fix: handle https in systemd wrapper, and prevent it from looping for…

…ever

scripts/influxd-systemd-start.sh

@@ -1,17 +1,38 @@
 #!/bin/bash -e
-
+  
 /usr/bin/influxd -config /etc/influxdb/influxdb.conf $INFLUXD_OPTS &
-echo $! > /var/lib/influxdb/influxd.pid
+PID=$!
+echo $PID > /var/lib/influxdb/influxd.pid
 
+PROTOCOL="http"
 BIND_ADDRESS=$(influxd config | grep -A5 "\[http\]" | grep '^  bind-address' | cut -d ' ' -f5 | tr -d '"')
+HTTPS_ENABLED_FOUND=$(influxd config | grep "https-enabled = true" | sed 's/^ *//g' | cut -d ' ' -f3)
+HTTPS_ENABLED=${HTTPS_ENABLED_FOUND:-"false"}
+if [ $HTTPS_ENABLED = "true" ]; then
+  HTTPS_CERT=$(influxd config | grep "https-certificate" | sed 's/^ *//g' | cut -d ' ' -f3 | tr -d '"')
+  if [ ! -f "${HTTPS_CERT}" ]; then
+    echo "${HTTPS_CERT} not found! Exiting..."
+    exit 1
+  fi
+  echo "$HTTPS_CERT found"
+  PROTOCOL="https"
+fi
 HOST=${BIND_ADDRESS%%:*}
 HOST=${HOST:-"localhost"}
 PORT=${BIND_ADDRESS##*:}
-
+  
 set +e
-result=$(curl -s -o /dev/null http://$HOST:$PORT/health -w %{http_code})
+max_attempts=10
+url="$PROTOCOL://$HOST:$PORT/health"
+result=$(curl -k -s -o /dev/null $url -w %{http_code})
 while [ "$result" != "200" ]; do
   sleep 1
-  result=$(curl -s -o /dev/null http://$HOST:$PORT/health -w %{http_code})
+  result=$(curl -k -s -o /dev/null $url -w %{http_code})
+  max_attempts=$(($max_attempts-1))
+  if [ $max_attempts -le 0 ]; then
+    echo "Failed to reach influxdb $PROTOCOL endpoint at $url"
+    exit 1
+  fi
 done
 set -e
+