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Updating network commands: adding man pages

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Updating connect to include paused

Signed-off-by: Mary Anthony <mary@docker.com>
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40
docs/reference/commandline/network_connect.md
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@ -16,14 +16,40 @@ parent = "smn_cli"
--help=false Print usage
Connects a running container to a network. This enables instant communication with other containers belonging to the same network.
Connects a running container to a network. You can connect a container by name
or by ID. Once connected, the container can communicate with other containers in
the same network.
```
$ docker network create -d overlay multi-host-network
$ docker run -d --name=container1 busybox top
$ docker network connect multi-host-network container1
```bash
$ docker network connect multi-host-network container1
```
the container will be connected to the network that is created and managed by the driver (multi-host overlay driver in the above example) or external network plugins.
You can also use the `docker run --net=<network-name>` option to start a container and immediately connect it to a network.
Multiple containers can be connected to the same network and the containers in the same network will start to communicate with each other. If the driver/plugin supports multi-host connectivity, then the containers connected to the same multi-host network will be able to communicate seamlessly.
```bash
$ docker run -itd --net=multi-host-network busybox
```
You can pause, restart, and stop containers that are connected to a network.
Paused containers remain connected and a revealed by a `network inspect`. When
the container is stopped, it does not appear on the network until you restart
it. The container's IP address is not guaranteed to remain the same when a
stopped container rejoins the network.
To verify the container is connected, use the `docker network inspect` command. Use `docker network disconnect` to remove a container from the network.
Once connected in network, containers can communicate using only another
container's IP address or name. For `overlay` networks or custom plugins that
support multi-host connectivity, containers connected to the same multi-host
network but launched from different Engines can also communicate in this way.
You can connect a container to one or more networks. The networks need not be the same type. For example, you can connect a single container bridge and overlay networks.
## Related information
* [network inspect](network_inspect.md)
* [network create](network_create.md)
* [network disconnect](network_disconnect.md)
* [network ls](network_ls.md)
* [network rm](network_rm.md)
* [Understand Docker container networks](../../userguide/networking/dockernetworks.md)

119
docs/reference/commandline/network_create.md
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@ -2,7 +2,7 @@
+++
title = "network create"
description = "The network create command description and usage"
keywords = ["network, create"]
keywords = ["network create"]
[menu.main]
parent = "smn_cli"
+++
@ -14,18 +14,117 @@ parent = "smn_cli"
Creates a new network with a name specified by the user
-d, --driver= Driver to manage the Network
--help=false Print usage
--aux-address=map[] Auxiliary ipv4 or ipv6 addresses used by network driver
-d --driver=DRIVER Driver to manage the Network bridge or overlay. The default is bridge.
--gateway=[] ipv4 or ipv6 Gateway for the master subnet
--help=false Print usage
--ip-range=[] Allocate container ip from a sub-range
--ipam-driver=default IP Address Management Driver
-o --opt=map[] Set custom network plugin options
--subnet=[] Subnet in CIDR format that represents a network segment
Creates a new network that containers can connect to. If the driver supports multi-host networking, the created network will be made available across all the hosts in the cluster. Daemon will do its best to identify network name conflicts. But its the users responsibility to make sure network name is unique across the cluster. You create a network and then configure the container to use it, for example:
Creates a new network. The `DRIVER` accepts `bridge` or `overlay` which are the
built-in network drivers. If you have installed a third party or your own custom
network driver you can specify that `DRIVER` here also. If you don't specify the
`--driver` option, the command automatically creates a `bridge` network for you.
When you install Docker Engine it creates a `bridge` network automatically. This
network corresponds to the `docker0` bridge that Engine has traditionally relied
on. When launch a new container with `docker run` it automatically connects to
this bridge network. You cannot remove this default bridge network but you can
create new ones using the `network create` command.
```
$ docker network create -d overlay multi-host-network
$ docker run -itd --net=multi-host-network busybox
```bash
$ docker network create -d bridge my-bridge-network
```
the container will be connected to the network that is created and managed by the driver (multi-host overlay driver in the above example) or external network plugins.
Bridge networks are isolated networks on a single Engine installation. If you
want to create a network that spans multiple Docker hosts each running an
Engine, you must create an `overlay` network. Unlike `bridge` networks overlay
networks require some pre-existing conditions before you can create one. These
conditions are:
Multiple containers can be connected to the same network and the containers in the same network will start to communicate with each other. If the driver/plugin supports multi-host connectivity, then the containers connected to the same multi-host network will be able to communicate seamlessly.
* Access to a key-value store. Engine supports Consul, Etcd, and Zookeeper (Distributed store) key-value stores.
* A cluster of hosts with connectivity to the key-value store.
* A properly configured Engine `daemon` on each host in the cluster.
*Note*: UX needs enhancement to accept network options to be passed to the drivers
The `docker daemon` options that support the `overlay` network are:
* `--cluster-store`
* `--cluster-store-opt`
* `--cluster-advertise`
To read more about these options and how to configure them, see ["*Get started
with multi-host network*"](../../userguide/networking/get-started-overlay.md).
It is also a good idea, though not required, that you install Docker Swarm on to
manage the cluster that makes up your network. Swarm provides sophisticated
discovery and server management that can assist your implementation.
Once you have prepared the `overlay` network prerequisites you simply choose a
Docker host in the cluster and issue the following to create the network:
```bash
$ docker network create -d overlay my-multihost-network
```
Network names must be unique. The Docker daemon attempts to identify naming
conflicts but this is not guaranteed. It is the user's responsibility to avoid
name conflicts.
## Connect containers
When you start a container use the `--net` flag to connect it to a network.
This adds the `busybox` container to the `mynet` network.
```bash
$ docker run -itd --net=mynet busybox
```
If you want to add a container to a network after the container is already
running use the `docker network connect` subcommand.
You can connect multiple containers to the same network. Once connected, the
containers can communicate using only another container's IP address or name.
For `overlay` networks or custom plugins that support multi-host connectivity,
containers connected to the same multi-host network but launched from different
Engines can also communicate in this way.
You can disconnect a container from a network using the `docker network
disconnect` command.
## Specifying advanced options
When you create a network, Engine creates a non-overlapping subnetwork for the network by default. This subnetwork is not a subdivision of an existing network. It is purely for ip-addressing purposes. You can override this default and specify subnetwork values directly using the the `--subnet` option. On a `bridge` network you can only create a single subnet:
```bash
docker network create -d --subnet=192.168.0.0/16
```
Additionally, you also specify the `--gateway` `--ip-range` and `--aux-address` options.
```bash
network create --driver=bridge --subnet=172.28.0.0/16 --ip-range=172.28.5.0/24 --gateway=172.28.5.254 br0
```
If you omit the `--gateway` flag the Engine selects one for you from inside a
preferred pool. For `overlay` networks and for network driver plugins that
support it you can create multiple subnetworks.
```bash
docker network create -d overlay
--subnet=192.168.0.0/16 --subnet=192.170.0.0/16
--gateway=192.168.0.100 --gateway=192.170.0.100
--ip-range=192.168.1.0/24
--aux-address a=192.168.1.5 --aux-address b=192.168.1.6
--aux-address a=192.170.1.5 --aux-address b=192.170.1.6
my-multihost-newtork
```
Be sure that your subnetworks do not overlap. If they do, the network create fails and Engine returns an error.
## Related information
* [network inspect](network_inspect.md)
* [network connect](network_connect.md)
* [network disconnect](network_disconnect.md)
* [network ls](network_ls.md)
* [network rm](network_rm.md)
* [Understand Docker container networks](../../userguide/networking/dockernetworks.md)

