Dan Farrell farrellit
farrellit
/ gist:4e526552f1b322706d8d0003d607edfe
Created
December 21, 2016 02:36
which elbs in route53?
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| aws route53 list-hosted-zones --query HostedZones[?Id!=null].Id --output text | grep -v None | xargs -n 1 aws route53 list-resource-record-sets --query 'ResourceRecordSets[?AliasTarget!=null][AliasTarget.DNSName]' --hosted-zone-id --output text | grep -F elb.amazonaws.com |
farrellit
/ aws-public-connectivity.sh
Created
December 19, 2016 03:57
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| iid=i-04XXXXXXXXXXXXX4f | |
| # find security group of instance | |
| securitygroups=`aws --profile dev ec2 describe-instances --region us-east-2 --instance-id $iid --query Reservations[*].Instances[*].SecurityGroups[*][GroupId] --output text` | |
| # see open rules ( there's usually not many ) | |
| aws --profile dev --region us-east-2 ec2 describe-security-groups --group-ids $securitygroups --query '*[*][GroupId,IpPermissions[?FromPort!=null].[FromPort,ToPort,IpRanges[*].CidrIp]]' --output text | |
| # find subnet | |
| subnet=`aws --profile dev ec2 describe-instances --region us-east-2 --instance-id $iid --query Reservations[*].Instances[*][SubnetId] --output text` | |
| # now check default route. If it's through an IGW, we should be good! | |
| aws ec2 --region us-east-2 --profile dev describe-route-tables --filters Name=association.subnet-id,Values=$subnet --query RouteTables[*].Routes[?DestinationCidrBlock=='`0.0.0.0/0`'] | |
| # get it's public IP |
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