add alert classes

Author: hawkw

nexus/db-model/src/alert_class.rs

@@ -30,6 +30,8 @@ impl_enum_type!(
     TestFooBaz => b"test.foo.baz"
     TestQuuxBar => b"test.quux.bar"
     TestQuuxBarBaz => b"test.quux.bar.baz"
+    PsuInserted => b"hw.insert.power.power_shelf.psu"
+    PsuRemoved => b"hw.remove.power.power_shelf.psu"
 );
 
 impl AlertClass {
@@ -44,6 +46,8 @@ impl AlertClass {
             Self::TestFooBaz => "test.foo.baz",
             Self::TestQuuxBar => "test.quux.bar",
             Self::TestQuuxBarBaz => "test.quux.bar.baz",
+            Self::PsuInserted => "hw.insert.power.power_shelf.psu",
+            Self::PsuRemoved => "hw.remove.power.power_shelf.psu",
         }
     }
 
@@ -76,6 +80,12 @@ impl AlertClass {
             | Self::TestQuuxBarBaz => {
                 "This is a test of the emergency alert system"
             }
+            Self::PsuInserted => {
+                "A power supply unit (PSU) has been inserted into the power shelf"
+            }
+            Self::PsuRemoved => {
+                "A power supply unit (PSU) has been removed from the power shelf"
+            }
         }
     }
 
@@ -84,6 +94,16 @@ impl AlertClass {
         <Self as strum::VariantArray>::VARIANTS;
 }
 
+impl From<nexus_types::fm::AlertClass> for AlertClass {
+    fn from(input: nexus_types::fm::AlertClass) -> Self {
+        use nexus_types::fm::AlertClass as In;
+        match input {
+            In::PsuRemoved => Self::PsuRemoved,
+            In::PsuInserted => Self::PsuInserted,
+        }
+    }
+}
+
 impl fmt::Display for AlertClass {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "{}", self.as_str())

nexus/types/src/fm/alert.rs

@@ -25,5 +25,6 @@ impl iddqd::IdOrdItem for AlertRequest {
 
 #[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
 pub enum AlertClass {
-    // TODO
+    PsuInserted,
+    PsuRemoved,
 }