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OME Ansible installation

This repository uses Ansible 2.0 features. See the Ansible documentation for full installation instructions.

Installation

  • Create a virtual environment and install the Ansible requirements (including shade for using with OpenStack):

      virtualenv ~/venvs/ansible
  ~/venvs/ansible/bin/pip install -r requirements.txt

  • Clone this repository:

      git clone https://github.com/openmicroscopy/infrastructure.git

  • Execute the following commands from the ansible subdirectory of the infrastructure repository.

  • Download the necessary Ansible roles:

      ansible-galaxy install -r requirements.yml

  • Clone the repository containing the inventory, host and group vars files. Ansible will automatically look for host_vars and group_vars directories in the parent directory of the inventory file. This should be located at ../../ansible/inventory such that -i ../../ansible/inventory would be correct.

Examples

In the following examples replace example-hosts with the private host inventory file

Dry-run ci-provision.yml for all hosts listed in ci-provision.yml:

  • -u Login as this user
  • --ask-become-pass prompt for sudo password
  • -C Dry-run mode
  • -v Verbose (repeat to increase verbosity)

Note this may fail since some tasks are dependent on others being completed:

ansible-playbook -u $USERNAME --ask-become-pass -C -v ci-provision.yml

Run provision.yml:

ansible-playbook -u $USERNAME --ask-become-pass ci-provision.yml

Run provision.yml for all subset of the hosts or groups listed in provision.yml:

ansible-playbook -u $USERNAME --ask-become-pass ci-provision.yml --limit $HOST_OR_GROUP_NAME

List the hosts that would be targeted by a command, don't do anything else:

ansible-playbook ci-provision.yml --list-hosts

Playbooks which do not alter hardware can often be tested in Docker instead of a full VM, for example by using the omero-ssh image:

docker run -d omero-ssh
# Optional:
ssh-copy-id [email protected]
# Pass -K if sudo requires a password, and -k if ssh keys aren't setup
ansible-playbook -i etc/test-hosts -u omero ci-deployment.yml -bv