1 files changed, 20 insertions, 0 deletions
diff --git a/internal/config/env.go b/internal/config/env.go
index 88b831d..804a10a 100644
--- a/internal/config/env.go
+++ b/internal/config/env.go
@@ -2,6 +2,26 @@ 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"
+	}
+}