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To prepare for native kubernetes support without docker on a target, we integrate the cri-o incubator project. cri-o is meant to provide an integration path between OCI conformant runtimes and the kubelet. Specifically, it implements the Kubelet Container Runtime Interface (CRI) using OCI conformant runtimes. The scope of cri-o is tied to the scope of the CRI. This initial introduction is build + packaging only. It is expected that configuration and deployment tweaks are done at the distro level. Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
148 lines
5.4 KiB
Plaintext
148 lines
5.4 KiB
Plaintext
# generated via: crio --config="" config --default
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# The "crio" table contains all of the server options.
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[crio]
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# root is a path to the "root directory". CRIO stores all of its data,
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# including container images, in this directory.
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root = "/var/lib/containers/storage"
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# run is a path to the "run directory". CRIO stores all of its state
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# in this directory.
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runroot = "/var/run/containers/storage"
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# storage_driver select which storage driver is used to manage storage
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# of images and containers.
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storage_driver = ""
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# storage_option is used to pass an option to the storage driver.
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storage_option = [
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]
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# The "crio.api" table contains settings for the kubelet/gRPC
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# interface (which is also used by crioctl).
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[crio.api]
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# listen is the path to the AF_LOCAL socket on which crio will listen.
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listen = "/var/run/crio.sock"
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# stream_address is the IP address on which the stream server will listen
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stream_address = ""
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# stream_port is the port on which the stream server will listen
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stream_port = "10010"
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# file_locking is whether file-based locking will be used instead of
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# in-memory locking
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file_locking = true
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# The "crio.runtime" table contains settings pertaining to the OCI
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# runtime used and options for how to set up and manage the OCI runtime.
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[crio.runtime]
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# runtime is the OCI compatible runtime used for trusted container workloads.
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# This is a mandatory setting as this runtime will be the default one
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# and will also be used for untrusted container workloads if
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# runtime_untrusted_workload is not set.
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runtime = "/usr/bin/runc"
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# runtime_untrusted_workload is the OCI compatible runtime used for untrusted
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# container workloads. This is an optional setting, except if
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# default_container_trust is set to "untrusted".
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runtime_untrusted_workload = ""
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# default_workload_trust is the default level of trust crio puts in container
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# workloads. It can either be "trusted" or "untrusted", and the default
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# is "trusted".
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# Containers can be run through different container runtimes, depending on
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# the trust hints we receive from kubelet:
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# - If kubelet tags a container workload as untrusted, crio will try first to
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# run it through the untrusted container workload runtime. If it is not set,
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# crio will use the trusted runtime.
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# - If kubelet does not provide any information about the container workload trust
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# level, the selected runtime will depend on the default_container_trust setting.
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# If it is set to "untrusted", then all containers except for the host privileged
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# ones, will be run by the runtime_untrusted_workload runtime. Host privileged
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# containers are by definition trusted and will always use the trusted container
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# runtime. If default_container_trust is set to "trusted", crio will use the trusted
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# container runtime for all containers.
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default_workload_trust = "trusted"
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# conmon is the path to conmon binary, used for managing the runtime.
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conmon = "/usr/libexec/crio/conmon"
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# conmon_env is the environment variable list for conmon process,
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# used for passing necessary environment variable to conmon or 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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# selinux indicates whether or not SELinux will be used for pod
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# separation on the host. If you enable this flag, SELinux must be running
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# on the host.
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selinux = false
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# seccomp_profile is the seccomp json profile path which is used as the
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# default for the runtime.
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seccomp_profile = "/etc/crio/seccomp.json"
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# apparmor_profile is the apparmor profile name which is used as the
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# default for the runtime.
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apparmor_profile = "crio-default"
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# cgroup_manager is the cgroup management implementation to be used
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# for the runtime.
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cgroup_manager = "cgroupfs"
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# hooks_dir_path is the oci hooks directory for automatically executed hooks
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hooks_dir_path = "/usr/share/containers/oci/hooks.d"
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# pids_limit is the number of processes allowed in a container
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pids_limit = 1024
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# The "crio.image" table contains settings pertaining to the
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# management of OCI images.
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[crio.image]
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# default_transport is the prefix we try prepending to an image name if the
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# image name as we receive it can't be parsed as a valid source reference
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default_transport = "docker://"
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# pause_image is the image which we use to instantiate infra containers.
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pause_image = "kubernetes/pause"
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# pause_command is the command to run in a pause_image to have a container just
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# sit there. If the image contains the necessary information, this value need
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# not be specified.
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pause_command = "/pause"
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# signature_policy is the name of the file which decides what sort of policy we
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# use when deciding whether or not to trust an image that we've pulled.
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# Outside of testing situations, it is strongly advised that this be left
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# unspecified so that the default system-wide policy will be used.
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signature_policy = ""
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# image_volumes controls how image volumes are handled.
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# The valid values are mkdir and ignore.
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image_volumes = "mkdir"
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# insecure_registries is used to skip TLS verification when pulling images.
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insecure_registries = [
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]
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# registries is used to specify a comma separated list of registries to be used
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# when pulling an unqualified image (e.g. fedora:rawhide).
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registries = [
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]
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# The "crio.network" table contains settings pertaining to the
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# management of CNI plugins.
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[crio.network]
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# network_dir is is where CNI network configuration
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# files are stored.
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network_dir = "/etc/cni/net.d/"
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# plugin_dir is is where CNI plugin binaries are stored.
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plugin_dir = "/opt/cni/bin/"
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