Added possibility to do check based on an hourly schedule
This commit is contained in:
Patrick Van der Veken
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7d575cab86
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daf50c64cb
@ -35,14 +35,18 @@ max_replication_lag=300
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# entry must be present: either a wildcard or custom entry.
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# Caveat: any share must finally resolve to one entry only.
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# Format:
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# zfs:<host_name>:<replication_name|*>:<true|false|*>:<success|failed|*>:[<max_replication_lag>]:[day1,day2,..|*>]
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# zfs:<host_name>:<replication_name|*>:<true|false|*>:<success|failed|*>:[<max_replication_lag>]:[day1,day2,..|*>]:[<hour|<start_hour-end_hour>|*>]
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#
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# <day>: 3 letter day name (case insensitive)
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# <hour>: 24 hours notation (start and end hours are inclusive)
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#
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# Examples:
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# check rep_share1 on myzfs1 with a custom threshold of 300 seconds on every day of the week
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# zfs:myzfs1:rep_share1:*:*:600:*
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# check all shares of myzfs2 with a custom threshold of 1200 seconds on Sunday and Monday
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# zfs:myzfs2:*:*:*:1200:Sun,Mon
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# check all shares of myzfs3 with the general threshold but only on Friday
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# zfs:myzfs3:*:*:*:Fri
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# check all shares of myzfs3 with the general threshold but only on Friday between 7am-10m
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# zfs:myzfs3:*:*:*:Fri:07-10
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# disable all shares of myzfs4 from checking
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# zfs:myzfs4:*:*:*:0:*
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# disable check of rep_share7 on myzfs5
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@ -30,7 +30,7 @@
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# RETURNS: 0
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function version_include_data
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{
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typeset _VERSION="2020-01-27" # YYYY-MM-DD
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typeset _VERSION="2020-03-04" # YYYY-MM-DD
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print "INFO: $0: ${_VERSION#version_*}"
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@ -613,6 +613,64 @@ esac
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return 0
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}
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# -----------------------------------------------------------------------------
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# @(#) FUNCTION: data_expand_numerical_range()
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# DOES: expand numerical range (X-Y) to comma-separated list of numbers
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# EXPECTS: [string]
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# OUTPUTS: [string]
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# RETURNS: 0=no error occurred; <>0=some error occurred
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# REQUIRES: n/a
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function data_expand_numerical_range
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{
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(( ARG_DEBUG > 0 && ARG_DEBUG_LEVEL > 0 )) && set "${DEBUG_OPTS}"
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typeset _NUM_LIST=""
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case "${1}" in
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*-*)
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# range operator, expand
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# check if there are only 2 operands (fields)
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if (( $(print "${1}" | awk -F '-' '{ print NF }' 2>/dev/null) > 2 ))
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then
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(( ARG_DEBUG > 0 )) && debug "in range $1 found more than one range (-) operator"
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return 1
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fi
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# check if X < Y
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if $(print "${1}" | awk -F '-' '{ if ($1 < $2) { exit 1 }}' 2>/dev/null)
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then
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(( ARG_DEBUG > 0 )) && debug "in range $1 operator Y is smaller or equal to operator Y"
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return 1
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fi
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# expand list
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_NUM_LIST=$(print "${1}"| awk -F '-' '
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BEGIN { count = 0; }
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{
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while ($1 + count < $2) {
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if (length (NUM_LIST) == 0) {
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NUM_LIST = sprintf ("%s", $1 + count);
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} else {
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NUM_LIST = sprintf ("%s,%s", NUM_LIST, $1 + count);
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}
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count++;
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}
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}
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END { print NUM_LIST; }')
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if [[ -z "${_NUM_LIST}" ]]
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then
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(( ARG_DEBUG > 0 )) && debug "range conversion returned empty list"
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return 1
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else
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print "${_NUM_LIST}"
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fi
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;;
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*)
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# no range, return as-is
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print "${1}"
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;;
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esac
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return 0
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}
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# -----------------------------------------------------------------------------
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# @(#) FUNCTION: data_encode_url
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# DOES: encode URL data
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@ -19,9 +19,9 @@
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# @(#) MAIN: check_exadata_zfs_share_replication
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# DOES: see _show_usage()
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# EXPECTS: see _show_usage()
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# REQUIRES: data_comma2space(), data_contains_string(), data_get_lvalue_from_config(),
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# data_has_newline(), dump_logs(), init_hc(), linux_exec_ssh(),
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# log_hc(), warn()
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# REQUIRES: data_comma2space(), data_contains_string(), data_expand_numerical_range(),
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# data_get_lvalue_from_config(), data_has_newline(), data_is_numeric(),
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# dump_logs(), init_hc(), linux_exec_ssh(), log_hc(), warn()
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#
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# @(#) HISTORY:
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# @(#) 2019-02-18: initial version [Patrick Van der Veken]
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@ -31,6 +31,7 @@
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# @(#) 2019-05-14: small fixes [Patrick Van der Veken]
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# @(#) 2020-01-27: addition of day check option +
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# @(#) newline config value check [Patrick Van der Veken]
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# @(#) 2020-03-05: addition of hour check option
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# -----------------------------------------------------------------------------
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# DO NOT CHANGE THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!
