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[ACME] Add timestamps, check if acme account key is valid [Postfix] Ignore local0 [Watchdog] Add Rspamd checks
62524150
data/Dockerfiles/acme/docker-entrypoint.sh | 114 +++++++++++++++--------------
data/Dockerfiles/postfix/syslog-ng.conf | 2 +
data/Dockerfiles/watchdog/watchdog.sh | 45 +++++++++++-
3 files changed, 103 insertions(+), 58 deletions(-)Diff
diff --git a/data/Dockerfiles/acme/docker-entrypoint.sh b/data/Dockerfiles/acme/docker-entrypoint.sh
index 2cfe8224..02aae4f6 100755
--- a/data/Dockerfiles/acme/docker-entrypoint.sh
+++ b/data/Dockerfiles/acme/docker-entrypoint.sh
@@ -16,14 +16,18 @@ restart_containers(){
done
}
+log_f() {
+ echo "$(date) - ${1}"
+}
+
verify_hash_match(){
CERT_HASH=$(openssl x509 -noout -modulus -in "${1}" | openssl md5)
KEY_HASH=$(openssl rsa -noout -modulus -in "${2}" | openssl md5)
if [[ ${CERT_HASH} != ${KEY_HASH} ]]; then
- echo "Certificate and key hashes do not match!"
+ log_f "Certificate and key hashes do not match!"
return 1
else
- echo "Verified hashes."
+ log_f "Verified hashes."
return 0
fi
}
@@ -33,7 +37,7 @@ get_ipv4(){
local IPV4_SRCS=
local TRY=
IPV4_SRCS[0]="api.ipify.org"
- IPV4_SRCS[1]="ifconfig.co"
+ IPV4_SRCS[1]="ifconfig.co"-
IPV4_SRCS[2]="icanhazip.com"
IPV4_SRCS[3]="v4.ident.me"
IPV4_SRCS[4]="ipecho.net/plain"
@@ -51,7 +55,7 @@ get_ipv4(){
if [[ -f ${ACME_BASE}/cert.pem ]] && [[ -f ${ACME_BASE}/key.pem ]]; then
ISSUER=$(openssl x509 -in ${ACME_BASE}/cert.pem -noout -issuer)
if [[ ${ISSUER} != *"Let's Encrypt"* && ${ISSUER} != *"mailcow"* ]]; then
- echo "Found certificate with issuer other than mailcow snake-oil CA and Let's Encrypt, skipping ACME client..."
+ log_f "Found certificate with issuer other than mailcow snake-oil CA and Let's Encrypt, skipping ACME client..."
sleep 3650d
exec $(readlink -f "$0")
else
@@ -59,21 +63,21 @@ if [[ -f ${ACME_BASE}/cert.pem ]] && [[ -f ${ACME_BASE}/key.pem ]]; then
SAN_NAMES=$(openssl x509 -noout -text -in ${ACME_BASE}/cert.pem | awk '/X509v3 Subject Alternative Name/ {getline;gsub(/ /, "", $0); print}' | tr -d "DNS:")
if [[ ! -z ${SAN_NAMES} ]]; then
IFS=',' read -a SAN_ARRAY_NOW <<< ${SAN_NAMES}
- echo "Found Let's Encrypt or mailcow snake-oil CA issued certificate with SANs: ${SAN_ARRAY_NOW[*]}"
+ log_f "Found Let's Encrypt or mailcow snake-oil CA issued certificate with SANs: ${SAN_ARRAY_NOW[*]}"
fi
fi
else
if [[ -f ${ACME_BASE}/acme/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/privkey.pem ]]; then
if verify_hash_match ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/acme/private/privkey.pem; then
- echo "Restoring previous acme certificate and restarting script..."
+ log_f "Restoring previous acme certificate and restarting script..."
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
- # Restarting with env var set to trigger a restart,
+ # Restarting with env var set to trigger a restart,
exec env TRIGGER_RESTART=1 $(readlink -f "$0")
fi
ISSUER="mailcow"
else
- echo "Restoring mailcow snake-oil certificates and restarting script..."
+ log_f "Restoring mailcow snake-oil certificates and restarting script..."
cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
cp ${SSL_EXAMPLE}/key.pem ${ACME_BASE}/key.pem
exec env TRIGGER_RESTART=1 $(readlink -f "$0")
@@ -82,7 +86,7 @@ fi
while true; do
if [[ "${SKIP_LETS_ENCRYPT}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
- echo "SKIP_LETS_ENCRYPT=y, skipping Let's Encrypt..."
