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check wsrep_cluster_status (for WSREP not prepared for application use) #34

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check wsrep_cluster_status (for WSREP not prepared for application use) #34

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16 changes: 16 additions & 0 deletions clustercheck
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,22 @@ fi
#
WSREP_STATUS=$($MYSQL_CMDLINE -e "SHOW STATUS LIKE 'wsrep_local_state';" \
2>${ERR_FILE} | tail -1 2>>${ERR_FILE})
WSREP_CLUSTER_STATUS=$($MYSQL_CMDLINE -e "SHOW STATUS LIKE 'wsrep_cluster_status';" \
2>${ERR_FILE} | tail -1 2>>${ERR_FILE})

if [[ "${WSREP_CLUSTER_STATUS}" != "Primary" ]]
then
# Percona XtraDB Cluster node local state is not 'Synced' => return HTTP 503
# Shell return-code is 1
echo -en "HTTP/1.1 503 Service Unavailable\r\n"
echo -en "Content-Type: text/plain\r\n"
echo -en "Connection: close\r\n"
echo -en "Content-Length: 44\r\n"
echo -en "\r\n"
echo -en "Percona XtraDB Cluster status Non primary.\r\n"
sleep 0.1
exit 1;
fi

if [[ "${WSREP_STATUS}" == "4" ]] || [[ "${WSREP_STATUS}" == "2" && ${AVAILABLE_WHEN_DONOR} == 1 ]]
then
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