Add Redis-compatible coordination substrate

crates/remora-coordination/src/keys.rs

@@ -0,0 +1,54 @@
+//! Namespaced keys for queue, reservation, lease, progress, cancellation, and permits.
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct KeySpace {
+    prefix: String,
+}
+
+impl KeySpace {
+    pub fn new(prefix: impl Into<String>) -> Self {
+        Self {
+            prefix: prefix.into(),
+        }
+    }
+
+    #[must_use]
+    pub fn prefix(&self) -> &str {
+        &self.prefix
+    }
+
+    #[must_use]
+    pub fn queue(&self) -> String {
+        format!("{}queue", self.prefix)
+    }
+
+    #[must_use]
+    pub fn queue_members(&self) -> String {
+        format!("{}queue:members", self.prefix)
+    }
+
+    #[must_use]
+    pub fn reserve(&self, job_id: &str) -> String {
+        format!("{}reserve:{job_id}", self.prefix)
+    }
+
+    #[must_use]
+    pub fn lease(&self, job_id: &str) -> String {
+        format!("{}lease:{job_id}", self.prefix)
+    }
+
+    #[must_use]
+    pub fn progress(&self, job_id: &str) -> String {
+        format!("{}progress:{job_id}", self.prefix)
+    }
+
+    #[must_use]
+    pub fn cancel(&self, job_id: &str) -> String {
+        format!("{}cancel:{job_id}", self.prefix)
+    }
+
+    #[must_use]
+    pub fn permit_slots(&self) -> String {
+        format!("{}permit:slots", self.prefix)
+    }
+}