From 4a58a27adad59f19c7d14d0b9753259baed011f4 Mon Sep 17 00:00:00 2001 From: Christian Breunig Date: Tue, 28 Mar 2023 21:34:15 +0200 Subject: container: T2216: explicitly select CNI network backend As podman is going to use netavark as new default we must explicitly select the old driver until we have migrated to netavark. --- data/templates/container/containers.conf.j2 | 709 ++++++++++++++++++++++++++++ 1 file changed, 709 insertions(+) create mode 100644 data/templates/container/containers.conf.j2 (limited to 'data/templates/container') diff --git a/data/templates/container/containers.conf.j2 b/data/templates/container/containers.conf.j2 new file mode 100644 index 000000000..9f66aed27 --- /dev/null +++ b/data/templates/container/containers.conf.j2 @@ -0,0 +1,709 @@ +### Autogenerated by container.py ### + +# The containers configuration file specifies all of the available configuration +# command-line options/flags for container engine tools like Podman & Buildah, +# but in a TOML format that can be easily modified and versioned. + +# Please refer to containers.conf(5) for details of all configuration options. +# Not all container engines implement all of the options. +# All of the options have hard coded defaults and these options will override +# the built in defaults. Users can then override these options via the command +# line. Container engines will read containers.conf files in up to three +# locations in the following order: +# 1. /usr/share/containers/containers.conf +# 2. /etc/containers/containers.conf +# 3. $HOME/.config/containers/containers.conf (Rootless containers ONLY) +# Items specified in the latter containers.conf, if they exist, override the +# previous containers.conf settings, or the default settings. + +[containers] + +# List of annotation. Specified as +# "key = value" +# If it is empty or commented out, no annotations will be added +# +#annotations = [] + +# Used to change the name of the default AppArmor profile of container engine. +# +#apparmor_profile = "container-default" + +# The hosts entries from the base hosts file are added to the containers hosts +# file. This must be either an absolute path or as special values "image" which +# uses the hosts file from the container image or "none" which means +# no base hosts file is used. The default is "" which will use /etc/hosts. +# +#base_hosts_file = "" + +# Default way to to create a cgroup namespace for the container +# Options are: +# `private` Create private Cgroup Namespace for the container. +# `host` Share host Cgroup Namespace with the container. +# +#cgroupns = "private" + +# Control container cgroup configuration +# Determines whether the container will create CGroups. +# Options are: +# `enabled` Enable cgroup support within container +# `disabled` Disable cgroup support, will inherit cgroups from parent +# `no-conmon` Do not create a cgroup dedicated to conmon. +# +#cgroups = "enabled" + +# List of default capabilities for containers. If it is empty or commented out, +# the default capabilities defined in the container engine will be added. +# +default_capabilities = [ + "CHOWN", + "DAC_OVERRIDE", + "FOWNER", + "FSETID", + "KILL", + "NET_BIND_SERVICE", + "SETFCAP", + "SETGID", + "SETPCAP", + "SETUID", + "SYS_CHROOT" +] + +# A list of sysctls to be set in containers by default, +# specified as "name=value", +# for example:"net.ipv4.ping_group_range=0 0". +# +default_sysctls = [ + "net.ipv4.ping_group_range=0 0", +] + +# A list of ulimits to be set in containers by default, specified as +# "=:", for example: +# "nofile=1024:2048" +# See setrlimit(2) for a list of resource names. +# Any limit not specified here will be inherited from the process launching the +# container engine. +# Ulimits has limits for non privileged container engines. +# +#default_ulimits = [ +# "nofile=1280:2560", +#] + +# List of devices. Specified as +# "::", for example: +# "/dev/sdc:/dev/xvdc:rwm". +# If it is empty or commented out, only the default devices will be used +# +#devices = [] + +# List of default DNS options to be added to /etc/resolv.conf inside of the container. +# +#dns_options = [] + +# List of default DNS search domains to be added to /etc/resolv.conf inside of the container. +# +#dns_searches = [] + +# Set default DNS servers. +# This option can be used to override the DNS configuration passed to the +# container. The special value "none" can be specified to disable creation of +# /etc/resolv.conf in the container. +# The /etc/resolv.conf file in the image will be used without changes. +# +#dns_servers = [] + +# Environment variable list for the conmon process; used for passing necessary +# environment variables to conmon or the runtime. +# +#env = [ +# "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", +# "TERM=xterm", +#] + +# Pass