Your playbook gave me an error too:
fatal: [localhost]: FAILED! => {"cache_update_time": 0, "cache_updated":
false, "changed": false, "failed": true, "msg": "'/usr/bin/apt-get -y -o
\"Dpkg::Options::=--force-downgrade\" install 'haproxy=1.4.24-2'' failed:
E: There are problems and -y was used without --force-yes\n", "stderr": "E:
There are problems and -y was used without --force-yes\n", "stdout": "Reading
package lists...\nBuilding dependency tree...\nReading state
information...\nSuggested packages:\n vim-haproxy\nThe following packages
will be DOWNGRADED:\n haproxy\n0 upgraded, 0 newly installed, 1
downgraded, 0 to remove and 0 not upgraded.\nNeed to get 453 kB of
archives.\nAfter this operation, 403 kB disk space will be freed.\n",
"stdout_lines": ["Reading package lists...", "Building dependency tree...",
"Reading
state information...", "Suggested packages:", " vim-haproxy", "The
following packages will be DOWNGRADED:", " haproxy", "0 upgraded, 0 newly
installed, 1 downgraded, 0 to remove and 0 not upgraded.", "Need to get 453
kB of archives.", "After this operation, 403 kB disk space will be freed."]}
But I added parameter "force: yes" and package downgraded successfully.
Resulted playbook:
---
- hosts: all
tasks:
- name: install haproxy
apt:
name: haproxy=1.4.24-2
force: yes
dpkg_options: force-downgrade
sudo: yes
I used Ansible v. 2.0.1.0 on Ubuntu 14.04 amd64. I tested with this command:
ansible-playbook -s --ask-sudo-pass -i inventory/testing/localhost
--limit=localhost
--connection=local downgrading.yml
On Wednesday, March 2, 2016 at 9:27:24 PM UTC+5, [email protected]
wrote:
>
> Hello,
>
> in my ansible playbook I want to ensure a specific version of a package is
> installed, even if that would mean downgrading it. I know that I can
> specify version together with package name, like this: haproxy=1.4.24-2.
> However, this is not enough in case of downgrading: this playbook
>
> - hosts: all
> tasks:
> - name: install haproxy
> apt:
> name: haproxy=1.4.24-2
> sudo: yes
>
> will fail if a newer version of haproxy is installed. I know that I can
> use "force" attribute, but that would also disable some useful security
> checks - for example, with force=yes Ansible would install a package even
> if it couldn't be authenticated. Is there a better way?
>
> I thought that "dpkg_options" may help me, but this playbook also fails on
> downgrade:
>
> - hosts: all
> tasks:
> - name: install haproxy
> apt:
> name: haproxy=1.4.24-2
> dpkg_options: force-downgrade
> sudo: yes
>
> Is this a bug?
> Maybe I should approach this problem in an altogether different way?
>
> best,
> Jan
>
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