150 lines
4.0 KiB
Bash
Executable File
150 lines
4.0 KiB
Bash
Executable File
#!/bin/sh
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# Debugging function
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debug() {
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if [ $DEBUG -eq 1 ]; then
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echo "DEBUG: "$1 $2 $3
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fi;
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}
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SOURCE=$PROXY
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TARGET=$TARGET
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DOMAIN=$DOMAIN
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PORT=$PORT
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PUBLIC_PROXY_PATH=$PUBLIC_PROXY_PATH
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SMARTHOST_PROXY_PATH=$SMARTHOST_PROXY_PATH
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# ADDITIONAL VARIABLES
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ROLES=$ROLES
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# turn on debug mode by extra option "debug"
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if [[ "$(echo "$EXTRA_OPTIONS" | grep debug)" != "" ]] ; then
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DEBUG=1
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fi;
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# finding IPv4 addresses from application names.
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name_resolver() {
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local DNS=$1
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APP_IP=""
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echo "DNS: "$DNS;
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for D in $(echo $DNS);
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do
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UP=$(docker ps --format '{{.Names}}\t{{.Status}}' | grep Up | awk '{print $1}' | grep $D"-") ;
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# filtering for ROLES variables if exists.
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if [[ "$ROLES" != "null" && ! -z "$ROLES" ]]; then
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UPS=""
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for ROLE in $(echo $ROLES); do
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FILTERED_BY_ROLE=$(docker inspect $UP -f '{{.Config.Labels.roles}}' | uniq | grep $ROLE)
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if [[ "$(echo $FILTERED_BY_ROLE)" != "" ]]; then
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UPS="$UPS $UP";
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fi
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done
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UP=$UPS
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fi
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if [ ! -z "$UP" ] ; then
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for D_IP in `echo $UP` ;
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do
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DNS_IP=$(docker inspect $D_IP -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}');
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APP_IP="$APP_IP $DNS_IP";
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echo "APP_IP: "$APP_IP;
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done
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else
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debug "no matching running process found for indentiying application IP addresses, exiting."
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exit;
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fi
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done;
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}
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# GETTING APPLICATIONS IP ADDRESSES
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if [ ! -z "$SOURCE" ]; then
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for i in $(echo $SOURCE) ; do
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name_resolver $i;
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debug "source ip is $APP_IP";
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SOURCE_IP=$APP_IP;
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done
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fi
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IDX=0
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for i in $(echo $TARGET) ; do
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name_resolver $i;
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debug "target ip is $APP_IP";
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for IP in $(echo $APP_IP); do
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IDX=$(expr 1 + $IDX)
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eval TARGET_IP_$IDX=$IP;
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done;
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done
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# CHECKING WHETHER IS IT NEEDED TO USE PUBLIC PROXY SERVICE
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if [ "$PUBLIC_PROXY_PATH" != "" ]; then
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# check domain config file exits
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PUBLIC_DOMAIN=$(jq -r .DOMAIN $PUBLIC_PROXY_PATH/$DOMAIN 2>/dev/null)
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PUBLIC_IP=$(jq -r .LOCAL_IP $PUBLIC_PROXY_PATH/$DOMAIN 2>/dev/null)
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if [[ -f "$PUBLIC_PROXY_PATH/$DOMAIN" && "$PUBLIC_DOMAIN" == "$DOMAIN" && "$PUBLIC_IP" == "$SOURCE_IP" ]]; then
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echo "Nothing to do."
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else
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#Create public proxy domain file
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echo '
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{
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"DOMAIN": "'$DOMAIN'",
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"ALIASES_HTTP": [ ],
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"ALIASES_HTTPS": [ ],
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"LOCAL_IP": "'$SOURCE_IP'",
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"HTTP_PORT": "80",
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"HTTPS_PORT": "443",
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"ERROR_PAGE": "",
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"REDIRECT_HTTP": "",
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"REDIRECT_HTTPS": ""
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}
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' | jq -r . > $PUBLIC_PROXY_PATH/$DOMAIN
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fi
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fi
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# CHECKING WHETHER IS IT NEEDED TO USE SMARTHOST PROXY SERVICE
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if [ "$SMARTHOST_PROXY_PATH" != "" ]; then
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# check domain config file exits
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SMARTHOST_DOMAIN=$(jq -r .DOMAIN $SMARTHOST_PROXY_PATH/$DOMAIN 2>/dev/null)
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SMARTHOST_IP=$(jq -r .LOCAL_IP $SMARTHOST_PROXY_PATH/$DOMAIN 2>/dev/null)
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SMARTHOST_PORT=$(jq -r .HTTP_PORT $SMARTHOST_PROXY_PATH/$DOMAIN 2>/dev/null)
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if [[ -f "$SMARTHOST_PROXY_PATH/$DOMAIN" && "$SMARTHOST_DOMAIN" == "$DOMAIN" && "$SMARTHOST_IP" == "$TARGET_IP_1" && "$SMARTHOST_PORT" == "$PORT" ]]; then
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echo "Nothing to do."
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else
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#Create public proxy domain file
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echo '
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{
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"DOMAIN": "'$DOMAIN'",
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"ALIASES_HTTP": [ ],
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"ALIASES_HTTPS": [ ],
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"LOCAL_IP": "'$TARGET_IP_1'",
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"HTTP_PORT": "",
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"HTTPS_PORT": "'$PORT'",
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"ERROR_PAGE": "",
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"REDIRECT_HTTP": "https://'$DOMAIN'",
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"REDIRECT_HTTPS": "",
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"MAX_BODY_SIZE": "512M"
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}
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' | jq -r . > $SMARTHOST_PROXY_PATH/$DOMAIN
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fi
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fi
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