all host environment variables into the container. +# +#env_host = false + +# Set the ip for the host.containers.internal entry in the containers /etc/hosts +# file. This can be set to "none" to disable adding this entry. By default it +# will automatically choose the host ip. +# +# NOTE: When using podman machine this entry will never be added to the containers +# hosts file instead the gvproxy dns resolver will resolve this hostname. Therefore +# it is not possible to disable the entry in this case. +# +#host_containers_internal_ip = "" + +# Default proxy environment variables passed into the container. +# The environment variables passed in include: +# http_proxy, https_proxy, ftp_proxy, no_proxy, and the upper case versions of +# these. This option is needed when host system uses a proxy but container +# should not use proxy. Proxy environment variables specified for the container +# in any other way will override the values passed from the host. +# +#http_proxy = true + +# Run an init inside the container that forwards signals and reaps processes. +# +#init = false + +# Container init binary, if init=true, this is the init binary to be used for containers. +# +#init_path = "/usr/libexec/podman/catatonit" + +# Default way to to create an IPC namespace (POSIX SysV IPC) for the container +# Options are: +# "host" Share host IPC Namespace with the container. +# "none" Create shareable IPC Namespace for the container without a private /dev/shm. +# "private" Create private IPC Namespace for the container, other containers are not allowed to share it. +# "shareable" Create shareable IPC Namespace for the container. +# +#ipcns = "shareable" + +# keyring tells the container engine whether to create +# a kernel keyring for use within the container. +# +#keyring = true + +# label tells the container engine whether to use container separation using +# MAC(SELinux) labeling or not. +# The label flag is ignored on label disabled systems. +# +#label = true + +# Logging driver for the container. Available options: k8s-file and journald. +# +#log_driver = "k8s-file" + +# Maximum size allowed for the container log file. Negative numbers indicate +# that no size limit is imposed. If positive, it must be >= 8192 to match or +# exceed conmon's read buffer. The file is truncated and re-opened so the +# limit is never exceeded. +# +#log_size_max = -1 + +# Specifies default format tag for container log messages. +# This is useful for creating a specific tag for container log messages. +# Containers logs default to truncated container ID as a tag. +# +#log_tag = "" + +# Default way to to create a Network namespace for the container +# Options are: +# `private` Create private Network Namespace for the container. +# `host` Share host Network Namespace with the container. +# `none` Containers do not use the network +# +#netns = "private" + +# Create /etc/hosts for the container. By default, container engine manage +# /etc/hosts, automatically adding the container's own IP address. +# +#no_hosts = false + +# Default way to to create a PID namespace for the container +# Options are: +# `private` Create private PID Namespace for the container. +# `host` Share host PID Namespace with the container. +# +#pidns = "private" + +# Maximum number of processes allowed in a container. +# +#pids_limit = 2048 + +# Copy the content from the underlying image into the newly created volume +# when the container is created instead of when it is started. If false, +# the container engine will not copy the content until the container is started. +# Setting it to true may have negative performance implications. +# +#prepare_volume_on_create = false + +# Path to the seccomp.json profile which is used as the default seccomp profile +# for the runtime. +# +#seccomp_profile = "/usr/share/containers/seccomp.json" + +# Size of /dev/shm. Specified as . +# Unit is optional, values: +# b (bytes), k (kilobytes), m (megabytes), or g (gigabytes). +# If the unit is omitted, the system uses bytes. +# +#shm_size = "65536k" + +# Set timezone in container. Takes IANA timezones as well as "local", +# which sets the timezone in the container to match the host machine. +# +#tz = "" + +# Set umask inside the container +# +#umask = "0022" + +# Default way to to create a User namespace for the container +# Options are: +# `auto` Create unique User Namespace for the container. +# `host` Share host User Namespace with the container. +# +#userns = "host" + +# Number of UIDs to allocate for the automatic container creation. +# UIDs are allocated from the "container" UIDs listed in +# /etc/subuid & /etc/subgid +# +#userns_size = 65536 + +# Default way to to create a UTS namespace for the container +# Options are: +# `private` Create private UTS