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https://issues.apache.org/jira/browse/YARN-9003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16732523#comment-16732523
]
Eric Yang commented on YARN-9003:
---------------------------------
Docker inspect shows network settings that looks like this:
{code}
"NetworkSettings": {
"Bridge": "",
"SandboxID":
"ddcbd61e029890244881abccfa7f8c48950c06a5d3ebb3f44077c19052fb0a6a",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"8080/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "32919"
}
]
},
"SandboxKey": "/var/run/docker/netns/ddcbd61e0298",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "",
"Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"MacAddress": "",
"Networks": {
"hadoop": {
"IPAMConfig": null,
"Links": null,
"Aliases": [
"89bd4a438ee4"
],
"NetworkID":
"ed7e1ebae26c91cb9ce4e475b1d9e662ce867c7bacf15090b4c124276d82aa17",
"EndpointID":
"663f1777832f53be0c4206d426b84cd8f2bfebbdf829da5096d4b12cce609335",
"Gateway": "",
"IPAddress": "10.0.0.2",
"IPPrefixLen": 24,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:0a:00:00:02",
"DriverOpts": null
}
}
}
{code}
Running ifconfig inside container looks like this:
{code}
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1450
inet 10.0.0.2 netmask 255.255.255.0 broadcast 0.0.0.0
ether 02:42:0a:00:00:02 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 172.18.0.2 netmask 255.255.0.0 broadcast 0.0.0.0
ether 02:42:ac:12:00:02 txqueuelen 0 (Ethernet)
RX packets 6218 bytes 8770818 (8.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1647 bytes 112657 (110.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 0 (Local Loopback)
RX packets 86 bytes 6883 (6.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 86 bytes 6883 (6.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
{code}
eth0 is docker overlay network (hadoop), and eth1 is bridge network.
> Support multi-homed network for docker container
> ------------------------------------------------
>
> Key: YARN-9003
> URL: https://issues.apache.org/jira/browse/YARN-9003
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Eric Yang
> Assignee: Eric Yang
> Priority: Major
> Labels: docker
> Attachments: YARN-9003.001.patch, YARN-9003.002.patch,
> YARN-9003.003.patch
>
>
> Docker network can be defined as configuration properties - docker.network to
> setup docker container to connect to a specific network in YARN service.
> Docker can run multi-homed network by specifying --net=bridge
> --net=private-net. This is useful to expose small number of front end
> container and ports, while the rest of the infrastructure runs in private
> network. This task is to add support for specifying multiple docker networks
> to YARN service and docker support.
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