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Merge pull request #10889 from cjcullen/tokenMetrics

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Add prometheus metrics for altTokenSource.
This commit is contained in:
Victor Marmol 2015-07-08 16:13:38 -07:00
commit f427b997ca
1 changed files with 30 additions and 0 deletions
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30
pkg/cloudprovider/gce/token_source.go
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@ -24,6 +24,7 @@ import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/util" "github.com/GoogleCloudPlatform/kubernetes/pkg/util"
"code.google.com/p/google-api-go-client/googleapi" "code.google.com/p/google-api-go-client/googleapi"
"github.com/prometheus/client_golang/prometheus"
"golang.org/x/oauth2" "golang.org/x/oauth2"
"golang.org/x/oauth2/google" "golang.org/x/oauth2/google"
) )
@ -35,6 +36,26 @@ const (
tokenURLBurst = 3 tokenURLBurst = 3
) )
var (
getTokenCounter = prometheus.NewCounter(
prometheus.CounterOpts{
Name: "get_token_count",
Help: "Counter of total Token() requests to the alternate token source",
},
)
getTokenFailCounter = prometheus.NewCounter(
prometheus.CounterOpts{
Name: "get_token_fail_count",
Help: "Counter of failed Token() requests to the alternate token source",
},
)
)
func init() {
prometheus.MustRegister(getTokenCounter)
prometheus.MustRegister(getTokenFailCounter)
}
type altTokenSource struct { type altTokenSource struct {
oauthClient *http.Client oauthClient *http.Client
tokenURL string tokenURL string
@ -43,6 +64,15 @@ type altTokenSource struct {
func (a *altTokenSource) Token() (*oauth2.Token, error) { func (a *altTokenSource) Token() (*oauth2.Token, error) {
a.throttle.Accept() a.throttle.Accept()
getTokenCounter.Inc()
t, err := a.token()
if err != nil {
getTokenFailCounter.Inc()
}
return t, err
}
func (a *altTokenSource) token() (*oauth2.Token, error) {
req, err := http.NewRequest("GET", a.tokenURL, nil) req, err := http.NewRequest("GET", a.tokenURL, nil)
if err != nil { if err != nil {
return nil, err return nil, err