ForgeOps

The amster pod

When you deploy the CDM or the CDK, the amster pod starts and imports AM dynamic configuration. Once dynamic configuration is imported, the amster pod is stopped and remains in Completed status.

$ kubectl get pods
NAME                          READY   STATUS      RESTARTS   AGE
admin-ui-b977c857c-2m9pq      1/1     Running     0          10m
am-666687d69c-94thr           1/1     Running     0          12m
amster-4prdg                  0/1     Completed   0          12m
ds-idrepo-0                   1/1     Running     0          13m
end-user-ui-674c4f79c-h4wgb   1/1     Running     0          10m
idm-869679958c-brb2k          1/1     Running     0          12m
login-ui-56dd46c579-gxrtx     1/1     Running     0          10m

Start the amster pod

After you install AM, use the amster run command to start the amster pod for manually interacting with AM using the amster run command line interface and perform tasks such as exporting and importing AM configuration and troubleshooting:

$ ./bin/amster run
starting…​
Cleaning up amster components
job.batch "amster" deleted
configmap "amster-files" deleted
configmap "amster-retain" deleted
configmap/amster-files created
Deploying amster
job.batch/amster created

Waiting for amster pod to be running. This can take several minutes.
pod/amster-852fj condition met

$ kubectl get pods
NAME                          READY   STATUS    RESTARTS   AGE
admin-ui-b977c857c-2m9pq      1/1     Running   0          22m
am-666687d69c-94thr           1/1     Running   0          24m
amster-852fj                  1/1     Running   0          12s
ds-idrepo-0                   1/1     Running   0          25m
end-user-ui-674c4f79c-h4wgb   1/1     Running   0          22m
idm-869679958c-brb2k          1/1     Running   0          24m
login-ui-56dd46c579-gxrtx     1/1     Running   0          22m

Export and import AM configuration

To export AM configuration, use the amster export command. Similarly, use the amster import command to import AM configuration. At the end of the export or import session, the amster pod is stopped by default. To keep the amster pod running, use the --retain option. You can specify the time (in seconds) to keep the amster running. To keep it running indefinitely, specify --retain infinity.

In the following example, the amster pod is kept running for 300 seconds after completing export:

$ ./bin/amster export --retain 300 /tmp/myexports
Cleaning up amster components
job.batch "amster" deleted
configmap "amster-files" deleted
Packing and uploading configs
configmap/amster-files created
configmap/amster-export-type created
configmap/amster-retain created
Deploying amster
job.batch/amster created

Waiting for amster job to complete. This can take several minutes.
pod/amster-d6vsv condition met
tar: Removing leading `/' from member names
Updating amster config.
Updating amster config complete.
$ kubectl get pods
NAME                          READY   STATUS    RESTARTS   AGE
admin-ui-b977c857c-2m9pq      1/1     Running   0          27m
am-666687d69c-94thr           1/1     Running   0          29m
amster-d6vsv                  1/1     Running   0          53s
ds-idrepo-0                   1/1     Running   0          30m
end-user-ui-674c4f79c-h4wgb   1/1     Running   0          27m
idm-869679958c-brb2k          1/1     Running   0          29m
login-ui-56dd46c579-gxrtx     1/1     Running   0          27m

After 300 seconds notice that the amster pod is in Completed status:

$ kubectl get pods
NAME                          READY   STATUS      RESTARTS   AGE
admin-ui-b977c857c-2m9pq      1/1     Running     0          78m
am-666687d69c-94thr           1/1     Running     0          80m
amster-d6vsv                  0/1     Completed   0          51m
ds-idrepo-0                   1/1     Running     0          81m
end-user-ui-674c4f79c-h4wgb   1/1     Running     0          78m
idm-869679958c-brb2k          1/1     Running     0          80m
login-ui-56dd46c579-gxrtx     1/1     Running     0          78m
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