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keepalived+drbd sample
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| #!/bin/bash | |
| EXIT_CODE=0 | |
| STATUS_FILE=/tmp/drbd.status | |
| STATUS=$(sed -e 's/.* state:\(.*\)$/\1/' $STATUS_FILE) | |
| if [ "${STATUS}" != "MASTER" ]; then | |
| echo "current status is ${STATUS}. skip" | |
| exit | |
| fi | |
| DRBD_ROLE_STATUS=$(/sbin/drbdadm role r0 | cut -d '/' -f1) | |
| DRBD_DSTATE_STATUS=$(/sbin/drbdadm dstate r0 | cut -d '/' -f1) | |
| DRBD_CSTATE_STATUS=$(/sbin/drbdadm cstate r0) | |
| [ "${DRBD_ROLE_STATUS}" != "Primary" ] && EXIT_CODE=1 | |
| #[ "${DRBD_DSTATE_STATUS}" != "UpToDate" ] && EXIT_CODE=2 | |
| #[ "${DRBD_CSTATE_STATUS}" != "Connected" ] && EXIT_CODE=3 | |
| echo "$(date +'%Y/%m/%d %H:%M:%S') check_drbd role:${DRBD_ROLE_STATUS} dstate:${DRBD_DSTATE_STATUS} cstate:${DRBD_CSTATE_STATUS} exit:${EXIT_CODE}" >> /tmp/check_drbd.log | |
| exit $EXIT_CODE |
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| #!/bin/bash | |
| TYPE=$1 # “MASTER or BACKUP | |
| DEVICE=/dev/drbd0 | |
| MOUNT_DIR=/drbd | |
| drbd_primary() { | |
| drbdadm primary r0 | |
| mount | grep -q $DEVICE | |
| [ $? = 1 ] && mount -t xfs $DEVICE $MOUNT_DIR | |
| } | |
| drbd_secondary() { | |
| mount | grep -q $DEVICE | |
| [ $? = 0 ] && umount $MOUNT_DIR | |
| drbdadm secondary r0 | |
| } | |
| case $TYPE in | |
| "MASTER") | |
| drbd_primary | |
| exit 0 | |
| ;; | |
| "BACKUP") | |
| drbd_secondary | |
| exit 0 | |
| ;; | |
| *) echo "unknown state" | |
| exit 1 | |
| ;; | |
| esac |
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| #!/bin/bash | |
| TYPE=$1 # “GROUP” or “INSTANCE” | |
| NAME=$2 # name of group or instance | |
| STATE=$3 # target state of transition (“MASTER”, “BACKUP”, “FAULT”) | |
| echo "$(date +'%Y/%m/%d %H:%M:%S') type:${TYPE} name:${NAME} state:${STATE}" > /tmp/drbd.status |
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