run only once a day

.woodpecker.yml

@@ -4,23 +4,25 @@ steps:
     settings:
       repo: ${FORGE_NAME}/${CI_REPO}
       registry:
-        from_secret: container_registry
+        from_secret: local_registry
-      tags: latest,${CI_COMMIT_SHA},${CI_COMMIT_TAG}
+      tags: latest,${CI_COMMIT_TAG}
       username:
-        from_secret: container_registry_username
+        from_secret: local_username
       password:
-        from_secret: container_registry_password
+        from_secret: local_password
       dockerfile: Dockerfile
     when:
-      - event: [push, tag]
+      - event: tag
+
   scan_image:
     image: aquasec/trivy
     commands:
-      - trivy image $FORGE_NAME/$CI_REPO:$CI_COMMIT_SHA --quiet --exit-code 1
+      - trivy image $FORGE_NAME/$CI_REPO:$CI_COMMIT_TAG --quiet --exit-code 1
     when:
-      - event: [push, tag]
+      - event: tag
+
   deploy:
-    image: quay.io/wollud1969/k8s-admin-helper:0.1.3
+    image: quay.io/wollud1969/k8s-admin-helper:0.4.1
     environment:
       KUBE_CONFIG_CONTENT:
         from_secret: kube_config

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.21
+FROM alpine:3.23
 
 ENV PGHOST="database.database1.svc.cluster.local"
 ENV PGDATABASE="udi-hottis"

deployment/deploy-yml.tmpl

@@ -3,7 +3,7 @@ kind: CronJob
 metadata:
   name: pv-energy-calculator
 spec:
-  schedule: "1 1 * * *"
+  schedule: "15 0 * * *"
   jobTemplate:
     spec:
       template:

queries/create.sql

@@ -12,3 +12,16 @@ CREATE TABLE pv_energy_by_month (
 );
 
 
+
+CREATE TABLE car_energy_by_month (
+  id serial NOT NULL PRIMARY KEY,
+  month integer NOT NULL,
+  year integer NOT NULL,
+  created_at timestamp NOT NULL DEFAULT now(),
+  last_changed timestamp,
+  update_counter integer NOT NULL DEFAULT 0,
+  baseline_energy real NOT NULL,
+  current_energy real NOT NULL DEFAULT 0.0,
+  CONSTRAINT car_energy_by_month__month_year_unique UNIQUE(month, year)
+);
+

queries/pvec.sql

@@ -51,3 +51,55 @@ INSERT INTO pv_energy_by_month
            update_counter = pv_energy_by_month.update_counter + 1,
            current_energy = (SELECT e FROM last_pv_energy_of_yesterday) - pv_energy_by_month.baseline_energy;
 
+WITH 
+  today AS (
+    SELECT now() AS d
+  ),
+  yesterday AS (
+    SELECT date_trunc('day', today.d - '1 day'::interval) AS d,
+           extract(month from today.d - '1 day'::interval) AS m,
+           extract(year from today.d - '1 day'::interval) AS y
+      FROM today
+  ),
+  first_car_of_yesterday AS (
+    SELECT min(measurements.time) as t
+      FROM measurements,
+           yesterday
+      WHERE time >= yesterday.d AND 
+            time < yesterday.d + '1 day'::interval AND
+            measurements.application = 'Car'
+  ),
+  last_car_of_yesterday AS (
+    SELECT max(measurements.time) as t
+      FROM measurements,
+           yesterday
+      WHERE time >= yesterday.d AND 
+            time < yesterday.d + '1 day'::interval AND
+            measurements.application = 'Car'
+  ),
+  first_car_energy_of_yesterday AS (
+    SELECT cast(measurements.values->'TotalImportEnergy'->>'value' AS real) AS e
+      FROM measurements,
+           first_car_of_yesterday
+      WHERE measurements.time = first_car_of_yesterday.t AND
+            measurements.application = 'Car'
+  ),
+  last_car_energy_of_yesterday AS (
+    SELECT cast(measurements.values->'TotalImportEnergy'->>'value' AS real) AS e
+      FROM measurements,
+           last_car_of_yesterday
+      WHERE measurements.time = last_car_of_yesterday.t AND
+            measurements.application = 'Car'
+  )
+INSERT INTO car_energy_by_month
+  (month, year, baseline_energy)
+  VALUES( 
+    (SELECT m FROM yesterday),
+    (SELECT y FROM yesterday),
+    (SELECT e FROM first_car_energy_of_yesterday)
+  ) 
+  ON CONFLICT ON CONSTRAINT car_energy_by_month__month_year_unique
+  DO UPDATE 
+       SET last_changed = now(),
+           update_counter = car_energy_by_month.update_counter + 1,
+           current_energy = (SELECT e FROM last_car_energy_of_yesterday) - car_energy_by_month.baseline_energy;

queries/recreate.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-
-
-sv() {
-cat pvec.sql | sed 's/%Y%/'$1'/' | sed 's/%M%/'$2'/' | sed 's/%D%/'$3'/' | psql -d udi-hottis
-}
-
-sv 2025 01 02
-
-

src/main.py

@@ -1,45 +0,0 @@
-import psycopg
-from loguru import logger
-
-def main():
-  try:
-    conn = psycopg.connect()
-    logger.info("Database connection opened")
-  except Exception as e:
-    logger.error(f"Error when opening database connection {e}"(
-    return
-
-  try:
-    with conn.cursor(cursor_factory=psycopg.extras.DictCursor) as cursor:
-      select_stmt = psycopg.sql.SQL("""
-        SELECT ...
-      """)
-      cursor.execute(select_stmt, (...))
-      row = cursor.fetchone()
-
-      if not row:
-        logger.error(f"No data found")
-        return
-
-      value = row["bla"]
-
-      # calculation
-      insert_stmt = psycopg.sql.SQL("""
-        INSERT ...
-      """)
-      cursor.execute(insert_stmt, (...))
-      conn.commit()
-
-      logger.info(f"Data successfully written to database")
-  except Exception as e:
-    logger.error(f"Error when selecting or writing database {e}")
-    conn.rollback()
-  finally:
-    conn.close()
-    logger.info("Database connection closed")
-
-if __name__ == "__main__":
-  main()
-
-       
-