diff options
Diffstat (limited to 'cmd/zed/zed.d/scrub.finish-email.sh')
-rwxr-xr-x | cmd/zed/zed.d/scrub.finish-email.sh | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/cmd/zed/zed.d/scrub.finish-email.sh b/cmd/zed/zed.d/scrub.finish-email.sh new file mode 100755 index 000000000..b5ce3f74d --- /dev/null +++ b/cmd/zed/zed.d/scrub.finish-email.sh @@ -0,0 +1,73 @@ +#!/bin/sh +# +# Send email to ZED_EMAIL in response to a RESILVER.FINISH or SCRUB.FINISH. +# By default, "zpool status" output will only be included in the email for +# a scrub.finish zevent if the pool is not healthy; to always include its +# output, set ZED_EMAIL_VERBOSE=1. +# Exit codes: +# 0: email sent +# 1: email failed +# 2: email suppressed +# 3: missing executable +# 4: unsupported event class +# 5: internal error +# +test -f "${ZED_SCRIPT_DIR}/zed.rc" && . "${ZED_SCRIPT_DIR}/zed.rc" + +test -n "${ZEVENT_POOL}" || exit 5 +test -n "${ZEVENT_SUBCLASS}" || exit 5 + +if test "${ZEVENT_SUBCLASS}" = "resilver.finish"; then + ACTION="resilvering" +elif test "${ZEVENT_SUBCLASS}" = "scrub.finish"; then + ACTION="scrubbing" +else + logger -t "${ZED_SYSLOG_TAG:=zed}" \ + -p "${ZED_SYSLOG_PRIORITY:=daemon.warning}" \ + `basename "$0"`: unsupported event class \"${ZEVENT_SUBCLASS}\" + exit 4 +fi + +# Only send email if ZED_EMAIL has been configured. +test -n "${ZED_EMAIL}" || exit 2 + +# Ensure requisite executables are installed. +if ! command -v "${MAIL:=mail}" >/dev/null 2>&1; then + logger -t "${ZED_SYSLOG_TAG:=zed}" \ + -p "${ZED_SYSLOG_PRIORITY:=daemon.warning}" \ + `basename "$0"`: "${MAIL}" not installed + exit 3 +fi +if ! test -x "${ZPOOL}"; then + logger -t "${ZED_SYSLOG_TAG:=zed}" \ + -p "${ZED_SYSLOG_PRIORITY:=daemon.warning}" \ + `basename "$0"`: "${ZPOOL}" not installed + exit 3 +fi + +# For scrub, suppress email if pool is healthy and verbosity is not enabled. +if test "${ZEVENT_SUBCLASS}" = "scrub.finish"; then + HEALTHY=`"${ZPOOL}" status -x "${ZEVENT_POOL}" | \ + grep "'${ZEVENT_POOL}' is healthy"` + test -n "${HEALTHY}" -a "${ZED_EMAIL_VERBOSE:=0}" = 0 && exit 2 +fi + +"${MAIL}" -s "ZFS ${ZEVENT_SUBCLASS} event for ${ZEVENT_POOL} on `hostname`" \ + "${ZED_EMAIL}" <<EOF +A ZFS pool has finished ${ACTION}: + + eid: ${ZEVENT_EID} + host: `hostname` + time: ${ZEVENT_TIME_STRING} +`"${ZPOOL}" status "${ZEVENT_POOL}"` +EOF +MAIL_STATUS=$? + +if test "${MAIL_STATUS}" -ne 0; then + logger -t "${ZED_SYSLOG_TAG:=zed}" \ + -p "${ZED_SYSLOG_PRIORITY:=daemon.warning}" \ + `basename "$0"`: "${MAIL}" exit="${MAIL_STATUS}" + exit 1 +fi + +exit 0 |