16
docs/reference/commandline/network_disconnect.md
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@ -16,12 +16,18 @@ parent = "smn_cli"
--help=false Print usage
Disconnects a running container from a network.
Disconnects a container from a network. The container must be running to disconnect it from the network.
```
$ docker network create -d overlay multi-host-network
$ docker run -d --net=multi-host-network --name=container1 busybox top
```bash
$ docker network disconnect multi-host-network container1
```
the container will be disconnected from the network.
## Related information
* [network inspect](network_inspect.md)
* [network connect](network_connect.md)
* [network create](network_create.md)
* [network ls](network_ls.md)
* [network rm](network_rm.md)
* [Understand Docker container networks](../../userguide/networking/dockernetworks.md)

67
docs/reference/commandline/network_inspect.md
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@ -10,42 +10,55 @@ parent = "smn_cli"
# network inspect
Usage: docker network inspect [OPTIONS] NETWORK
Usage: docker network inspect [OPTIONS] NETWORK [NETWORK..]
Displays detailed information on a network
--help=false Print usage
Returns information about a network. By default, this command renders all results
in a JSON object.
Returns information about one or more networks. By default, this command renders all results in a JSON object. For example, if you connect two containers to a network:
Example output:
```
```bash
$ sudo docker run -itd --name=container1 busybox
f2870c98fd504370fb86e59f32cd0753b1ac9b69b7d80566ffc7192a82b3ed27
$ sudo docker run -itd --name=container2 busybox
bda12f8922785d1f160be70736f26c1e331ab8aaf8ed8d56728508f2e2fd4727
$ sudo docker network inspect bridge
{
"name": "bridge",
"id": "7fca4eb8c647e57e9d46c32714271e0c3f8bf8d17d346629e2820547b2d90039",
"driver": "bridge",
"containers": {
"bda12f8922785d1f160be70736f26c1e331ab8aaf8ed8d56728508f2e2fd4727": {
"endpoint": "e0ac95934f803d7e36384a2029b8d1eeb56cb88727aa2e8b7edfeebaa6dfd758",
"mac_address": "02:42:ac:11:00:03",
"ipv4_address": "172.17.0.3/16",
"ipv6_address": ""
},
"f2870c98fd504370fb86e59f32cd0753b1ac9b69b7d80566ffc7192a82b3ed27": {
"endpoint": "31de280881d2a774345bbfb1594159ade4ae4024ebfb1320cb74a30225f6a8ae",
"mac_address": "02:42:ac:11:00:02",
"ipv4_address": "172.17.0.2/16",
"ipv6_address": ""
}
}
}
```
The `network inspect` command shows the containers, by id, in its results.
```bash
$ sudo docker network inspect bridge
[
{
"name": "bridge",
"id": "7fca4eb8c647e57e9d46c32714271e0c3f8bf8d17d346629e2820547b2d90039",
"driver": "bridge",
"containers": {
"bda12f8922785d1f160be70736f26c1e331ab8aaf8ed8d56728508f2e2fd4727": {
"endpoint": "e0ac95934f803d7e36384a2029b8d1eeb56cb88727aa2e8b7edfeebaa6dfd758",
"mac_address": "02:42:ac:11:00:03",
"ipv4_address": "172.17.0.3/16",
"ipv6_address": ""
},
"f2870c98fd504370fb86e59f32cd0753b1ac9b69b7d80566ffc7192a82b3ed27": {
"endpoint": "31de280881d2a774345bbfb1594159ade4ae4024ebfb1320cb74a30225f6a8ae",
"mac_address": "02:42:ac:11:00:02",
"ipv4_address": "172.17.0.2/16",
"ipv6_address": ""
}
}
}
]
```
## Related information
* [network disconnect ](network_disconnect.md)
* [network connect](network_connect.md)
* [network create](network_create.md)
* [network ls](network_ls.md)
* [network rm](network_rm.md)
* [Understand Docker container networks](../../userguide/networking/dockernetworks.md)

