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Redis

Redis Plugin​

Summary (SEO Meta Description):
The Redis plugin in WeHub allows workflows to interact with Redis by adding, retrieving, and deleting keys.
Use Redis as a lightweight key-value store for caching, session management, and workflow state handling.

Overview​

The Redis Plugin connects WeHub workflows to a Redis key-value store.
It supports adding new keys, retrieving values, and deleting keys.

Redis is commonly used for:

  • Caching frequently accessed data
  • Storing session tokens and temporary workflow states
  • Managing lightweight queues or flags

⚙️ Available Actions​

1. Add Key​

  • Description: Stores a new key-value pair in Redis.
  • Use Case: Save temporary workflow state or cache external API results.

Configuration Options:

FieldTypeDescription
LabelStringCustom name for the action.
Select ConnectionConnectionChoose or create a Redis connection.
KeyStringThe key name to store.
ValueAnyThe value to store (String, Number, Boolean).

2. Delete Key​

  • Description: Removes a key and its value from Redis.
  • Use Case: Clear cached data or remove expired workflow states.

Configuration Options:

FieldTypeDescription
LabelStringCustom name for the action.
Select ConnectionConnectionChoose or create a Redis connection.
KeyStringThe key to delete from Redis.

3. Get Key​

  • Description: Retrieves the value of a specified key.
  • Use Case: Fetch cached or temporary values for further workflow steps.

Configuration Options:

FieldTypeDescription
LabelStringCustom name for the action.
Select ConnectionConnectionChoose or create a Redis connection.
KeyStringThe key to retrieve from Redis.

Output: Returns the value stored in Redis or null if the key does not exist.

💡 Example Use Cases​

  • Healthcare: Store patient session tokens and retrieve them for validation.
  • Finance: Cache currency exchange rates to reduce API calls.
  • E-commerce: Save and fetch shopping cart states or user preferences.
  • Workflow Optimization: Use Redis as a short-term cache between nodes.

FAQ​

Q: What data types are supported in Redis keys?
A: The plugin supports storing strings, numbers, and booleans. Complex objects can be stored as serialized strings.

Q: What happens if I try to get a non-existent key?
A: The plugin returns null without error.

Q: Can I use Redis as a message queue in WeHub?
A: Yes. Redis pub/sub patterns can be combined with workflows, but this plugin is optimized for key-value operations.

Keywords: WeHub Redis Plugin, Redis Add Key, Redis Get Key, Redis Delete Key, Redis Cache, Workflow Key-Value Store