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Query aws api to lookup for tag=value and print the instance name
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| #!/usr/bin/python | |
| # Usage : | |
| # aws ec2 describe-instances --filter="Name=instance-state-name,Values=running" | aws-instances-lookup <tag name> <tag value> | |
| import sys | |
| import json | |
| def get_tag(instance, tag_key): | |
| for tag in instance['Tags']: | |
| if tag['Key'] == tag_key: | |
| print tag['Value'] | |
| tag_key = sys.argv[1] | |
| tag_value = sys.argv[2] | |
| instances_id = [] | |
| instances_name = [] | |
| output = json.load(sys.stdin) | |
| reservations = output["Reservations"] | |
| for reservation in reservations: | |
| instance = reservation['Instances'][0] | |
| for tag in instance['Tags']: | |
| if tag['Key'] == tag_key: | |
| if tag['Value'] == tag_value: | |
| instances_id.append(str(instance['InstanceId'])) | |
| get_tag(instance, 'Name') |
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