feat: enhance the demo with syslog telemetries

Signed-off-by: Kevin222004 <[email protected]>

.github/workflows/docker-publish.yml

@@ -51,6 +51,7 @@ jobs:
           curl --fail http://127.0.0.1:9091/api/v1/query?query=disk_used_percent | grep disk_used_percent
           curl --fail http://127.0.0.1:9091/api/v1/query?query=netstat_tcp_listen | grep netstat_tcp_listen
           curl --fail http://127.0.0.1:9091/api/v1/query?query=dns_query_result_code | grep dns_query_result_code
+          curl --fail http://127.0.0.1:9091/api/v1/query?query=syslog_version | grep syslog_version
 
       - name: Logs
         if: always()

README.md

@@ -117,6 +117,7 @@ curl --fail http://127.0.0.1:9091/api/v1/query?query=redfish_thermal_fans_readin
 curl --fail http://127.0.0.1:9091/api/v1/query?query=disk_used_percent | grep disk_used_percent
 curl --fail http://127.0.0.1:9091/api/v1/query?query=netstat_tcp_listen | grep netstat_tcp_listen
 curl --fail http://127.0.0.1:9091/api/v1/query?query=dns_query_result_code | grep dns_query_result_code
+curl --fail http://127.0.0.1:9091/api/v1/query?query=syslog_version | grep syslog_version
 ```
 
 ## Running example

config/rsyslog.conf

@@ -0,0 +1,10 @@
+$ActionQueueType LinkedList # use asynchronous processing
+$ActionQueueFileName srvrfwd # set file name, also enables disk mode
+$ActionResumeRetryCount -1 # infinite retries on insert failure
+$ActionQueueSaveOnShutdown on # save in-memory data if rsyslog shuts down
+
+# forward over tcp with octet framing according to RFC 5425
+*.* @@(o)localhost:6514;RSYSLOG_SyslogProtocol23Format
+
+# uncomment to use udp according to RFC 5424
+# *.* @127.0.0.1:6514;RSYSLOG_SyslogProtocol23Format

config/telegraf.conf

@@ -42,6 +42,9 @@
   servers = ["8.8.8.8"]
   include_fields = ["all_ips"]
 
+[[inputs.syslog]]
+  server = "tcp://syslog:6514"
+
 [[outputs.file]]
   files = ["stdout"]
   data_format = "influx"

docker-compose.yml

@@ -144,6 +144,15 @@ services:
       timeout: 10s
       retries: 5
 
+  syslog:
+    image: docker.io/rsyslog/syslog_appliance_alpine:8.36.0-3.7
+    volumes:
+      - ./config/rsyslog.conf:/etc/rsyslog.conf
+    ports:
+      - "6514:6514/tcp"
+    networks:
+      - opi
+
 volumes:
   influxdb-storage: