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Commit a74306cb authored by Hahn Axel (hahn)'s avatar Hahn Axel (hahn)
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add check "httpd"

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1 merge request!1536588 add couchdb check
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check_couchdb
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......@@ -19,11 +19,12 @@
# 2023-08-28 v0.4 <axel.hahn@unibe.ch> add check "pending"
# 2023-08-28 v0.5 <axel.hahn@unibe.ch> add checks "open_databases" + "open_os_files"
# 2023-08-28 v0.6 <axel.hahn@unibe.ch> add check "httpd_methods"
# 2023-08-29 v0.7 <axel.hahn@unibe.ch> add check "httpd"
# ======================================================================
. $(dirname $0)/inc_pluginfunctions
export self_APPVERSION=0.6
export self_APPVERSION=0.7
cfgfile=/etc/icingaclient/.couchdb
export RESPONSE
......@@ -51,16 +52,24 @@ OPTIONS:
response will be shown
MODE is one of
up show general couchdb status
replication show last replication status
pending show count of pending updates for nodes, dbs and users
httpd Show counters for http request types
httpd_methods Show counters for http request methods
open_databases show number of open databases
open_os_files show number of file descriptors CouchDB has open
httpd_methods Show counters for http request methods
replication show last replication status
pending show count of pending updates for nodes, dbs and users
replication show last replication status
up show general couchdb health status
EXAMPLE:
$_self -m up
Check if couchdb is up and running
Check if couchdb is up and running
$_self -m httpd_methods
Show counters and change rate per sec of GET, POST, and other methods
$_self -c /opt/couchdb/myconfig.sh -m up
Source another config to define COUCH_URL
EOF
}
......@@ -118,35 +127,74 @@ fi
case "${sMode}" in
# ............................................................
"up")
REQ=/_up
abortOnWrongResponse "${REQ}" '"status":"'
"httpd")
REQ=/_node/_local/_stats/couchdb/httpd
abortOnWrongResponse "${REQ}" '"value":'
_status=$( jq '.status' <<< "${RESPONSE}" | tr -d '"')
if ! echo "$_status" | grep "ok" >/dev/null; then
ph.setStatus critical
fi
ph.status "Couchdb :: health status (value 'status' in ${REQ} is '$_status')"
echo "Reponse of ${REQ}: ";
echo "${RESPONSE}" | jq
typeset -i _iValue
typeset -i _iDelta
_status=$( jq 'with_entries(.value |= .value)' <<< "${RESPONSE}" | grep '^ "' | grep -v '\{' | sed 's#[", ]##g' )
# this returns:
# aborted_requests:0
# bulk_requests:0
# requests:185531
# ...
ph.status "Couchdb :: Http request methods"
printf "%30s %10s %10s\n" "Property" "Counter" "Delta" | tr ' ' '_'
for myVar in $( grep "[a-z\_]" <<< "$_status" | cut -f 1 -d ':' )
do
_iValue=$( grep "^${myVar}:" <<< "$_status" | cut -f 2 -d ':' )
_label="couchdb-${myVar//_/-}" # underscrore to minus
_iDelta=$( ph.perfdeltaspeed "${_label}" $_iValue )
printf "%30s %10s %10s per sec\n" "$myVar" $_iValue $_iDelta
ph.perfadd "${myVar}" "$_iDelta" "" ""
done
echo
;;
# ............................................................
"replication")
REQ=/_up
abortOnWrongResponse "${REQ}" '"status":"'
"httpd_methods")
REQ=/_node/_local/_stats/couchdb/httpd_request_methods
abortOnWrongResponse "${REQ}" '"value":'
_status=$( jq '.seeds[] | .last_replication_status' <<< "${RESPONSE}" | grep -v "null" | tr -d '"')
typeset -i _iValue
typeset -i _iDelta
# there can be multiple sections "seeds" and multiple line responses.
# remove all lines with "ok" and check if there is any "bad content" left
_nonok=$( echo "$_status" | grep -v "ok" )
if [ -n "$_nonok" ]; then
ph.setStatus critical
fi
_status=$( jq 'with_entries(.value |= .value)' <<< "${RESPONSE}" | sed 's#[", ]##g' | grep '^[A-Z]' )
# this returns:
# COPY:0
# DELETE:1
# GET:188183
# HEAD:0
# ...
ph.status "Couchdb :: replication (values 'last_replication_status' in ${REQ} are '$_status')"
echo "Reponse: of ${REQ}";
echo "${RESPONSE}" | jq
ph.status "Couchdb :: Http request methods"
printf "%10s %10s %10s\n" "Method" "Counter" "Delta" | tr ' ' '_'
for myVar in $( grep "[A-Z]" <<< "$_status" | cut -f 1 -d ':' )
do
_iValue=$( grep "$myVar" <<< "$_status" | cut -f 2 -d ':' )
_iDelta=$( ph.perfdeltaspeed "couchdb-method-${myVar}" $_iValue)
printf "%10s %10s %10s per sec\n" "$myVar" $_iValue $_iDelta
ph.perfadd "${myVar}" "$_iDelta" "" ""
done
# echo "${_status}" | jq
;;
# ............................................................
"open_databases"|"open_os_files")
REQ=/_node/_local/_stats/couchdb/${sMode}
abortOnWrongResponse "${REQ}" '"value":'
typeset -i _iValue
# descr=$( jq '.desc' <<< "${RESPONSE}" | tr -d '"')
_iValue=$( jq '.value' <<< "${RESPONSE}" )
ph.perfadd "${sMode}" "$_iValue" "" ""
ph.status "Couchdb :: ${sMode} = $_iValue"
# echo "$descr"
# echo "Reponse: of ${REQ}";
# echo "${RESPONSE}" | jq
;;
# ............................................................
"pending")
......@@ -176,40 +224,38 @@ case "${sMode}" in
echo "${RESPONSE}" | jq
;;
# ............................................................
"open_databases"|"open_os_files")
REQ=/_node/_local/_stats/couchdb/${sMode}
abortOnWrongResponse "${REQ}" '"value":'
"replication")
REQ=/_up
abortOnWrongResponse "${REQ}" '"status":"'
# descr=$( jq '.desc' <<< "${RESPONSE}" | tr -d '"')
value=$( jq '.value' <<< "${RESPONSE}" )
ph.perfadd "${sMode}" "$value" "" ""
ph.status "Couchdb :: ${sMode} = $value"
# echo "$descr"
_status=$( jq '.seeds[] | .last_replication_status' <<< "${RESPONSE}" | grep -v "null" | tr -d '"')
# there can be multiple sections "seeds" and multiple line responses.
# remove all lines with "ok" and check if there is any "bad content" left
_nonok=$( echo "$_status" | grep -v "ok" )
if [ -n "$_nonok" ]; then
ph.setStatus critical
fi
ph.status "Couchdb :: replication (values 'last_replication_status' in ${REQ} are '$_status')"
echo "Reponse: of ${REQ}";
echo "${RESPONSE}" | jq
;;
# ............................................................
"httpd_methods")
REQ=/_node/_local/_stats/couchdb/httpd_request_methods
abortOnWrongResponse "${REQ}" '"value":'
"up")
REQ=/_up
abortOnWrongResponse "${REQ}" '"status":"'
_status=$( jq 'with_entries(.value |= .value)' <<< "${RESPONSE}" )
typeset -i _iValue
typeset -i _iDelta
_status=$( jq '.status' <<< "${RESPONSE}" | tr -d '"')
if ! echo "$_status" | grep "ok" >/dev/null; then
ph.setStatus critical
fi
ph.status "Couchdb :: health status"
echo "Reponse of ${REQ}: ";
echo "${RESPONSE}" | jq
;;
ph.status "Couchdb :: Http request methods"
echo " Method Counter Delta"
for myMethod in $( grep "[A-Z]" <<< "$_status" | cut -f 1 -d ':' | tr -d ' ' | tr -d '"')
do
_iValue=$( grep "$myMethod" <<< "$_status" | cut -f 2 -d ':' | tr -d ',' )
_iDelta=$( ph.perfdeltaspeed "couchdb-method-${myMethod}" $_iValue)
printf "%10s %10s %10s per sec\n" "$myMethod" $_iValue $_iDelta
ph.perfadd "${myMethod}" "$_iDelta" "" ""
done
# echo "${_status}" | jq
;;
# ............................................................
*)
echo "ERRROR: [${sMode}] is an INVALID mode"
......
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