Move
g1 = Gauge('ldap_query_success', 'LDAP query command', ['ldap_uri',
'ldap_search_base'], registry=registry)
before the loop - you don't want to initialize it each time.
On Monday, August 8, 2022 at 7:00:42 AM UTC-4 [email protected] wrote:
> Thank you I have resolved the issue.
>
> I also tried to use the interfaces to create and record the metrics. I
> have tested with following codes and found that the value of the metrcis
> will be overrided by the last value of the metrics.
>
> For example:
> real situation is:
> service1 -> ldap_query_success{...} 0
> service2 -> ldap_query_success{...} 0
> service3 -> ldap_query_success{...} 1
>
> but with the following codes:
> service1 -> ldap_query_success{...} 1
> service2 -> ldap_query_success{...} 1
> service3 -> ldap_query_success{...} 1
>
>
>
> from prometheus_client import Gauge, write_to_textfile, CollectorRegistry
>
> for service in services:
> g1 = Gauge('ldap_query_success', 'LDAP query command', ['ldap_uri',
> 'ldap_search_base'], registry=registry)
> g1.labels(service,ldap_search_base,ldap_default_bind_dn).set(query_check)
> write_to_textfile("/var/log
> node_exporter/filecollector/ldap_query.prom", registry)
>
>
>
> On Monday, August 8, 2022 at 5:31:29 PM UTC+8 Stuart Clark wrote:
>
>> On 08/08/2022 09:58, nina guo wrote:
>> > But the following 3 lines should be appended to a file first, then
>> > next time override the old content. But how to make the old content be
>> > overried by previous ones?
>> >
>> > print (" # HELP ldap_query_success LDAP query command",
>> > file=open("/var/log/node_exporter/filecollector/ldap_query.prom",
>> "a+"))
>> > print (" # TYPE ldap_query_success gauge",
>> > file=open("/var/log/node_exporter/filecollector/ldap_query.prom",
>> "a+"))
>> > print
>> >
>> ('ldap_query_success'+'{'+'ldap_uri'+'='+service+','+'ldap_search_base'+'='+ldap_search_base+','+'}
>>
>>
>> > '+str(query_check),
>> > file=open("/var/log/node_exporter/filecollector/ldap_query.prom",
>> "a+"))
>> >
>> File mode "a" will open for appending (so preserve anything already in
>> the file). Instead to fully replace the file you'd need to use file mode
>> "w".
>>
>> --
>> Stuart Clark
>>
>>
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