Added timescaledb plugin/extension (#488)

* Added `timescaledb` plugin/extension

* updated postgresql image sum

config.yaml

@@ -299,6 +299,10 @@ options:
     default: false
     type: boolean
     description: Enable pgvector extension
+  plugin_timescaledb_enable:
+    default: false
+    type: boolean
+    description: Enable timescaledb extension
   profile:
    description: |
       Profile representing the scope of deployment, and used to tune resource allocation.

metadata.yaml

@@ -28,7 +28,7 @@ resources:
   postgresql-image:
     type: oci-image
     description: OCI image for PostgreSQL
-    upstream-source: ghcr.io/canonical/charmed-postgresql@sha256:31cf150b4523481202c1ff9b7b5d7f0b36729edad89d61242d8f1eb56b2912c0
+    upstream-source: ghcr.io/canonical/charmed-postgresql@sha256:76ef26c7d11a524bcac206d5cb042ebc3c8c8ead73fa0cd69d21921552db03b6
 
 peers:
   database-peers:

src/config.py

@@ -84,6 +84,7 @@ class CharmConfig(BaseConfigModel):
     plugin_postgis_topology_enable: bool
     plugin_postgis_raster_enable: bool
     plugin_vector_enable: bool
+    plugin_timescaledb_enable: bool
     request_date_style: Optional[str]
     request_standard_conforming_strings: Optional[bool]
     request_time_zone: Optional[str]

templates/patroni.yml.j2

@@ -40,6 +40,7 @@ bootstrap:
         log_truncate_on_rotation: 'on'
         logging_collector: 'on'
         wal_level: logical
+        shared_preload_libraries: 'timescaledb'
         {%- if pg_parameters %}
         {%- for key, value in pg_parameters.items() %}
         {{key}}: {{value}}

tests/integration/test_plugins.py

@@ -78,11 +78,14 @@
 ADDRESS_STANDARDIZER_EXTENSION_STATEMENT = "SELECT num, street, city, zip, zipplus FROM parse_address('1 Devonshire Place, Boston, MA 02109-1234');"
 ADDRESS_STANDARDIZER_DATA_US_EXTENSION_STATEMENT = "SELECT house_num, name, suftype, city, country, state, unit  FROM standardize_address('us_lex', 'us_gaz', 'us_rules', 'One Devonshire Place, PH 301, Boston, MA 02109');"
 POSTGIS_TIGER_GEOCODER_EXTENSION_STATEMENT = "SELECT *  FROM standardize_address('tiger.pagc_lex', 'tiger.pagc_gaz', 'tiger.pagc_rules', 'One Devonshire Place, PH 301, Boston, MA 02109-1234');"
-POSTGIS_TOPOLOGY_STATEMENT = "SELECT topology.CreateTopology('nyc_topo', 26918, 0.5);"
-POSTGIS_RASTER_STATEMENT = "CREATE TABLE test_postgis_raster (name varchar, rast raster);"
+POSTGIS_TOPOLOGY_EXTENSION_STATEMENT = "SELECT topology.CreateTopology('nyc_topo', 26918, 0.5);"
+POSTGIS_RASTER_EXTENSION_STATEMENT = (
+    "CREATE TABLE test_postgis_raster (name varchar, rast raster);"
+)
 VECTOR_EXTENSION_STATEMENT = (
     "CREATE TABLE vector_test (id bigserial PRIMARY KEY, embedding vector(3));"
 )
+TIMESCALEDB_EXTENSION_STATEMENT = "CREATE TABLE test_timescaledb (time TIMESTAMPTZ NOT NULL); SELECT create_hypertable('test_timescaledb', 'time');"
 
 
 @pytest.mark.group(1)
@@ -146,9 +149,10 @@ async def test_plugins(ops_test: OpsTest) -> None:
         "plugin_address_standardizer_enable": ADDRESS_STANDARDIZER_EXTENSION_STATEMENT,
         "plugin_address_standardizer_data_us_enable": ADDRESS_STANDARDIZER_DATA_US_EXTENSION_STATEMENT,
         "plugin_postgis_tiger_geocoder_enable": POSTGIS_TIGER_GEOCODER_EXTENSION_STATEMENT,
-        "plugin_postgis_raster_enable": POSTGIS_RASTER_STATEMENT,
-        "plugin_postgis_topology_enable": POSTGIS_TOPOLOGY_STATEMENT,
+        "plugin_postgis_raster_enable": POSTGIS_RASTER_EXTENSION_STATEMENT,
+        "plugin_postgis_topology_enable": POSTGIS_TOPOLOGY_EXTENSION_STATEMENT,
         "plugin_vector_enable": VECTOR_EXTENSION_STATEMENT,
+        "plugin_timescaledb_enable": TIMESCALEDB_EXTENSION_STATEMENT,
     }
 
     def enable_disable_config(enabled: False):