Flag --exlude-path fix (#20)

Makefile

@@ -70,7 +70,7 @@ integration-test: docker_build
   	-keyout ${BUILD_DIR}/out/integration-test/ssl/self-signed-key.pem \
   	-out ${BUILD_DIR}/out/integration-test/ssl/self-signed.pem
 	docker run -d --name node-cert-exporter -v ${BUILD_DIR}/out/integration-test/ssl:/certs -p 9117:9117 amimof/node-cert-exporter:${VERSION} --logtostderr=true --v=4 --path=/certs
-	sleep 5
+	sleep 3
 	curl -s http://127.0.0.1:9117/metrics | grep ssl_certificate_expiry_seconds
 	curl -s http://127.0.0.1:9117/metrics | grep 'issuer="CN=localhost,OU=amimof,O=system:nodes,L=Gothenburg,ST=Vastra Gotalands Lan,C=SE"'
 	curl -s http://127.0.0.1:9117/metrics | grep 'path="/certs/self-signed.pem"'
@@ -79,6 +79,13 @@ integration-test: docker_build
 	curl -s http://127.0.0.1:9117/metrics | grep 'email_addresses=""'
 	docker kill node-cert-exporter
 	docker rm node-cert-exporter
+	docker run -d --name node-cert-exporter -v ${BUILD_DIR}/out/integration-test/ssl:/certs -p 9117:9117 amimof/node-cert-exporter:${VERSION} --logtostderr=true --v=4 --path=/certs --exclude-path=/certs
+	sleep 3
+	if [ "`curl -s http://127.0.0.1:9117/metrics | grep ssl_certificate_expiry_seconds`" != "" ]; then \
+		exit 1; \
+	fi
+	docker kill node-cert-exporter
+	docker rm node-cert-exporter
 
 linux: dep
 	CGO_ENABLED=0 GOOS=linux GOARCH=${GOARCH} go build ${LDFLAGS} -o ${BUILD_DIR}/out/${BINARY}-linux-${GOARCH} cmd/node-cert-exporter/main.go

pkg/exporter/exporter.go

@@ -22,7 +22,7 @@ func findCertPaths(p string, exPaths []string) ([]string, error) {
 		if len(exPaths) > 0 {
 			for _, exPath := range exPaths {
 				if strings.Contains(filepath.Dir(path), exPath) || path == exPath {
-					continue
+					return nil
 				}
 			}
 		}