+ log_f "SKIP_LETS_ENCRYPT=y, skipping Let's Encrypt..."
sleep 365d
exec $(readlink -f "$0")
fi
@@ -110,42 +114,42 @@ while true; do
for SQL_DOMAIN in "${SQL_DOMAIN_ARR[@]}"; do
A_CONFIG=$(dig A autoconfig.${SQL_DOMAIN} +short | tail -n 1)
if [[ ! -z ${A_CONFIG} ]]; then
- echo "Found A record for autoconfig.${SQL_DOMAIN}: ${A_CONFIG}"
+ log_f "Found A record for autoconfig.${SQL_DOMAIN}: ${A_CONFIG}"
if [[ ${IPV4:-ERR} == ${A_CONFIG} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
- echo "Confirmed A record autoconfig.${SQL_DOMAIN}"
+ log_f "Confirmed A record autoconfig.${SQL_DOMAIN}"
VALIDATED_CONFIG_DOMAINS+=("autoconfig.${SQL_DOMAIN}")
else
- echo "Cannot match your IP ${IPV4} against hostname autoconfig.${SQL_DOMAIN} (${A_CONFIG})"
+ log_f "Cannot match your IP ${IPV4} against hostname autoconfig.${SQL_DOMAIN} (${A_CONFIG})"
fi
else
- echo "No A record for autoconfig.${SQL_DOMAIN} found"
+ log_f "No A record for autoconfig.${SQL_DOMAIN} found"
fi
A_DISCOVER=$(dig A autodiscover.${SQL_DOMAIN} +short | tail -n 1)
if [[ ! -z ${A_DISCOVER} ]]; then
- echo "Found A record for autodiscover.${SQL_DOMAIN}: ${A_DISCOVER}"
+ log_f "Found A record for autodiscover.${SQL_DOMAIN}: ${A_DISCOVER}"
if [[ ${IPV4:-ERR} == ${A_DISCOVER} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
- echo "Confirmed A record autodiscover.${SQL_DOMAIN}"
+ log_f "Confirmed A record autodiscover.${SQL_DOMAIN}"
VALIDATED_CONFIG_DOMAINS+=("autodiscover.${SQL_DOMAIN}")
else
- echo "Cannot match your IP ${IPV4} against hostname autodiscover.${SQL_DOMAIN} (${A_DISCOVER})"
+ log_f "Cannot match your IP ${IPV4} against hostname autodiscover.${SQL_DOMAIN} (${A_DISCOVER})"
fi
else
- echo "No A record for autodiscover.${SQL_DOMAIN} found"
+ log_f "No A record for autodiscover.${SQL_DOMAIN} found"
fi
done
A_MAILCOW_HOSTNAME=$(dig A ${MAILCOW_HOSTNAME} +short | tail -n 1)
if [[ ! -z ${A_MAILCOW_HOSTNAME} ]]; then
- echo "Found A record for ${MAILCOW_HOSTNAME}: ${A_MAILCOW_HOSTNAME}"
+ log_f "Found A record for ${MAILCOW_HOSTNAME}: ${A_MAILCOW_HOSTNAME}"
if [[ ${IPV4:-ERR} == ${A_MAILCOW_HOSTNAME} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
- echo "Confirmed A record ${MAILCOW_HOSTNAME}"
+ log_f "Confirmed A record ${MAILCOW_HOSTNAME}"
VALIDATED_MAILCOW_HOSTNAME=${MAILCOW_HOSTNAME}
else
- echo "Cannot match your IP ${IPV4} against hostname ${MAILCOW_HOSTNAME} (${A_MAILCOW_HOSTNAME}) "
+ log_f "Cannot match your IP ${IPV4} against hostname ${MAILCOW_HOSTNAME} (${A_MAILCOW_HOSTNAME}) "
fi
else
- echo "No A record for ${MAILCOW_HOSTNAME} found"
+ log_f "No A record for ${MAILCOW_HOSTNAME} found"
fi
for SAN in "${ADDITIONAL_SAN_ARR[@]}"; do
@@ -154,23 +158,23 @@ while true; do
fi
A_SAN=$(dig A ${SAN} +short | tail -n 1)
if [[ ! -z ${A_SAN} ]]; then
- echo "Found A record for ${SAN}: ${A_SAN}"
+ log_f "Found A record for ${SAN}: ${A_SAN}"
if [[ ${IPV4:-ERR} == ${A_SAN} ]] || [[ ${SKIP_IP_CHECK} == "y" ]]; then
- echo "Confirmed A record ${SAN}"
+ log_f "Confirmed A record ${SAN}"
ADDITIONAL_VALIDATED_SAN+=("${SAN}")
else
- echo "Cannot match your IP against hostname ${SAN}"
+ log_f "Cannot match your IP against hostname ${SAN}"
fi
else
- echo "No A record for ${SAN} found"
+ log_f "No A record for ${SAN} found"
fi
done
# Unique elements
ALL_VALIDATED=(${VALIDATED_MAILCOW_HOSTNAME} $(echo ${VALIDATED_CONFIG_DOMAINS[*]} ${ADDITIONAL_VALIDATED_SAN[*]} | xargs -n1 | sort -u | xargs))
if [[ -z ${ALL_VALIDATED[*]} ]]; then
- echo "Cannot validate hostnames, skipping Let's Encrypt for 1 hour."
