cmd/zed/zed.d/data-notify.sh

   1 #!/bin/sh
   2 # shellcheck disable=SC2154
   3 #
   4 # Send notification in response to a DATA error.
   5 #
   6 # Only one notification per ZED_NOTIFY_INTERVAL_SECS will be sent for a given
   7 # class/pool/[vdev] combination.  This protects against spamming the recipient
   8 # should multiple events occur together in time for the same pool/[vdev].
   9 #
  10 # Exit codes:
  11 #   0: notification sent
  12 #   1: notification failed
  13 #   2: notification not configured
  14 #   3: notification suppressed
  15 #   9: internal error
  16
  17 [ -f "${ZED_ZEDLET_DIR}/zed.rc" ] && . "${ZED_ZEDLET_DIR}/zed.rc"
  18 . "${ZED_ZEDLET_DIR}/zed-functions.sh"
  19
  20 [ -n "${ZEVENT_POOL}" ] || exit 9
  21 [ -n "${ZEVENT_SUBCLASS}" ] || exit 9
  22 [ -n "${ZED_NOTIFY_DATA}" ] || exit 3
  23
  24 rate_limit_tag="${ZEVENT_POOL};${ZEVENT_VDEV_GUID:-0};${ZEVENT_SUBCLASS};notify"
  25 zed_rate_limit "${rate_limit_tag}" || exit 3
  26
  27 umask 077
  28 note_subject="ZFS ${ZEVENT_SUBCLASS} error for ${ZEVENT_POOL} on $(hostname)"
  29 note_pathname="$(mktemp)"
  30 {
  31     echo "ZFS has detected a data error:"
  32     echo
  33     echo "   eid: ${ZEVENT_EID}"
  34     echo " class: ${ZEVENT_SUBCLASS}"
  35     echo "  host: $(hostname)"
  36     echo "  time: ${ZEVENT_TIME_STRING}"
  37     echo " error: ${ZEVENT_ZIO_ERR}"
  38     echo " objid: ${ZEVENT_ZIO_OBJSET}:${ZEVENT_ZIO_OBJECT}"
  39     echo "  pool: ${ZEVENT_POOL}"
  40 } > "${note_pathname}"
  41
  42 zed_notify "${note_subject}" "${note_pathname}"; rv=$?
  43 rm -f "${note_pathname}"
  44 exit "${rv}"