Publish ITWorx Pulse source

internal/database/migrations/0006_alert_rules.sql

@@ -0,0 +1,41 @@
+CREATE TABLE alert_rules (
+    id uuid PRIMARY KEY,
+    schema_version integer NOT NULL CHECK (schema_version = 1),
+    name text NOT NULL CHECK (length(name) BETWEEN 1 AND 160),
+    enabled boolean NOT NULL DEFAULT false,
+    severity text NOT NULL CHECK (severity IN ('attention', 'degraded', 'critical')),
+    scope jsonb NOT NULL DEFAULT '{}'::jsonb,
+    condition jsonb NOT NULL,
+    evaluation_interval_seconds integer NOT NULL CHECK (evaluation_interval_seconds BETWEEN 5 AND 3600),
+    pending_seconds integer NOT NULL CHECK (pending_seconds BETWEEN 0 AND 2592000),
+    resolve_seconds integer NOT NULL CHECK (resolve_seconds BETWEEN 0 AND 2592000),
+    unknown_behavior text NOT NULL CHECK (unknown_behavior IN ('retain-firing-as-unknown', 'become-unknown', 'ignore-short-gap')),
+    group_by jsonb NOT NULL DEFAULT '[]'::jsonb,
+    suppress_when jsonb NOT NULL DEFAULT '[]'::jsonb,
+    message jsonb NOT NULL,
+    current_version_id uuid,
+    revision bigint NOT NULL DEFAULT 1 CHECK (revision > 0),
+    created_by uuid REFERENCES users(id) ON DELETE SET NULL,
+    created_at timestamptz NOT NULL DEFAULT now(),
+    updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE TABLE alert_rule_versions (
+    id uuid PRIMARY KEY,
+    rule_id uuid NOT NULL REFERENCES alert_rules(id) ON DELETE RESTRICT,
+    version_number integer NOT NULL CHECK (version_number > 0),
+    document jsonb NOT NULL,
+    change_summary text NOT NULL DEFAULT '' CHECK (length(change_summary) <= 500),
+    created_by uuid REFERENCES users(id) ON DELETE SET NULL,
+    created_at timestamptz NOT NULL DEFAULT now(),
+    UNIQUE (rule_id, version_number)
+);
+
+ALTER TABLE alert_rules
+    ADD CONSTRAINT alert_rules_current_version_fk
+    FOREIGN KEY (current_version_id) REFERENCES alert_rule_versions(id)
+    ON DELETE RESTRICT DEFERRABLE INITIALLY DEFERRED;
+
+CREATE INDEX alert_rules_enabled_idx ON alert_rules (enabled, evaluation_interval_seconds, updated_at DESC) WHERE enabled = true;
+CREATE INDEX alert_rules_severity_idx ON alert_rules (severity, updated_at DESC);
+CREATE INDEX alert_rule_versions_history_idx ON alert_rule_versions (rule_id, version_number DESC);