ibm-cloud - 如何确定配置更改后要重启哪些服务？

Question

我需要使用 Ambari API 对我的集群进行一些更改。进行更改后，我使用以下代码重新启动所有服务：

echo "stop and Start Services"

curl -k -v --user $AMBARI_USER:$AMBARI_PASSWORD -H "X-Requested-By: ambari" -i -X PUT -d '{"RequestInfo": {"context": "Stop All Services via REST"}, "ServiceInfo": {"state":"INSTALLED"}}' https://$AMBARI_HOST:$AMBARI_PORT/api/v1/clusters/$CLUSTER_NAME/services

sleep 200

curl -k -v --user $AMBARI_USER:$AMBARI_PASSWORD -H "X-Requested-By: ambari" -i -X PUT -d '{"RequestInfo": {"context": "Start All Services via REST"}, "ServiceInfo":{"state":"STARTED"}}' https://$AMBARI_HOST:$AMBARI_PORT/api/v1/clusters/$CLUSTER_NAME/services

sleep 700

这似乎是非常重量级的。有没有办法只重启需要重启的服务？

Answer 1

一种选择是使用它来仅重新启动由于重新配置而需要重新启动的服务：

curl -v --user $AMBARI_USER:$AMBARI_PASSWORD -H "X-Requested-By: ambari" -i -X POST -d '{ "RequestInfo": {"command": "RESTART","context": "Restart all required services","operation_level": "host_component"}, "Requests/resource_filters": [{"hosts_predicate": "HostRoles/stale_configs=true" }] }' https://$AMBARI_HOST:$AMBARI_PORT/api/v1/clusters/$CLUSTER_NAME/requests

要检查上述命令的状态：

curl -v --user $AMBARI_USER:$AMBARI_PASSWORD -H "X-Requested-By: ambari" -X GET https://$AMBARI_HOST:$AMBARI_PORT/api/v1/clusters/$CLUSTER_NAME/requests/132