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perxis
perxis-go
Commits
d5f1daad
Commit
d5f1daad
authored
1 year ago
by
ensiouel
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добавлена обертка для Cache, которая собирает метрики
parent
93764675
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pkg/cache/metrics_cache.go
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pkg/cache/metrics_cache.go
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d5f1daad
package
cache
import
(
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
var
(
cacheRequestsTotal
=
promauto
.
With
(
prometheus
.
DefaultRegisterer
)
.
NewCounterVec
(
prometheus
.
CounterOpts
{
Name
:
"cache_requests_total"
,
Help
:
"Количество обращений к кэшу"
,
},
[]
string
{
"cache_id"
})
cacheHitsTotal
=
promauto
.
With
(
prometheus
.
DefaultRegisterer
)
.
NewCounterVec
(
prometheus
.
CounterOpts
{
Name
:
"cache_hits_total"
,
Help
:
"Количество попаданий в кэш"
,
},
[]
string
{
"cache_id"
})
cacheMissesTotal
=
promauto
.
With
(
prometheus
.
DefaultRegisterer
)
.
NewCounterVec
(
prometheus
.
CounterOpts
{
Name
:
"cache_misses_total"
,
Help
:
"Количество пропусков в кэш"
,
},
[]
string
{
"cache_id"
})
)
var
_
Cache
=
&
MetricsCache
{}
type
MetricsCache
struct
{
cacheID
string
cache
Cache
}
func
WrapMetrics
(
cacheID
string
,
cache
Cache
)
*
MetricsCache
{
return
&
MetricsCache
{
cacheID
:
cacheID
,
cache
:
cache
,
}
}
func
(
c
*
MetricsCache
)
Set
(
key
,
value
any
)
error
{
return
c
.
cache
.
Set
(
key
,
value
)
}
func
(
c
*
MetricsCache
)
Get
(
key
any
)
(
any
,
error
)
{
cacheRequestsTotal
.
WithLabelValues
(
c
.
cacheID
)
.
Inc
()
value
,
err
:=
c
.
cache
.
Get
(
key
)
if
err
!=
nil
{
cacheMissesTotal
.
WithLabelValues
(
c
.
cacheID
)
.
Inc
()
return
nil
,
err
}
cacheHitsTotal
.
WithLabelValues
(
c
.
cacheID
)
.
Inc
()
return
value
,
nil
}
func
(
c
*
MetricsCache
)
Remove
(
key
any
)
error
{
return
c
.
cache
.
Remove
(
key
)
}
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