29
docs/reference/commandline/network_ls.md
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@ -17,14 +17,35 @@ parent = "smn_cli"
--no-trunc=false Do not truncate the output
-q, --quiet=false Only display numeric IDs
Lists all the networks Docker knows about. This include the networks that spans across multiple hosts in a cluster.
Lists all the networks the Engine `daemon` knows about. This includes the
networks that span across multiple hosts in a cluster, for example:
Example output:
```
```bash
$ sudo docker network ls
NETWORK ID NAME DRIVER
7fca4eb8c647 bridge bridge
9f904ee27bf5 none null
cf03ee007fb4 host host
78b03ee04fc4 multi-host overlay
```
Use the `--no-trunc` option to display the full network id:
```bash
docker network ls --no-trunc
NETWORK ID NAME DRIVER
18a2866682b85619a026c81b98a5e375bd33e1b0936a26cc497c283d27bae9b3 none null
c288470c46f6c8949c5f7e5099b5b7947b07eabe8d9a27d79a9cbf111adcbf47 host host
7b369448dccbf865d397c8d2be0cda7cf7edc6b0945f77d2529912ae917a0185 bridge bridge
95e74588f40db048e86320c6526440c504650a1ff3e9f7d60a497c4d2163e5bd foo bridge
```
## Related information
* [network disconnect ](network_disconnect.md)
* [network connect](network_connect.md)
* [network create](network_create.md)
* [network inspect](network_inspect.md)
* [network rm](network_rm.md)
* [Understand Docker container networks](../../userguide/networking/dockernetworks.md)

15
docs/reference/commandline/network_rm.md
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@ -10,14 +10,23 @@ parent = "smn_cli"
# network rm
Usage: docker network rm [OPTIONS] NETWORK
Usage: docker network rm [OPTIONS] NAME | ID
Deletes a network
--help=false Print usage
Removes a network. You cannot remove a network that is in use by 1 or more containers.
Removes a network by name or identifier. To remove a network, you must first disconnect any containers connected to it.
```
```bash
$ docker network rm my-network
```
## Related information
* [network disconnect ](network_disconnect.md)
* [network connect](network_connect.md)
* [network create](network_create.md)
* [network ls](network_ls.md)
* [network inspect](network_inspect.md)
* [Understand Docker container networks](../../userguide/networking/dockernetworks.md)

