# The CRI-O configuration file specifies all of the available configuration # options and command-line flags for the crio(8) OCI Kubernetes Container Runtime # daemon, but in a TOML format that can be more easily modified and versioned. # # Please refer to crio.conf(5) for details of all configuration options. # CRI-O reads its storage defaults from the containers-storage.conf(5) file # located at /etc/containers/storage.conf. Modify this storage configuration if # you want to change the system's defaults. If you want to modify storage just # for CRI-O, you can change the storage configuration options here. [crio] # Path to the "root directory". CRI-O stores all of its data, including # containers images, in this directory. #root = "/var/lib/containers/storage" # Path to the "run directory". CRI-O stores all of its state in this directory. #runroot = "/var/run/containers/storage" # Storage driver used to manage the storage of images and containers. Please # refer to containers-storage.conf(5) to see all available storage drivers. storage_driver = "overlay2" # List to pass options to the storage driver. Please refer to # containers-storage.conf(5) to see all available storage options. #storage_option = [ #] # If set to false, in-memory locking will be used instead of file-based locking. file_locking = true # Path to the lock file. file_locking_path = "/run/crio.lock" # The crio.api table contains settings for the kubelet/gRPC interface. [crio.api] # Path to AF_LOCAL socket on which CRI-O will listen. listen = "/var/run/crio/crio.sock" # IP address on which the stream server will listen. stream_address = "" # The port on which the stream server will listen. stream_port = "10010" # Enable encrypted TLS transport of the stream server. stream_enable_tls = false # Path to the x509 certificate file used to serve the encrypted stream. This # file can change, and CRI-O will automatically pick up the changes within 5 # minutes. stream_tls_cert = "" # Path to the key file used to serve the encrypted stream. This file can # change, and CRI-O will automatically pick up the changes within 5 minutes. stream_tls_key = "" # Path to the x509 CA(s) file used to verify and authenticate client # communication with the encrypted stream. This file can change, and CRI-O will # automatically pick up the changes within 5 minutes. stream_tls_ca = "" # Maximum grpc send message size in bytes. If not set or <=0, then CRI-O will default to 16 * 1024 * 1024. grpc_max_send_msg_size = 16777216 # Maximum grpc receive message size. If not set or <= 0, then CRI-O will default to 16 * 1024 * 1024. grpc_max_recv_msg_size = 16777216 # 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] # A list of ulimits to be set in containers by default, specified as # "=:", for example: # "nofile=1024:2048" # If nothing is set here, settings will be inherited from the CRI-O daemon #default_ulimits = [ # "nofile=65536:65536", #] # default_runtime is the _name_ of the OCI runtime to be used as the default. # The name is matched against the runtimes map below. default_runtime = "runc" # If true, the runtime will not use pivot_root, but instead use MS_MOVE. no_pivot = false # Path to the conmon binary, used for monitoring the OCI runtime. conmon = "{{ crio_conmon }}" # Environment variable list for the conmon process, used for passing necessary # environment variables to conmon or the runtime. conmon_env = [ "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", ] # If true, SELinux will be used for pod separation on the host. selinux = {{ (preinstall_selinux_state == 'enforcing')|lower }} # Path to the seccomp.json profile which is used as the default seccomp profile # for the runtime. seccomp_profile = "{{crio_seccomp_profile}}" # Used to change the name of the default AppArmor profile of CRI-O. The default # profile name is "crio-default-" followed by the version string of CRI-O. # apparmor_profile = "crio-default" # Cgroup management implementation used for the runtime. cgroup_manager = "{{crio_cgroup_manager}}" # List of default capabilities for containers. If it is empty or commented out, # only the capabilities defined in the containers json file by the user/kube # will be added. default_capabilities = [ "CHOWN", "DAC_OVERRIDE", "FSETID", "FOWNER", "NET_RAW", "SETGID", "SETUID", "SETPCAP", "NET_BIND_SERVICE", "SYS_CHROOT", "KILL", ] # List of default sysctls. If it is empty or commented out, only the sysctls # defined in the container json file by the user/kube will be added. default_sysctls = [ ] # List of additional devices. specified as # "::", for example: "--device=/dev/sdc:/dev/xvdc:rwm". #If it is empty or commented out, only the devices # defined in the container json file by the user/kube will be added. additional_devices = [ ] # Path to OCI hooks directories for automatically executed hooks. hooks_dir = [ ] # List of default mounts for each container. **Deprecated:** this option will # be removed in future versions in favor of default_mounts_file. default_mounts = [ {% if ansible_os_family == "RedHat" %} "/usr/share/rhel/secrets:/run/secrets", {% endif %} ] # Path to the file specifying the defaults mounts for each container. The # format of the config is /SRC:/DST, one mount per line. Notice that CRI-O reads # its default mounts from the following two files: # # 1) /etc/containers/mounts.conf (i.e., default_mounts_file): This is the # override file, where users can either add in their own default mounts, or # override the default mounts shipped with the package. # # 2) /usr/share/containers/mounts.conf: This is the default file read for # mounts. If you want CRI-O to read from a different, specific mounts file, # you can change the default_mounts_file. Note, if this is done, CRI-O will # only add mounts it finds in this file. # #default_mounts_file = "" # Maximum number of processes allowed in a container. pids_limit = 1024 # Maximum sized allowed for the container log file. Negative numbers indicate # that no size limit is imposed. If it is positive, it must be >= 8192 to # match/exceed conmon's read buffer. The file is truncated and re-opened so the # limit is never exceeded. log_size_max = -1 # Whether container output should be logged to journald in addition to the kuberentes log file log_to_journald = false # Path to directory in which container exit files are written to by conmon. container_exits_dir = "/var/run/crio/exits" # Path to directory for container attach sockets. container_attach_socket_dir = "/var/run/crio" # If set to true, all containers will run in read-only mode. read_only = false # Changes the verbosity of the logs based on the level it is set to. Options # are fatal, panic, error, warn, info, and debug. log_level = "error" # The UID mappings for the user namespace of each container. A range is # specified in the form containerUID:HostUID:Size. Multiple ranges must be # separated by comma. uid_mappings = "" # The GID mappings for the user namespace of each container. A range is # specified in the form containerGID:HostGID:Size. Multiple ranges must be # separated by comma. gid_mappings = "" # The minimal amount of time in seconds to wait before issuing a timeout # regarding the proper termination of the container. ctr_stop_timeout = 0 # The "crio.runtime.runtimes" table defines a list of OCI compatible runtimes. # The runtime to use is picked based on the runtime_handler provided by the CRI. # If no runtime_handler is provided, the runtime will be picked based on the level # of trust of the workload. [crio.runtime.runtimes.runc] runtime_path = "{{ crio_runc_path }}" runtime_type = "oci" # The crio.image table contains settings pertaining to the management of OCI images. # # CRI-O reads its configured registries defaults from the system wide # containers-registries.conf(5) located in /etc/containers/registries.conf. If # you want to modify just CRI-O, you can change the registries configuration in # this file. Otherwise, leave insecure_registries and registries commented out to # use the system's defaults from /etc/containers/registries.conf. [crio.image] # Default transport for pulling images from a remote container storage. default_transport = "docker://" # The image used to instantiate infra containers. pause_image = "docker://{{kube_image_repo}}/pause:3.1" # If not empty, the path to a docker/config.json-like file containing credentials # necessary for pulling the image specified by pause_image above. pause_image_auth_file = "" # The command to run to have a container stay in the paused state. pause_command = "/pause" # Path to the file which decides what sort of policy we use when deciding # whether or not to trust an image that we've pulled. It is not recommended that # this option be used, as the default behavior of using the system-wide default # policy (i.e., /etc/containers/policy.json) is most often preferred. Please # refer to containers-policy.json(5) for more details. {% if ansible_os_family == "ClearLinux" %} signature_policy = "/usr/share/defaults/crio/policy.json" {% else %} signature_policy = "" {% endif %} # Controls how image volumes are handled. The valid values are mkdir, bind and # ignore; the latter will ignore volumes entirely. image_volumes = "mkdir" # List of registries to be used when pulling an unqualified image (e.g., # "alpine:latest"). By default, registries is set to "docker.io" for # compatibility reasons. Depending on your workload and usecase you may add more # registries (e.g., "quay.io", "registry.fedoraproject.org", # "registry.opensuse.org", etc.). registries = [ "docker.io" ] # "registry.fedoraproject.org", # "quay.io", # "registry.centos.org", #] insecure_registries = [ "{{ kube_service_addresses }}" ] # The crio.network table containers settings pertaining to the management of # CNI plugins. [crio.network] # Path to the directory where CNI configuration files are located. network_dir = "/etc/cni/net.d/" # Paths to directories where CNI plugin binaries are located. plugin_dirs = [ "/usr/libexec/cni", "/opt/cni/bin/", ]