Comments (3)
This sets the hostname as the name
input of the module plus suffixes. e.g my-host-1, my-host-2:
main.tf
data "template_file" "user_data" {
template = "${file("user-data.tpl")}"
}
module "ec2" {
...
name = "my-host"
user_data = "${data.template_file.user_data.rendered}"
...
}
user-data.tpl
#cloud-config
packages:
- curl
- awscli
perserve_hostname: true
runcmd:
# get region
- export AWS_REGION=$(curl -s http://169.254.169.254/latest/dynamic/instance-identity/document | grep region | awk -F\" '{print $4}')
# setup awscli
- mkdir -p /root/.aws
- echo -e "[default]\nregion=$AWS_REGION" | tee /root/.aws/config
# get instance name
- export FQDN=$(aws ec2 describe-tags --filters "Name=resource-id,Values=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)" "Name=key,Values=Name" --output=text | cut -f 5)
# set hostname
- hostnamectl set-hostname --static $FQDN
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Closing this issue.
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