecret export AWS_ACCESS_KEY_ID=AKIANICETRYNOTSODUMB export AWS_SECRET_ACCESS_KEY="viooijijobniAoaieuAjblisdfiueBoiuwp8eufg" export AWS_DEFAULT_REGION="us-east-2" bosh target 192.168.0.2 } function set_env_useast2_b { export REPORT_ENV="useast2_b" export BOSH_CLIENT=reporting export BOSH_CLIENT_SECRET=boshSecret2 export AWS_ACCESS_KEY_ID=AKIANICETRYNOTSOTUFF export AWS_SECRET_ACCESS_KEY="viooijijobniAoaieuAjblasdfffdadgggdeehgb" export AWS_DEFAULT_REGION="us-east-2" bosh target 192.168.0.3 } function generate_files { list_of_instances=$(bosh vms --details | grep " i-" | cut -d '|' -f 7) aws ec2 describe-instances --instance-ids ${list_of_instances} --query 'Reservations[*].Instances[*].[Placement.AvailabilityZone, InstanceType]' --output text > ${REPORT_ENV}.out sleep 1 aws ec2 describe-instances --instance-ids ${list_of_instances} --query 'Reservations[*].Instances[*].[Placement.AvailabilityZone, InstanceType]' --output text >> ${AWS_DEFAULT_REGION}.out cat ${REPORT_ENV}.out | sort -nr | uniq -c > ${REPORT_ENV}.count.out cat ${AWS_DEFAULT_REGION}.out | sort -nr | uniq -c > ${AWS_DEFAULT_REGION}.count.out } for set_env in useast2_a useast2_b; do eval set_env_${set_env} generate_files done for aws_region in "us-east-2"; do # <=== Add more regions here if you have more than 1 echo "Region: ${aws_region}" cat ${aws_region}.count.out done

Note that you can extend the script to handle multiple regions by simply adding any uniquely defined AWS_DEFAULT_REGION s in the final for loop. You will also want to wipe out the *.out files between runs.

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