Ignore replication endpoint if it doesn't exist (#51)

.gitignore

@@ -5,3 +5,4 @@
 *.tar.gz
 *.test
 *-stamp
+artifactory_exporter

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.13 as build
+FROM golang:1.15 as build
 
 WORKDIR /go/artifactory_exporter
 ADD . /go/artifactory_exporter

artifactory/replication.go

@@ -29,6 +29,9 @@ func (c *Client) FetchReplications() ([]Replication, error) {
 	level.Debug(c.logger).Log("msg", "Fetching replications stats")
 	resp, err := c.FetchHTTP(replicationEndpoint)
 	if err != nil {
+		if err.(*APIError).status == 404 {
+			return replications, nil
+		}
 		return nil, err
 	}
 	if err := json.Unmarshal(resp, &replications); err != nil {

artifactory/utils.go

@@ -37,6 +37,24 @@ func (c *Client) FetchHTTP(path string) ([]byte, error) {
 	}
 	defer resp.Body.Close()
 
+	if resp.StatusCode == 404 {
+		var apiErrors APIErrors
+		bodyBytes, _ := ioutil.ReadAll(resp.Body)
+		if err := json.Unmarshal(bodyBytes, &apiErrors); err != nil {
+			level.Error(c.logger).Log("msg", "There was an error when trying to unmarshal the API Error", "err", err)
+			return nil, &UnmarshalError{
+				message:  err.Error(),
+				endpoint: fullPath,
+			}
+		}
+		level.Warn(c.logger).Log("msg", "The endpoint does not exist", "endpoint", fullPath, "err", fmt.Sprintf("%v", apiErrors.Errors), "status", 404)
+		return nil, &APIError{
+			message:  fmt.Sprintf("%v", apiErrors.Errors),
+			endpoint: fullPath,
+			status:   404,
+		}
+	}
+
 	if !(resp.StatusCode >= 200 && resp.StatusCode < 300) {
 		var apiErrors APIErrors
 		bodyBytes, _ := ioutil.ReadAll(resp.Body)

go.mod

@@ -1,14 +1,11 @@
 module github.com/peimanja/artifactory_exporter
 
-go 1.12
+go 1.15
 
 require (
 	github.com/go-kit/kit v0.9.0
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/prometheus/client_golang v1.3.0
 	github.com/prometheus/common v0.7.0
-	github.com/sirupsen/logrus v1.4.2
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 )

go.sum

@@ -19,20 +19,24 @@ github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0 h1:MP4Eh7ZCb31lleYCFuwm0oe4/YGak+5l1vA2NOE80nA=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
+github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/kelseyhightower/envconfig v1.4.0 h1:Im6hONhd3pLkfDFsbRgu68RDNkGF1r3dvMUtDTo2cv8=
 github.com/kelseyhightower/envconfig v1.4.0/go.mod h1:cccZRl6mQpaq41TPp5QxidR+Sa3axMbJDNb//FQX6Gg=
+github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515 h1:T+h1c/A9Gawja4Y9mFVWj2vyii2bbUNDw3kt9VxK2EY=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=