Major changes in mainline functions, new file cretated.
This commit is contained in:
164
scripts/check_proxy_state.sh
Executable file
164
scripts/check_proxy_state.sh
Executable file
@@ -0,0 +1,164 @@
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# Initial parameters
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DATE=`date +%F-%H-%M-%S`
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TIMEOUT=$TIMEOUT
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RESTART=$RESTART
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RESTART_COUNTER=0
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# Set env variables
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PROXY_SERVICE_FILE=$PROXY_SERVICE_FILE
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ROLE=$ROLE
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SERVICE_NAME=$SERVICE_NAME
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service_exec="docker run --rm -v /etc/user/config/services/:/services/:ro -v /var/run/docker.sock:/var/run/docker.sock -v /usr/bin/docker:/usr/bin/docker:ro registry.format.hu/setup /scripts/service-exec"
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do_proxy_restart() {
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local NAMES="$1"
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for proxies in $NAMES ; do
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docker stop $proxies;
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sleep $TIMEOUT;
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$service_exec $SERVICE_NAME.containers.$proxies start
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if docker ps | grep $proxies ; then
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if [ -z "$DOMAIN" ] ; then
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echo "$proxies restarted successful";
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else
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check_domain;
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fi
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else
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PROXY_NAME=$proxies
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for retries in $(seq 0 $((RESTART + 1))); do
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if [[ $retries -le $RESTART ]] ; then
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echo "Proxy "$PROXY_NAME" restarting in progress";
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docker stop $proxies;
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sleep $TIMEOUT;
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$service_exec $SERVICE_NAME.containers.$PROXY_NAME start
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if docker ps | grep $PROXY_NAME ; then
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echo "$PROXY_NAME restarted successful";
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else
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echo "Restarting number is only: "$retries" so try again"
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sleep $TIMEOUT;
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fi
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else
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echo "Reached retrying limit: "$RESTART" ,giving up, starting recocer previous state"
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recover_process;
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fi
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done
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fi
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done
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}
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check_domain() {
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echo "Checking $DOMAIN name";
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CURL_CHECK="curl -s -o /dev/null -w "%{http_code}" https://$DOMAIN";
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if [[ "$(eval $CURL_CHECK)" == "200" ]] ; then
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echo "$proxies restarted successful";
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else
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send_error_msg;
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fi
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}
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recover_process() { echo "Recovering previous state"
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}
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send_error_msg () { echo "Sending error messages"
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}
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check_proxy_state() {
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# Set restart counter to zero
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CONTAINER_NAMES="";
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CONTAINERS_BY_ROLE=0
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RUNNING_CONTAINERS=0
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# Check services with running containers by roles
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for CONTAINER in $(jq -r --arg ROLE $ROLE '.containers[] | select(.ROLES==$ROLE)' $PROXY_SERVICE_FILE | jq -r .NAME) ; do
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CONTAINERS_BY_ROLE=$((CONTAINERS_BY_ROLE +1))
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UP=$(docker ps | grep $CONTAINER | grep Up | wc -l)
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RUNNING_CONTAINERS=$((RUNNING_CONTAINERS + UP))
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CONTAINERS=$CONTAINERS" "$CONTAINER;
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if [[ "$UP" != 0 ]]; then
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CONTAINER_NAMES=$CONTAINER_NAMES" "$CONTAINER;
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fi;
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done;
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# The roles numbers and the running containers numbers are equal or greater than 2
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if [[ "$RUNNING_CONTAINERS" == "$CONTAINERS_BY_ROLE" || "$RUNNING_CONTAINERS" -ge 2 ]] ; then
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echo "Starting proxy restart process";
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do_proxy_restart "$CONTAINER_NAMES";
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# In case of no running proxies found, try to start the service
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elif [[ "$RUNNING_CONTAINERS" -eq 0 ]] ; then
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echo "No running proxies found, starting all";
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$service_exec /services/$SERVICE_NAME.json start;
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for proxies in $CONTAINERS ; do
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if docker ps | grep $proxies ; then
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echo "$proxies started successful";
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else
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echo "$proxies starting was unsuccesful"
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fi
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done
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# In case of only one running proxy found, try to start the others of the service
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elif [[ "$RUNNING_CONTAINERS" -eq 1 ]] ; then
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echo "Only one running proxy found, starting all of the others";
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for proxies in $CONTAINERS ; do
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if [[ $proxies != $CONTAINER_NAMES ]] ; then
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echo "No running containers: "$proxies" found.";
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$service_exec $SERVICE_NAME.containers.$proxies start;
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if docker ps | grep $proxies ; then
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echo "$proxies started successful";
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else
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echo "$proxies starting was unsuccesful";
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fi
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else
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ONLY_RUNNING_PROXY_NAME=$proxies;
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fi
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done
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# At last need to restart the only one running proxy when the others started successful.
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for CHECK_PROXIES in $CONTAINERS ; do
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if [[ $CHECK_PROXIES != $ONLY_RUNNING_PROXY_NAME ]] ; then
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if docker ps | grep $CHECK_PROXIES ; then
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echo "Not running proxies successfuly started, let's start the only running one.";
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do_proxy_restart $ONLY_RUNNING_PROXY_NAME;
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else
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echo "Not enough running proxies found, can't start the only running one.";
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fi
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fi
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done
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# sleep $TIMEOUT;
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# RESTART_COUNTER=$((RESTART_COUNTER +1))
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#
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# echo "RUNNING CONTAINERS: "$RUNNING_CONTAINERS;
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#
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# if [[ "$RESTART_COUNTER" -le "$RESTART" ]] ; then
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# echo "ELSE: check proxy state";
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# check_proxy_state;
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# else
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# recover_process;
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# fi
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# for CONTAINER in `echo $CONTAINER_NAMES`; do
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# done;
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fi
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} # end of check_proxy_state
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# call method
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check_proxy_state
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