crio: align template crio.conf with upstream (#6432)
* log level by default increased to 'info' * cgroup manager by default set to 'systemd' * stream port (used by kubelet) bound to 127.0.0.1 for security reasons * metrics can be enabled and port specified
This commit is contained in:
Hans Feldt
GitHub
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commit
c6e5be91e9
2 changed files with 159 additions and 56 deletions
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@ -1,10 +1,17 @@
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---
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crio_cgroup_manager: "{{ kubelet_cgroup_driver | default('cgroupfs') }}"
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crio_seccomp_profile: ""
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crio_runc_path: "/usr/bin/runc"
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crio_cgroup_manager: "{{ kubelet_cgroup_driver | default('systemd') }}"
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crio_conmon: "/usr/bin/conmon"
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crio_enable_metrics: false
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crio_log_level: "info"
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crio_metrics_port: "9090"
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crio_pause_image: "{{ pod_infra_image_repo }}:{{ pod_infra_version }}"
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crio_runc_path: "/usr/bin/runc"
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crio_seccomp_profile: ""
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crio_selinux: "{{ (preinstall_selinux_state == 'enforcing')|lower }}"
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crio_signature_policy: "{% if ansible_os_family == 'ClearLinux' %}/usr/share/defaults/crio/policy.json{% endif %}"
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crio_storage_driver: "overlay2"
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crio_stream_port: "10010"
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crio_required_version: "{{ kube_version | regex_replace('^v(?P<major>\\d+).(?P<minor>\\d+).(?P<patch>\\d+)$', '\\g<major>.\\g<minor>') }}"
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@ -1,10 +1,14 @@
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# The CRI-O configuration file specifies all of the available configuration
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# options and command-line flags for the crio(8) OCI Kubernetes Container Runtime
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# daemon, but in a TOML format that can be more easily modified and versioned.
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#
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# Please refer to crio.conf(5) for details of all configuration options.
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# CRI-O supports partial configuration reload during runtime, which can be
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# done by sending SIGHUP to the running process. Currently supported options
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# are explicitly mentioned with: 'This option supports live configuration
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# reload'.
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# CRI-O reads its storage defaults from the containers-storage.conf(5) file
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# located at /etc/containers/storage.conf. Modify this storage configuration if
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# you want to change the system's defaults. If you want to modify storage just
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@ -20,19 +24,26 @@
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# Storage driver used to manage the storage of images and containers. Please
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# refer to containers-storage.conf(5) to see all available storage drivers.
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storage_driver = "overlay2"
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storage_driver = "{{ crio_storage_driver }}"
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# List to pass options to the storage driver. Please refer to
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# containers-storage.conf(5) to see all available storage options.
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#storage_option = [
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#]
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# If set to false, in-memory locking will be used instead of file-based locking.
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file_locking = true
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# The default log directory where all logs will go unless directly specified by
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# the kubelet. The log directory specified must be an absolute directory.
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log_dir = "/var/log/crio/pods"
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# Path to the lock file.
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file_locking_path = "/run/crio.lock"
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# Location for CRI-O to lay down the temporary version file.
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# It is used to check if crio wipe should wipe containers, which should
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# always happen on a node reboot
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version_file = "/var/run/crio/version"
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# Location for CRI-O to lay down the persistent version file.
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# It is used to check if crio wipe should wipe images, which should
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# only happen when CRI-O has been upgraded
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version_file_persist = "/var/lib/crio/version"
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# The crio.api table contains settings for the kubelet/gRPC interface.
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[crio.api]
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@ -41,10 +52,11 @@ file_locking_path = "/run/crio.lock"
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listen = "/var/run/crio/crio.sock"
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# IP address on which the stream server will listen.
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stream_address = ""
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stream_address = "127.0.0.1"
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# The port on which the stream server will listen.
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stream_port = "10010"
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# The port on which the stream server will listen. If the port is set to "0", then
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# CRI-O will allocate a random free port number.
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stream_port = "{{ crio_stream_port }}"
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# Enable encrypted TLS transport of the stream server.
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stream_enable_tls = false
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@ -55,11 +67,11 @@ stream_enable_tls = false
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stream_tls_cert = ""
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# Path to the key file used to serve the encrypted stream. This file can
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# change, and CRI-O will automatically pick up the changes within 5 minutes.
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# change and CRI-O will automatically pick up the changes within 5 minutes.
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stream_tls_key = ""
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# Path to the x509 CA(s) file used to verify and authenticate client
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# communication with the encrypted stream. This file can change, and CRI-O will
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# communication with the encrypted stream. This file can change and CRI-O will
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# automatically pick up the changes within 5 minutes.
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stream_tls_ca = ""
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@ -78,7 +90,6 @@ grpc_max_recv_msg_size = 16777216
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# "nofile=1024:2048"
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# If nothing is set here, settings will be inherited from the CRI-O daemon
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#default_ulimits = [
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# "nofile=65536:65536",
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#]
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# default_runtime is the _name_ of the OCI runtime to be used as the default.
