diff options
Diffstat (limited to 'roles/docker')
| -rw-r--r-- | roles/docker/defaults/main.yml | 2 | ||||
| -rw-r--r-- | roles/docker/tasks/main.yml | 40 |
2 files changed, 40 insertions, 2 deletions
diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml index 1b26af0dd..da11ed0af 100644 --- a/roles/docker/defaults/main.yml +++ b/roles/docker/defaults/main.yml @@ -1,2 +1,2 @@ --- -docker_version: ''
\ No newline at end of file +docker_protect_installed_version: False diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml index 1f5f891c7..89a248d9e 100644 --- a/roles/docker/tasks/main.yml +++ b/roles/docker/tasks/main.yml @@ -2,10 +2,48 @@ - stat: path=/etc/sysconfig/docker-storage register: docker_storage_check +- name: Get current installed Docker version + command: "{{ repoquery_cmd }} --installed --qf '%{version}' docker" + when: not openshift.common.is_atomic | bool + register: curr_docker_version + changed_when: false + +- 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 and not docker_protect_installed_version | bool + +- 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', '<') + +- name: Get latest available version of Docker + command: > + {{ repoquery_cmd }} --qf '%{version}' "docker" + register: avail_docker_version + failed_when: false + changed_when: false + when: docker_version is defined and not openshift.common.is_atomic | bool + +# 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, '>') and not docker_protect_installed_version | bool + +# 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 use the Docker upgrade playbook for this." + 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', '>=') and not docker_protect_installed_version | bool + # Make sure Docker is installed, but does not update a running version. # Docker upgrades are handled by a separate playbook. - name: Install Docker - action: "{{ ansible_pkg_mgr }} name=docker state=present" + action: "{{ ansible_pkg_mgr }} name=docker{{ '-' + docker_version if docker_version is defined and not docker_protect_installed_version | bool else '' }} state=present" when: not openshift.common.is_atomic | bool - name: Start the Docker service |