AWS - Get all AZs for the subnet

get-all-az.bash

typeset -A newmap
newmap[111111111111]="IAD-Alpha"
newmap[222222222222]="IAD-Beta"


# echo ${newmap[111111111111]}
# for key ("${(@k)newmap}") printf 'key=%s value=%s\n' "$key" "$newmap[$key]"


for key ("${(@k)newmap}") 
do
	# use cli command to switch role, check sth here https://stackoverflow.com/questions/593334/how-to-use-multiple-aws-accounts-from-the-command-line
	echo "Adding AZ for $newmap[$key] with accountId $key" >> minos_subnet_az_array
	aws ec2 describe-subnets --filters "Name=tag:Name,Values=*PublicSubnet*" --query 'Subnets[*].{az:AvailabilityZoneId,name:Tags[?Key==`Name`].Value[]} | sort_by([], &to_string(name))[].az'  --output json >> minos_subnet_az_array
done

typeset -A newmap
newmap[333333333333]="DUB-Alpha"
newmap[444444444444]="DUB-Beta"


for key ("${(@k)newmap}") 
do
	echo "Adding AZ for $newmap[$key] with accountId $key" >> minos_subnet_az_array
	aws ec2 describe-subnets --region eu-west-1 --filters "Name=tag:Name,Values=*PublicSubnet*" --query 'Subnets[*].{az:AvailabilityZoneId,name:Tags[?Key==`Name`].Value[]} | sort_by([], &to_string(name))[].az'  --output json >> minos_subnet_az_array
done

typeset -A newmap
newmap[555555555555]="PDX-Alpha"
newmap[666666666666]="PDX-Beta"

for key ("${(@k)newmap}") 
do
	# Command to switch to the account with role
	echo "Adding AZ for $newmap[$key] with accountId $key" >> minos_subnet_az_array
	aws ec2 describe-subnets --region us-west-2 --filters "Name=tag:Name,Values=*PublicSubnet*" --query 'Subnets[*].{az:AvailabilityZoneId,name:Tags[?Key==`Name`].Value[]} | sort_by([], &to_string(name))[].az'  --output json >> minos_subnet_az_array
done

Reference:

1. Iterate over associate array in Zsh
2. Associate array declaration
3. Filtering for AWS cli output
4. Describe subnets