Hi all,
Here is the situation that I am not sure how to deal with it.
shell: echo {{ ec2_tag_Name | regex_replace('(^[a-z]+-[a-z0-9]+).*',
'\\1') }}
And certainly, I have other shell command where I echo something and use
register to capture the output such as the following:
- name: get public ipv4 address
shell: curl http://169.254.169.254/latest/meta-data/public-ipv4
register: public_ipv4
So when I ran these in ansible_pull then these tasks worked just fine.
When I ran against the public_hostname of the EC2 instance with
ansible-playbook myplaybookyml -i /usr/local/src/public_hostname
where public_hostname in AWS has the public DNS entry of the instance and I
believe this entry will resolve to private IP address in AWS. This will NOT
work.
ansible-playbook myplaybook.yml -i host.localhost
where host.localhost has 'localhost" as the only entry and this will NOT
work either.
ansible-playbook myplaybook.yml -i ec.py --limit $public_ip
The public IP address is just the actual IP address of the instance. This
will work.
For those 2 cases when things failed to work I did not get error message
but and OK with something like the following:
ok: [a.b.c.c] => {"msg": "check mode not supported for shell", "skipped":
true}
So shell module seemed to give me these message and fail to execute the
shell command at all in the case I use localhost or the public DNS name in
AWS that resolves to the private IP address.
I ran these locally on the instance.
Please share your thoughts on what could have been the case here. Bug or
security feature???
Thank you very much,
Steven
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