func LoadEmptyConfig() {
var logWriter io.Writer
logWriter = os.Stdout
Config = CachetConfig{}
if len(os.Getenv("CACHET_API")) > 0 {
Config.APIUrl = os.Getenv("CACHET_API")
}
if len(os.Getenv("CACHET_TOKEN")) > 0 {
Config.APIToken = os.Getenv("CACHET_TOKEN")
}
Config.SystemName = system.GetHostname()
flags := log.Llongfile | log.Ldate | log.Ltime
if len(os.Getenv("DEVELOPMENT")) > 0 {
flags = 0
}
Logger = log.New(logWriter, "", flags)
}
func LoadCachetConfigClassic() {
var configPath string
var systemName string
var logPath string
flag.StringVar(&configPath, "c", "/etc/cachet-monitor.config.json", "Config path")
flag.StringVar(&systemName, "name", "", "System Name")
flag.StringVar(&logPath, "log", "", "Log path")
flag.Parse()
var data []byte
// test if its a url
url, err := url.ParseRequestURI(configPath)
if err == nil && len(url.Scheme) > 0 {
// download config
response, err := http.Get(configPath)
if err != nil {
fmt.Printf("Cannot download network config: %v\n", err)
os.Exit(1)
}
defer response.Body.Close()
data, _ = ioutil.ReadAll(response.Body)
fmt.Println("Downloaded network configuration.")
} else {
data, err = ioutil.ReadFile(configPath)
if err != nil {
fmt.Println("Config file '" + configPath + "' missing!")
os.Exit(1)
}
}
err = json.Unmarshal(data, &Config)
if err != nil {
fmt.Println("Cannot parse config!")
os.Exit(1)
}
if len(systemName) > 0 {
Config.SystemName = systemName
}
if len(Config.SystemName) == 0 {
// get hostname
Config.SystemName = system.GetHostname()
}
if len(os.Getenv("CACHET_API")) > 0 {
Config.APIUrl = os.Getenv("CACHET_API")
}
if len(os.Getenv("CACHET_TOKEN")) > 0 {
Config.APIToken = os.Getenv("CACHET_TOKEN")
}
if len(Config.APIToken) == 0 || len(Config.APIUrl) == 0 {
fmt.Printf("API URL or API Token not set. cachet-monitor won't be able to report incidents.\n\nPlease set:\n CACHET_API and CACHET_TOKEN environment variable to override settings.\n\nGet help at https://github.com/CastawayLabs/cachet-monitor\n")
os.Exit(1)
}
if len(Config.Monitors) == 0 {
fmt.Printf("No monitors defined!\nSee sample configuration: https://github.com/CastawayLabs/cachet-monitor/blob/master/example.config.json\n")
os.Exit(1)
}
if len(logPath) > 0 {
Config.LogPath = logPath
}
var logWriter io.Writer
logWriter = os.Stdout
if len(Config.LogPath) > 0 {
logWriter, err = os.Create(Config.LogPath)
if err != nil {
fmt.Printf("Unable to open file '%v' for logging\n", Config.LogPath)
os.Exit(1)
}
}
flags := log.Llongfile | log.Ldate | log.Ltime
if len(os.Getenv("DEVELOPMENT")) > 0 {
flags = 0
}
Logger = log.New(logWriter, "", flags)
}