From 5120f8e90c0178ac7f6d911159ceb278dd87b4c9 Mon Sep 17 00:00:00 2001 From: Michael Gugino Date: Thu, 16 Nov 2017 14:56:14 -0500 Subject: Implement container runtime role --- roles/container_runtime/tasks/package_docker.yml | 167 +++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 roles/container_runtime/tasks/package_docker.yml (limited to 'roles/container_runtime/tasks/package_docker.yml') diff --git a/roles/container_runtime/tasks/package_docker.yml b/roles/container_runtime/tasks/package_docker.yml new file mode 100644 index 000000000..40ab75a25 --- /dev/null +++ b/roles/container_runtime/tasks/package_docker.yml @@ -0,0 +1,167 @@ +--- +- name: Get current installed Docker version + command: "{{ repoquery_installed }} --qf '%{version}' docker" + when: not openshift.common.is_atomic | bool + register: curr_docker_version + retries: 4 + until: curr_docker_version | succeeded + 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 + +- 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', '>=') + +# Make sure Docker is installed, but does not update a running version. +# Docker upgrades are handled by a separate playbook. +# Note: The curr_docker_version.stdout check can be removed when https://github.com/ansible/ansible/issues/33187 gets fixed. +- name: Install Docker + package: name=docker{{ '-' + docker_version if docker_version is defined else '' }} state=present + when: not openshift.common.is_atomic | bool and not curr_docker_version | skipped and not curr_docker_version.stdout != '' + register: result + until: result | success + +- block: + # Extend the default Docker service unit file when using iptables-services + - name: Ensure docker.service.d directory exists + file: + path: "{{ docker_systemd_dir }}" + state: directory + + - name: Configure Docker service unit file + template: + dest: "{{ docker_systemd_dir }}/custom.conf" + src: custom.conf.j2 + notify: + - restart container runtime + when: not (os_firewall_use_firewalld | default(False)) | bool + +- stat: path=/etc/sysconfig/docker + register: docker_check + +- name: Set registry params + lineinfile: + dest: /etc/sysconfig/docker + regexp: '^{{ item.reg_conf_var }}=.*$' + line: "{{ item.reg_conf_var }}='{{ item.reg_fact_val | oo_prepend_strings_in_list(item.reg_flag ~ ' ') | join(' ') }}'" + when: + - item.reg_fact_val != [] + - docker_check.stat.isreg is defined + - docker_check.stat.isreg + with_items: + - reg_conf_var: ADD_REGISTRY + reg_fact_val: "{{ l2_docker_additional_registries }}" + reg_flag: --add-registry + - reg_conf_var: BLOCK_REGISTRY + reg_fact_val: "{{ l2_docker_blocked_registries }}" + reg_flag: --block-registry + - reg_conf_var: INSECURE_REGISTRY + reg_fact_val: "{{ l2_docker_insecure_registries }}" + reg_flag: --insecure-registry + notify: + - restart container runtime + +- name: Place additional/blocked/insecure registries in /etc/containers/registries.conf + template: + dest: "{{ containers_registries_conf_path }}" + src: registries.conf + when: openshift_docker_use_etc_containers | bool + notify: + - restart container runtime + +- name: Set Proxy Settings + lineinfile: + dest: /etc/sysconfig/docker + regexp: '^{{ item.reg_conf_var }}=.*$' + line: "{{ item.reg_conf_var }}='{{ item.reg_fact_val }}'" + state: "{{ 'present' if item.reg_fact_val != '' else 'absent'}}" + with_items: + - reg_conf_var: HTTP_PROXY + reg_fact_val: "{{ docker_http_proxy }}" + - reg_conf_var: HTTPS_PROXY + reg_fact_val: "{{ docker_https_proxy }}" + - reg_conf_var: NO_PROXY + reg_fact_val: "{{ docker_no_proxy }}" + notify: + - restart container runtime + when: + - docker_check.stat.isreg is defined + - docker_check.stat.isreg + - docker_http_proxy != '' or docker_https_proxy != '' + +- name: Set various Docker options + lineinfile: + dest: /etc/sysconfig/docker + regexp: '^OPTIONS=.*$' + line: "OPTIONS='\ + {% if ansible_selinux.status | default(None) == 'enabled' and openshift_docker_selinux_enabled | default(true) | bool %} --selinux-enabled {% endif %} \ + {% if openshift_docker_log_driver | bool %} --log-driver {{ openshift_docker_log_driver }}{% endif %} \ + {% if l2_docker_log_options != [] %} {{ l2_docker_log_options | oo_split() | oo_prepend_strings_in_list('--log-opt ') | join(' ')}}{% endif %} \ + {% if openshift_docker_hosted_registry_insecure and (openshift_docker_hosted_registry_network | bool) %} --insecure-registry={{ openshift_docker_hosted_registry_network }} {% endif %} \ + {% if docker_options is defined %} {{ docker_options }}{% endif %} \ + {% if openshift_docker_options %} {{ openshift_docker_options }}{% endif %} \ + {% if openshift_docker_disable_push_dockerhub %} --confirm-def-push={{ openshift_docker_disable_push_dockerhub | bool }}{% endif %} \ + --signature-verification={{ openshift_docker_signature_verification | bool }}'" + when: docker_check.stat.isreg is defined and docker_check.stat.isreg + notify: + - restart container runtime + +- stat: path=/etc/sysconfig/docker-network + register: sysconfig_docker_network_check + +- name: Configure Docker Network OPTIONS + lineinfile: + dest: /etc/sysconfig/docker-network + regexp: '^DOCKER_NETWORK_OPTIONS=.*$' + line: "DOCKER_NETWORK_OPTIONS='\ + {% if openshift.node is defined and openshift.node.sdn_mtu is defined %} --mtu={{ openshift.node.sdn_mtu }}{% endif %}'" + when: + - sysconfig_docker_network_check.stat.isreg is defined + - sysconfig_docker_network_check.stat.isreg + notify: + - restart container runtime + +# The following task is needed as the systemd module may report a change in +# state even though docker is already running. +- name: Detect if docker is already started + command: "systemctl show docker -p ActiveState" + changed_when: False + register: r_docker_already_running_result + +- name: Start the Docker service + systemd: + name: docker + enabled: yes + state: started + daemon_reload: yes + register: r_docker_package_docker_start_result + until: not r_docker_package_docker_start_result | failed + retries: 3 + delay: 30 + +- set_fact: + docker_service_status_changed: "{{ (r_docker_package_docker_start_result | changed) and (r_docker_already_running_result.stdout != 'ActiveState=active' ) }}" + +- meta: flush_handlers + +# This needs to run after docker is restarted to account for proxy settings. +- include_tasks: registry_auth.yml -- cgit v1.2.3