Namespace for the container. +# `host` Share host UTS Namespace with the container. +# +#utsns = "private" + +# List of volumes. Specified as +# "::", for example: +# "/db:/var/lib/db:ro". +# If it is empty or commented out, no volumes will be added +# +#volumes = [] + +[secrets] +#driver = "file" + +[secrets.opts] +#root = "/example/directory" + +[network] + +# Network backend determines what network driver will be used to set up and tear down container networks. +# Valid values are "cni" and "netavark". +# The default value is empty which means that it will automatically choose CNI or netavark. If there are +# already containers/images or CNI networks preset it will choose CNI. +# +# Before changing this value all containers must be stopped otherwise it is likely that +# iptables rules and network interfaces might leak on the host. A reboot will fix this. +# +network_backend = "cni" + +# Path to directory where CNI plugin binaries are located. +# +#cni_plugin_dirs = [ +# "/usr/local/libexec/cni", +# "/usr/libexec/cni", +# "/usr/local/lib/cni", +# "/usr/lib/cni", +# "/opt/cni/bin", +#] + +# The network name of the default network to attach pods to. +# +#default_network = "podman" + +# The default subnet for the default network given in default_network. +# If a network with that name does not exist, a new network using that name and +# this subnet will be created. +# Must be a valid IPv4 CIDR prefix. +# +#default_subnet = "10.88.0.0/16" + +# DefaultSubnetPools is a list of subnets and size which are used to +# allocate subnets automatically for podman network create. +# It will iterate through the list and will pick the first free subnet +# with the given size. This is only used for ipv4 subnets, ipv6 subnets +# are always assigned randomly. +# +#default_subnet_pools = [ +# {"base" = "10.89.0.0/16", "size" = 24}, +# {"base" = "10.90.0.0/15", "size" = 24}, +# {"base" = "10.92.0.0/14", "size" = 24}, +# {"base" = "10.96.0.0/11", "size" = 24}, +# {"base" = "10.128.0.0/9", "size" = 24}, +#] + +# Path to the directory where network configuration files are located. +# For the CNI backend the default is "/etc/cni/net.d" as root +# and "$HOME/.config/cni/net.d" as rootless. +# For the netavark backend "/etc/containers/networks" is used as root +# and "$graphroot/networks" as rootless. +# +#network_config_dir = "/etc/cni/net.d/" + +# Port to use for dns forwarding daemon with netavark in rootful bridge +# mode and dns enabled. +# Using an alternate port might be useful if other dns services should +# run on the machine. +# +#dns_bind_port = 53 + +[engine] +# Index to the active service +# +#active_service = production + +# The compression format to use when pushing an image. +# Valid options are: `gzip`, `zstd` and `zstd:chunked`. +# +#compression_format = "gzip" + + +# Cgroup management implementation used for the runtime. +# Valid options "systemd" or "cgroupfs" +# +#cgroup_manager = "systemd" + +# Environment variables to pass into conmon +# +#conmon_env_vars = [ +# "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" +#] + +# Paths to look for the conmon container manager binary +# +#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" +#] + +# Enforces using docker.io for completing short names in Podman's compatibility +# REST API. Note that this will ignore unqualified-search-registries and +# short-name aliases defined in containers-registries.conf(5). +#compat_api_enforce_docker_hub = true + +# Specify the keys sequence used to detach a container. +# Format is a single character [a-Z] or a comma separated sequence of +# `ctrl-`, where `` is one of: +# `a-z`, `@`, `^`, `[`, `\`, `]`, `^` or `_` +# +#detach_keys = "ctrl-p,ctrl-q" + +# Determines whether engine will reserve ports on the host when they are +# forwarded to containers. When enabled, when ports are forwarded to containers, +# ports are held open by 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 + +# Environment variables to be used when running the container engine (e.g., Podman, Buildah). +# For example "http_proxy=internal.proxy.company.com". +# Note these environment variables will not be used within the container. +# Set the env section under [containers] table, if you want to set environment variables for the container. +# +#env = [] + +# Define where event logs will be stored, when events_logger is "file". +#events_logfile_path="" + +# Sets the maximum size for events_logfile_path. +# The size can be b (bytes), k (kilobytes), m (megabytes), or g (gigabytes). +# The format for the size is ``, e.g., `1b` or `3g`. +# If no unit is included then the size will be read in bytes. +# When the limit is exceeded, the logfile will be rotated and the old one will be deleted. +# If the maximum size is set to 0, then no limit will be