fix: add systemd-notify wrapper script around influxd for debs/rpms

.goreleaser.yml

@@ -45,6 +45,8 @@ nfpms:
         dst: /etc/logrotate.d/influxdb
       - src: scripts/influxdb2-upgrade.sh
         dst: /usr/share/influxdb/influxdb2-upgrade.sh
+      - src: scripts/influxd_wrapper.sh
+        dst: /usr/bin/influxd_wrapper.sh
     scripts:
       preinstall:  "scripts/pre-install.sh"
       postinstall: "scripts/post-install.sh"

scripts/influxd_wrapper.sh

@@ -0,0 +1,15 @@
+#!/bin/bash -e
+/usr/bin/influxd
+
+HOST=${INFLUXDB_HOSTNAME:-"localhost"}
+PORT=${INFLUXDB_HTTP_BIND_ADDRESS:-"8086"}
+
+set +e
+result=$(curl -s -o /dev/null http://$HOST:$PORT/ready -w %{http_code})
+while [ "$result" != "200" ]; do
+  sleep 1
+  result=$(curl -s -o /dev/null http://$HOST:$PORT/ready -w %{http_code})
+done
+set -e
+
+systemd-notify --ready

scripts/influxdb.service

@@ -10,7 +10,7 @@ User=influxdb
 Group=influxdb
 LimitNOFILE=65536
 EnvironmentFile=-/etc/default/influxdb2
-ExecStart=/usr/bin/influxd
+ExecStart=/usr/bin/influxd_wrapper.sh
 KillMode=control-group
 Restart=on-failure