start on api

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

config/config.go

@@ -0,0 +1,7 @@
+package config
+
+// Config is the top level configuration
+type Config struct {
+	ListenAddr    string
+	EnableMetrics bool
+}

config/utils.go

@@ -0,0 +1,15 @@
+package config
+
+import (
+	"github.com/BurntSushi/toml"
+)
+
+// ParseConfig returns a Config object from a raw string config TOML
+func ParseConfig(data string) (*Config, error) {
+	var cfg Config
+	if _, err := toml.Decode(data, &cfg); err != nil {
+		return nil, err
+	}
+
+	return &cfg, nil
+}

config/utils_test.go

@@ -0,0 +1,22 @@
+package config
+
+import (
+	"testing"
+)
+
+var (
+	sampleConfig = `
+ListenAddr = ":8080"
+`
+)
+
+func TestParseConfig(t *testing.T) {
+	cfg, err := ParseConfig(sampleConfig)
+	if err != nil {
+		t.Fatalf("error parsing config: %s", err)
+	}
+
+	if cfg.ListenAddr != ":8080" {
+		t.Fatalf("expected listen addr :8080; received %s", cfg.ListenAddr)
+	}
+}