add docs for db and redis

astro.config.mjs

@@ -35,6 +35,11 @@ export default defineConfig({
               collapsed: true,
               autogenerate: { directory: 'modules/time' }
             },
+            {
+              label: "Database",
+              collapsed: true,
+              autogenerate: { directory: 'modules/db' }
+            },
             {
               label: "Network",
               collapsed: true,
@@ -60,6 +65,11 @@ export default defineConfig({
               collapsed: true,
               autogenerate: { directory: 'modules/mqtt' }
             },
+            {
+              label: "Redis",
+              collapsed: true,
+              autogenerate: { directory: 'modules/redis' }
+            },
           ]
         },
         {
@@ -70,6 +80,11 @@ export default defineConfig({
               collapsed: true,
               autogenerate: { directory: 'processors/router' }
             },
+            {
+              label: "Database",
+              collapsed: true,
+              autogenerate: { directory: 'processors/db' }
+            },
             {
               label: "Filter",
               collapsed: true,
@@ -111,6 +126,11 @@ export default defineConfig({
               collapsed: true,
               autogenerate: { directory: 'processors/time' }
             },
+            {
+              label: "Key/Value",
+              collapsed: true,
+              autogenerate: { directory: 'processors/kv' }
+            }
           ]
         },
         {

src/content/docs/modules/db/sqlite.md

@@ -0,0 +1,21 @@
+---
+title: SQLite
+sidebar:
+    order: 1
+---
+The `db.sqlite` module can open/create SQLite databases 
+
+- **type**: `db.sqlite`
+- **params**:
+    - **dsn**: the data source name, this can be a file path or the special `:memory:` name for an in-memory DB
+
+## Cap
+
+### Example snippet
+Opens an in-memory SQLite database
+```
+- id: db
+  type: db.sqlite
+    params:
+      dsn: ":memory:"
+```

src/content/docs/modules/midi/output.mdx

@@ -9,7 +9,7 @@ import { Aside } from '@astrojs/starlight/components';
 This module is not currently included in the pre-compiled binaries for [showbridge](https://github.com/jwetzell/showbridge-go/releases/latest)
 </Aside>
 
-The `midi.output` module connects to a midi device (or virtual device) and allows sending MIDI messages out to that device. This module does not receive any message and so using it as an `input` to a [route](/concepts/routes) would be pointless.
+The `midi.output` module connects to a midi device (or virtual device) and allows sending MIDI messages out to that device. This module does not produce any messages and so using it as an `input` to a [route](/concepts/routes) would be pointless.
 
 - **type**: `midi.output`
 - **params**:

src/content/docs/modules/network/udp-client.md

@@ -3,7 +3,7 @@ title: UDP Client
 sidebar:
     order: 3
 ---
-The `net.udp.client` module sends messages to a the configured `host` and `port`. This module does not receive any message and so using it as an `input` to a [route](/concepts/routes) would be pointless.
+The `net.udp.client` module sends messages to a the configured `host` and `port`. This module does not produce any messages and so using it as an `input` to a [route](/concepts/routes) would be pointless.
 
 - **type**: `net.udp.client`
 - **params**:

src/content/docs/modules/redis/client.mdx

@@ -0,0 +1,22 @@
+---
+title: Redis Client
+sidebar:
+    order: 1
+---
+
+The `redis.client` module connects to a Redis server. This module does not produce any messages and so using it as an `input` to a [route](/concepts/routes) would be pointless.
+
+- **type**: `redis.client`
+- **params**:
+    - **host**: the Redis server host
+    - **port**: the Redis server port
+
+### Example
+Connect to a Redis server running on `localhost` at port `6379`.
+```
+- id: redisClient
+  type: redis.client
+  params:
+    host: "localhost"
+    port: 6379
+```

src/content/docs/processors/db/query.md

@@ -0,0 +1,19 @@
+---
+title: Query
+sidebar:
+    order: 1
+---
+The `db.query` processor will issue a query to the specified module and return the result to the next processor in line.
+
+- **type**: `db.query`
+- **params**:
+    - **module**: the id of the [module](/concepts/modules) to issue query to.
+    - **query**: the query to execute. 
+### Example
+Issue a `SELECT` statement to a module with id `sqlite`.
+```
+- type: db.query
+  params:
+    module: sqlite
+    query: "SELECT * from users;"
+```

src/content/docs/processors/kv/get.md

@@ -0,0 +1,20 @@
+---
+title: Get
+sidebar:
+    order: 1
+---
+The `kv.get` processor gets the value associated with a key from a compatible module. The output payload is the value if the key is found.
+
+- **type**: `kv.get`
+- **params**:
+    - **module**: id of the module
+    - **key**: the key to look up
+
+### Example
+This will attempt to get the value for the `counter` key from the module with an id of `redis`
+```
+- type: kv.get
+  params:
+    module: redis
+    key: counter
+```

src/content/docs/processors/kv/set.md

@@ -0,0 +1,22 @@
+---
+title: Set
+sidebar:
+    order: 2
+---
+The `kv.set` processor sets the value associated with a key from a compatible module. The payload is unchanged so whatever is received by this payload is output unless any errors are encountered.
+
+- **type**: `kv.set`
+- **params**:
+    - **module**: id of the module
+    - **key**: the key to look up
+    - **value**: the value to set
+
+### Example
+This will attempt to set the key `hello` to `world` using the module with an id of `redis`
+```
+- type: kv.set
+  params:
+    module: redis
+    key: hello
+    value: world
+```