diff options
Diffstat (limited to 'roles/docker/tasks')
| -rw-r--r-- | roles/docker/tasks/main.yml | 29 | ||||
| -rw-r--r-- | roles/docker/tasks/package_docker.yml | 175 | ||||
| -rw-r--r-- | roles/docker/tasks/systemcontainer_crio.yml | 203 | ||||
| -rw-r--r-- | roles/docker/tasks/systemcontainer_docker.yml | 204 | ||||
| -rw-r--r-- | roles/docker/tasks/udev_workaround.yml | 24 |
5 files changed, 635 insertions, 0 deletions
diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml new file mode 100644 index 000000000..f73f90686 --- /dev/null +++ b/roles/docker/tasks/main.yml @@ -0,0 +1,29 @@ +--- +# These tasks dispatch to the proper set of docker tasks based on the +# inventory:openshift_docker_use_system_container variable + +- include: udev_workaround.yml + when: docker_udev_workaround | default(False) | bool + +- set_fact: + l_use_system_container: "{{ openshift.docker.use_system_container | default(False) }}" + l_use_crio: "{{ openshift_use_crio | default(False) }}" + l_use_crio_only: "{{ openshift_use_crio_only | default(False) }}" + +- name: Use Package Docker if Requested + include: package_docker.yml + when: + - not l_use_system_container + - not l_use_crio_only + +- name: Use System Container Docker if Requested + include: systemcontainer_docker.yml + when: + - l_use_system_container + - not l_use_crio_only + +- name: Add CRI-O usage Requested + include: systemcontainer_crio.yml + when: + - l_use_crio + - inventory_hostname in groups['oo_masters_to_config'] or inventory_hostname in groups['oo_nodes_to_config'] diff --git a/roles/docker/tasks/package_docker.yml b/roles/docker/tasks/package_docker.yml new file mode 100644 index 000000000..888ae40e7 --- /dev/null +++ b/roles/docker/tasks/package_docker.yml @@ -0,0 +1,175 @@ +--- +- name: Get current installed Docker version + command: "{{ repoquery_cmd }} --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. +- name: Install Docker + package: name=docker{{ '-' + docker_version if docker_version is defined else '' }} state=present + when: not openshift.common.is_atomic | bool + +- 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 docker + when: not (os_firewall_use_firewalld | default(False)) | bool + +- name: Add enterprise registry, if necessary + set_fact: + l2_docker_additional_registries: "{{ l2_docker_additional_registries + [openshift_docker_ent_reg] }}" + when: + - openshift.common.deployment_type == 'openshift-enterprise' + - openshift_docker_ent_reg != '' + - openshift_docker_ent_reg not in l2_docker_additional_registries + +- stat: path=/etc/sysconfig/docker + register: docker_check + +- name: Set registry params + lineinfile: + dest: /etc/sysconfig/docker + regexp: '^{{ item.reg_conf_var }}=.*$' + line: "{{ item.reg_conf_var }}='{{ item.reg_fact_val | oo_prepend_strings_in_list(item.reg_flag ~ ' ') | join(' ') }}'" + when: + - item.reg_fact_val != [] + - docker_check.stat.isreg is defined + - docker_check.stat.isreg + with_items: + - reg_conf_var: ADD_REGISTRY + reg_fact_val: "{{ l2_docker_additional_registries }}" + reg_flag: --add-registry + - reg_conf_var: BLOCK_REGISTRY + reg_fact_val: "{{ l2_docker_blocked_registries }}" + reg_flag: --block-registry + - reg_conf_var: INSECURE_REGISTRY + reg_fact_val: "{{ l2_docker_insecure_registries }}" + reg_flag: --insecure-registry + notify: + - restart docker + +- name: Place additional/blocked/insecure registries in /etc/containers/registries.conf + template: + dest: "{{ containers_registries_conf_path }}" + src: registries.conf + notify: + - restart docker + +- name: Set Proxy Settings + lineinfile: + dest: /etc/sysconfig/docker + regexp: '^{{ item.reg_conf_var }}=.