- echo "Use SKIP_LETS_ENCRYPT=y in mailcow.conf to skip it permanently."
+ log_f "Cannot validate hostnames, skipping Let's Encrypt for 1 hour."
+ log_f "Use SKIP_LETS_ENCRYPT=y in mailcow.conf to skip it permanently."
sleep 1h
exec $(readlink -f "$0")
fi
@@ -178,7 +182,7 @@ while true; do
ORPHANED_SAN=($(echo ${SAN_ARRAY_NOW[*]} ${ALL_VALIDATED[*]} | tr ' ' '\n' | sort | uniq -u ))
if [[ ! -z ${ORPHANED_SAN[*]} ]] && [[ ${ISSUER} != *"mailcow"* ]]; then
DATE=$(date +%Y-%m-%d_%H_%M_%S)
- echo "Found orphaned SAN ${ORPHANED_SAN[*]} in certificate, moving old files to ${ACME_BASE}/acme/private/${DATE}.bak/, keeping key file..."
+ log_f "Found orphaned SAN ${ORPHANED_SAN[*]} in certificate, moving old files to ${ACME_BASE}/acme/private/${DATE}.bak/, keeping key file..."
mkdir -p ${ACME_BASE}/acme/private/${DATE}.bak/
[[ -f ${ACME_BASE}/acme/private/account.key ]] && mv ${ACME_BASE}/acme/private/account.key ${ACME_BASE}/acme/private/${DATE}.bak/
[[ -f ${ACME_BASE}/acme/fullchain.pem ]] && mv ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/acme/private/${DATE}.bak/
@@ -186,12 +190,12 @@ while true; do
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/acme/private/${DATE}.bak/ # Keep key for TLSA 3 1 1 records
fi
- ACME_RESPONSE=$(acme-client \
- -v -e -b -N -n \
- -f ${ACME_BASE}/acme/private/account.key \
- -k ${ACME_BASE}/acme/private/privkey.pem \
- -c ${ACME_BASE}/acme \
- ${ALL_VALIDATED[*]} 2>&1 | tee /dev/fd/5)
+ ACME_RESPONSE=$(acme-client \
+ -v -e -b -N -n \
+ -f ${ACME_BASE}/acme/private/account.key \
+ -k ${ACME_BASE}/acme/private/privkey.pem \
+ -c ${ACME_BASE}/acme \
+ ${ALL_VALIDATED[*]} 2>&1 | tee /dev/fd/5)
case "$?" in
0) # new certs
@@ -201,50 +205,50 @@ while true; do
# restart docker containers
if ! verify_hash_match ${ACME_BASE}/cert.pem ${ACME_BASE}/key.pem; then
- echo "Certificate was successfully requested, but key and certificate have non-matching hashes, restoring mailcow snake-oil and restarting containers..."
+ log_f "Certificate was successfully requested, but key and certificate have non-matching hashes, restoring mailcow snake-oil and restarting containers..."
cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
cp ${SSL_EXAMPLE}/key.pem ${ACME_BASE}/key.pem
fi
restart_containers ${CONTAINERS_RESTART[*]}
;;
1) # failure
- if [[ $ACME_RESPONSE =~ "No registration exists" ]]; then
- echo "Registration keys are invalid, deleting old keys and restarting..."
- rm ${ACME_BASE}/acme/private/account.key
- rm ${ACME_BASE}/acme/private/privkey.pem
- exec $(readlink -f "$0")
- fi
- if [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ]]; then
- echo "Error requesting certificate, restoring previous certificate from backup and restarting containers...."
