chore(monitor): add timeseries database

Author: duanhongyi

charts/monitor/templates/_helpers.tmpl

@@ -94,18 +94,18 @@ env:
 {{- if (.Values.telegraf.postgresqlConnection) }}
 - name: POSTGRESQL_CONNECTION
   value: {{ .Values.telegraf.postgresqlConnection }}
-{{- else if eq .Values.global.databaseLocation "on-cluster"  }}
+{{- else if eq .Values.global.timeseriesLocation "on-cluster"  }}
 - name: PG_USER
   valueFrom:
     secretKeyRef:
-      name: database-creds
+      name: timeseries-creds
       key: user
 - name: PG_PASSWORD
   valueFrom:
     secretKeyRef:
-      name: database-creds
+      name: timeseries-creds
       key: password
 - name: POSTGRESQL_CONNECTION
-  value: "postgres://$(PG_USER):$(PG_PASSWORD)@drycc-database.{{.Release.Namespace}}.svc.{{.Values.global.clusterDomain}}:5432/monitor"
+  value: "postgres://$(PG_USER):$(PG_PASSWORD)@drycc-timeseries.{{.Release.Namespace}}.svc.{{.Values.global.clusterDomain}}:5432/monitor"
 {{- end }}
 {{- end }}

telegraf/rootfs/home/telegraf/config.toml.tpl

@@ -61,7 +61,7 @@
   tags_as_foreign_keys = true
   create_templates = [
     '''{{`CREATE TABLE {{ .table }} ({{ .columns }})`}}''',
-    '''{{`SELECT create_hypertable({{ .table|quoteLiteral }}, 'time', chunk_time_interval => INTERVAL '7 days')`}}''',
+    '''{{`SELECT create_distributed_hypertable({{ .table|quoteLiteral }}, 'time', partitioning_column => 'tag_id', number_partitions => (SELECT count(*) FROM timescaledb_information.data_nodes)::integer, replication_factor => 2, chunk_time_interval => INTERVAL '7d')`}}''',
     '''{{`ALTER TABLE {{ .table }} SET (timescaledb.compress, timescaledb.compress_segmentby = 'tag_id')`}}''',
     '''{{`SELECT add_retention_policy({{ .table|quoteLiteral }}, INTERVAL '1 months')`}}''',
     '''{{`SELECT add_compression_policy({{ .table|quoteLiteral }}, INTERVAL '2 hours')`}}''',