Improved docker build instructions in README.md

.env

@@ -17,5 +17,4 @@ POWER_TARGET_MIN=0                  # minimum percentage for the inverter output
 POWER_TARGET_MAX=100                # maximum percentage for the inverter output limit, default: 100.0 [%]
 POWER_DAMPING_FACTOR=0.7            # damping factor for changes of the inverter output limit (between 0-1), default: 0.3
 POWER_LIMIT_CHANGE_TRESHOLD=0.3     # set a treshold for the api calls: they will not be executed if the new limit isn't that much higher, default: 0.5 
-POWER_LIMIT_TYPE=1                  # the power limit type; DON'T CHANGE if you don't know what you're doing, default: 1 (see https://github.com/tbnobody/OpenDTU/discussions/742)
 PYTHONUNBUFFERED=1                  # for use in docker images (for fast logs, ...)

README.md

@@ -1,6 +1,9 @@
 # SolarControl
 
-Enforce a zero export (or whatever consumption you like) policy with an OpenDTU-controlled inverter and energy data from MQTT
+![Version badge](https://shields.privacynerd.de/badge/Latest-v1.1-green?style=flat-square)
+![DockerHub pulls badge](https://shields.privacynerd.de/docker/pulls/bluefox42/solarcontrol?style=flat-square)
+
+Enforce a zero export (or whatever consumption you like) policy with an OpenDTU-controlled inverter and energy data from MQTT.
 
 
 ## Configuring and usage
@@ -42,6 +45,7 @@ docker login  # login to docker hub
 docker buildx create --name buildx-multi-arch
 docker buildx use buildx-multi-arch
 docker buildx build --no-cache --platform linux/amd64,linux/386,linux/arm/v5,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x -t bluefox42/solarcontrol:<VERSION> -t bluefox42/solarcontrol:latest . --push
+docker logout  # so that credentials are no longer stored in clear but are deleted
 ```
 
 

solarcontrol.py

@@ -8,7 +8,6 @@ from time import time, sleep
 import json
 from threading import Thread
 import requests
-import urllib3  # only for exception handling
 import math
 
 
@@ -45,9 +44,12 @@ power_target_min = float(os.getenv('POWER_TARGET_MIN', 0))
 power_target_max = float(os.getenv('POWER_TARGET_MAX', 100))
 power_damping_factor = float(os.getenv('POWER_DAMPING_FACTOR', 0.3))
 power_limit_change_treshold = float(os.getenv('POWER_LIMIT_CHANGE_TRESHOLD', 0.5))
-power_limit_type = int(os.getenv('POWER_LIMIT_TYPE', 1))
 dry_run = bool(int(os.getenv('DRY_RUN', 1)))
 
+# set other important variables
+power_limit_type = 1  # only set the limit temporary to avoid memory damage; see also: https://github.com/tbnobody/OpenDTU/discussions/742
+version = "v1.1"  # the version number
+
 # some checks for the correctness of supplied data
 if power_target_min < 0: power_target_min = 0
 if power_target_max > 100: power_target_max = 100
@@ -55,6 +57,9 @@ if power_damping_factor < 0: power_damping_factor = 0.0
 if power_damping_factor > 1: power_damping_factor = 1.0
 
 
+print(f"{bcolors.OKCYAN}Welcome to {bcolors.ENDC}{bcolors.OKBLUE}{bcolors.BOLD}SolarControl{bcolors.ENDC}{bcolors.OKCYAN} ({version})!{bcolors.ENDC}")
+
+
 # create the powers dict (containing the current use) and data variables (for thread sharing)
 powers_raw = {"solar": 0, "solar_ts": 0, "house": 0, "house_ts": 0}
 powers = {"total": None, "total_house": None, "total_solar": None, "timestamp": 0}
@@ -106,8 +111,8 @@ def threaded_solar_power_limit_setting():
         # Get current openDTU current limit status
         try:
             status = requests.get(opendtu_address.strip("/") + "/api/limit/status", auth=(opendtu_user, opendtu_pwd)).json().copy()
-        except (requests.exceptions.RequestException, urllib3.exceptions.HTTPError) as e:
+        except BaseException as e:
-            print(f"{bcolors.ERROR}Some error occured while trying to reach out to OpenDTU to get latest data about the inverter limit status. Skipping for now.{bcolors.ENDC}\n==== START OF EXCEPTION ====\n{e}\n==== END OF EXCEPTION ====")
+            print(f"{bcolors.FAIL}Some error occured while trying to reach out to OpenDTU to get latest data about the inverter limit status. Skipping for now.{bcolors.ENDC}\n==== START OF EXCEPTION ====\n{e}\n==== END OF EXCEPTION ====")
             sleep(0.2)  # wait some time (to avaid cpu overload on continuous unavailability of the service)
             continue  # skip this loop pass
 
@@ -156,7 +161,7 @@ def threaded_solar_power_limit_setting():
                 else:
                     print(f"{bcolors.WARNING}Now the new limit would be set via the API (but DRY_RUN is either not specified or True): {str(new_limit)}%")
         elif status[opendtu_inverter_sn]["max_power"] == 0:
-            print(f"{bcolors.ERROR}OpenDTU is reporting strange values for the inverter's maximum power output. Skipping it for now.{bcolors.ENDC}")
+            print(f"{bcolors.FAIL}OpenDTU is reporting strange values for the inverter's maximum power output. Skipping it for now.{bcolors.ENDC}")
 
 
         while (time() - last_time) < limit_update_interval: