From 84b4fb0541b2d96ac20e8935564111d441b36fd3 Mon Sep 17 00:00:00 2001
From: "Hahn Axel (hahn)" <axel.hahn@unibe.ch>
Date: Tue, 5 Sep 2023 19:32:21 +0200
Subject: [PATCH] add params -m, -l, -j
---
check_http | 65 ++++++++++++++++++++++++++++++++----------------------
1 file changed, 39 insertions(+), 26 deletions(-)
diff --git a/check_http b/check_http
index 043924a..2b45835 100755
--- a/check_http
+++ b/check_http
@@ -22,7 +22,10 @@ function showHelp(){
cat <<EOF
$( ph.showImlHelpHeader )
-TODO
+Makes an http request to chewck the response by
+- http status code
+- content in http response header
+- content in http response body
SYNTAX:
$_self [-h] ...
@@ -31,32 +34,29 @@ OPTIONS:
-h this help
+PARAMETERS:
+
+ Define request:
-u URL Set url to fetch
+ -m METHOD Set a method, eg. HEAD; default: GET
+
+ What to check:
-s STATUSCODE Statuscode to ceck
-r REGEX String to check in http response header
+ -j JQ-FILTER for JSON Response: filter data by a jq
-b REGEX String to check in response body
- TODO
- -m METHOD
- -j JQ-FILTER
+ Output:
+ -l LABEL set a custom label; default: METHOD + URL eg.
+ "GET https://example.com/status"
EXAMPLES:
- $_self -u
+ $_self ...
EOF
}
-function getHeader(){
- set -vx
- echo "$1" | sed -n "1,${2}p"
-}
-
-function getHeader(){
- set -vx
- echo "$1" | sed -n "1,${2}p"
-}
-
# ----------------------------------------------------------------------
# MAIN
# ----------------------------------------------------------------------
@@ -71,9 +71,14 @@ fi
ph.require "curl"
sUrl=$( ph.getValueWithParam '' u "$@")
+sMethod=$( ph.getValueWithParam 'GET' m "$@" | tr [:lower:] [:upper:])
+
iStatus=$( ph.getValueWithParam '200' s "$@")
sHeader=$( ph.getValueWithParam '' r "$@")
sBody=$( ph.getValueWithParam '' b "$@")
+sJq=$( ph.getValueWithParam '' j "$@")
+sLabel=$( ph.getValueWithParam "$sMethod $sUrl" l "$@")
+
curlParams="-si"
sProblems=
@@ -85,8 +90,7 @@ if [ -z "$sUrl" ]; then
ph.exit
fi
-test -z "$sBody" && curlParams+=" -I"
-
+# test -z "$sBody" && curlParams+=" -I"
out=$( curl $curlParams "$sUrl" )
@@ -97,6 +101,10 @@ iHeaderEnd=$( echo "$out" | grep -n ^$'\r' | cut -f 1 -d ':')
_header=$(echo "$out" | sed -n "1,${iHeaderEnd}p")
_body=$( echo "$out" | sed -n "${iHeaderEnd},\$p")
+if [ -n "$sJq" ]; then
+ _body=$( jq "$sJq" <<< "$_body" 2>/dev/null )
+fi
+
# echo "HEADER"; echo "$_header"
# echo "BODY"; echo "$_body"
@@ -105,15 +113,15 @@ _body=$( echo "$out" | sed -n "${iHeaderEnd},\$p")
if [ -n "$iStatus" ]; then
if ! grep -i "^HTTP/[0-9\.]* ${iStatus}" <<< "${_header}" >/dev/null; then
ph.setStatus critical
- sProblems+="- Statuscode is not [${iStatus}];\n"
+ sProblems+="- Http status is not [${iStatus}];\n"
else
- sOK+="- Statuscode is [${iStatus}];\n"
+ sOK+="- Http status is [${iStatus}];\n"
fi
fi
-
+# --- search in http response header
if [ -n "$sHeader" ]; then
- if ! grep -i "$sHeader" <<< "${_header}" >/dev/null; then
+ if ! grep -iE "$sHeader" <<< "${_header}" >/dev/null; then
ph.setStatus critical
sProblems+="- Header does not contain [${sHeader}];\n"
else
@@ -122,8 +130,9 @@ if [ -n "$sHeader" ]; then
fi
+# --- search in http response body
if [ -n "$sBody" ]; then
- if ! grep -i "$sBody" <<< "${_body}" >/dev/null; then
+ if ! grep -iE "$sBody" <<< "${_body}" >/dev/null; then
ph.setStatus critical
sProblems+="- Body does not contain [${sBody}];\n"
else
@@ -132,16 +141,20 @@ if [ -n "$sBody" ]; then
fi
-
+# --- output
test -n "$sProblems" && sProblems="Problems:\n$sProblems\n"
test -n "$sOK" && sOK="Found:\n$sOK"
-ph.status "Url ${sUrl}"
+ph.status "$sLabel"
+
+if [ "$sLabel" != "$sMethod $sUrl" ]; then
+ echo "$sMethod $sUrl"
+fi
echo
echo -e "${sProblems}${sOK}"
-echo
-# echo "HEADER:"; echo "$_header"
+echo "HEADER:"; echo; echo "$_header"
+echo -n "Eapsed time: "; ph.showtimer
ph.exit
--
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