From c6f0dd90b74156d2b2140e6183d11bfc5bb70c3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20D=C3=B6rfler?= <niklas@doerfler-el.de>
Date: Sun, 16 Jan 2022 20:23:48 +0100
Subject: [PATCH] Add config defaults + sample config

---
 .github/workflows/release.yml |  2 +-
 config.sample.yaml            | 16 ++++++++++++++++
 server.go                     |  8 +++++++-
 3 files changed, 24 insertions(+), 2 deletions(-)
 create mode 100644 config.sample.yaml

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 82250cb..e902822 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,4 +32,4 @@ jobs:
           goarch: ${{ matrix.goarch }}
           ldflags: "-X 'main.BuildTime=${{ steps.date.outputs.date }}' -X 'main.BuildVersion=${{ github.ref_name }}'"
           binary_name: "weather-exporter"
-          extra_files: README.md LICENSE
+          extra_files: README.md LICENSE config.sample.yaml
diff --git a/config.sample.yaml b/config.sample.yaml
new file mode 100644
index 0000000..222eca5
--- /dev/null
+++ b/config.sample.yaml
@@ -0,0 +1,16 @@
+webserverPort: 8080
+
+jsonExporter:
+  enabled: true
+
+prometheusExporter:
+  enabled: true
+
+influxDbExporter:
+  enabled: false
+  server: 1.2.3.4
+  port: 8086
+  user: user
+  password: password
+  database: database
+  measurement: measurement
diff --git a/server.go b/server.go
index f31c1af..e73fe6b 100644
--- a/server.go
+++ b/server.go
@@ -37,8 +37,14 @@ func loadConfig() {
 	viper.SetConfigName("config")
 	viper.AddConfigPath(".")
 
+	viper.SetDefault("webserverPort", 8080)
+	viper.SetDefault("loglevel", "info")
+	viper.SetDefault("jsonExporter", map[string]interface{}{"enabled": true})
+	viper.SetDefault("prometheusExporter", map[string]interface{}{"enabled": true})
+	viper.SetDefault("influxDbExporter", map[string]interface{}{"enabled": false})
+
 	if err := viper.ReadInConfig(); err != nil {
-		log.Fatalf("Error reading config file, %s", err)
+		log.Warnf("Error reading config file, using default values. %s", err)
 	}
 	err := viper.Unmarshal(&config)
 	if err != nil {