7
docs/reference/commandline/run.md
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@ -54,7 +54,12 @@ parent = "smn_cli"
--memory-swap="" Total memory (memory + swap), '-1' to disable swap
--memory-swappiness="" Tune a container's memory swappiness behavior. Accepts an integer between 0 and 100.
--name="" Assign a name to the container
--net="default" Set the Network mode for the container
--net="bridge" Connects a container to a network
'bridge': creates a new network stack for the container on the docker bridge
'none': no networking for this container
'container:<name|id>': reuses another container network stack
'host': use the host network stack inside the container
'NETWORK': connects the container to user-created network using `docker network create` command
--oom-kill-disable=false Whether to disable OOM Killer for the container or not
-P, --publish-all=false Publish all exposed ports to random ports
-p, --publish=[] Publish a container's port(s) to the host

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@ -0,0 +1,55 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-connect - connect a container to a network
# SYNOPSIS
**docker network connect NAME CONTAINER**
[**--help**]
# DESCRIPTION
Connects a running container to a network. You can connect a container by name
or by ID. Once connected, the container can communicate with other containers in
the same network.
```bash
$ docker network connect multi-host-network container1
```
You can also use the `docker run --net=<network-name>` option to start a container and immediately connect it to a network.
```bash
$ docker run -itd --net=multi-host-network busybox
```
You can pause, restart, and stop containers that are connected to a network.
Paused containers remain connected and a revealed by a `network inspect`. When
the container is stopped, it does not appear on the network until you restart
it. The container's IP address is not guaranteed to remain the same when a
stopped container rejoins the network.
To verify the container is connected, use the `docker network inspect` command. Use `docker network disconnect` to remove a container from the network.
Once connected in network, containers can communicate using only another
container's IP address or name. For `overlay` networks or custom plugins that
support multi-host connectivity, containers connected to the same multi-host
network but launched from different Engines can also communicate in this way.
You can connect a container to one or more networks. The networks need not be the same type. For example, you can connect a single container bridge and overlay networks.
# OPTIONS
**NAME**
Specify network driver name
**CONTAINER**
Specify container name
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

