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package config
import "os"
// Env returns true when a given environment variable is set to "yes".
func Env(env string) bool {
return "yes" == os.Getenv(env)
}
// Hostname returns the current hostname. It can be overriden with
// DTAIL_HOSTNAME_OVERRIDE environment variable (useful for integration tests).
func Hostname() (string, error) {
hostname := os.Getenv("DTAIL_HOSTNAME_OVERRIDE")
if len(hostname) > 0 {
return hostname, nil
}
return os.Hostname()
}
// SSHKnownHostsFile returns the known hosts file path (useful for integration tests)
func SSHKnownHostsFile() string {
if len(os.Getenv("DTAIL_SSH_KNOWN_HOSTS_FILE")) > 0 {
return os.Getenv("DTAIL_SSH_KNOWN_HOSTS_FILE")
} else {
return os.Getenv("HOME") + "/.ssh/known_hosts"
}
}
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