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@ -88,28 +99,46 @@ default_runtime = "runc"
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# If true, the runtime will not use pivot_root, but instead use MS_MOVE.
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no_pivot = false
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# decryption_keys_path is the path where the keys required for
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# image decryption are stored. This option supports live configuration reload.
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decryption_keys_path = "/etc/crio/keys/"
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# Path to the conmon binary, used for monitoring the OCI runtime.
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# Will be searched for using $PATH if empty.
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conmon = "{{ crio_conmon }}"
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# Cgroup setting for conmon
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conmon_cgroup = "system.slice"
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# Environment variable list for the conmon process, used for passing necessary
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# environment variables to conmon or the runtime.
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conmon_env = [
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"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
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]
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# Additional environment variables to set for all the
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# containers. These are overridden if set in the
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# container image spec or in the container runtime configuration.
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default_env = [
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]
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# If true, SELinux will be used for pod separation on the host.
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selinux = {{ (preinstall_selinux_state == 'enforcing')|lower }}
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selinux = {{ crio_selinux }}
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# Path to the seccomp.json profile which is used as the default seccomp profile
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# for the runtime.
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seccomp_profile = "{{crio_seccomp_profile}}"
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# for the runtime. If not specified, then the internal default seccomp profile
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# will be used. This option supports live configuration reload.
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seccomp_profile = "{{ crio_seccomp_profile }}"
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# Used to change the name of the default AppArmor profile of CRI-O. The default
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# profile name is "crio-default-" followed by the version string of CRI-O.
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# profile name is "crio-default". This profile only takes effect if the user
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# does not specify a profile via the Kubernetes Pod's metadata annotation. If
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# the profile is set to "unconfined", then this equals to disabling AppArmor.
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# This option supports live configuration reload.
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# apparmor_profile = "crio-default"
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# Cgroup management implementation used for the runtime.
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cgroup_manager = "{{crio_cgroup_manager}}"
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cgroup_manager = "{{ crio_cgroup_manager }}"
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# List of default capabilities for containers. If it is empty or commented out,
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# only the capabilities defined in the containers json file by the user/kube
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@ -140,16 +169,15 @@ default_sysctls = [
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additional_devices = [
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]
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# Path to OCI hooks directories for automatically executed hooks.
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# Path to OCI hooks directories for automatically executed hooks. If one of the
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# directories does not exist, then CRI-O will automatically skip them.
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hooks_dir = [
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"/usr/share/containers/oci/hooks.d",
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]
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# List of default mounts for each container. **Deprecated:** this option will
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# be removed in future versions in favor of default_mounts_file.
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default_mounts = [
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{% if ansible_os_family == "RedHat" %}
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"/usr/share/rhel/secrets:/run/secrets",
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{% endif %}
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]
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# Path to the file specifying the defaults mounts for each container. The
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@ -185,12 +213,20 @@ container_exits_dir = "/var/run/crio/exits"
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# Path to directory for container attach sockets.
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container_attach_socket_dir = "/var/run/crio"
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# The prefix to use for the source of the bind mounts.
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bind_mount_prefix = ""
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# If set to true, all containers will run in read-only mode.
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read_only = false
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# Changes the verbosity of the logs based on the level it is set to. Options
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# are fatal, panic, error, warn, info, and debug.
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log_level = "error"
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# are fatal, panic, error, warn, info, debug and trace. This option supports
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# live configuration reload.
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log_level = "{{ crio_log_level }}"
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# Filter the log messages by the provided regular expression.
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# This option supports live configuration reload.
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log_filter = ""
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# The UID mappings for the user namespace of each container. A range is
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# specified in the form containerUID:HostUID:Size. Multiple ranges must be
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gid_mappings = ""
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# The minimal amount of time in seconds to wait before issuing a timeout
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# regarding the proper termination of the container.
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ctr_stop_timeout = 0
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# regarding the proper termination of the container. The lowest possible
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# value is 30s, whereas lower values are not considered by CRI-O.
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ctr_stop_timeout = 30
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# The "crio.runtime.runtimes" table defines a list of OCI compatible runtimes.
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# The runtime to use is picked based on the runtime_handler provided by the CRI.
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# If no runtime_handler is provided, the runtime will be picked based on the level
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# of trust of the workload.
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# **DEPRECATED** this option is being replaced by manage_ns_lifecycle, which is described below.
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# manage_network_ns_lifecycle = false
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[crio.runtime.runtimes.runc]
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runtime_path = "{{ crio_runc_path }}"
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runtime_type = "oci"
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# manage_ns_lifecycle determines whether we pin and remove namespaces
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# and manage their lifecycle
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manage_ns_lifecycle = false
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# The directory where the state of the managed namespaces gets tracked.
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# Only used when manage_ns_lifecycle is true.
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namespaces_dir = "/var/run"
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# pinns_path is the path to find the pinns binary, which is needed to manage namespace lifecycle
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pinns_path = ""
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# The "crio.runtime.runtimes" table defines a list of OCI compatible runtimes.
