kapow/examples/basic/04_SystemMonitor/README.md

System Monitoring as a Service

Expose several system properties and logs.

How to run it

$ kapow server SystemMonitor.pow

How to consume it

List files and directories

$ curl -s http://localhost:8080/file/var/log/cups
total 60
drwxr-xr-x  2 root root  4096 Dec  2 06:54 .
drwxr-xr-x 15 root root  4096 Jan 27 07:34 ..
-rw-r--r--  1 root cups     0 Dec  2 06:54 access_log
-rw-r--r--  1 root cups   125 Dec  1 19:12 access_log.1
-rw-r--r--  1 root cups   254 Nov 23 12:17 access_log.2
-rw-r--r--  1 root cups   125 Sep  8 14:41 access_log.3
-rw-r--r--  1 root cups   634 May  1  2019 access_log.4
-rw-r--r--  1 root cups     0 Sep  9  2018 error_log
-rw-r--r--  1 root cups 17312 Sep  3  2018 error_log.1
-rw-r--r--  1 root cups     0 Dec  2 06:54 page_log
-rw-r--r--  1 root cups   128 Dec  1 19:12 page_log.1
-rw-r--r--  1 root cups   188 Nov 23 12:17 page_log.2
-rw-r--r--  1 root cups   108 Sep  8 14:41 page_log.3
-rw-r--r--  1 root cups   465 May  1  2019 page_log.4

List processes

``` $ curl -s http://localhost:8080/process nil 46717 0.0 0.0 111224 8196 pts/2 Sl 16:48 0:00 kapow server SystemMonitor.pow root 47405 0.0 0.0 0 0 ? I 16:50 0:00 [kworker/3:1-mm_percpu_wq] root 47406 0.0 0.0 0 0 ? I 16:50 0:00 [kworker/0:1] nil 47479 0.4 0.0 60020 31124 pts/2 S+ 16:50 0:01 vim README.md root 47819 0.0 0.0 0 0 ? I 16:52 0:00 [kworker/7:2-mm_percpu_wq] root 47823 0.6 0.0 0 0 ? I< 16:52 0:01 [kworker/u17:0-hci0] nil 48097 0.0 0.1 605928 56748 ? Sl 16:54 0:00 /usr/lib/chromium/chromium --type=renderer --disable-webrtc-apm-in-audio-service --field-trial-handle=8593857243625867040,643120771000881201,131072 --lang=en-US --disable-oor-cors --enable-auto-reload --num-raster-threads=4 --enable-main-frame-before-activation --service-request-channel-token=18057504326134146058 --renderer-client-id=112 --no-v8-untrusted-code-mitigations --shared-files=v8_context_snapshot_data:100,v8_natives_data:101 nil 48345 0.0 0.0 7124 2804 pts/2 S 16:56 0:00 /bin/sh -c ps -aux | kapow set /response/body nil 48346 0.0 0.0 9392 3324 pts/2 R 16:56 0:00 ps -aux nil 48347 0.0 0.0 109304 7080 pts/2 Sl 16:56 0:00 kapow set /response/body ```