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Add network options to podman pod create

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Enables most of the network-related functionality from
`podman run` in `podman pod create`. Custom CNI networks can be
specified, host networking is supported, DNS options can be
configured.

Also enables host networking in `podman play kube`.

Fixes #2808
Fixes #3837
Fixes #4432
Fixes #4718
Fixes #4770

Signed-off-by: Matthew Heon <matthew.heon@pm.me>
This commit is contained in:
Matthew Heon
2020-02-17 16:49:59 -05:00
parent 666d8cf1de
commit 97323808ed
10 changed files with 403 additions and 98 deletions
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54
docs/source/markdown/podman-pod-create.1.md
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@ -15,50 +15,82 @@ containers added to it. The pod id is printed to STDOUT. You can then use
## OPTIONS
**--add-host**=_host_:_ip_
Add a host to the /etc/hosts file shared between all containers in the pod.
**--cgroup-parent**=*path*
Path to cgroups under which the cgroup for the pod will be created. If the path is not absolute, the path is considered to be relative to the cgroups path of the init process. Cgroups will be created if they do not already exist.
**--dns**=*ipaddr*
Set custom DNS servers in the /etc/resolv.conf file that will be shared between all containers in the pod. A special option, "none" is allowed which disables creation of /etc/resolv.conf for the pod.
**--dns-opt**=*option*
Set custom DNS options in the /etc/resolv.conf file that will be shared between all containers in the pod.
**--dns-search**=*domain*
Set custom DNS search domains in the /etc/resolv.conf file that will be shared between all containers in the pod.
**--help**
Print usage statement
Print usage statement.
**--infra**
**--infra**=**true**|**false**
Create an infra container and associate it with the pod. An infra container is a lightweight container used to coordinate the shared kernel namespace of a pod. Default: true
Create an infra container and associate it with the pod. An infra container is a lightweight container used to coordinate the shared kernel namespace of a pod. Default: true.
**--infra-command**=*command*
The command that will be run to start the infra container. Default: "/pause"
The command that will be run to start the infra container. Default: "/pause".
**--infra-image**=*image*
The image that will be created for the infra container. Default: "k8s.gcr.io/pause:3.1"
The image that will be created for the infra container. Default: "k8s.gcr.io/pause:3.1".
**--ip**=*ipaddr*
Set a static IP for the pod's shared network.
**-l**, **--label**=*label*
Add metadata to a pod (e.g., --label com.example.key=value)
Add metadata to a pod (e.g., --label com.example.key=value).
**--label-file**=*label*
Read in a line delimited file of labels
Read in a line delimited file of labels.
**--mac-address**=*address*
Set a static MAC address for the pod's shared network.
**-n**, **--name**=*name*
Assign a name to the pod
Assign a name to the pod.
**--network**=*mode*
Set network mode for the pod. Supported values are *bridge* (the default), *host* (do not create a network namespace, all containers in the pod will use the host's network), or a comma-separated list of the names of CNI networks the pod should join.
**--no-hosts**=**true**|**false**
Disable creation of /etc/hosts for the pod.
**--podidfile**=*podid*
Write the pod ID to the file
Write the pod ID to the file.
**-p**, **--publish**=*port*
Publish a port or range of ports from the pod to the host
Publish a port or range of ports from the pod to the host.
Format: `ip:hostPort:containerPort | ip::containerPort | hostPort:containerPort | containerPort`
Both hostPort and containerPort can be specified as a range of ports.
When specifying ranges for both, the number of container ports in the range must match the number of host ports in the range.
Use `podman port` to see the actual mapping: `podman port CONTAINER $CONTAINERPORT`
Use `podman port` to see the actual mapping: `podman port CONTAINER $CONTAINERPORT`.
NOTE: This cannot be modified once the pod is created.