+ if [[ $ACME_RESPONSE =~ "No registration exists" ]]; then
+ log_f "Registration keys are invalid, deleting old keys and restarting..."
+ rm ${ACME_BASE}/acme/private/account.key
+ rm ${ACME_BASE}/acme/private/privkey.pem
+ exec $(readlink -f "$0")
+ fi
+ if [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ]]; then
+ log_f "Error requesting certificate, restoring previous certificate from backup and restarting containers...."
cp ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ${ACME_BASE}/cert.pem
cp ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ${ACME_BASE}/key.pem
TRIGGER_RESTART=1
- elif [[ -f ${ACME_BASE}/acme/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/privkey.pem ]]; then
- echo "Error requesting certificate, restoring from previous acme request and restarting containers..."
+ elif [[ -f ${ACME_BASE}/acme/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/privkey.pem ]]; then
+ log_f "Error requesting certificate, restoring from previous acme request and restarting containers..."
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
TRIGGER_RESTART=1
fi
if ! verify_hash_match ${ACME_BASE}/cert.pem ${ACME_BASE}/key.pem; then
- echo "Error verifying certificates, restoring mailcow snake-oil and restarting containers..."
+ log_f "Error verifying certificates, restoring mailcow snake-oil and restarting containers..."
cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
cp ${SSL_EXAMPLE}/key.pem ${ACME_BASE}/key.pem
TRIGGER_RESTART=1
fi
[[ ${TRIGGER_RESTART} == 1 ]] && restart_containers ${CONTAINERS_RESTART[*]}
- echo "Retrying in 30 minutes..."
+ log_f "Retrying in 30 minutes..."
sleep 30m
exec $(readlink -f "$0")
- ;;
+ ;;
2) # no change
if ! diff ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem; then
- echo "Certificate was not changed, but active certificate does not match the verified certificate, fixing and restarting containers..."
+ log_f "Certificate was not changed, but active certificate does not match the verified certificate, fixing and restarting containers..."
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
TRIGGER_RESTART=1
fi
if ! verify_hash_match ${ACME_BASE}/cert.pem ${ACME_BASE}/key.pem; then
- echo "Certificate was not changed, but hashes do not match, restoring from previous acme request and restarting containers..."
+ log_f "Certificate was not changed, but hashes do not match, restoring from previous acme request and restarting containers..."
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
TRIGGER_RESTART=1
@@ -253,30 +257,30 @@ while true; do
;;
*) # unspecified
if [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ]]; then
- echo "Error requesting certificate, restoring previous certificate from backup and restarting containers...."
+ log_f "Error requesting certificate, restoring previous certificate from backup and restarting containers...."
cp ${ACME_BASE}/acme/private/${DATE}.bak/fullchain.pem ${ACME_BASE}/cert.pem
cp ${ACME_BASE}/acme/private/${DATE}.bak/privkey.pem ${ACME_BASE}/key.pem
TRIGGER_RESTART=1
elif [[ -f ${ACME_BASE}/acme/fullchain.pem ]] && [[ -f ${ACME_BASE}/acme/private/privkey.pem ]]; then
- echo "Error requesting certificate, restoring from previous acme request and restarting containers..."
+ log_f "Error requesting certificate, restoring from previous acme request and restarting containers..."
cp ${ACME_BASE}/acme/fullchain.pem ${ACME_BASE}/cert.pem
cp ${ACME_BASE}/acme/private/privkey.pem ${ACME_BASE}/key.pem
TRIGGER_RESTART=1
fi
if ! verify_hash_match ${ACME_BASE}/cert.pem ${ACME_BASE}/key.pem; then
- echo "Error verifying certificates, restoring mailcow snake-oil..."
+ log_f "Error verifying certificates, restoring mailcow snake-oil..."
cp ${SSL_EXAMPLE}/cert.pem ${ACME_BASE}/cert.pem
cp ${SSL_EXAMPLE}/key.pem ${ACME_BASE}/key.pem
TRIGGER_RESTART=1
fi
[[ ${TRIGGER_RESTART} == 1 ]] && restart_containers ${CONTAINERS_RESTART[*]}
- echo "Retrying in 30 minutes..."
+ log_f "Retrying in 30 minutes..."
sleep 30m
exec $(readlink -f "$0")
;;
esac
- echo "ACME certificate validation done. Sleeping for another day."
