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57 lines
2.7 KiB
Markdown
57 lines
2.7 KiB
Markdown
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# Luzifer / webcheck
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`webcheck` is a CLI tool to check the health of a web page. It was written because there are quite a lot of GUI tools or services to monitor websites but I did not find any tool to execute on the CLI to to an ad-hoc monitoring of a page. To fix this I wrote this tool.
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`webcheck` is used to check:
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- HTTP status code 2xx
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- Regular expression match on the response body
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- Response within a certain timeout
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- Response times (only display, no checking)
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If the request is marked as a `FAIL` all headers and the response body are written into a log file to be debugged manually. This can for example be helpful if your webserver delivers weird responses on certain requests and you are using `webcheck` to find them.
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## Installation
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You either can download a pre-compiled binary for you system from the [Releases](https://github.com/Luzifer/webcheck/releases) section of this repository or if you do have a working Go environment you can just `go install github.com/Luzifer/webcheck@latest` the tool.
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## Usage
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```console
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$ webcheck --help
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Usage of webcheck:
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-i, --interval duration Check interval (default 1s)
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-l, --log-dir string Directory to log non-matched requests to (default "/tmp/resp-log/")
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--log-level string Log level (debug, info, warn, error, fatal) (default "info")
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--log-retention duration When to clean up file from log-dir (default 24h0m0s)
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-m, --match string RegExp to match the response body against to validate it (default ".*")
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--no-log Disable response body logging
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-t, --timeout duration Timeout for the request (default 30s)
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-u, --url string URL to query
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--version Prints current version and exits
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```
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### Example
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```console
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$ webcheck -u https://bfa1c797.eu.ngrok.io/monitoring.txt -m healthy
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[Mon, 23 Jul 2018 16:07:02 CEST] (OKAY) Status was 200 and text matched (13.331ms/14.229ms/115.599ms)
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[Mon, 23 Jul 2018 16:07:16 CEST] (FAIL) Response body does not match regexp (13.314ms/14.229ms/15.316ms) (Resp: request-log/request827008143)
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[Mon, 23 Jul 2018 16:07:21 CEST] (OKAY) Status was 200 and text matched (13.411ms/14.436ms/18.25ms)
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[Mon, 23 Jul 2018 16:07:28 CEST] (FAIL) Status code was != 2xx: 404 (6.923ms/7.011ms/7.237ms) (Resp: request-log/request070057634)
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$ cat request-log/request827008143
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Accept-Ranges: bytes
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Content-Length: 4
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Content-Type: text/plain; charset=utf-8
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Date: Mon, 23 Jul 2018 14:07:16 GMT
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Last-Modified: Mon, 23 Jul 2018 14:07:15 GMT
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foo
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```
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