recipe_gentoo/recipes/recipe_check_dns_config.sh

104 lines
2.8 KiB
Bash
Raw Normal View History

print_config_title 'CHECK DNS CONFIG'
2019-03-24 15:56:17 +01:00
# Test resolver
for name_to_resolv in ${NAMES_TO_RESOLV_AND_PING[@]};
do
echo -e "Check resolve ${BLUE}${name_to_resolv}${NC}"
# Check if name is resolved
# We use nslookup because return code can be used in our case
nslookup ${name_to_resolv} &>/dev/null
# Return Code
RC=$?
# Resolving failed
if [ $RC -ne 0 ]
then
RESOLV_FAILED="${RESOLV_FAILED} ${name_to_resolv}"
echo -e "${RED}Resolve ${name_to_resolv} FAILED : check KO${NC}\n"
# Resolving succeded
else
echo -e "${GREEN}Resolve ${name_to_resolv} SUCCEDED : check OK${NC}\n"
fi
done
# Check /etc/resolv.conf
for resolver in ${RESOLVERS[@]}
do
echo -e "Check in /etc/resolv.conf if this name server is present : ${BLUE}${resolver}${NC}"
# Check /etc/resolv.conf
grep -qi "^nameserver[[:space:]]*${resolver}[[:space:]]*$" /etc/resolv.conf
# Return Code
RC=$?
# Resolver is NOT in the file
if [ $RC -ne 0 ]
then
RESOLVER_NOT_IN_ETC_RESOLVCONF="${RESOLVER_NOT_IN_ETC_RESOLVCONF} ${resolver}"
echo -e "${RED}${resolver} is NOT in /etc/resolv.conf : check KO${NC}\n"
# Resolver is in the file
else
echo -e "${GREEN}${resolver} is in /etc/resolv.conf : check OK${NC}\n"
fi
done
# Check if IP recorded in DNS
for ip in ${LOCALES_IP_WITHOUT_LOOPBACK[@]}
do
echo -e "Check if IP is recorded in DNS : ${BLUE}${ip}${NC}"
# Check /etc/resolv.conf
nslookup ${ip} &>/dev/null
# Return Code
RC=$?
# IP NOT recorded in DNS
if [ $RC -ne 0 ]
then
IP_NOT_RECORDED_IN_DNS="${IP_NOT_RECORDED_IN_DNS} ${ip}"
2019-06-15 17:15:10 +02:00
echo -e "${RED}${ip} is NOT recorded in DNS : check KO${NC}\n"
2019-03-24 15:56:17 +01:00
# IP recorded in DNS
else
echo -e "${GREEN}${ip} is recorded in DNS : check OK${NC}\n"
fi
done
2019-06-15 17:15:10 +02:00
# Check if hostname recorded in DNS (A and AAAA records)
echo -e "Check if hostname is recorded in DNS : ${BLUE}A and AAAA records${NC}"
# Check if record A is set in DNS for hostname
nslookup -querytype=A $(hostname) &>/dev/null
# Return Code
RC=$?
# If no 'A' DNS record for hostname
if [ $RC -ne 0 ]
then
HOSTNAME_A_RECORD_NOT_IN_DNS=1
echo -e "${RED}Hostname is NOT recorded in DNS (A record) : check KO${NC}\n"
# If 'A' DNS record for hostname exist
else
echo -e "${GREEN}Hostname is recorded in DNS (A record) : check OK${NC}\n"
fi
# Check if record AAAA is set in DNS for hostname
nslookup -querytype=AAAA $(hostname) &>/dev/null
# Return Code
RC=$?
# If no 'AAAA' DNS record for hostname
if [ $RC -ne 0 ]
then
HOSTNAME_AAAA_RECORD_NOT_IN_DNS=1
echo -e "${RED}Hostname is NOT recorded in DNS (AAAA record) : check KO${NC}\n"
# If 'AAAA' DNS record for hostname exist
else
echo -e "${GREEN}Hostname is recorded in DNS (AAAA record) : check OK${NC}\n"
fi