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cr0hn
2019-11-22 13:13:58 +01:00
parent 7c33c6b90b
commit 2a7a7c1980
1 changed files with 16 additions and 10 deletions
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README.md
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@@ -25,22 +25,28 @@ Say you have nice cozy **shell command** that solves a problem for you. Kapow! l
We want to expose **log entries** for files not found on our **Apache Web Server**, as an HTTP API. With Kapow! we just need to write this file:
[apache-host]$ cat search-apache-errors.pow
kapow route add /apache-errors - <<-'EOF'
cat /var/log/apache2/access.log | grep "File does not exist" | kapow set /response/body
EOF
```bash
[apache-host]$ cat search-apache-errors.pow
kapow route add /apache-errors - <<-'EOF'
cat /var/log/apache2/access.log | grep "File does not exist" | kapow set /response/body
EOF
```
and then, run it using Kapow!
[apache-host]$ kapow server --bind 0.0.0.0:8080 search-apache-errors.pow
```bash
[apache-host]$ kapow server --bind 0.0.0.0:8080 search-apache-errors.pow
```
finally, we can read from the just-defined endpoint:
[another-host]$ curl http://apache-host:8080/apache-errors
[Fri Feb 01 22:07:57.154391 2019] [core:info] [pid 7:tid 140284200093440] [client 172.17.0.1:50756] AH00128: File does not exist: /usr/var/www/mysite/favicon.ico
[Fri Feb 01 22:07:57.808291 2019] [core:info] [pid 8:tid 140284216878848] [client 172.17.0.1:50758] AH00128: File does not exist: /usr/var/www/mysite/favicon.ico
[Fri Feb 01 22:07:57.878149 2019] [core:info] [pid 8:tid 140284208486144] [client 172.17.0.1:50758] AH00128: File does not exist: /usr/var/www/mysite/favicon.ico
...
```bash
[another-host]$ curl http://apache-host:8080/apache-errors
[Fri Feb 01 22:07:57.154391 2019] [core:info] [pid 7:tid 140284200093440] [client 172.17.0.1:50756] AH00128: File does not exist: /usr/var/www/mysite/favicon.ico
[Fri Feb 01 22:07:57.808291 2019] [core:info] [pid 8:tid 140284216878848] [client 172.17.0.1:50758] AH00128: File does not exist: /usr/var/www/mysite/favicon.ico
[Fri Feb 01 22:07:57.878149 2019] [core:info] [pid 8:tid 140284208486144] [client 172.17.0.1:50758] AH00128: File does not exist: /usr/var/www/mysite/favicon.ico
...
```
**Why Kapow! shines in these cases**