Managing Containers
Starting a Container
To start a container:
Command:
gs.{sh/bat} container start <host>
Description:
This commands starts a container.
Input Example:
<GS_HOME>/bin/gs container start myHost
<GS_HOME>/bin/gs.sh container start myHost
Parameters and Options:
| Item | Name | Description |
|---|---|---|
| Parameter | host | Provide the name of the host where the container should be started. |
| Option | —memory:<memory> | Define the maximum amount of JVM Java Virtual Machine. A virtual machine that enables a computer to run Java programs as well as programs written in other languages that are also compiled to Java bytecode. memory for the new container. |
| Option | —zone=<zone name> | Define the zone where the new container should be started. |
| Option | —property=<String=String> | Provide additional system properties. |
Path
POST /containers
Description:
This option starts a container.
Example Request:
curl -X POST --header 'Content-Type: application/json' --header 'Accept: text/plain' -d '{ \
"host": "myHost", \
"memory": "12g", \
"zone": "green", \
}' 'http://localhost:8090/v2/containers'
Options:
| Option | Description | Required |
|---|---|---|
| memory | Define the maximum amount of JVM memory for the new container. | No |
| zone | Define the zone where the new container should be started. | No |
| vmArguments | Provide additional system properties. |
- In the Hosts view, click the Actions icon for the Grid Service Agent where you want to start a container.
-
Select the relevant option:
- StartGSM - to start a Grid Service Manager
- StartGSC - to start a Grid Service Container
- Start Lookup - to start a Lookup Service (LUS Lookup Service.
This service provides a mechanism for services to discover each other. Each service can query the lookup service for other services, and register itself in the lookup service so other services may find it.)
The container is started.
If you try to start a global container that is already running under this Grid Service Agent, you get a notification message and the container isn't started.
Refer to the Admin API topics in the Developer Guide.
Terminating a Container
To terminate a container:
Command:
xgs.{sh/bat} container kill <container ID>
Description:
This command stops (terminates) the specified container.
Input Example:
<GS_HOME>/bin/gs container kill admin~22200
<GS_HOME>/bin/gs.sh container kill admin~22200
Parameters and Options:
| Item | Name | Description |
|---|---|---|
| Parameter | container ID | ID of the container to be terminated. |
| Option | zones | Specify the zone(s) where the container should be terminated. |
Path
DELETE /containers/{id}
Description:
This option stops (terminates) the specified container.
Example Request:
curl -X DELETE --header 'Accept: text/plain' 'http://localhost:8090/v2/containers/admin~13972'
Options:
| Option | Description | Required |
|---|---|---|
| containerId | ID of the container to be terminated. | Yes |
- In the Hosts view, expand the tree.
- In the row with the required container, click the Actions icon and select Terminate from the menu.
- Click Yes in the confirmation message.
- Click OK.
The container is terminated. The Host view and the status bar at the bottom of the window are updated.
If you terminated a global container, it is started again with a new name.
Refer to the Admin API topics in the Developer Guide.
Restarting a Container
To restart a container:
Command:
gs.{sh/bat} container restart <container ID>
Description:
This command restarts the specified container.
Input Example:
<GS_HOME>/bin/gs container restart admin~11100
<GS_HOME>/bin/gs.sh container restart admin~11100
Parameters and Options:
| Item | Name | Description |
|---|---|---|
| Parameter | container ID | ID of the container to be restarted. |
Path
DELETE /containers/{id}/restart
Description:
This option restarts the specified container.
Example Request:
curl -X POST --header 'Content-Type: application/json' --header 'Accept: text/plain' 'http://localhost:8090/v2/containers/admin~13972/restart'
Options:
| Option | Description | Required |
|---|---|---|
| containerId | ID of the container to be restarted. | Yes |
- In the Hosts view, expand the tree.
- In the row with the required container, click the Actions icon and select Restart from the menu.
- Click Yes in the confirmation message.
- Click OK.
The container is terminated and restarted with the same name. The Host view and the status bar at the bottom of the window are updated during the restart progress.
Refer to the Admin API topics in the Developer Guide.
Creating a Container
This functionality is only available with the Command Line Interface.
To create a container:
Command:
gs.{sh/bat} container create <container ID>
Description:
This command creates the specified container.
Input Example:
<GS_HOME>/bin/gs container create admin~11100
<GS_HOME>/bin/gs.sh container create admin~11100
Parameters and Options:
| Item | Name | Description |
|---|---|---|
| Parameter | container ID | ID of the container to be created. |
| Option | count | Number of containers to be created. |