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Added possibility to do check based on an hourly schedule

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This commit is contained in:
Patrick Van der Veken
2020-03-04 10:15:48 +01:00
parent 7d575cab86
commit daf50c64cb
3 changed files with 133 additions and 51 deletions
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opt/hc/lib/platform/exadata/check_exadata_zfs_share_replication.sh
+67 -47
View File
@@ -19,9 +19,9 @@
# @(#) MAIN: check_exadata_zfs_share_replication
# DOES: see _show_usage()
# EXPECTS: see _show_usage()
# REQUIRES: data_comma2space(), data_contains_string(), data_get_lvalue_from_config(),
# data_has_newline(), dump_logs(), init_hc(), linux_exec_ssh(),
# log_hc(), warn()
# REQUIRES: data_comma2space(), data_contains_string(), data_expand_numerical_range(),
# data_get_lvalue_from_config(), data_has_newline(), data_is_numeric(),
# dump_logs(), init_hc(), linux_exec_ssh(), log_hc(), warn()
#
# @(#) HISTORY:
# @(#) 2019-02-18: initial version [Patrick Van der Veken]
@@ -31,6 +31,7 @@
# @(#) 2019-05-14: small fixes [Patrick Van der Veken]
# @(#) 2020-01-27: addition of day check option +
# @(#) newline config value check [Patrick Van der Veken]
# @(#) 2020-03-05: addition of hour check option
# -----------------------------------------------------------------------------
# DO NOT CHANGE THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!
#******************************************************************************
@@ -40,7 +41,7 @@ function check_exadata_zfs_share_replication
{
# ------------------------- CONFIGURATION starts here -------------------------
typeset _CONFIG_FILE="${CONFIG_DIR}/$0.conf"
typeset _VERSION="2020-01-27" # YYYY-MM-DD
typeset _VERSION="2020-03-04" # YYYY-MM-DD
typeset _SUPPORTED_PLATFORMS="Linux" # uname -s match
# replication query script -- DO NOT CHANGE --
# prj1/share1:true:idle:success:111
@@ -78,13 +79,16 @@ typeset _CFG_ZFS_HOSTS=""
typeset _CFG_ZFS_HOST=""
typeset _CFG_ZFS_LINE=""
typeset _CFG_REPLICATION_DAYS=""
typeset _CFG_REPLICATION_HOURS=""
typeset _REPLICATION_ENABLED=""
typeset _REPLICATION_HOURS=""
typeset _REPLICATION_LAG=""
typeset _REPLICATION_RESULT=""
typeset _SSH_BIN=""
typeset _SSH_OUTPUT=""
typeset _ZFS_DATA=""
typeset _WEEKDAY=$(data_lc "$(date '+%a' 2>/dev/null)") # Sun
typeset _HOUR=$(data_strip_space "$(date '+%k' 2>/dev/null)") # 7,23 etc
# handle arguments (originally comma-separated)
for _ARG in ${_ARGS}
@@ -215,6 +219,7 @@ do
_CFG_REPLICATION_RESULT=""
_CFG_REPLICATION_LAG=""
_CFG_REPLICATION_DAYS=""
_CFG_REPLICATION_HOURS=""
# which values to use (general or custom?), keep in mind wildcards (custom will overrule wildcard entry)
_CFG_ZFS_LINE=$(grep -E -e "^zfs:${_ZFS_HOST}:[*]:" ${_CONFIG_FILE} 2>/dev/null)
@@ -225,6 +230,7 @@ do
_CFG_REPLICATION_RESULT=$(print "${_CFG_ZFS_LINE}" | cut -f5 -d':' 2>/dev/null)
_CFG_REPLICATION_LAG=$(print "${_CFG_ZFS_LINE}" | cut -f6 -d':' 2>/dev/null)
_CFG_REPLICATION_DAYS=$(print "${_CFG_ZFS_LINE}" | cut -f7 -d':' 2>/dev/null)
_CFG_REPLICATION_HOURS=$(print "${_CFG_ZFS_LINE}" | cut -f8 -d':' 2>/dev/null)
# null value means general threshold
if [[ -z "${_CFG_REPLICATION_LAG}" ]]
then
@@ -247,6 +253,7 @@ do
_CFG_REPLICATION_RESULT=$(print "${_CFG_ZFS_LINE}" | cut -f5 -d':' 2>/dev/null)
_CFG_REPLICATION_LAG=$(print "${_CFG_ZFS_LINE}" | cut -f6 -d':' 2>/dev/null)
_CFG_REPLICATION_DAYS=$(print "${_CFG_ZFS_LINE}" | cut -f7 -d':' 2>/dev/null)
_CFG_REPLICATION_HOURS=$(print "${_CFG_ZFS_LINE}" | cut -f8 -d':' 2>/dev/null)
# null value means general threshold
if [[ -z "${_CFG_REPLICATION_LAG}" ]]
then
@@ -278,63 +285,76 @@ do
[[ -z "${_CFG_REPLICATION_RESULT}" || "${_CFG_REPLICATION_RESULT}" = '*' ]] && _CFG_REPLICATION_RESULT="success"
_CFG_REPLICATION_DAYS=$(data_lc "${_CFG_REPLICATION_DAYS}")
[[ -z "${_CFG_REPLICATION_DAYS}" || "${_CFG_REPLICATION_DAYS}" = '*' ]] && _CFG_REPLICATION_DAYS="${_WEEKDAY}"
if [[ -z "${_CFG_REPLICATION_HOURS}" || "${_CFG_REPLICATION_HOURS}" = '*' ]]
then
_REPLICATION_HOURS="${_HOUR}"
else
_REPLICATION_HOURS=$(data_expand_numerical_range "${_CFG_REPLICATION_HOURS}")
fi
# perform checks
# do we need to perform the check today?
data_contains_string "${_CFG_REPLICATION_DAYS}" "${_WEEKDAY}"
if (( $? > 0 ))
then
# check replication enabled state (active or not?)
if [[ $(data_lc "${_REPLICATION_ENABLED}") != $(data_lc "${_CFG_REPLICATION_ENABLED}") ]]
then
_MSG="state for ${_ZFS_HOST}:${_REPLICATION_NAME} is NOK [${_REPLICATION_ENABLED}!=${_CFG_REPLICATION_ENABLED}]"
_STC=1
else
_MSG="state for ${_ZFS_HOST}:${_REPLICATION_NAME} is OK [${_REPLICATION_ENABLED}==${_CFG_REPLICATION_ENABLED}]"
_STC=0
fi
if (( _LOG_HEALTHY > 0 || _STC > 0 ))
then
log_hc "$0" ${_STC} "${_MSG}" "${_REPLICATION_ENABLED}" "${_CFG_REPLICATION_ENABLED}"
fi
# check replication last result (success or not?)
if [[ $(data_lc "${_REPLICATION_RESULT}") != $(data_lc "${_CFG_REPLICATION_RESULT}") ]]
then
_MSG="result for ${_ZFS_HOST}:${_REPLICATION_NAME} is NOK [${_REPLICATION_RESULT}!=${_CFG_REPLICATION_RESULT}]"
_STC=1
else
_MSG="result for ${_ZFS_HOST}:${_REPLICATION_NAME} is OK [${_REPLICATION_RESULT}==${_CFG_REPLICATION_RESULT}]"
_STC=0
fi
if (( _LOG_HEALTHY > 0 || _STC > 0 ))
then
log_hc "$0" ${_STC} "${_MSG}" "${_REPLICATION_RESULT}" "${_CFG_REPLICATION_RESULT}"
fi
# check replication lag
# caveat: replication lag is <unknown> at initial replication
data_contains_string "${_REPLICATION_LAG}" "unknown"
# shellcheck disable=SC2181
# do we need to perform the check this hour?
data_contains_string "${_REPLICATION_HOURS}" "${_HOUR}"
if (( $? > 0 ))
then
_MSG="lag for ${_ZFS_HOST}:${_REPLICATION_NAME} is unknown"
_REPLICATION_LAG=-1
_STC=1
else
if (( _REPLICATION_LAG > _CFG_REPLICATION_LAG ))
