7

E405 v4.0.0 Remote package tasks should have a retry Package operations are unreliable as they require network communication and the availability of remote servers. To mitigate the potential problems, retries should be used via register: my_result and until: my_result | success

This shows up when running ansible-lint as the following error:

[405] Remote package tasks should have a retry
plays/sample.yml:31
Task/Handler: Install list of packages

Given the sample code:

- name: Install list of packages
  apt:
    name: [jq, vim, curl, unzip, dnsutils]
    state: present

How to solve this?

7

ansible-lint warning 405 can be quite irritating as in certain cases, i.e. when running locally retrying is very unlikely to make any difference. Actually resolving it is normally simply a case of adding the following:

register: task_result
until: task_result is success
retries: 10
delay: 2

When this is added to task Ansible will retry ten times with a delay of two seconds between each retry until the returncode is 0.

  • 2
    Seems like an extremely nitpicky rule to me... there are some cases where this would be nice to have, but in the real world I think I've seen this on package-related tasks maybe < 1% of the time. Which is why I've opened 405 Remote package tasks should have a retry - too nitpicky? – geerlingguy Jan 4 at 3:35
  • I don’t think it’s too nit picky - I find more often than not I add extra lines just to appease Ansible-lint rather than to deliver value, this seems wrong. Retry by default seems sensible. – Richard Slater Jan 4 at 17:44
  • 1% is a huge numer if you the numeber operations done during a deployment. Even 1/1000 would be high enough to request a retry logic. Do not forget the multiplication factor and the cost of a failure. – sorin Feb 4 at 15:41

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