applied, +# and the logfile will not be rotated. +#events_logfile_max_size = "1m" + +# Selects which logging mechanism to use for container engine events. +# Valid values are `journald`, `file` and `none`. +# +#events_logger = "journald" + +# A is a list of directories which are used to search for helper binaries. +# +#helper_binaries_dir = [ +# "/usr/local/libexec/podman", +# "/usr/local/lib/podman", +# "/usr/libexec/podman", +# "/usr/lib/podman", +#] + +# Path to OCI hooks directories for automatically executed hooks. +# +#hooks_dir = [ +# "/usr/share/containers/oci/hooks.d", +#] + +# Manifest Type (oci, v2s2, or v2s1) to use when pulling, pushing, building +# container images. By default image pulled and pushed match the format of the +# source image. Building/committing defaults to OCI. +# +#image_default_format = "" + +# Default transport method for pulling and pushing for images +# +#image_default_transport = "docker://" + +# Maximum number of image layers to be copied (pulled/pushed) simultaneously. +# Not setting this field, or setting it to zero, will fall back to containers/image defaults. +# +#image_parallel_copies = 0 + +# Tells container engines how to handle the builtin image volumes. +# * bind: An anonymous named volume will be created and mounted +# into the container. +# * tmpfs: The volume is mounted onto the container as a tmpfs, +# which allows users to create content that disappears when +# the container is stopped. +# * ignore: All volumes are just ignored and no action is taken. +# +#image_volume_mode = "" + +# Default command to run the infra container +# +#infra_command = "/pause" + +# Infra (pause) container image name for pod infra containers. When running a +# pod, we start a `pause` process in a container to hold open the namespaces +# associated with the pod. This container does nothing other then sleep, +# reserving the pods resources for the lifetime of the pod. By default container +# engines run a builtin container using the pause executable. If you want override +# specify an image to pull. +# +#infra_image = "" + +# Specify the locking mechanism to use; valid values are "shm" and "file". +# Change the default only if you are sure of what you are doing, in general +# "file" is useful only on platforms where cgo is not available for using the +# faster "shm" lock type. You may need to run "podman system renumber" after +# you change the lock type. +# +#lock_type** = "shm" + +# MultiImageArchive - if true, the container engine allows for storing archives +# (e.g., of the docker-archive transport) with multiple images. By default, +# Podman creates single-image archives. +# +#multi_image_archive = "false" + +# Default engine namespace +# If engine 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 = "" + +# Path to the slirp4netns binary +# +#network_cmd_path = "" + +# Default options to pass to the slirp4netns binary. +# Valid options values are: +# +# - allow_host_loopback=true|false: Allow the slirp4netns to reach the host loopback IP (`10.0.2.2`). +# Default is false. +# - mtu=MTU: Specify the MTU to use for this network. (Default is `65520`). +# - cidr=CIDR: Specify ip range to use for this network. (Default is `10.0.2.0/24`). +# - enable_ipv6=true|false: Enable IPv6. Default is true. (Required for `outbound_addr6`). +# - outbound_addr=INTERFACE: Specify the outbound interface slirp should bind to (ipv4 traffic only). +# - outbound_addr=IPv4: Specify the outbound ipv4 address slirp should bind to. +# - outbound_addr6=INTERFACE: Specify the outbound interface slirp should bind to (ipv6 traffic only). +# - outbound_addr6=IPv6: Specify the outbound ipv6 address slirp should bind to. +# - port_handler=rootlesskit: Use rootlesskit for port forwarding. Default. +# Note: Rootlesskit changes the source IP address of incoming packets to a IP address in the container +# network namespace, usually `10.0.2.100`. If your application requires the real source IP address, +# e.g. web server logs, use the slirp4netns port handler. The rootlesskit port handler is also used for +# rootless containers when connected to user-defined networks. +# - port_handler=slirp4netns: Use the slirp4netns port forwarding, it is slower than rootlesskit but +# preserves the correct source IP address. This port handler cannot be used for user-defined networks. +# +#network_cmd_options = [] + +# Whether to use chroot instead of pivot_root in the runtime +# +#no_pivot_root = false + +# 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 + +# Set the exit policy of the pod when the last container exits. +#pod_exit_policy = "continue" + +# Whether to pull new image before running a container +# +#pull_policy = "missing" + +# Indicates whether the application should be running in remote mode. This flag