X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=cmd%2Fsafcm%2Fconfig%2Fhosts.go;h=05924df585169b248369553c060016964007e91a;hb=HEAD;hp=cf750cbc0024c7381142ae5852d640b60046fecc;hpb=f2f2bc47e8729548f3c10117f7f008b547c4afc5;p=safcm%2Fsafcm.git

diff --git a/cmd/safcm/config/hosts.go b/cmd/safcm/config/hosts.go
index cf750cb..05924df 100644
--- a/cmd/safcm/config/hosts.go
+++ b/cmd/safcm/config/hosts.go
@@ -1,25 +1,14 @@
 // Config: parse hosts.yaml
 
-// Copyright (C) 2021  Simon Ruderich
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (C) 2021-2024  Simon Ruderich
 
 package config
 
 import (
 	"fmt"
 	"os"
+	"strings"
 
 	"gopkg.in/yaml.v2"
 )
@@ -31,6 +20,8 @@ type Hosts struct {
 
 type Host struct {
 	Name string `yaml:"name"`
+
+	SshUser string `yaml:"ssh_user"`
 }
 
 func LoadHosts() (*Hosts, error) {
@@ -48,6 +39,28 @@ func LoadHosts() (*Hosts, error) {
 
 	hostMap := make(map[string]*Host)
 	for _, x := range hostList {
+		errPrefix := fmt.Sprintf("%s: host %q:", path, x.Name)
+		if x.Name == GroupAll {
+			return nil, fmt.Errorf(
+				"%s conflict with pre-defined group %q",
+				errPrefix, x.Name)
+		}
+		if strings.HasPrefix(x.Name, GroupDetectedPrefix) {
+			return nil, fmt.Errorf(
+				"%s name must not start with %q "+
+					"(reserved for detected groups)",
+				errPrefix, GroupDetectedPrefix)
+		}
+		if strings.Contains(x.Name, GroupSpecialSeparator) {
+			return nil, fmt.Errorf(
+				"%s name must not contain %q",
+				errPrefix, GroupSpecialSeparator)
+		}
+
+		if hostMap[x.Name] != nil {
+			return nil, fmt.Errorf("%s host name already exists",
+				errPrefix)
+		}
 		hostMap[x.Name] = x
 	}