Fifth Chapter Consul Key/value

1. Key/value effect

• To modify a configuration file dynamically
• Support for service collaboration
• Establishment of leader elections
• Provide service discovery
• Integrated Health Check

2. Use

2.1. View all Key/value

Description

• Use the? recurse parameter to specify to view multiple kv
• No value--404

2.2. Add Key/value

Description: Key--zjg/key1 value--' Test '

Description: flags--is used to add a meaningful metadata for any kv.

Note: The top of this is problematic, be sure to note that it is flags rather than flag.

2.3. View a single Key/value

Description: Value is the base64 encoding of test (using Base64 encoding to allow non-UTF-8 characters)

2.4, modify the Key/value

Note: Modifying is exactly the same as adding a command, simply modifying the contents of the modified section.

CAS modification: (Atomic execution modification)

If the value of CAS is equal to Modifyindex, the modification succeeds, and if not equal, the modification fails.

2.5. Delete Key/value

2.5.1, delete single kv

2.5.2, remove a range of KV (specify the range of kv in the prefix)

Description

• Specifies the prefix of the deleted kv K (ZJG)
• Must have more than one operation? recurse parameters

Fifth Chapter Consul Key/value