Specifies the current Cluster-level operation in progress.
'kRefreshConfig' Refreshes xml configs for site files for NoSql App from Gandalf.
'kListConfig' List xml Configs set in site files using GFlag approach.
'kRestartServices' restart App services. e.g yarn, zookeeper etc.
'kSSLImport' Import ssl certificates to App's TrustStore/Keystore.
'kSSLListCertificates' List ssl certificates from Keystore/TrustStore.
'kSSLDeleteCertificate' Delete specific certificates from TrustStore.
'kSSLDeleteStore' Delete trustore/keystore from App.
'kKerberosAddrealm' Add kerberos realm.
'kKerberosDeleteRealm' Delete kerberos realm.
'kKerberosImportKeyTab' Import keytab.