Add Cassandra Schema

files/cassandra_schema.cql

@@ -0,0 +1,46 @@
+drop table if exists monasca.metric_map;
+
+drop table if exists monasca.measurements;
+
+drop table if exists monasca.alarm_state_history;
+
+drop schema if exists monasca;
+
+create schema monasca
+with replication = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };
+
+use monasca;
+
+create table monasca.metric_map (
+    tenant_id text,
+    region text,
+    metric_hash blob,
+    metric_set set<text>,
+primary key ((tenant_id, region), metric_hash)
+);
+
+create index on monasca.metric_map (metric_set);
+
+create table monasca.measurements (
+    tenant_id text,
+    region text,
+    metric_hash blob,
+    time_stamp timestamp,
+    value float,
+    value_meta text,
+primary key ((tenant_id, region, metric_hash), time_stamp)
+);
+
+create table monasca.alarm_state_history (
+    tenant_id text,
+    alarm_id text,
+    metrics text,
+    new_state text,
+    old_state text,
+    reason text,
+    reason_data text,
+    sub_alarms text,
+    time_stamp timestamp,
+primary key ((tenant_id), alarm_id, time_stamp)
+);
+