Ansible, "copy" module and "become"
For testing I did spin up a couple of new virtual (Ubuntu 20.04 LTS) instances, installed PostgreSQL, and wanted to copy over a .sql file to install in the database:
- name: copy files to PostgreSQL data directory
copy:
src: "files/{{ item }}"
dest: "{{ item }}"
mode: 0700
become: yes
become_user: postgres
loop:
- file1.sql
- file2.sql
And ran into a meaningless error message:
TASK [copy files to PostgreSQL data directory] ***********
fatal: [xxx.xxx.xxx.xxx]: FAILED! => {"msg": "Failed to set permissions on the temporary files Ansible needs to create when becoming an unprivileged user (rc: 1, err: chown: changing ownership of '/var/tmp/ansible-tmp-1618521951.848439-176484068031965/': Operation not permitted\nchown: changing ownership of '/var/tmp/ansible-tmp-1618521951.848439-176484068031965/source': Operation not permitted\n}). For information on working around this, see https://docs.ansible.com/ansible/become.html#becoming-an-unprivileged-user"}
The solution to this problem is rather easy, but not straighforward: the "acl" package is missing.
- name: Install additional packages
apt:
name:
- sudo
- acl
state: present
Once this package is installed, the "copy" works as expected. The Ansible error message is misleading.
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