# check replication enabled state (active or not?)
if [[ $(data_lc "${_REPLICATION_ENABLED}") != $(data_lc "${_CFG_REPLICATION_ENABLED}") ]]
then
_MSG="lag for ${_ZFS_HOST}:${_REPLICATION_NAME} is too big [${_REPLICATION_LAG}>${_CFG_REPLICATION_LAG}]"
_MSG="state for ${_ZFS_HOST}:${_REPLICATION_NAME} is NOK [${_REPLICATION_ENABLED}!=${_CFG_REPLICATION_ENABLED}]"
_STC=1
else
_MSG="lag for ${_ZFS_HOST}:${_REPLICATION_NAME} is OK [${_REPLICATION_LAG}<=${_CFG_REPLICATION_LAG}]"
_MSG="state for ${_ZFS_HOST}:${_REPLICATION_NAME} is OK [${_REPLICATION_ENABLED}==${_CFG_REPLICATION_ENABLED}]"
_STC=0
fi
fi
if (( _LOG_HEALTHY > 0 || _STC > 0 ))
then
log_hc "$0" ${_STC} "${_MSG}" "${_REPLICATION_LAG}" "${_CFG_REPLICATION_LAG}"
if (( _LOG_HEALTHY > 0 || _STC > 0 ))
then
log_hc "$0" ${_STC} "${_MSG}" "${_REPLICATION_ENABLED}" "${_CFG_REPLICATION_ENABLED}"
fi
# check replication last result (success or not?)
if [[ $(data_lc "${_REPLICATION_RESULT}") != $(data_lc "${_CFG_REPLICATION_RESULT}") ]]
then
_MSG="result for ${_ZFS_HOST}:${_REPLICATION_NAME} is NOK [${_REPLICATION_RESULT}!=${_CFG_REPLICATION_RESULT}]"
_STC=1
else
_MSG="result for ${_ZFS_HOST}:${_REPLICATION_NAME} is OK [${_REPLICATION_RESULT}==${_CFG_REPLICATION_RESULT}]"
_STC=0
fi
if (( _LOG_HEALTHY > 0 || _STC > 0 ))
then
log_hc "$0" ${_STC} "${_MSG}" "${_REPLICATION_RESULT}" "${_CFG_REPLICATION_RESULT}"
fi
# check replication lag
# caveat: replication lag is <unknown> at initial replication
data_contains_string "${_REPLICATION_LAG}" "unknown"
# shellcheck disable=SC2181
if (( $? > 0 ))
then
_MSG="lag for ${_ZFS_HOST}:${_REPLICATION_NAME} is unknown"
_REPLICATION_LAG=-1
_STC=1
else
if (( _REPLICATION_LAG > _CFG_REPLICATION_LAG ))
then
_MSG="lag for ${_ZFS_HOST}:${_REPLICATION_NAME} is too big [${_REPLICATION_LAG}>${_CFG_REPLICATION_LAG}]"
_STC=1
else
_MSG="lag for ${_ZFS_HOST}:${_REPLICATION_NAME} is OK [${_REPLICATION_LAG}<=${_CFG_REPLICATION_LAG}]"
_STC=0
fi
fi
if (( _LOG_HEALTHY > 0 || _STC > 0 ))
then
log_hc "$0" ${_STC} "${_MSG}" "${_REPLICATION_LAG}" "${_CFG_REPLICATION_LAG}"
fi
else
warn "check of ${_ZFS_HOST}:${_REPLICATION_NAME} is not configured for this hour/these hours: ${_REPLICATION_HOURS}"
fi
else
warn "check of ${_ZFS_HOST}:${_REPLICATION_NAME} was not configured for today"
warn "check of ${_ZFS_HOST}:${_REPLICATION_NAME} is not configured for today"
fi
done
@@ -353,7 +373,7 @@ CONFIG : $3 with parameters:
ssh_key_file=<ssh_private_key_file>
max_replication_lag=<general_max_replication>
and formatted stanzas of:
zfs:<host_name>:<replication_name>:<replication_enabled>:<replication_result>:<max_replication_lag>:<day1,day2>
zfs:<host_name>:<replication_name>:<replication_enabled>:<replication_result>:<max_replication_lag>:<day1,day2>:<start_hour>-<end_hour>
PURPOSE : Checks the replication state, sync status and maximum lag of the configured ZFS hosts/shares on certain days
CLI: zfs > shares > replications > packages > select (action) > show
LOG HEALTHY : Supported