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Re: How to use curl to check if service is down?
From: |
Anthony Ettinger |
Subject: |
Re: How to use curl to check if service is down? |
Date: |
Mon, 27 Jun 2022 02:04:39 -0700 |
I’m just hitting the index api page which returns some static json. If the api
crashes that would not return a 200. Usually systemd restarts it but not
always.
-
Anthony
(408) 656-2473
> On Jun 26, 2022, at 11:15 PM, Lutz Mader <lutz.mader@freenet.de> wrote:
>
> Hello Anthony,
> as long as you are sure the http status is 200, you can use this.
>
>> This is what I have now, but I don't know if its correct:
>>
>> check host grazily.com with address grazily.com
>> start program = "/bin/systemctl start grazily-api"
>> stop program = "/bin/systemctl stop grazily-api"
>>
>> if failed
>> port 443 protocol http and request "/api/1" method GET
>> status != 200
>> then restart
>
> Unfortunately, in general you will get some other status codes too, but
> this depends to your application.
> I use an addition "... with timeout 30 seconds retry 5 then" to prevent
> restart problems. And for "ssl" connections you can use "... and
> certificate valid > 30 days ..." too.
>
> if failed
> port 443 protocol http and request "/api/1" method GET
> status != 200
> with timeout 30 seconds retry 5
> then restart
>
> See https://mmonit.com/monit/documentation/monit.html#HTTP
>
> With regards,
> Lutz
>