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b5979: Cleanup method to clear caches on shutdown.

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This commit is contained in:
Thomas Stokes
2024-03-15 10:14:38 +01:00
parent 3e4adfcf62
commit 9a2616da0c
1 changed files with 14 additions and 8 deletions
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configuration/environments_scripts/reverse_proxy/files/var/www/cgi-bin/reverseProxyHealthcheck.sh
+14 -8
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@@ -20,13 +20,6 @@ convert_ip_to_num() {
IFS=. read -r a b c d <<< "$1"
echo "$(( ( $a << 24 ) + ( $b << 16 ) + ($c << 8 ) + ($d) ))"
}
SELF_IP=$( ec2-metadata --local-ipv4 | grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\>")
curl --silent --location --fail "http://${SELF_IP}/internal-server-status" >/dev/null
if [[ "$?" -ne 0 ]]; then
status "500 Reverse proxy itself is unhealthy"
outputMessage "Reverse proxy is unhealthy"
exit 0
fi
# The names of the variables in the macros file.
ARCHIVE_IP_NAME="ARCHIVE_IP"
ARCHIVE_FAILOVER_IP_NAME="ARCHIVE_FAILOVER_IP"
@@ -37,6 +30,19 @@ IP_REGEX="[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+$"
# Extracts which IP is in production.
PRODUCTION_IP=$(sed -n -e "s/^Define ${PRODUCTION_IP_NAME}\> \(.*\)$/\1/p" ${MACROS_PATH})
SUBNET_MASK_SIZE_VAR_LOCATION="/var/cache/httpd/subnetMaskSize"
if [[ "$1" == "cleanup" ]]; then
rm -f $SUBNET_MASK_SIZE_VAR_LOCATION
status "200"
outputMessage "cleanup complete"
exit 0
fi
SELF_IP=$( ec2-metadata --local-ipv4 | grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\>")
curl --silent --location --fail "http://${SELF_IP}/internal-server-status" >/dev/null
if [[ "$?" -ne 0 ]]; then
status "500 Reverse proxy itself is unhealthy"
outputMessage "Reverse proxy is unhealthy"
exit 0
fi
if [[ ! -e "$SUBNET_MASK_SIZE_VAR_LOCATION" ]]; then
# Get subnet mask size
MY_AZ=$( ec2-metadata --availability-zone | grep -o "[a-zA-Z]\+-[a-zA-Z]\+-[0-9a-z]\+\>")
@@ -57,7 +63,7 @@ then
# Extract the actual IP of the archive
ARCHIVE_IP=$(grep -m 1 "^Define ${ARCHIVE_IP_NAME}\> .*" ${MACROS_PATH} | grep -o "${IP_REGEX}")
ARCHIVE_IP_VALUE=$(convert_ip_to_num "$ARCHIVE_IP")
ARCHIVE_SUBNET_VALUE=$(($BITMASK_VALUE & $ARCHIVE_IP_VALUE )) #A Aply the mask to the archive IP value.
ARCHIVE_SUBNET_VALUE=$(($BITMASK_VALUE & $ARCHIVE_IP_VALUE )) #Apply the mask to the archive IP value.
if [[ "$ARCHIVE_SUBNET_VALUE" -eq "$MY_SUBNET_VALUE" ]]; then
status "200"
outputMessage "Healthy: in the same az as the archive"