add redis source docs

Signed-off-by: shumin <shumin@compubiq.com>

Author: shumin

docs/reference/components/sinks/redis.cue

@@ -28,8 +28,7 @@ components: sinks: redis: {
 			request: enabled: false
 			tls: enabled:     false
 			to: {
-				service: services.pulsar
-
+				service: services.redis
 				interface: {
 					socket: {
 						direction: "outgoing"
@@ -99,4 +98,16 @@ components: sinks: redis: {
 		logs:    true
 		metrics: null
 	}
+
+	how_it_works: {
+		redis_rs: {
+			title: "redis-rs"
+			body:  """
+				The `redis` sink uses [`redis-rs`](\(urls.redis_rs)) under the hood. This
+				is a is a high level redis library for Rust. It provides convenient access to all Redis functionality through a very flexible but low-level API.
+				It uses a customizable type conversion trait so that any operation can return results in just the type you are expecting.
+				This makes for a very pleasant development experience.
+				"""
+		}
+	}
 }

docs/reference/components/sources/redis.cue

@@ -0,0 +1,128 @@
+package metadata
+
+components: sources: redis: {
+	title: "Redis"
+	description: "[Redis](\(urls.redis)) is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker."
+
+	features: {
+		collect: {
+			checkpoint: enabled: false
+			tls: {
+				enabled:                true
+				can_enable:             true
+				can_verify_certificate: false
+				can_verify_hostname:    false
+				enabled_default:        false
+			}
+			from: {
+				service: services.redis
+				interface: {
+					socket: {
+						direction: "incoming"
+						port:      6379
+						protocols: ["tcp"]
+						ssl: "disabled"
+					}
+				}
+			}
+		}
+		multiline: enabled: false
+	}
+
+	classes: {
+		commonly_used: false
+		deployment_roles: ["aggregator"]
+		delivery:      "best_effort"
+		development:   "beta"
+		egress_method: "stream"
+	}
+
+	support: {
+		targets: {
+			"aarch64-unknown-linux-gnu":  true
+			"aarch64-unknown-linux-musl": true
+			"x86_64-apple-darwin":        true
+			"x86_64-pc-windows-msv":      true
+			"x86_64-unknown-linux-gnu":   true
+			"x86_64-unknown-linux-musl":  true
+		}
+
+		requirements: []
+		warnings: []
+		notices: []
+	}
+	
+	installation: {
+		platform_name: null
+	}
+
+	configuration: {
+		url: {
+			description: "The Redis URL to connect to. The url _must_ take the form of `redis://server:port/db`."
+			groups: ["tcp"]
+			required: true
+			warnings: []
+			type: string: {
+				examples: ["redis://127.0.0.1:6379/0"]
+			}
+		}
+		key: {
+			description: "The Redis key to read messages from."
+			required:    true
+			warnings: []
+			type: string: {
+				examples: ["vector"]
+				templateable: false
+			}
+		}
+		data_type: {
+			common:      false
+			description: "The Redis Data Type(list or channel) to use."
+			required:    false
+			type: string: {
+				default: "list"
+				examples: ["list", "channel"]
+			}
+		}
+		method: {
+			common:      false
+			description: "The Method(brpop or blpop) to pop messages when data_type is list."
+			required:    false
+			type: string: {
+				default: "brpop"
+				examples: ["brpop", "blpop"]
+			}
+		}
+		redis_key: {
+			common:      false
+			description: "The log field name to use for the redis key. If unspecified, the key would not be added to the log event."
+			required:    false
+			warnings: []
+			type: string: {
+				default: null
+				examples: ["redis_key"]
+			}
+		}
+	}
+
+	output: logs: record: {
+		description: "An individual Redis record"
+		fields: {
+			host:      fields._local_host
+			message:   fields._raw_line
+			timestamp: fields._current_timestamp
+		}
+	}
+
+	how_it_works: {
+		redis_rs: {
+			title: "redis-rs"
+			body:  """
+				The `redis` source uses [`redis-rs`](\(urls.redis_rs)) under the hood. This
+				is a is a high level redis library for Rust. It provides convenient access to all Redis functionality through a very flexible but low-level API.
+				It uses a customizable type conversion trait so that any operation can return results in just the type you are expecting.
+				This makes for a very pleasant development experience.
+				"""
+		}
+	}
+}

docs/reference/urls.cue

@@ -459,4 +459,5 @@ urls: {
 	zlib:                                                     "https://www.zlib.net"
 	zstd:                                                     "https://zstd.net"
 	redis:                                                    "https://redis.io"
+	redis_rs:                                                 "https://github.com/mitsuhiko/redis-rs"
 }