Thanks, Marcelo. On Tue, Mar 23, 2021 at 2:45 PM Julius Volz <[email protected]> wrote:
> Thanks for clarifying, Marcelo! Having never used the regex matching > myself, I also wasn't 100% sure about that :) > > On Mon, Mar 22, 2021 at 10:18 PM Marcelo Magallón < > [email protected]> wrote: > >> blackbox_exporter applies the provided regular expression against the >> entire body. >> >> This means in particular that if your body is something like ['O', 'K', >> '\n'] (O, followed by K, followed by a carriage return), the regular >> expression '^OK$' WILL NOT match because '$' anchors it to the end of the >> body, not the end of the line. >> >> In order to match lines, not the whole body, you have to write >> '(?m:^OK$)'. This will match 'OK' on a line by its own, but not say NOK on >> a line by its own. It will also match on a body like >> 'Something\nOK\nsomething\n'. >> >> I hope this helps, >> >> Marcelo >> >> On Mon, Mar 22, 2021 at 1:54 PM Yagyansh S. Kumar < >> [email protected]> wrote: >> >>> Hi Julius, >>> >>> Using the expression "^OK$" leads to the failure of all the checks for >>> which response was OK. This seems weird to me. Ideally, should have worked. >>> Any more workarounds or suggestions to achieve this? >>> >>> On Mon, Mar 22, 2021 at 9:38 PM Yagyansh S. Kumar < >>> [email protected]> wrote: >>> >>>> Thanks, Julius. >>>> >>>> On Mon, Mar 22, 2021 at 6:50 PM Julius Volz <[email protected]> >>>> wrote: >>>> >>>>> Hi, >>>>> >>>>> the Blackbox exporter doesn't do full-string matching for these >>>>> regexes, but substring matching, so it also matches if the body contains >>>>> "OK" anywhere (which is true for "NOK"). Try '^OK$` instead? >>>>> >>>>> Also, in case your HTTP endpoint returns a status code other than 2xx, >>>>> you will have to set the "valid_status_codes" list to the allowed ones (it >>>>> defaults to 2xx). >>>>> >>>>> Regards, >>>>> Julius >>>>> >>>>> On Mon, Mar 22, 2021 at 9:03 AM [email protected] < >>>>> [email protected]> wrote: >>>>> >>>>>> Can someone please help! I am confused here. >>>>>> >>>>>> On Monday, March 15, 2021 at 12:20:03 PM UTC+5:30 >>>>>> [email protected] wrote: >>>>>> >>>>>>> >>>>>>> Hi. I am using blackbox_exporter version 0.18.0 and I am using http >>>>>>> prober to check if the response by my URL is "OK" or not. Below is the >>>>>>> configuration of the module. >>>>>>> >>>>>>> http_healthcheck_ok: >>>>>>> prober: http >>>>>>> timeout: 10s >>>>>>> http: >>>>>>> valid_http_versions: ["HTTP/1.1", "HTTP/2.0", "HTTP/1.0"] >>>>>>> * fail_if_body_not_matches_regexp: ['OK']* >>>>>>> method: GET >>>>>>> no_follow_redirects: false >>>>>>> fail_if_ssl: false >>>>>>> fail_if_not_ssl: false >>>>>>> tls_config: >>>>>>> insecure_skip_verify: true >>>>>>> preferred_ip_protocol: "ip4" >>>>>>> >>>>>>> So, whenever my URL throws anything other than OK in the response >>>>>>> body, probe_failed_due_to_regex should 1 right? But when the URL was >>>>>>> throwing *NOK *as the response body, probe_failed_due_to_regex was >>>>>>> still 0, whereas it should be 1. Am I missing something here? >>>>>>> >>>>>>> Thanks in advance! >>>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Prometheus Users" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/prometheus-users/e6db4504-48e6-4ad9-a640-1e63dc6e472en%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/prometheus-users/e6db4504-48e6-4ad9-a640-1e63dc6e472en%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> >>>>> >>>>> -- >>>>> Julius Volz >>>>> PromLabs - promlabs.com >>>>> >>>> >>>> >>>> -- >>>> Thanks & Regards >>>> Yagyansh S. Kumar >>>> DevOps Engineer, Dailyhunt - Bangalore >>>> 8696078312,8209496395 >>>> >>> >>> >>> -- >>> Thanks & Regards >>> Yagyansh S. Kumar >>> DevOps Engineer, Dailyhunt - Bangalore >>> 8696078312,8209496395 >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Prometheus Users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/prometheus-users/CAFGi5vArLJ1m-2Huui6P50N6HFdwztTDw7m0-bC8fGhiV9q0fg%40mail.gmail.com >>> <https://groups.google.com/d/msgid/prometheus-users/CAFGi5vArLJ1m-2Huui6P50N6HFdwztTDw7m0-bC8fGhiV9q0fg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> >> >> -- >> Marcelo Magallón >> > > > -- > Julius Volz > PromLabs - promlabs.com > -- Thanks & Regards Yagyansh S. Kumar DevOps Engineer, Dailyhunt - Bangalore 8696078312,8209496395 -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/CAFGi5vC22N41J8n5U7UhuCgx9f2-QLU-h_Bon%3D6mo%2BiQAp49ow%40mail.gmail.com.
