migrations: ignore unique constraint violation

nexus/catalog/src/lib.rs

@@ -24,18 +24,31 @@ pub struct Catalog {
 }
 
 async fn run_migrations(client: &mut Client) -> anyhow::Result<()> {
-    let migration_report = embedded::migrations::runner()
+    let migration = embedded::migrations::runner()
         .run_async(client)
         .await
-        .context("Failed to run migrations")?;
-    for migration in migration_report.applied_migrations() {
-        tracing::info!(
-            "Migration Applied -  Name: {}, Version: {}",
-            migration.name(),
-            migration.version()
-        );
+        .context("Failed to run migrations");
+    match migration {
+        Ok(migration_report) => {
+            for migration in migration_report.applied_migrations() {
+                tracing::info!(
+                    "Migration Applied -  Name: {}, Version: {}",
+                    migration.name(),
+                    migration.version()
+                );
+            }
+            Ok(())
+        }
+        Err(err) => {
+            let errstr = err.to_string();
+            if errstr.contains("duplicate key value violates unique constraint \"refinery_schema_history_pkey\"") ||
+                errstr.contains("(typname, typnamespace)=(refinery_schema_history, 2200) already exists") {
+                Ok(())
+            } else {
+                Err(err)
+            }
+        }
     }
-    Ok(())
 }
 
 #[derive(Debug, Copy, Clone)]