Why does this task (from Best way to launch aws ec2 instances with ansible):
- name: Add the newly created EC2 instance(s) to the local host group (located inside the directory)
local_action: lineinfile
dest="./hosts"
regexp={{ item.public_ip }}
insertafter="[webserver]" line={{ item.public_ip }}
with_items: ec2.instances
create this error?
TASK [Add the newly created EC2 instance(s) to the local host group (located inside the directory)] ********************************************************************
fatal: [localhost]: FAILED! => {"failed": true, "msg": "the field 'args' has an invalid value, which appears to include a variable that is undefined. The error was: 'ansible.vars.unsafe_proxy.AnsibleUnsafeText object' has no attribute 'public_ip'\n\nThe error appears to have been in '/Users/snowcrash/ansible-ec2/ec2_launch.yml': line 55, column 9, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n - name: Add the newly created EC2 instance(s) to the local host group (located inside the directory)\n ^ here\n"}