*$' + 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 | default('') }}" + - reg_conf_var: HTTPS_PROXY + reg_fact_val: "{{ docker_https_proxy | default('') }}" + - reg_conf_var: NO_PROXY + reg_fact_val: "{{ docker_no_proxy | default('') }}" + notify: + - restart docker + when: + - docker_check.stat.isreg is defined and docker_check.stat.isreg and '"http_proxy" in openshift.common or "https_proxy" in openshift.common' + +- name: Set various Docker options + lineinfile: + dest: /etc/sysconfig/docker + regexp: '^OPTIONS=.*$' + line: "OPTIONS='\ + {% if ansible_selinux.status | default(None) == 'enabled' and docker_selinux_enabled | default(true) | bool %} --selinux-enabled {% endif %}\ + {% if docker_log_driver is defined %} --log-driver {{ docker_log_driver }}{% endif %}\ + {% if docker_log_options is defined %} {{ docker_log_options | oo_split() | oo_prepend_strings_in_list('--log-opt ') | join(' ')}}{% endif %}\ + {% if docker_options is defined %} {{ docker_options }}{% endif %}\ + {% if docker_disable_push_dockerhub is defined %} --confirm-def-push={{ docker_disable_push_dockerhub | bool }}{% endif %}'" + when: docker_check.stat.isreg is defined and docker_check.stat.isreg + notify: + - restart docker + +- stat: path=/etc/sysconfig/docker-network + register: sysconfig_docker_network_check + +- name: Configure Docker Network OPTIONS + lineinfile: + dest: /etc/sysconfig/docker-network + regexp: '^DOCKER_NETWORK_OPTIONS=.*$' + 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 docker + +# 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' ) }}" + +- name: Check for credentials file for registry auth + stat: + path: "{{ docker_cli_auth_config_path }}/config.json" + when: oreg_auth_user is defined + register: docker_cli_auth_credentials_stat + +- name: Create credentials for docker cli registry auth + command: "docker --config={{ docker_cli_auth_config_path }} login -u {{ oreg_auth_user }} -p {{ oreg_auth_password }} {{ oreg_host }}" + when: + - oreg_auth_user is defined + - (not docker_cli_auth_credentials_stat.stat.exists or oreg_auth_credentials_replace) | bool + +- meta: flush_handlers diff --git a/roles/docker/tasks/systemcontainer_crio.yml b/roles/docker/tasks/systemcontainer_crio.yml new file mode 100644 index 000000000..a79600930 --- /dev/null +++ b/roles/docker/tasks/systemcontainer_crio.yml @@ -0,0 +1,203 @@ +--- + +# TODO: Much of this file is shared with container engine tasks +- set_fact: + l_insecure_crio_registries: "{{ '\"{}\"'.format('\", \"'.join(l2_docker_insecure_registries)) }}" + when: l2_docker_insecure_registries +- set_fact: + l_crio_registries: "{{ l2_docker_additional_registries + ['docker.io'] }}" + when: l2_docker_additional_registries +- set_fact: + l_crio_registries: "{{ ['docker.io'] }}" + when: not l2_docker_additional_registries +- set_fact: + l_additional_crio_registries: "{{ '\"{}\"'.format('\", \"'.join(l_crio_registries)) }}" + when: l2_docker_additional_registries + +- set_fact: + l_openshift_image_tag: "{{ openshift_image_tag | string }}" + when: openshift_image_tag is defined + +- set_fact: + l_openshift_image_tag: "latest" + when: + - openshift_image_tag is not defined + - openshift_release == "latest" + +- set_fact: + l_openshift_image_tag: "{{ openshift_release | string }}" + when: + - openshift_image_tag is not defined + - openshift_release != "latest" + +- name: Ensure container-selinux is installed + package: + name: container-selinux + state: present + when: not openshift.common.is_atomic | bool + +- name: Check we are not using node as a Docker container with CRI-O + fail: msg='Cannot use CRI-O with node configured as a Docker container' + when: + - openshift.common.is_containerized | bool + - not openshift.common.is_node_system_container | bool + +# Used to pull and install the system container +- name: Ensure atomic is installed + package: + name: atomic + state: present + when: not openshift.common.is_atomic | bool + +# At the time of writing the atomic command requires runc for it's own use. This +# task is here in the even that the atomic package ever removes the dependency. +- name: Ensure runc is installed + package: + name: runc + state: present + when: not openshift.common.is_atomic | bool + + +- name: Check that overlay is in the kernel + shell: lsmod | grep overlay + register: l_has_overlay_in_kernel + ignore_errors: yes + + +- when: l_has_overlay_in_kernel.rc != 0 + block: + + - name: Add overlay to modprobe.d + template: + dest: /etc/modules-load.d/overlay.conf + src: overlay.conf.j2 + backup: yes + + - name: Manually modprobe overlay into the kernel + command: modprobe overlay + + - name: Enable and start systemd-modules-load + service: + name: systemd-modules-load + enabled: yes + state: restarted + + +- block: + + - name: Add http_proxy to /etc/atomic.conf + lineinfile: + dest: /etc/atomic.conf + regexp: "^#?http_proxy[:=]{1}" + line: "http_proxy: {{ openshift.common.http_proxy | default('') }}" + when: + - openshift.common.http_proxy is defined + - openshift.common.http_proxy != '' + + - name: Add https_proxy to /etc/atomic.conf + lineinfile: + dest: /etc/atomic.conf + regexp: "^#?https_proxy[:=]{1}" + line: "https_proxy: {{ openshift.common.https_proxy | default('') }}" + when: + - openshift.common.https_proxy is defined + - openshift.common.https_proxy != '' + + - name: Add no_proxy to /etc/atomic.conf + lineinfile: + dest: /etc/atomic.conf + regexp: "^#?no_proxy[:=]{1}" + line: "no_proxy: {{ openshift.common.no_proxy | default('') }}" + when: + - openshift.common.no_proxy is defined + - openshift.common.no_proxy != '' + + +- block: + + - name: Set CRI-O image defaults + set_fact: + l_crio_image_prepend: "docker.io/gscrivano" + l_crio_image_name: "cri-o-fedora" + l_crio_image_tag: "latest" + + - name: Use Centos based image when distribution is CentOS + set_fact: + l_crio_image_name: "cri-o-centos" + when: ansible_distribution == "CentOS" + + - name: Set CRI-O image tag + set_fact: + l_crio_image_tag: "{{ l_openshift_image_tag }}" + when: + - openshift_deployment_type == 'openshift-enterprise' + + - name: Use RHEL based image when distribution is Red Hat + set_fact: + l_crio_image_prepend: "registry.access.redhat.com/openshift3" + l_crio_image_name: "cri-o" + when: ansible_distribution == "RedHat" + + - name: Set the full image name + set_fact: + l_crio_image: "{{ l_crio_image_prepend }}/{{ l_crio_image_name }}:{{ l_crio_image_tag }}" + + # For https://github.com/openshift/aos-cd-jobs/pull/624#pullrequestreview-61816548 + - name: Use a specific image if requested + set_fact: + l_crio_image: "{{ openshift_crio_systemcontainer_image_override }}" + when: + - openshift_crio_systemcontainer_image_override is defined + - openshift_crio_systemcontainer_image_override != "" + + # Be nice and let the user see the variable result + - debug: + var: l_crio_image + +# NOTE: no_proxy added as a workaround until https://github.com/projectatomic/atomic/pull/999 is released +- name: Pre-pull CRI-O System Container image + command: "atomic pull --storage ostree {{ l_crio_image }}" + changed_when: false + environment: + NO_PROXY: "{{ openshift.common.no_proxy | default('') }}" + + +- name: Install CRI-O System Container + oc_atomic_container: + name: "cri-o" + image: "{{ l_crio_image }}" + state: latest + +- name: Remove CRI-O default configuration files + file: + path: "{{ item }}" + state: absent + with_items: + - /etc/cni/net.d/200-loopback.conf + - /etc/cni/net.d/100-crio-bridge.conf + +- name: Create the CRI-O configuration + template: + dest: /etc/crio/crio.conf + src: crio.conf.j2 + backup: yes + +- name: Ensure CNI configuration directory exists + file: + path: /etc/cni/net.d/ + state: directory + +- name: Configure the CNI network + template: + dest: /etc/cni/net.d/openshift-sdn.conf + src: 80-openshift-sdn.conf.j2 + +- name: Start the CRI-O service + systemd: + name: "cri-o" + enabled: yes + state: started + daemon_reload: yes + register: start_result + +- meta: flush_handlers diff --git a/roles/docker/tasks/systemcontainer_docker.yml