+ log_f "ACME certificate validation done. Sleeping for another day."
sleep 1d
done
diff --git a/data/Dockerfiles/postfix/syslog-ng.conf b/data/Dockerfiles/postfix/syslog-ng.conf
index cfb76a16..bf5509c0 100644
--- a/data/Dockerfiles/postfix/syslog-ng.conf
+++ b/data/Dockerfiles/postfix/syslog-ng.conf
@@ -39,8 +39,10 @@ destination d_redis_cleanup {
);
};
filter f_mail { facility(mail); };
+filter f_skip_local { facility (local0, local1, local2, local3, local4, local5, local6, local7); };
log {
source(s_src);
+ filter(f_skip_local);
destination(d_stdout);
filter(f_mail);
destination(d_redis_ui_log);
diff --git a/data/Dockerfiles/watchdog/watchdog.sh b/data/Dockerfiles/watchdog/watchdog.sh
index 77ea1a4d..a1f7a096 100755
--- a/data/Dockerfiles/watchdog/watchdog.sh
+++ b/data/Dockerfiles/watchdog/watchdog.sh
@@ -109,9 +109,8 @@ postfix_checks() {
while [ ${err_count} -lt ${THRESHOLD} ]; do
host_ip=$(get_container_ip postfix-mailcow)
err_c_cur=${err_count}
- /usr/lib/nagios/plugins/check_smtp -4 -H ${host_ip} -p 25 1>&2; err_count=$(( ${err_count} + $? ))
- /usr/lib/nagios/plugins/check_smtp -4 -H ${host_ip} -p 588 -f watchdog -C "RCPT TO:null@localhost" -C DATA -C . -R 250 1>&2; err_count=$(( ${err_count} + $? ))
- /usr/lib/nagios/plugins/check_smtp -4 -H ${host_ip} -p 587 -S 1>&2; err_count=$(( ${err_count} + $? ))
+ /usr/lib/nagios/plugins/check_smtp -4 -H ${host_ip} -p 589 -f watchdog -C "RCPT TO:null@localhost" -C DATA -C . -R 250 1>&2; err_count=$(( ${err_count} + $? ))
+ /usr/lib/nagios/plugins/check_smtp -4 -H ${host_ip} -p 589 -S 1>&2; err_count=$(( ${err_count} + $? ))
[ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
[ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
progress "Postfix" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c}
@@ -161,6 +160,36 @@ phpfpm_checks() {
return 1
}
+rspamd_checks() {
+ err_count=0
+ diff_c=0
+ THRESHOLD=10
+ # Reduce error count by 2 after restarting an unhealthy container
+ trap "[ ${err_count} -gt 1 ] && err_count=$(( ${err_count} - 2 ))" USR1
+ while [ ${err_count} -lt ${THRESHOLD} ]; do
+ host_ip=$(get_container_ip rspamd-mailcow)
+ err_c_cur=${err_count}
+ SCORE=$(curl --silent ${host_ip}:11333/scan -d '
+To: null@localhost
+From: watchdog@localhost
+
+Empty
+' | jq -rc .required_score)
+ if [[ ${SCORE} != "9999" ]]; then
+ echo "Rspamd settings check failed" 1>&2
+ err_count=$(( ${err_count} + 1))
+ else
+ echo "Rspamd settings check succeeded" 1>&2
+ fi
+ /usr/lib/nagios/plugins/check_ping -4 -H ${host_ip} -w 2000,10% -c 4000,100% -p2 1>&2; err_count=$(( ${err_count} + $? ))
+ [ ${err_c_cur} -eq ${err_count} ] && [ ! $((${err_count} - 1)) -lt 0 ] && err_count=$((${err_count} - 1)) diff_c=1
+ [ ${err_c_cur} -ne ${err_count} ] && diff_c=$(( ${err_c_cur} - ${err_count} ))
+ progress "Rspamd" ${THRESHOLD} $(( ${THRESHOLD} - ${err_count} )) ${diff_c}
+ sleep $(( ( RANDOM % 30 ) + 10 ))
+ done
+ return 1
+}
+
dns_checks() {
err_count=0
diff_c=0
@@ -252,6 +281,16 @@ done
) &
BACKGROUND_TASKS+=($!)
+(
+while true; do
+ if ! rspamd_checks; then
+ echo -e "\e[31m$(date) - Rspamd hit error limit\e[0m"
+ echo rspamd-mailcow > /tmp/com_pipe
+ fi
+done
+) &
+BACKGROUND_TASKS+=($!)
+
# Monitor watchdog agents, stop script when agents fails and wait for respawn by Docker (restart:always:n)
(
while true; do