diff options
Diffstat (limited to 'roles/container_runtime/tasks/docker_sanity.yml')
-rw-r--r-- | roles/container_runtime/tasks/docker_sanity.yml | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/roles/container_runtime/tasks/docker_sanity.yml b/roles/container_runtime/tasks/docker_sanity.yml new file mode 100644 index 000000000..e62cf5505 --- /dev/null +++ b/roles/container_runtime/tasks/docker_sanity.yml @@ -0,0 +1,27 @@ +--- +# Sanity checks to ensure the role will complete and provide helpful error +# messages for common problems. + +- name: Error out if Docker pre-installed but too old + fail: + msg: "Docker {{ curr_docker_version.stdout }} is installed, but >= 1.9.1 is required." + when: not curr_docker_version | skipped and curr_docker_version.stdout != '' and curr_docker_version.stdout | version_compare('1.9.1', '<') and not docker_version is defined + +- name: Error out if requested Docker is too old + fail: + msg: "Docker {{ docker_version }} requested, but >= 1.9.1 is required." + when: docker_version is defined and docker_version | version_compare('1.9.1', '<') + +# If a docker_version was requested, sanity check that we can install or upgrade to it, and +# no downgrade is required. +- name: Fail if Docker version requested but downgrade is required + fail: + msg: "Docker {{ curr_docker_version.stdout }} is installed, but version {{ docker_version }} was requested." + when: not curr_docker_version | skipped and curr_docker_version.stdout != '' and docker_version is defined and curr_docker_version.stdout | version_compare(docker_version, '>') + +# This involves an extremely slow migration process, users should instead run the +# Docker 1.10 upgrade playbook to accomplish this. +- name: Error out if attempting to upgrade Docker across the 1.10 boundary + fail: + msg: "Cannot upgrade Docker to >= 1.10, please upgrade or remove Docker manually, or use the Docker upgrade playbook if OpenShift is already installed." + when: not curr_docker_version | skipped and curr_docker_version.stdout != '' and curr_docker_version.stdout | version_compare('1.10', '<') and docker_version is defined and docker_version | version_compare('1.10', '>=') |