Container Manager Global Configuration Guide¶

This document describes the global configuration file (container-manager.json) used by Container Manager.

Overview¶

The Container Manager Configuration File (container-manager.json) contains global settings that apply to the entire Container Manager instance, including network bridges and system-wide mount operations.

Container Manager Configuration File¶

Global configuration for the entire Container Manager.

Minimum Configuration Example¶

{
    "configdir": "/opt/container/conf/",
    "etherbridge": [
        {
            "name": "lxcbr0"
        }
    ],
    "operation": {
        "mount": []
    }
}

Configuration Items¶

configdir (Required)¶

• Type: String
• Description: Directory containing container configuration files
• Example: "/opt/container/conf/"

etherbridge (Optional)¶

• Type: Array
• Description: Array of network bridge configurations
• Elements:

• name (Required): Bridge name (string)

• Example:

  "etherbridge": [
      {
          "name": "lxcbr0"
      },
      {
          "name": "lxcbr1"
      }
  ]
  

Troubleshooting¶

Common Errors¶

1. "Json file error"¶

• JSON file format is invalid
• Verify that the file encoding is UTF-8
• Use a JSON validator to check the schema

2. "mandatory value"¶

• Required items are missing
• Check the "Required" column in the documentation

3. Bridge not found¶

• Verify that the bridge name exists on the system
• Check available bridges: ip link show type bridge

4. Mount failure¶

• Verify the filesystem is correctly specified
• Ensure mount options are valid
• Check device existence: ls -la /dev/

References¶

• Network Bridges: Virtual network interfaces for container connectivity
• Mount Operations: System-wide filesystem mounting with redundancy options
• cJSON: JSON parser library used internally