diff options
Diffstat (limited to 'roles/docker')
| -rw-r--r-- | roles/docker/tasks/main.yml | 15 | ||||
| -rw-r--r-- | roles/docker/tasks/systemcontainer_crio.yml | 146 | ||||
| -rw-r--r-- | roles/docker/templates/80-openshift-sdn.conf.j2 | 5 | ||||
| -rw-r--r-- | roles/docker/templates/crio.conf.j2 | 132 | ||||
| -rw-r--r-- | roles/docker/templates/overlay.conf.j2 | 2 |
5 files changed, 298 insertions, 2 deletions
diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml index 0c2b16acf..1f9ac5059 100644 --- a/roles/docker/tasks/main.yml +++ b/roles/docker/tasks/main.yml @@ -7,11 +7,22 @@ - set_fact: l_use_system_container: "{{ openshift.docker.use_system_container | default(False) }}" + l_use_crio: "{{ openshift.docker.use_crio | default(False) }}" + l_use_crio_only: "{{ openshift.docker.use_crio_only | default(False) }}" - name: Use Package Docker if Requested include: package_docker.yml - when: not l_use_system_container + 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 + when: + - l_use_system_container + - not l_use_crio_only + +- name: Add CRI-O usage Requested + include: systemcontainer_crio.yml + when: + - l_use_crio diff --git a/roles/docker/tasks/systemcontainer_crio.yml b/roles/docker/tasks/systemcontainer_crio.yml new file mode 100644 index 000000000..787f51f94 --- /dev/null +++ b/roles/docker/tasks/systemcontainer_crio.yml @@ -0,0 +1,146 @@ +--- +# TODO: Much of this file is shared with container engine tasks +- set_fact: + l_insecure_crio_registries: "{{ '\"{}\"'.format('\", \"'.join(openshift.docker.insecure_registries)) }}" + when: openshift.docker.insecure_registries + +- 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 + + +- 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 to default prepend + set_fact: + l_crio_image_prepend: "docker.io/gscrivano" + l_crio_image_name: "crio-o-fedora" + + - name: Use Centos based image when distribution is Red Hat or CentOS + set_fact: + l_crio_image_name: "cri-o-centos" + when: ansible_distribution in ['RedHat', 'CentOS'] + + # For https://github.com/openshift/openshift-ansible/pull/4049#discussion_r114478504 + - name: Use a testing registry if requested + set_fact: + l_crio_image_prepend: "{{ openshift_crio_systemcontainer_image_registry_override }}" + when: + - openshift_crio_systemcontainer_image_registry_override is defined + - openshift_crio_systemcontainer_image_registry_override != "" + + - name: Set the full image name + set_fact: + l_crio_image: "{{ l_crio_image_prepend }}/{{ l_crio_image_name }}:latest" + +# 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: 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/templates/80-openshift-sdn.conf.j2 b/roles/docker/templates/80-openshift-sdn.conf.j2 new file mode 100644 index 000000000..a693aea5f --- /dev/null +++ b/roles/docker/templates/80-openshift-sdn.conf.j2 @@ -0,0 +1,5 @@ +{ + "cniVersion": "0.1.0", + "name": "openshift-sdn", + "type": "openshift-sdn" +} diff --git a/roles/docker/templates/crio.conf.j2 b/roles/docker/templates/crio.conf.j2 new file mode 100644 index 000000000..eae1759ab --- /dev/null +++ b/roles/docker/templates/crio.conf.j2 @@ -0,0 +1,132 @@ +# {{ ansible_managed }} + +# The "crio" table contains all of the server options. +[crio] + +# root is a path to the "root directory". CRIO stores all of its data, +# including container images, in this directory. +root = "/var/lib/containers/storage" + +# run is a path to the "run directory". CRIO stores all of its state +# in this directory. +runroot = "/var/run/containers/storage" + +# storage_driver select which storage driver is used to manage storage +# of images and containers. +storage_driver = "overlay2" + +# storage_option is used to pass an option to the storage driver. +storage_option = [ +{% if ansible_distribution in ['RedHat', 'CentOS'] %} + "overlay2.override_kernel_check=1" +{% endif %} +] + +# The "crio.api" table contains settings for the kubelet/gRPC +# interface (which is also used by crioctl). +[crio.api] + +# listen is the path to the AF_LOCAL socket on which crio will listen. +listen = "/var/run/crio.sock" + +# stream_address is the IP address on which the stream server will listen +stream_address = "" + +# stream_port is the port on which the stream server will listen +stream_port = "10010" + +# The "crio.runtime" table contains settings pertaining to the OCI +# runtime used and options for how to set up and manage the OCI runtime. +[crio.runtime] + +# runtime is the OCI compatible runtime used for trusted container workloads. +# This is a mandatory setting as this runtime will be the default one +# and will also be used for untrusted container workloads if +# runtime_untrusted_workload is not set. +runtime = "/usr/libexec/crio/runc" + +# runtime_untrusted_workload is the OCI compatible runtime used for untrusted +# container workloads. This is an optional setting, except if +# default_container_trust is set to "untrusted". +runtime_untrusted_workload = "" + +# default_workload_trust is the default level of trust crio puts in container +# workloads. It can either be "trusted" or "untrusted", and the default +# is "trusted". +# Containers can be run through different container runtimes, depending on +# the trust hints we receive from kubelet: +# - If kubelet tags a container workload as untrusted, crio will try first to +# run it through the untrusted container workload runtime. If it is not set, +# crio will use the trusted runtime. +# - If kubelet does not provide any information about the container workload trust +# level, the selected runtime will depend on the default_container_trust setting. +# If it is set to "untrusted", then all containers except for the host privileged +# ones, will be run by the runtime_untrusted_workload runtime. Host privileged +# containers are by definition trusted and will always use the trusted container +# runtime. If default_container_trust is set to "trusted", crio will use the trusted +# container runtime for all containers. +default_workload_trust = "trusted" + +# conmon is the path to conmon binary, used for managing the runtime. +conmon = "/usr/libexec/crio/conmon" + +# conmon_env is the environment variable list for conmon process, +# used for passing necessary environment variable to conmon or runtime. +conmon_env = [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", +] + +# selinux indicates whether or not SELinux will be used for pod +# separation on the host. If you enable this flag, SELinux must be running +# on the host. +selinux = true + +# seccomp_profile is the seccomp json profile path which is used as the +# default for the runtime. +seccomp_profile = "/etc/crio/seccomp.json" + +# apparmor_profile is the apparmor profile name which is used as the +# default for the runtime. +apparmor_profile = "crio-default" + +# cgroup_manager is the cgroup management implementation to be used +# for the runtime. +cgroup_manager = "systemd" + +# The "crio.image" table contains settings pertaining to the +# management of OCI images. +[crio.image] + +# default_transport is the prefix we try prepending to an image name if the +# image name as we receive it can't be parsed as a valid source reference +default_transport = "docker://" + +# pause_image is the image which we use to instantiate infra containers. +pause_image = "kubernetes/pause" + +# pause_command is the command to run in a pause_image to have a container just +# sit there. If the image contains the necessary information, this value need +# not be specified. +pause_command = "/pause" + +# signature_policy is the name of the file which decides what sort of policy we +# use when deciding whether or not to trust an image that we've pulled. +# Outside of testing situations, it is strongly advised that this be left +# unspecified so that the default system-wide policy will be used. +signature_policy = "" + +# insecure_registries is used to skip TLS verification when pulling images. +insecure_registries = [ +{{ l_insecure_crio_registries|default("") }} +] + +# The "crio.network" table contains settings pertaining to the +# management of CNI plugins. +[crio.network] + +# network_dir is is where CNI network configuration +# files are stored. +network_dir = "/etc/cni/net.d/" + +# plugin_dir is is where CNI plugin binaries are stored. +plugin_dir = "/opt/cni/bin/" diff --git a/roles/docker/templates/overlay.conf.j2 b/roles/docker/templates/overlay.conf.j2 new file mode 100644 index 000000000..782f46c2e --- /dev/null +++ b/roles/docker/templates/overlay.conf.j2 @@ -0,0 +1,2 @@ +### {{ ansible_managed }} +overlay |