verifica quatro vezes se solr esta online (#2732)

Dockerfile

@@ -39,6 +39,7 @@ RUN rm -rf /var/interlegis/sapl/sapl/.env && \
     rm -rf /var/interlegis/sapl/sapl.db
 
 RUN chmod +x /var/interlegis/sapl/start.sh && \
+    chmod +x /var/interlegis/sapl/check_solr.sh && \
     ln -sf /dev/stdout /var/log/nginx/access.log && \
     ln -sf /dev/stderr /var/log/nginx/error.log && \
     mkdir /var/log/sapl/ && touch /var/interlegis/sapl/sapl.log && \

check_solr.sh

@@ -4,15 +4,22 @@
 
 SOLR_URL=$1
 
+RETRY_COUNT=1
+RETRY_LIMIT=4
+
 echo "Waiting for solr connection at $SOLR_URL ..."
-while true; do
+while [[ $RETRY_COUNT < $RETRY_LIMIT ]]; do
+   echo "Attempt to connect to solr: $RETRY_COUNT of $RETRY_LIMIT"
+   let RETRY_COUNT=RETRY_COUNT+1;
    echo "$SOLR_URL/solr/admin/collections?action=LIST"
    RESULT=$(curl -s -o /dev/null -I "$SOLR_URL/solr/admin/collections?action=LIST" -w '%{http_code}')
    echo $RESULT
-   if [ "$RESULT" -eq '200' ]; then
+   if [ $RESULT == 200 ]; then
       echo "Solr server is up!"
-      break
+      exit 1
    else
       sleep 3
    fi
 done
+echo "Solr connection failed."
+exit 2

start.sh

@@ -72,10 +72,18 @@ if [ "${USE_SOLR-False}" == "True" ] || [ "${USE_SOLR-False}" == "true" ]; then
     echo "MAX SHARDS PER NODE: $MAX_SHARDS_PER_NODE"
     echo "========================================="
 
+    echo "running solr script"
     /bin/bash check_solr.sh $SOLR_URL
+    CHECK_SOLR_RETURN=$?
 
+    if [ $CHECK_SOLR_RETURN == 1 ]; then
+        echo "Connecting to solr..."
         python3 solr_api.py -u $SOLR_URL -c $SOLR_COLLECTION -s $NUM_SHARDS -rf $RF -ms $MAX_SHARDS_PER_NODE &
         # python3 manage.py rebuild_index --noinput &
+    else
+        echo "Solr is offline, not possible to connect."
+    fi
+
 else
     echo "Suporte a SOLR não inicializado."
 fi