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# The runtime to use is picked based on the runtime_handler provided by the CRI.
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# If no runtime_handler is provided, the runtime will be picked based on the level
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# of trust of the workload. Each entry in the table should follow the format:
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#
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#[crio.runtime.runtimes.runtime-handler]
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# runtime_path = "/path/to/the/executable"
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# runtime_type = "oci"
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# runtime_root = "/path/to/the/root"
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#
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# Where:
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# - runtime-handler: name used to identify the runtime
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# - runtime_path (optional, string): absolute path to the runtime executable in
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# the host filesystem. If omitted, the runtime-handler identifier should match
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# the runtime executable name, and the runtime executable should be placed
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# in $PATH.
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# - runtime_type (optional, string): type of runtime, one of: "oci", "vm". If
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# omitted, an "oci" runtime is assumed.
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# - runtime_root (optional, string): root directory for storage of containers
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# state.
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[crio.runtime.runtimes.runc]
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runtime_path = "{{ crio_runc_path }}"
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runtime_type = "oci"
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runtime_root = "/run/runc"
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# Kata Containers is an OCI runtime, where containers are run inside lightweight
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# VMs. Kata provides additional isolation towards the host, minimizing the host attack
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# surface and mitigating the consequences of containers breakout.
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# Kata Containers with the default configured VMM
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#[crio.runtime.runtimes.kata-runtime]
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# Kata Containers with the QEMU VMM
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#[crio.runtime.runtimes.kata-qemu]
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# Kata Containers with the Firecracker VMM
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#[crio.runtime.runtimes.kata-fc]
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# The crio.image table contains settings pertaining to the management of OCI images.
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#
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# Default transport for pulling images from a remote container storage.
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default_transport = "docker://"
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# The image used to instantiate infra containers.
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pause_image = "docker://{{kube_image_repo}}/pause:3.1"
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# The path to a file containing credentials necessary for pulling images from
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# secure registries. The file is similar to that of /var/lib/kubelet/config.json
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global_auth_file = ""
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# If not empty, the path to a docker/config.json-like file containing credentials
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# necessary for pulling the image specified by pause_image above.
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# The image used to instantiate infra containers.
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# This option supports live configuration reload.
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pause_image = "{{ crio_pause_image }}"
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# The path to a file containing credentials specific for pulling the pause_image from
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# above. The file is similar to that of /var/lib/kubelet/config.json
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# This option supports live configuration reload.
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pause_image_auth_file = ""
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# The command to run to have a container stay in the paused state.
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# When explicitly set to "", it will fallback to the entrypoint and command
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# specified in the pause image. When commented out, it will fallback to the
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# default: "/pause". This option supports live configuration reload.
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pause_command = "/pause"
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# Path to the file which decides what sort of policy we use when deciding
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@ -244,11 +334,12 @@ pause_command = "/pause"
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# this option be used, as the default behavior of using the system-wide default
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# policy (i.e., /etc/containers/policy.json) is most often preferred. Please
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# refer to containers-policy.json(5) for more details.
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{% if ansible_os_family == "ClearLinux" %}
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signature_policy = "/usr/share/defaults/crio/policy.json"
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{% else %}
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signature_policy = ""
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{% endif %}
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signature_policy = "{{ crio_signature_policy }}"
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# List of registries to skip TLS verification for pulling images. Please
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# consider configuring the registries via /etc/containers/registries.conf before
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# changing them here.
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#insecure_registries = "[]"
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# Controls how image volumes are handled. The valid values are mkdir, bind and
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# ignore; the latter will ignore volumes entirely.
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@ -259,27 +350,32 @@ image_volumes = "mkdir"
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# compatibility reasons. Depending on your workload and usecase you may add more
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# registries (e.g., "quay.io", "registry.fedoraproject.org",
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# "registry.opensuse.org", etc.).
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registries = [
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"docker.io"
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]
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# "registry.fedoraproject.org",
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# "quay.io",
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# "registry.centos.org",
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#]
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#registries = [
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# ]
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insecure_registries = [
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"{{ kube_service_addresses }}"
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]
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# The crio.network table containers settings pertaining to the management of
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# CNI plugins.
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[crio.network]
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# The default CNI network name to be selected. If not set or "", then
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# CRI-O will pick-up the first one found in network_dir.
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# cni_default_network = ""
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# Path to the directory where CNI configuration files are located.
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network_dir = "/etc/cni/net.d/"
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# Paths to directories where CNI plugin binaries are located.
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plugin_dirs = [
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"/opt/cni/bin",
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"/usr/libexec/cni",
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"/opt/cni/bin/",
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]
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# A necessary configuration for Prometheus based metrics retrieval
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[crio.metrics]
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# Globally enable or disable metrics support.
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enable_metrics = {{ crio_enable_metrics | bool | lower }}
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# The port on which the metrics server will listen.
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metrics_port = {{ crio_metrics_port }}
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Reference in a new issue