149
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@ -0,0 +1,149 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-create - create a new network
# SYNOPSIS
**docker network create**
**--aux-address=map[]**
**-d** | **--driver=DRIVER**
**--gateway=[]**
**--help=false**
**--ip-range=[]**
**--ipam-driver=default**
**-o** | **--opt=map[]**
**--subnet=[]**
# DESCRIPTION
Creates a new network. The `DRIVER` accepts `bridge` or `overlay` which are the
built-in network drivers. If you have installed a third party or your own custom
network driver you can specify that `DRIVER` here also. If you don't specify the
`--driver` option, the command automatically creates a `bridge` network for you.
When you install Docker Engine it creates a `bridge` network automatically. This
network corresponds to the `docker0` bridge that Engine has traditionally relied
on. When launch a new container with `docker run` it automatically connects to
this bridge network. You cannot remove this default bridge network but you can
create new ones using the `network create` command.
```bash
$ docker network create -d bridge my-bridge-network
```
Bridge networks are isolated networks on a single Engine installation. If you
want to create a network that spans multiple Docker hosts each running an
Engine, you must create an `overlay` network. Unlike `bridge` networks overlay
networks require some pre-existing conditions before you can create one. These
conditions are:
* Access to a key-value store. Engine supports Consul, Etcd, and Zookeeper (Distributed store) key-value stores.
* A cluster of hosts with connectivity to the key-value store.
* A properly configured Engine `daemon` on each host in the cluster.
The `docker daemon` options that support the `overlay` network are:
* `--cluster-store`
* `--cluster-store-opt`
* `--cluster-advertise`
To read more about these options and how to configure them, see ["*Get started
with multi-host
network*"](https://www.docker.com/engine/userguide/networking/get-started-overlay.md).
It is also a good idea, though not required, that you install Docker Swarm on to
manage the cluster that makes up your network. Swarm provides sophisticated
discovery and server management that can assist your implementation.
Once you have prepared the `overlay` network prerequisites you simply choose a
Docker host in the cluster and issue the following to create the network:
```bash
$ docker network create -d overlay my-multihost-network
```
Network names must be unique. The Docker daemon attempts to identify naming
conflicts but this is not guaranteed. It is the user's responsibility to avoid
name conflicts.
## Connect containers
When you start a container use the `--net` flag to connect it to a network.
This adds the `busybox` container to the `mynet` network.
```bash
$ docker run -itd --net=mynet busybox
```
If you want to add a container to a network after the container is already
running use the `docker network connect` subcommand.
You can connect multiple containers to the same network. Once connected, the
containers can communicate using only another container's IP address or name.
For `overlay` networks or custom plugins that support multi-host connectivity,
containers connected to the same multi-host network but launched from different
Engines can also communicate in this way.
You can disconnect a container from a network using the `docker network
disconnect` command.
## Specifying advanced options
When you create a network, Engine creates a non-overlapping subnetwork for the
network by default. This subnetwork is not a subdivision of an existing network.
It is purely for ip-addressing purposes. You can override this default and
specify subnetwork values directly using the the `--subnet` option. On a
`bridge` network you can only create a single subnet:
```bash
docker network create -d --subnet=192.168.0.0/16
```
Additionally, you also specify the `--gateway` `--ip-range` and `--aux-address` options.
```bash
network create --driver=bridge --subnet=172.28.0.0/16 --ip-range=172.28.5.0/24 --gateway=172.28.5.254 br0
```
If you omit the `--gateway` flag the Engine selects one for you from inside a
preferred pool. For `overlay` networks and for network driver plugins that
support it you can create multiple subnetworks.
```bash
docker network create -d overlay
--subnet=192.168.0.0/16 --subnet=192.170.0.0/16
--gateway=192.168.0.100 --gateway=192.170.0.100
--ip-range=192.168.1.0/24
--aux-address a=192.168.1.5 --aux-address b=192.168.1.6
--aux-address a=192.170.1.5 --aux-address b=192.170.1.6
my-multihost-newtork
```
Be sure that your subnetworks do not overlap. If they do, the network create fails and Engine returns an error.
# OPTIONS
**--aux-address=map[]**
Auxiliary ipv4 or ipv6 addresses used by network driver
**-d** | **--driver=DRIVER**
Driver to manage the Network bridge or overlay. The default is bridge.
**--gateway=[] **
ipv4 or ipv6 Gateway for the master subnet
**--help=false **
Print usage
**--ip-range=[] **
Allocate container ip from a sub-range
**--ipam-driver=default **
IP Address Management Driver
**-o | --opt=map[]**
Set custom network plugin options
**--subnet=[]**
Subnet in CIDR format that represents a network segment
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

