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Precision on control machine mixed Ansible installation

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Erwan Miran 2018-09-07 17:26:55 +02:00
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README.md
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@ -36,6 +36,16 @@ To deploy the cluster you can use :
# Deploy Kubespray with Ansible Playbook # Deploy Kubespray with Ansible Playbook
ansible-playbook -i inventory/mycluster/hosts.ini cluster.yml ansible-playbook -i inventory/mycluster/hosts.ini cluster.yml
Note: When Ansible is already installed via system packages on the control machine, other python packages installed via `sudo pip install -r requirements.txt` will go to a different directory tree (e.g. `/usr/local/lib/python2.7/dist-packages` on Ubuntu) from Ansible's (e.g. `/usr/lib/python2.7/dist-packages/ansible` still on Ubuntu).
As a consequence, `ansible-playbook` command will fail with:
```
ERROR! no action detected in task. This often indicates a misspelled module name, or incorrect module path.
```
probably pointing on a task depending on a module present in requirements.txt (i.e. "unseal vault").
One way of solving this would be to uninstall the Ansible package and then, to install it via pip but it is not always possible.
A workaround consists of setting `ANSIBLE_LIBRARY` and `ANSIBLE_MODULE_UTILS` environment variables respectively to the `ansible/modules` and `ansible/module_utils` subdirectories of pip packages installation location, which can be found in the Location field of the output of `pip show [package]` before executing `ansible-playbook`.
### Vagrant ### Vagrant
For Vagrant we need to install python dependencies for provisioning tasks. For Vagrant we need to install python dependencies for provisioning tasks.