modifies the +# --remote option on container engines. Setting the flag to true will default +# `podman --remote=true` for access to the remote Podman service. +# +#remote = false + +# Default OCI runtime +# +#runtime = "crun" + +# List of the OCI runtimes that support --format=json. When json is supported +# engine will use it for reporting nicer errors. +# +#runtime_supports_json = ["crun", "runc", "kata", "runsc", "krun"] + +# List of the OCI runtimes that supports running containers with KVM Separation. +# +#runtime_supports_kvm = ["kata", "krun"] + +# List of the OCI runtimes that supports running containers without cgroups. +# +#runtime_supports_nocgroups = ["crun", "krun"] + +# Default location for storing temporary container image content. Can be overridden with the TMPDIR environment +# variable. If you specify "storage", then the location of the +# container/storage tmp directory will be used. +# image_copy_tmp_dir="/var/tmp" + +# Number of seconds to wait without a connection +# before the `podman system service` times out and exits +# +#service_timeout = 5 + +# Directory for persistent engine files (database, etc) +# By default, this will be configured relative to where the containers/storage +# stores containers +# Uncomment to change location from this default +# +#static_dir = "/var/lib/containers/storage/libpod" + +# Number of seconds to wait for container to exit before sending kill signal. +# +#stop_timeout = 10 + +# Number of seconds to wait before exit command in API process is given to. +# This mimics Docker's exec cleanup behaviour, where the default is 5 minutes (value is in seconds). +# +#exit_command_delay = 300 + +# map of service destinations +# +#[service_destinations] +# [service_destinations.production] +# URI to access the Podman service +# Examples: +# rootless "unix://run/user/$UID/podman/podman.sock" (Default) +# rootful "unix://run/podman/podman.sock (Default) +# remote rootless ssh://engineering.lab.company.com/run/user/1000/podman/podman.sock +# remote rootful ssh://root@10.10.1.136:22/run/podman/podman.sock +# +# uri = "ssh://user@production.example.com/run/user/1001/podman/podman.sock" +# Path to file containing ssh identity key +# identity = "~/.ssh/id_rsa" + +# Directory for temporary files. Must be tmpfs (wiped after reboot) +# +#tmp_dir = "/run/libpod" + +# 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" + +# Default timeout (in seconds) for volume plugin operations. +# Plugins are external programs accessed via a REST API; this sets a timeout +# for requests to that API. +# A value of 0 is treated as no timeout. +#volume_plugin_timeout = 5 + +# Paths to look for a valid OCI runtime (crun, runc, kata, runsc, krun, etc) +[engine.runtimes] +#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 = [ +# "/usr/bin/kata-runtime", +# "/usr/sbin/kata-runtime", +# "/usr/local/bin/kata-runtime", +# "/usr/local/sbin/kata-runtime", +# "/sbin/kata-runtime", +# "/bin/kata-runtime", +# "/usr/bin/kata-qemu", +# "/usr/bin/kata-fc", +#] + +#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", +#] + +#runsc = [ +# "/usr/bin/runsc", +# "/usr/sbin/runsc", +# "/usr/local/bin/runsc", +# "/usr/local/sbin/runsc", +# "/bin/runsc", +# "/sbin/runsc", +# "/run/current-system/sw/bin/runsc", +#] + +#krun = [ +# "/usr/bin/krun", +# "/usr/local/bin/krun", +#] + +[engine.volume_plugins] +#testplugin = "/run/podman/plugins/test.sock" + +[machine] +# Number of CPU's a machine is created with. +# +#cpus=1 + +# The size of the disk in GB created when init-ing a podman-machine VM. +# +#disk_size=10 + +# Default image URI when creating a new VM using `podman machine init`. +# Options: On Linux/Mac, `testing`, `stable`, `next`. On Windows, the major +# version of the OS (e.g `36`) for Fedora 36. For all platforms you can +# alternatively specify a custom download URL to an image. Container engines +# translate URIs $OS and $ARCH to the native OS and ARCH. URI +# "https://example.com/$OS/$ARCH/foobar.ami" becomes +# "https://example.com/linux/amd64/foobar.ami" on a Linux AMD machine. +# The default value is `testing`. +# +# image = "testing" + +# Memory in MB a machine is created with. +# +#memory=2048 + +# The username to use and create on the podman machine OS for rootless +# container access. +# +#user = "core" + +# Host directories to be mounted as volumes into the VM by default. +# Environment variables like $HOME as well as complete paths are supported for +# the source and destination. An optional third field `:ro` can be used to +# tell the container engines to mount the volume readonly. +# +# volumes = [ +# "$HOME:$HOME", +#] + +# The [machine] table MUST be the last entry 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 [machine] and not the +# main config. -- cgit v1.2.3