Add server_notices config

dendrite-config.yaml

@@ -68,6 +68,17 @@ global:
   # to other servers and the federation API will not be exposed.
   disable_federation: false
 
+  # Server notices allows server admins to send messages to all users.
+  server_notices:
+    # The server localpart to be used when sending notices, ensure this is not yet take
+    local_part: "server"
+    # The displayname to be used when sending notices
+    display_name: "Server alerts"
+    # The avatar of this user
+    avatar: ""
+    # The roomname to be used when creating messages
+    room_name: "Server Alerts"
+
   # Configuration for NATS JetStream
   jetstream:
     # A list of NATS Server addresses to connect to. If none are specified, an

setup/config/config_global.go

@@ -57,6 +57,9 @@ type Global struct {
 
 	// DNS caching options for all outbound HTTP requests
 	DNSCache DNSCacheOptions `yaml:"dns_cache"`
+
+	// ServerNotices configuration used for sending server notices
+	ServerNotices ServerNotices `yaml:"server_notices"`
 }
 
 func (c *Global) Defaults(generate bool) {
@@ -82,6 +85,7 @@ func (c *Global) Verify(configErrs *ConfigErrors, isMonolith bool) {
 	c.Metrics.Verify(configErrs, isMonolith)
 	c.Sentry.Verify(configErrs, isMonolith)
 	c.DNSCache.Verify(configErrs, isMonolith)
+	c.ServerNotices.Verify(configErrs, isMonolith)
 }
 
 type OldVerifyKeys struct {
@@ -123,6 +127,29 @@ func (c *Metrics) Defaults(generate bool) {
 func (c *Metrics) Verify(configErrs *ConfigErrors, isMonolith bool) {
 }
 
+// ServerNotices defines the configuration used for sending server notices
+type ServerNotices struct {
+	// The localpart to be used when sending notices
+	LocalPart string `yaml:"local_part"`
+	// The displayname to be used when sending notices
+	DisplayName string `yaml:"display_name"`
+	// The avatar of this user
+	Avatar string `yaml:"avatar"`
+	// The roomname to be used when creating messages
+	RoomName string `yaml:"room_name"`
+}
+
+func (c *ServerNotices) Defaults(generate bool) {
+	if generate {
+		c.LocalPart = "server"
+		c.DisplayName = "Server Alert"
+		c.RoomName = "Server Alert"
+		c.Avatar = ""
+	}
+}
+
+func (c *ServerNotices) Verify(errors *ConfigErrors, isMonolith bool) {}
+
 // The configuration to use for Sentry error reporting
 type Sentry struct {
 	Enabled bool `yaml:"enabled"`

setup/config/config_test.go

@@ -58,6 +58,11 @@ global:
     basic_auth:
       username: metrics
       password: metrics
+  server_notices:
+    local_part: "server"
+    display_name: "Server alerts"
+    avatar: ""
+    room_name: "Server Alerts"	
 app_service_api:
   internal_api:
     listen: http://localhost:7777