Merge pull request #1 from ContaAzul/init

Initial structure
ContaAzul · Nov 21, 2017 · 72a0038 · 72a0038
2 parents aa49bcb + a322963
commit 72a0038
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Showing 6 changed files with 125 additions and 9 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,14 +1,9 @@
-# Binaries for programs and plugins
-*.exe
-*.dll
-*.so
-*.dylib
-
 # Test binary, build with `go test -c`
 *.test
 
-# Output of the go coverage tool, specifically when used with LiteIDE
+# Output of the go coverage tool
 *.out
 
-# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
-.glide/
+# Project specific
+vendor
+newrelic_exporter
diff --git a/Dockerfile b/Dockerfile
@@ -0,0 +1,5 @@
+FROM scratch
+EXPOSE 9112
+WORKDIR /
+COPY newrelic_exporter .
+ENTRYPOINT ["./newrelic_exporter"]
diff --git a/Gopkg.lock b/Gopkg.lock
diff --git a/Gopkg.toml b/Gopkg.toml
diff --git a/README.md b/README.md
@@ -1,2 +1,22 @@
 # newrelic_exporter
+
 Exports New Relic applications metrics data as prometheus metrics.
+
+### Running
+
+```console
+./newrelic_exporter --api-key=${NEWRELIC_API_KEY}
+```
+
+Or with docker:
+
+```console
+docker run -p 9112:9112 -e "NEWRELIC_API_KEY=${NEWRELIC_API_KEY}" caninjas/newrelic_exporter
+```
+
+### Flags
+
+Name    | Description
+--------|---------------------------------------------
+addr    | Address to bind the server (default :9112)
+api-key | Your New Relic API key (required)
diff --git a/main.go b/main.go
@@ -0,0 +1,45 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/prometheus/common/log"
+	"gopkg.in/alecthomas/kingpin.v2"
+)
+
+var (
+	version = "dev"
+	addr    = kingpin.Flag("addr", "Address to bind the server").Default(":9112").OverrideDefaultFromEnvar("SERVER_ADDR").String()
+	apiKey  = kingpin.Flag("api-key", "New Relic API key").OverrideDefaultFromEnvar("NEWRELIC_API_KEY").String()
+)
+
+func main() {
+	kingpin.Version(version)
+	kingpin.HelpFlag.Short('h')
+	kingpin.Parse()
+
+	log.Info("Starting newrelic_exporter ", version)
+
+	if *apiKey == "" {
+		log.Fatal("You must provide your New Relic API key")
+	}
+
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w,
+			`
+			<html>
+			<head><title>NewRelic Exporter</title></head>
+			<body>
+				<h1>NewRelic Exporter</h1>
+				<p><a href="/metrics">Metrics</a></p>
+			</body>
+			</html>
+			`)
+	})
+
+	log.Infof("Server listening on %s", *addr)
+	if err := http.ListenAndServe(*addr, nil); err != nil {
+		log.Fatalf("Error starting server: %s", err)
+	}
+}