32
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@ -0,0 +1,32 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-disconnect - disconnect a container from a network
# SYNOPSIS
**docker network disconnect NETWORK CONTAINER**
[**--help**]
# DESCRIPTION
Disconnects a container from a network. The container must be running to disconnect it from the network.
```bash
$ docker network disconnect multi-host-network container1
```
# OPTIONS
**NETWORK**
Specify network name
**CONTAINER**
Specify container name
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

58
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@ -0,0 +1,58 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-inspect - inspect a network
# SYNOPSIS
**docker network inspect NETWORK [NETWORK...]**
[**--help**]
# DESCRIPTION
Returns information about one or more networks. By default, this command renders all results in a JSON object. For example, if you connect two containers to a network:
```bash
$ sudo docker run -itd --name=container1 busybox
f2870c98fd504370fb86e59f32cd0753b1ac9b69b7d80566ffc7192a82b3ed27
$ sudo docker run -itd --name=container2 busybox
bda12f8922785d1f160be70736f26c1e331ab8aaf8ed8d56728508f2e2fd4727
```
The `network inspect` command shows the containers, by id, in its results.
```bash
$ sudo docker network inspect bridge
[
{
"name": "bridge",
"id": "7fca4eb8c647e57e9d46c32714271e0c3f8bf8d17d346629e2820547b2d90039",
"driver": "bridge",
"containers": {
"bda12f8922785d1f160be70736f26c1e331ab8aaf8ed8d56728508f2e2fd4727": {
"endpoint": "e0ac95934f803d7e36384a2029b8d1eeb56cb88727aa2e8b7edfeebaa6dfd758",
"mac_address": "02:42:ac:11:00:03",
"ipv4_address": "172.17.0.3/16",
"ipv6_address": ""
},
"f2870c98fd504370fb86e59f32cd0753b1ac9b69b7d80566ffc7192a82b3ed27": {
"endpoint": "31de280881d2a774345bbfb1594159ade4ae4024ebfb1320cb74a30225f6a8ae",
"mac_address": "02:42:ac:11:00:02",
"ipv4_address": "172.17.0.2/16",
"ipv6_address": ""
}
}
}
]
```
# OPTIONS
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

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@ -0,0 +1,51 @@
% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-ls - list networks
# SYNOPSIS
**docker network ls**
[**--no-trunc**]
[**-q** | **--quiet**]
[**--help**]
# DESCRIPTION
Lists all the networks the Engine `daemon` knows about. This includes the
networks that span across multiple hosts in a cluster, for example:
```bash
$ sudo docker network ls
NETWORK ID NAME DRIVER
7fca4eb8c647 bridge bridge
9f904ee27bf5 none null
cf03ee007fb4 host host
78b03ee04fc4 multi-host overlay
```
Use the `--no-trunc` option to display the full network id:
```bash
docker network ls --no-trunc
NETWORK ID NAME DRIVER
18a2866682b85619a026c81b98a5e375bd33e1b0936a26cc497c283d27bae9b3 none null
c288470c46f6c8949c5f7e5099b5b7947b07eabe8d9a27d79a9cbf111adcbf47 host host
7b369448dccbf865d397c8d2be0cda7cf7edc6b0945f77d2529912ae917a0185 bridge bridge
95e74588f40db048e86320c6526440c504650a1ff3e9f7d60a497c4d2163e5bd foo bridge
```
# OPTIONS
[**--no-trunc**]
Do not truncate the output
[**-q** | **--quiet**]
Only display numeric IDs
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>

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% DOCKER(1) Docker User Manuals
% Docker Community
% OCT 2015
# NAME
docker-network-rm - remove a new network
# SYNOPSIS
**docker network rm NETWORK**
[**--help**]
# DESCRIPTION
Removes a network by name or identifier. To remove a network, you must first disconnect any containers connected to it.
```
$ docker network rm my-network
```
# OPTIONS
**NETWORK**
Specify network name
**--help**
Print usage statement
# HISTORY
OCT 2015, created by Mary Anthony <mary@docker.com>