System monitor example

2020-01-27 16:57:33 +01:00
parent 3f7b4782ea
commit 7d790dcad9
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+# System Monitoring as a Service
+
+Expose several system properties and logs.
+
+## How to run it
+
+```
+$ kapow server SystemMonitor.pow
+```
+
+
+## How to consume it
+
+<details><summary>List files and directories</summary>
+
+```
+$ 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
+```
+</details>
+
+<details><summary>List processes</summary>
+```
+$ 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
+```
+</details>