[ 
https://issues.apache.org/jira/browse/YARN-8986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16695628#comment-16695628
 ] 

Xun Liu edited comment on YARN-8986 at 11/22/18 7:49 AM:
---------------------------------------------------------

hi, [~Charo Zhang], [~eyang]
{code:java}
+    if (strcasecmp(network_type, "bridge") != 0) {
+      ret = 0;
+      goto cleanup;
+    }{code}
Not a bridge network, should it be able to perform port mapping as well?
 We now use docker to create a parallel network via calico.
 In the Hadoop submarine project, we still need to expose the services in the 
container (for example: tensorboard, zeppelin, etc.).


was (Author: liuxun323):
hi, [~Charo Zhang], [~eyang]
{code:java}
+ if (network_name != NULL) {
+    char *docker_network_command = make_string("%s network inspect %s 
--format='{{.Driver}}'", docker_binary, network_name);
+    FILE* docker_network = popen(docker_network_command, "r");
+    ret = fscanf(docker_network, "%s", network_type);
+    if (pclose (docker_network) != 0 || ret <= 0) {
+      fprintf (ERRORFILE, "Could not inspect docker network to get type 
%s.\n", docker_network_command);
+      goto cleanup;
+    }
+    // other network type exit successfully without ports mapping
+    if (strcasecmp(network_type, "bridge") != 0) {
+      ret = 0;
+      goto cleanup;
+    }
+ }{code}
Not a bridge network, should it be able to perform port mapping as well?
We now use docker to create a parallel network via calico.
In the Hadoop submarine project, we still need to expose the services in the 
container (for example: tensorboard, zeppelin, etc.).

> publish all exposed ports to random ports when using bridge network
> -------------------------------------------------------------------
>
>                 Key: YARN-8986
>                 URL: https://issues.apache.org/jira/browse/YARN-8986
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn
>    Affects Versions: 3.1.1
>            Reporter: Charo Zhang
>            Assignee: Charo Zhang
>            Priority: Minor
>              Labels: Docker
>         Attachments: YARN-8986.001.patch, YARN-8986.002.patch, 
> YARN-8986.003.patch, YARN-8986.004.patch, YARN-8986.005.patch, 
> YARN-8986.006.patch, YARN-8986.007.patch, YARN-8986.008.patch
>
>
> it's better to publish all exposed ports to random ports(-P) or support port 
> mapping(-p) for bridge network when using bridge network for docker container.
>  



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