Publish ITWorx Pulse source

internal/database/migrations/0019_capacity_samples.sql

@@ -0,0 +1,14 @@
+CREATE TABLE capacity_samples (
+    entity_kind text NOT NULL CHECK (entity_kind IN ('share', 'pool', 'disk')),
+    entity_id text NOT NULL CHECK (length(entity_id) BETWEEN 1 AND 128),
+    entity_name text NOT NULL CHECK (length(entity_name) BETWEEN 1 AND 255),
+    source_id text NOT NULL CHECK (length(source_id) BETWEEN 1 AND 128),
+    sampled_at timestamptz NOT NULL,
+    observed_at timestamptz NOT NULL,
+    used_bytes bigint NOT NULL CHECK (used_bytes >= 0),
+    capacity_bytes bigint NOT NULL CHECK (capacity_bytes >= 0),
+    PRIMARY KEY (entity_kind, entity_id, source_id, sampled_at)
+);
+
+CREATE INDEX capacity_samples_history_idx
+    ON capacity_samples (entity_kind, entity_id, sampled_at DESC);