b/roles/docker/tasks/systemcontainer_docker.yml new file mode 100644 index 000000000..15c6a55db --- /dev/null +++ b/roles/docker/tasks/systemcontainer_docker.yml @@ -0,0 +1,204 @@ +--- + +- set_fact: + l_openshift_image_tag: "{{ openshift_image_tag | string }}" + when: openshift_image_tag is defined + +- set_fact: + l_openshift_image_tag: "latest" + when: + - openshift_image_tag is not defined + - openshift_release == "latest" + +- set_fact: + l_openshift_image_tag: "{{ openshift_release | string }}" + when: + - openshift_image_tag is not defined + - openshift_release != "latest" + +# If docker_options are provided we should fail. We should not install docker and ignore +# the users configuration. NOTE: docker_options == inventory:openshift_docker_options +- name: Fail quickly if openshift_docker_options are set + assert: + that: + - docker_options is defined + - docker_options != "" + msg: | + Docker via System Container does not allow for the use of the openshift_docker_options + variable. If you want to use openshift_docker_options you will need to use the + traditional docker package install. Otherwise, comment out openshift_docker_options + in your inventory file. + +- name: Ensure container-selinux is installed + package: + name: container-selinux + state: present + when: not openshift.common.is_atomic | bool + +# Used to pull and install the system container +- name: Ensure atomic is installed + package: + name: atomic + state: present + when: not openshift.common.is_atomic | bool + +# At the time of writing the atomic command requires runc for it's own use. This +# task is here in the even that the atomic package ever removes the dependency. +- name: Ensure runc is installed + package: + name: runc + state: present + when: not openshift.common.is_atomic | bool + +# Make sure Docker is installed so we are able to use the client +- name: Install Docker so we can use the client + package: name=docker{{ '-' + docker_version if docker_version is defined else '' }} state=present + when: not openshift.common.is_atomic | bool + +# Make sure docker is disabled. Errors are ignored. +- name: Disable Docker + systemd: + name: docker + enabled: no + state: stopped + daemon_reload: yes + ignore_errors: True + register: r_docker_systemcontainer_docker_stop_result + until: not r_docker_systemcontainer_docker_stop_result | failed + retries: 3 + delay: 30 + + +# Set http_proxy, https_proxy, and no_proxy in /etc/atomic.conf +# regexp: the line starts with or without #, followed by the string +# http_proxy, then either : or = +- block: + + - name: Add http_proxy to /etc/atomic.conf + lineinfile: + dest: /etc/atomic.conf + regexp: "^#?http_proxy[:=]{1}" + line: "http_proxy: {{ openshift.common.http_proxy | default('') }}" + when: + - openshift.common.http_proxy is defined + - openshift.common.http_proxy != '' + + - name: Add https_proxy to /etc/atomic.conf + lineinfile: + dest: /etc/atomic.conf + regexp: "^#?https_proxy[:=]{1}" + line: "https_proxy: {{ openshift.common.https_proxy | default('') }}" + when: + - openshift.common.https_proxy is defined + - openshift.common.https_proxy != '' + + - name: Add no_proxy to /etc/atomic.conf + lineinfile: + dest: /etc/atomic.conf + regexp: "^#?no_proxy[:=]{1}" + line: "no_proxy: {{ openshift.common.no_proxy | default('') }}" + when: + - openshift.common.no_proxy is defined + - openshift.common.no_proxy != '' + +- block: + + - name: Set to default prepend + set_fact: + l_docker_image_prepend: "gscrivano" + l_docker_image_tag: "latest" + + - name: Set container engine image tag + set_fact: + l_docker_image_tag: "{{ l_openshift_image_tag }}" + when: + - openshift_deployment_type == 'openshift-enterprise' + + - name: Use Red Hat Registry for image when distribution is Red Hat + set_fact: + l_docker_image_prepend: "registry.access.redhat.com/openshift3" + when: ansible_distribution == 'RedHat' + + - name: Use Fedora Registry for image when distribution is Fedora + set_fact: + l_docker_image_prepend: "registry.fedoraproject.org/f25" + when: ansible_distribution == 'Fedora' + + - name: Set the full image name + set_fact: + l_docker_image: "{{ l_docker_image_prepend }}/{{ openshift.docker.service_name }}:{{ l_docker_image_tag }}" + + # For https://github.com/openshift/openshift-ansible/pull/5354#issuecomment-328552959 + - name: Use a specific image if requested + set_fact: + l_docker_image: "{{ openshift_docker_systemcontainer_image_override }}" + when: + - openshift_docker_systemcontainer_image_override is defined + - openshift_docker_systemcontainer_image_override != "" + + # Be nice and let the user see the variable result + - debug: + var: l_docker_image + +# NOTE: no_proxy added as a workaround until https://github.com/projectatomic/atomic/pull/999 is released +- name: Pre-pull Container Engine System Container image + command: "atomic pull --storage ostree {{ l_docker_image }}" + changed_when: false + environment: + NO_PROXY: "{{ openshift.common.no_proxy | default('') }}" + + +- name: Ensure container-engine.service.d directory exists + file: + path: "{{ container_engine_systemd_dir }}" + state: directory + +- name: Ensure /etc/docker directory exists + file: + path: "{{ docker_conf_dir }}" + state: directory + +- name: Install Container Engine System Container + oc_atomic_container: + name: "{{ openshift.docker.service_name }}" + image: "{{ l_docker_image }}" + state: latest + +- name: Configure Container Engine Service File + template: + dest: "{{ container_engine_systemd_dir }}/custom.conf" + src: systemcontainercustom.conf.j2 + +# Set local versions of facts that must be in json format for container-daemon.json +# NOTE: When jinja2.9+ is used the container-daemon.json file can move to using tojson +- set_fact: + l_docker_insecure_registries: "{{ l2_docker_insecure_registries | default([]) | to_json }}" + l_docker_log_options: "{{ docker_log_options | default({}) | to_json }}" + l_docker_additional_registries: "{{ l2_docker_additional_registries | default([]) | to_json }}" + l_docker_blocked_registries: "{{ l2_docker_blocked_registries | default([]) | to_json }}" + l_docker_selinux_enabled: "{{ docker_selinux_enabled | default(true) | to_json }}" + +# Configure container-engine using the container-daemon.json file +# NOTE: daemon.json and container-daemon.json have been seperated to avoid +# collision. +- name: Configure Container Engine + template: + dest: "{{ docker_conf_dir }}/container-daemon.json" + src: daemon.json + +# Enable and start the container-engine service +- name: Start the Container Engine service + systemd: + name: "{{ openshift.docker.service_name }}" + enabled: yes + state: started + daemon_reload: yes + register: r_docker_systemcontainer_docker_start_result + until: not r_docker_systemcontainer_docker_start_result | failed + retries: 3 + delay: 30 + +- set_fact: + docker_service_status_changed: "{{ r_docker_systemcontainer_docker_start_result | changed }}" + +- meta: flush_handlers diff --git a/roles/docker/tasks/udev_workaround.yml b/roles/docker/tasks/udev_workaround.yml new file mode 100644 index 000000000..257c3123d --- /dev/null +++ b/roles/docker/tasks/udev_workaround.yml @@ -0,0 +1,24 @@ +--- + +- name: Getting current systemd-udevd exec command + command: grep -e "^ExecStart=" /lib/systemd/system/systemd-udevd.service + changed_when: false + register: udevw_udev_start_cmd + +- name: Assure systemd-udevd.service.d directory exists + file: + path: "{{ udevw_udevd_dir }}" + state: directory + +- name: Create systemd-udevd override file + copy: + content: | + [Service] + #Need blank ExecStart to "clear" pre-existing one + ExecStart= + {{ udevw_udev_start_cmd.stdout }} --event-timeout=300 + dest: "{{ udevw_udevd_dir }}/override.conf" + owner: root + mode: "0644" + notify: + - restart udev |