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#******************************************************************************
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@ -40,7 +41,7 @@ function check_exadata_zfs_share_replication
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{
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# ------------------------- CONFIGURATION starts here -------------------------
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typeset _CONFIG_FILE="${CONFIG_DIR}/$0.conf"
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typeset _VERSION="2020-01-27" # YYYY-MM-DD
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typeset _VERSION="2020-03-04" # YYYY-MM-DD
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typeset _SUPPORTED_PLATFORMS="Linux" # uname -s match
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# replication query script -- DO NOT CHANGE --
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# prj1/share1:true:idle:success:111
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@ -78,13 +79,16 @@ typeset _CFG_ZFS_HOSTS=""
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typeset _CFG_ZFS_HOST=""
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typeset _CFG_ZFS_LINE=""
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typeset _CFG_REPLICATION_DAYS=""
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typeset _CFG_REPLICATION_HOURS=""
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typeset _REPLICATION_ENABLED=""
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typeset _REPLICATION_HOURS=""
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typeset _REPLICATION_LAG=""
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typeset _REPLICATION_RESULT=""
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typeset _SSH_BIN=""
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typeset _SSH_OUTPUT=""
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typeset _ZFS_DATA=""
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typeset _WEEKDAY=$(data_lc "$(date '+%a' 2>/dev/null)") # Sun
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typeset _HOUR=$(data_strip_space "$(date '+%k' 2>/dev/null)") # 7,23 etc
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# handle arguments (originally comma-separated)
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for _ARG in ${_ARGS}
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@ -215,6 +219,7 @@ do
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_CFG_REPLICATION_RESULT=""
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_CFG_REPLICATION_LAG=""
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_CFG_REPLICATION_DAYS=""
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_CFG_REPLICATION_HOURS=""
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# which values to use (general or custom?), keep in mind wildcards (custom will overrule wildcard entry)
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_CFG_ZFS_LINE=$(grep -E -e "^zfs:${_ZFS_HOST}:[*]:" ${_CONFIG_FILE} 2>/dev/null)
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@ -225,6 +230,7 @@ do
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_CFG_REPLICATION_RESULT=$(print "${_CFG_ZFS_LINE}" | cut -f5 -d':' 2>/dev/null)
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_CFG_REPLICATION_LAG=$(print "${_CFG_ZFS_LINE}" | cut -f6 -d':' 2>/dev/null)
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_CFG_REPLICATION_DAYS=$(print "${_CFG_ZFS_LINE}" | cut -f7 -d':' 2>/dev/null)
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_CFG_REPLICATION_HOURS=$(print "${_CFG_ZFS_LINE}" | cut -f8 -d':' 2>/dev/null)
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# null value means general threshold
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if [[ -z "${_CFG_REPLICATION_LAG}" ]]
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then
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@ -247,6 +253,7 @@ do
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_CFG_REPLICATION_RESULT=$(print "${_CFG_ZFS_LINE}" | cut -f5 -d':' 2>/dev/null)
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_CFG_REPLICATION_LAG=$(print "${_CFG_ZFS_LINE}" | cut -f6 -d':' 2>/dev/null)
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_CFG_REPLICATION_DAYS=$(print "${_CFG_ZFS_LINE}" | cut -f7 -d':' 2>/dev/null)
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_CFG_REPLICATION_HOURS=$(print "${_CFG_ZFS_LINE}" | cut -f8 -d':' 2>/dev/null)
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# null value means general threshold
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if [[ -z "${_CFG_REPLICATION_LAG}" ]]
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then
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@ -278,11 +285,21 @@ do
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[[ -z "${_CFG_REPLICATION_RESULT}" || "${_CFG_REPLICATION_RESULT}" = '*' ]] && _CFG_REPLICATION_RESULT="success"
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_CFG_REPLICATION_DAYS=$(data_lc "${_CFG_REPLICATION_DAYS}")
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[[ -z "${_CFG_REPLICATION_DAYS}" || "${_CFG_REPLICATION_DAYS}" = '*' ]] && _CFG_REPLICATION_DAYS="${_WEEKDAY}"
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if [[ -z "${_CFG_REPLICATION_HOURS}" || "${_CFG_REPLICATION_HOURS}" = '*' ]]
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then
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_REPLICATION_HOURS="${_HOUR}"
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else
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_REPLICATION_HOURS=$(data_expand_numerical_range "${_CFG_REPLICATION_HOURS}")
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fi
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# perform checks
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# do we need to perform the check today?
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data_contains_string "${_CFG_REPLICATION_DAYS}" "${_WEEKDAY}"
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if (( $? > 0 ))
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then
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# do we need to perform the check this hour?
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data_contains_string "${_REPLICATION_HOURS}" "${_HOUR}"
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if (( $? > 0 ))
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then
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# check replication enabled state (active or not?)
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if [[ $(data_lc "${_REPLICATION_ENABLED}") != $(data_lc "${_CFG_REPLICATION_ENABLED}") ]]
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@ -334,7 +351,10 @@ do
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log_hc "$0" ${_STC} "${_MSG}" "${_REPLICATION_LAG}" "${_CFG_REPLICATION_LAG}"
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fi
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else
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warn "check of ${_ZFS_HOST}:${_REPLICATION_NAME} was not configured for today"
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warn "check of ${_ZFS_HOST}:${_REPLICATION_NAME} is not configured for this hour/these hours: ${_REPLICATION_HOURS}"
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fi
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else
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warn "check of ${_ZFS_HOST}:${_REPLICATION_NAME} is not configured for today"
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fi
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done
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@ -353,7 +373,7 @@ CONFIG : $3 with parameters:
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ssh_key_file=<ssh_private_key_file>
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max_replication_lag=<general_max_replication>
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and formatted stanzas of:
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zfs:<host_name>:<replication_name>:<replication_enabled>:<replication_result>:<max_replication_lag>:<day1,day2>
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zfs:<host_name>:<replication_name>:<replication_enabled>:<replication_result>:<max_replication_lag>:<day1,day2>:<start_hour>-<end_hour>
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PURPOSE : Checks the replication state, sync status and maximum lag of the configured ZFS hosts/shares on certain days
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CLI: zfs > shares > replications > packages > select (action) > show
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LOG HEALTHY : Supported
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