podman/libpod.conf

# libpod.conf is the default configuration file for all tools using libpod to
# manage containers

# Default transport method for pulling and pushing for images
image_default_transport = "docker://"

# Paths to look for the conmon container manager binary.
# If the paths are empty or no valid path was found, then the `$PATH`
# environment variable will be used as the fallback.
conmon_path = [
	    "/usr/libexec/podman/conmon",
	    "/usr/local/libexec/podman/conmon",
	    "/usr/local/lib/podman/conmon",
	    "/usr/bin/conmon",
	    "/usr/sbin/conmon",
	    "/usr/local/bin/conmon",
	    "/usr/local/sbin/conmon",
	    "/run/current-system/sw/bin/conmon",
]

# Environment variables to pass into conmon
conmon_env_vars = [
		"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
]

# CGroup Manager - valid values are "systemd" and "cgroupfs"
cgroup_manager = "systemd"

# Container init binary
#init_path = "/usr/libexec/podman/catatonit"

# Directory for persistent libpod files (database, etc)
# By default, this will be configured relative to where containers/storage
# stores containers
# Uncomment to change location from this default
#static_dir = "/var/lib/containers/storage/libpod"

# Directory for temporary files. Must be tmpfs (wiped after reboot)
tmp_dir = "/var/run/libpod"

# Maximum size of log files (in bytes)
# -1 is unlimited
max_log_size = -1

# Whether to use chroot instead of pivot_root in the runtime
no_pivot_root = false

# Directory containing CNI plugin configuration files
cni_config_dir = "/etc/cni/net.d/"

# Directories where the CNI plugin binaries may be located
cni_plugin_dir = [
	       "/usr/libexec/cni",
	       "/usr/lib/cni",
	       "/usr/local/lib/cni",
	       "/opt/cni/bin"
]

# Default CNI network for libpod.
# If multiple CNI network configs are present, libpod will use the network with
# the name given here for containers unless explicitly overridden.
# The default here is set to the name we set in the
# 87-podman-bridge.conflist included in the repository.
# Not setting this, or setting it to the empty string, will use normal CNI
# precedence rules for selecting between multiple networks.
cni_default_network = "podman"

# Default libpod namespace
# If libpod is joined to a namespace, it will see only containers and pods
# that were created in the same namespace, and will create new containers and
# pods in that namespace.
# The default namespace is "", which corresponds to no namespace. When no
# namespace is set, all containers and pods are visible.
#namespace = ""

# Default infra (pause) image name for pod infra containers
infra_image = "k8s.gcr.io/pause:3.1"

# Default command to run the infra container
infra_command = "/pause"

# Determines whether libpod will reserve ports on the host when they are
# forwarded to containers. When enabled, when ports are forwarded to containers,
# they are held open by conmon as long as the container is running, ensuring that
# they cannot be reused by other programs on the host. However, this can cause
# significant memory usage if a container has many ports forwarded to it.
# Disabling this can save memory.
#enable_port_reservation = true

# Default libpod support for container labeling
# label=true

# The locking mechanism to use
lock_type = "shm"

# Number of locks available for containers and pods.
# If this is changed, a lock renumber must be performed (e.g. with the
# 'podman system renumber' command).
num_locks = 2048

# Directory for libpod named volumes.
# By default, this will be configured relative to where containers/storage
# stores containers.
# Uncomment to change location from this default.
#volume_path = "/var/lib/containers/storage/volumes"

# Selects which logging mechanism to use for Podman events.  Valid values
# are `journald` or `file`.
# events_logger = "journald"

# Specify the keys sequence used to detach a container.
# Format is a single character [a-Z] or a comma separated sequence of
# `ctrl-<value>`, where `<value>` is one of:
# `a-z`, `@`, `^`, `[`, `\`, `]`, `^` or `_`
#
# detach_keys = "ctrl-p,ctrl-q"

# Default OCI runtime
runtime = "runc"

# List of the OCI runtimes that support --format=json.  When json is supported
# libpod will use it for reporting nicer errors.
runtime_supports_json = ["crun", "runc"]

# List of all the OCI runtimes that support --cgroup-manager=disable to disable
# creation of CGroups for containers.
runtime_supports_nocgroups = ["crun"]

# Paths to look for a valid OCI runtime (runc, runv, etc)
# If the paths are empty or no valid path was found, then the `$PATH`
# environment variable will be used as the fallback.
[runtimes]
runc = [
	    "/usr/bin/runc",
	    "/usr/sbin/runc",
	    "/usr/local/bin/runc",
	    "/usr/local/sbin/runc",
	    "/sbin/runc",
	    "/bin/runc",
	    "/usr/lib/cri-o-runc/sbin/runc",
	    "/run/current-system/sw/bin/runc",
]

crun = [
		"/usr/bin/crun",
		"/usr/sbin/crun",
		"/usr/local/bin/crun",
		"/usr/local/sbin/crun",
		"/sbin/crun",
		"/bin/crun",
		"/run/current-system/sw/bin/crun",
]

# Kata Containers is an OCI runtime, where containers are run inside lightweight
# Virtual Machines (VMs). Kata provides additional isolation towards the host,
# minimizing the host attack surface and mitigating the consequences of
# containers breakout.
# Please notes that Kata does not support rootless podman yet, but we can leave
# the paths below blank to let them be discovered by the $PATH environment
# variable.

# Kata Containers with the default configured VMM
kata-runtime = [
    "/usr/bin/kata-runtime",
]

# Kata Containers with the QEMU VMM
kata-qemu = [
    "/usr/bin/kata-qemu",
]

# Kata Containers with the Firecracker VMM
kata-fc = [
    "/usr/bin/kata-fc",
]

# The [runtimes] table MUST be the last thing in this file.
# (Unless another table is added)
# TOML does not provide a way to end a table other than a further table being
# defined, so every key hereafter will be part of [runtimes] and not the main
# config.