Allow glob of --host and --yaml; cut release 1.2.1

README.md

@@ -56,11 +56,11 @@ make build
 
 ```bash
 # Backup all devices (multiple YAML files are automatically merged)
-ipng-router-backup --yaml 00-device-types.yaml --yaml config.yaml --output-dir /backup
+ipng-router-backup --yaml "00-*.yaml" --yaml config.yaml --output-dir /backup
 
 # Backup specific devices
 ipng-router-backup --yaml 00-device-types.yaml --yaml config.yaml --output-dir /backup \
-                   --host asw100
+                   --host "asw*"
 ```
 
 3. **Check output**:

debian/changelog

@@ -1,3 +1,11 @@
+ipng-router-backup (1.2.1) stable; urgency=low
+
+  * Add glob pattern support for --yaml flag (e.g., --yaml "*.yaml")
+  * Add glob pattern support for --host flag (e.g., --host "asw*")
+  * Update documentation with glob pattern examples
+
+ -- Pim van Pelt <pim@ipng.ch>  Sun, 07 Jul 2025 21:00:00 +0100
+
 ipng-router-backup (1.2.0) stable; urgency=low
 
   * Add atomic file operations with .new suffix for backup reliability

docs/DETAILS.md

@@ -79,16 +79,20 @@ Files are merged automatically using mergo. Later files override earlier ones:
 ```bash
 # Load multiple files - later files override earlier ones
 ipng-router-backup --yaml 00-device-types.yaml --yaml config.yaml --yaml overrides.yaml
+
+# Load files using glob patterns
+ipng-router-backup --yaml "*.yaml"
+ipng-router-backup --yaml "config/*.yaml"
 ```
 
 ## Command Line Usage
 
 ### Required Flags
-- **`--yaml`**: Path to YAML configuration file(s) (can be repeated)
+- **`--yaml`**: Path to YAML configuration file(s) or glob patterns (can be repeated)
 
 ### Optional Flags
 - **`--output-dir`**: Output directory (default: `/tmp`)
-- **`--host`**: Specific hostname(s) to process (can be repeated)
+- **`--host`**: Specific hostname(s) or glob patterns to process (can be repeated)
 - **`--password`**: SSH password
 - **`--key-file`**: SSH private key file path
 - **`--port`**: SSH port (default: `22`)
@@ -96,14 +100,14 @@ ipng-router-backup --yaml 00-device-types.yaml --yaml config.yaml --yaml overrid
 ### Examples
 
 ```bash
-# Basic usage
-ipng-router-backup --yaml config.yaml
+# Basic usage with glob patterns
+ipng-router-backup --yaml "*.yaml"
 
 # Multiple files
 ipng-router-backup --yaml 00-device-types.yaml --yaml config.yaml
 
-# Specific devices only
-ipng-router-backup --yaml config.yaml --host asw100 --host core-01
+# Devices matching patterns
+ipng-router-backup --yaml config.yaml --host "asw*" --host "*switch*"
 
 # Custom output directory
 ipng-router-backup --yaml config.yaml --output-dir /backup/network

docs/ipng-router-backup.1

@@ -18,7 +18,7 @@ The tool supports multiple device types with predefined command sets, SSH agent
 .SH OPTIONS
 .TP
 .BR --yaml " \fICONFIG_FILE\fR"
-YAML configuration file(s) (required)
+YAML configuration file(s) or glob patterns (required)
 .TP
 .BR --output-dir " \fIDIRECTORY\fR"
 Output directory for command output files (default: /tmp)
@@ -33,7 +33,7 @@ SSH private key file path
 SSH port number (default: 22)
 .TP
 .BR --host " \fIHOSTNAME\fR"
-Specific host(s) to process (can be repeated, processes all if not specified)
+Specific host(s) or glob patterns to process (can be repeated, processes all if not specified)
 .TP
 .BR --help
 Show help message
@@ -72,9 +72,9 @@ Password authentication (--password option)
 For each device, a text file named after the hostname is created in the specified directory. Each command output is prefixed with "## COMMAND: <command_name>" for easy identification.
 .SH EXAMPLES
 .TP
-Basic usage:
+Basic usage with glob patterns:
 .EX
-ipng-router-backup --yaml /etc/ipng-router-backup/*.yaml
+ipng-router-backup --yaml "*.yaml"
 .EE
 .TP
 Custom output directory:
@@ -87,9 +87,9 @@ Using password authentication:
 ipng-router-backup --yaml config.yaml --password mysecretpass
 .EE
 .TP
-Process specific hosts only:
+Process hosts matching patterns:
 .EX
-ipng-router-backup --yaml config.yaml --host asw100 --host asw120
+ipng-router-backup --yaml config.yaml --host "asw*" --host "*switch*"
 .EE
 .SH FILES
 .TP

src/main.go

@@ -6,11 +6,12 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"path/filepath"
 
 	"github.com/spf13/cobra"
 )
 
-const Version = "1.2.0"
+const Version = "1.2.1"
 
 // Config and SSH types are now in separate packages
 
@@ -36,8 +37,21 @@ func main() {
 		Run: func(cmd *cobra.Command, args []string) {
 			fmt.Printf("IPng Networks Router Backup v%s\n", Version)
 
+			// Expand glob patterns in YAML files
+			var expandedYamlFiles []string
+			for _, pattern := range yamlFiles {
+				matches, err := filepath.Glob(pattern)
+				if err != nil {
+					log.Fatalf("Invalid glob pattern '%s': %v", pattern, err)
+				}
+				if len(matches) == 0 {
+					log.Fatalf("No files matched pattern '%s'", pattern)
+				}
+				expandedYamlFiles = append(expandedYamlFiles, matches...)
+			}
+
 			// Load configuration
-			cfg, err := ConfigRead(yamlFiles)
+			cfg, err := ConfigRead(expandedYamlFiles)
 			if err != nil {
 				log.Fatalf("Failed to load config: %v", err)
 			}
@@ -63,11 +77,16 @@ func main() {
 			devicesToProcess := cfg.Devices
 			if len(hostFilter) > 0 {
 				devicesToProcess = make(map[string]Device)
-				for _, hostname := range hostFilter {
-					if deviceConfig, exists := cfg.Devices[hostname]; exists {
+				for _, pattern := range hostFilter {
+					patternMatched := false
+					for hostname, deviceConfig := range cfg.Devices {
+						if matched, _ := filepath.Match(pattern, hostname); matched {
 							devicesToProcess[hostname] = deviceConfig
-					} else {
-						fmt.Printf("Warning: Host '%s' not found in config file\n", hostname)
+							patternMatched = true
+						}
+					}
+					if !patternMatched {
+						fmt.Printf("Warning: Host pattern '%s' did not match any devices\n", pattern)
 					}
 				}
 			}