push_utils.go

Copyright 2021 Red Hat, Inc

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

 
package
 
push

Documentation in literate-programming-style is available at: https://redhatinsights.github.io/insights-operator-utils/packages/metrics/push/push_utils.html

 


import
 
(

	
"net/http"


	
"github.com/prometheus/client_golang/prometheus"

	
"github.com/prometheus/client_golang/prometheus/push"


)

metricsPusher let us mock the pushCollectors function

 
type
 
metricsPusher
 
interface
 
{

	
Push
(
)
 
error

	
Client
(
c
 
push
.
HTTPDoer
)
 
*
push
.
Pusher

	
Collector
(
c
 
prometheus
.
Collector
)
 
*
push
.
Pusher


}

pushCollectors pushes the metrics using a metricsPusher interface

 
func
 
pushCollectors
(
p
 
metricsPusher
,
 
gatewayAuthToken
 
string
,
 
collectors
 
[
]
prometheus
.
Collector
)
 
error
 
{

	
client
 
:=
 
GatewayClient
{

		
AuthToken
:
  
gatewayAuthToken
,

		
HTTPClient
:
 
http
.
Client
{
}
,

	
}

	
for
 
_
,
 
collector
 
:=
 
range
 
collectors
 
{

		
p
.
Collector
(
collector
)

	
}

	
p
.
Client
(
&
client
)

	
return
 
p
.
Push
(
)


}