AMBARI-20961. RBAC: Service Operator/Administrator Role don't have HOST.ADD_DELETE_COMPONENTS permission so we 'd better hide relevant buttons on Web UI. (Yao Lei via yusaku)
AMBARI-20961. RBAC: Service Operator/Administrator Role don't have HOST.ADD_DELETE_COMPONENTS permission so we 'd better hide relevant buttons on Web UI. (Yao Lei via yusaku)

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