Add policy to the db

nexus/db-model/src/lib.rs

@@ -57,6 +57,7 @@ mod physical_disk_state;
 mod probe;
 mod producer_endpoint;
 mod project;
+mod reconfigurator_policy;
 mod semver_version;
 mod switch_interface;
 mod switch_port;

nexus/db-model/src/reconfigurator_policy.rs

@@ -0,0 +1,16 @@
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+use crate::schema::reconfigurator_policy;
+use crate::SqlU32;
+use chrono::{DateTime, Utc};
+
+#[derive(Queryable, Clone, Debug, Selectable, Insertable)]
+#[diesel(table_name = reconfigurator_policy)]
+pub struct ReconfiguratorPolicy {
+    pub version: SqlU32,
+    pub clickhouse_cluster_enabled: bool,
+    pub clickhouse_single_node_enabled: bool,
+    pub time_created: DateTime<Utc>,
+}

nexus/db-model/src/schema.rs

@@ -841,6 +841,15 @@ table! {
     }
 }
 
+table! {
+    reconfigurator_policy (version) {
+        version -> Int8,
+        clickhouse_cluster_enabled -> Bool,
+        clickhouse_single_node_enabled -> Bool,
+        time_created -> Timestamptz
+    }
+}
+
 table! {
     rack (id) {
         id -> Uuid,

nexus/db-model/src/schema_versions.rs

@@ -17,7 +17,7 @@ use std::collections::BTreeMap;
 ///
 /// This must be updated when you change the database schema.  Refer to
 /// schema/crdb/README.adoc in the root of this repository for details.
-pub const SCHEMA_VERSION: SemverVersion = SemverVersion::new(109, 0, 0);
+pub const SCHEMA_VERSION: SemverVersion = SemverVersion::new(110, 0, 0);
 
 /// List of all past database schema versions, in *reverse* order
 ///
@@ -29,6 +29,7 @@ static KNOWN_VERSIONS: Lazy<Vec<KnownVersion>> = Lazy::new(|| {
         // |  leaving the first copy as an example for the next person.
         // v
         // KnownVersion::new(next_int, "unique-dirname-with-the-sql-files"),
+        KnownVersion::new(110, "reconfigurator-policy"),
         KnownVersion::new(109, "inv-clickhouse-keeper-membership"),
         KnownVersion::new(108, "internet-gateway"),
         KnownVersion::new(107, "add-instance-boot-disk"),

schema/crdb/dbinit.sql

@@ -42,6 +42,25 @@ ALTER DEFAULT PRIVILEGES GRANT INSERT, SELECT, UPDATE, DELETE ON TABLES to omicr
  */
 ALTER RANGE default CONFIGURE ZONE USING num_replicas = 5;
 
+/*
+ * A reconfigurator planning policy for a single multirack setup
+ *
+ * We currently tie this policy to a rack, as we don't yet support multirack.
+ * Multiple parts of this database schema are going to have to change to support
+ * multirack, so we add one more for now.
+ */
+CREATE TABLE IF NOT EXISTS omicron.public.reconfigurator_policy (
+    -- Monotonically increasing version for all policies
+    --
+    -- This is similar to `bp_target` which will also require being changed for
+    -- multirack to associate with some sort of rack group ID.
+    version INT8 PRIMARY KEY,
+
+    clickhouse_cluster_enabled BOOL NOT NULL
+    clickhouse_single_node_enabled BOOL NOT NULL
+    time_created TIMESTAMPTZ NOT NULL,
+);
+
 /*
  * Racks
  */
@@ -4498,7 +4517,7 @@ INSERT INTO omicron.public.db_metadata (
     version,
     target_version
 ) VALUES
-    (TRUE, NOW(), NOW(), '109.0.0', NULL)
+    (TRUE, NOW(), NOW(), '110.0.0', NULL)
 ON CONFLICT DO NOTHING;
 
 COMMIT;

schema/crdb/reconfigurator-policy/up.sql

@@ -0,0 +1,6 @@
+CREATE TABLE IF NOT EXISTS omicron.public.reconfigurator_policy (
+    version INT8 PRIMARY KEY,
+    clickhouse_cluster_enabled BOOL NOT NULL
+    clickhouse_single_node_enabled BOOL NOT NULL
+    time_created TIMESTAMPTZ NOT NULL,
+);