minor: 📝 update CHANGELOG

no persistent status file was written in case of an error as the return status code was always 0

.gitchangelog.rc

@@ -82,24 +82,34 @@ ignore_regexps = [
 ## whenever you are tweaking this variable.
 ##
 section_regexps = [
-    ('New', [
+    ('Features', [
-        r'^:sparkles\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+        r'^[fF]eat\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
      ]),
-    ('Changes', [
+    ('Added', [
-        r'^:wrench\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+        r'^[aA]dd\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+     ]),
+    ('Changed', [
+        r'^[cC]hange\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+     ]),
+    ('Deprecated', [
+        r'^[dD]epricated\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+     ]),
+    ('Removed', [
+        r'^[rR]emove\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
      ]),
     ('Fix', [
-        r'^:bug\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+        r'^[fF]ix\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+     ]),
+    ('Security', [
+        r'^[sS]ec\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
      ]),
     ('Documentation', [
-        r'^:memo\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
+        r'^[dD]oc\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
-     ]),     
+     ]),
-    ('Remove', [
-        r'^:fire\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n]*)$',
-     ]),     
 
-    ('Other', None ## Match all lines
+
-     ),
+    #('Other', None ## Match all lines
+    # ),
 
 ]
 
@@ -148,7 +158,7 @@ body_process = ReSub(r'((^|\n)[A-Z]\w+(-\w+)*: .*(\n\s+.*)*)+$', r'') | strip
 ##
 ## Available constructs are those listed in ``body_process`` doc.
 subject_process = (strip |
-    ReSub(r'^([cC]hg|[fF]ix|[nN]ew)\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n@]*)(@[a-z]+\s+)*$', r'\4') |
+    ReSub(r'^([cC]hg|[fF]ix|[nN]ew|[dD]oc|[fF]eat|[aA]dd|[cC]hange)\s*:\s*((dev|use?r|pkg|test|doc)\s*:\s*)?([^\n@]*)(@[a-z]+\s+)*$', r'\4') |
     SetIfEmpty("No commit message.") | ucfirst | final_dot)
 
 

.github/workflows/shellcheck.yml

@@ -0,0 +1,16 @@
+name: Run shellcheck with reviewdog
+on: [pull_request]
+jobs:
+  shellcheck:
+    name: runner / shellcheck
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: shellcheck
+        uses: reviewdog/action-shellcheck@v1.9.0
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          reporter: github-pr-review
+          path: "."
+          pattern: "*.sh"
+          exclude: "./.git/*"

.gitignore

@@ -1,2 +1,3 @@
 .env*
 docker-compose*
+.vscode

CHANGELOG.md

@@ -1,127 +1,228 @@
 # Changelog
 
 
+## 0.5.3 (2023-02-26)
+
+### Fix
+
+* Set constant alpine version as latest couses issues. [Eduard Veit]
+
+
+## 0.5.2 (2023-02-26)
+
+### Fix
+
+* Incorrect dns ip handling via domrobot. [Eduard Veit]
+
+
+## 0.5.1 (2022-11-21)
+
+### Features
+
+* Use provider checkip API. [Eduard Veit]
+
+### Fix
+
+* Handle some curl exit codes. [Eduard Veit]
+
+
+## 0.5.0 (2022-11-10)
+
+### Features
+
+* Use provider DNS servers. [Eduard Veit]
+
+* Temporarily disable an ip version if the connectivity/routing does not work. [Eduard Veit]
+
+### Documentation
+
+* 📝 update default values in table. [Eduard Veit]
+
+
+## 0.4.0 (2022-11-07)
+
+### Features
+
+* ✨ add support for dynu.com as DynDNS2 provider. [Eduard Veit]
+
+### Documentation
+
+* 📝 add dynu.com as DynDNS2 provider. [Eduard Veit]
+
+
+## 0.3.5 (2022-11-03)
+
+### Features
+
+* ✨ add support for IPv64.net as DynDNS2 provider. [Eduard Veit]
+
+### Fix
+
+* Delete status file after success. [Eduard Veit]
+
+* More status file issues. [Eduard Veit]
+
+* Incorrect status code handling. [Eduard Veit]
+
+  no persistent status file was written in case of an error as the return status code was always 0
+
+### Documentation
+
+* 📝 change TTL to 60 for IPv64.net. [Eduard Veit]
+
+* 📝 add IPv64.net as DynDNS2 provider. [Eduard Veit]
+
+
+## 0.3.4 (2022-06-30)
+
+### Features
+
+* ✨ add support for ddnss.de as DynDNS2 provider. [Eduard Veit]
+
+### Documentation
+
+* 📝 update providers in README. [Eduard Veit]
+
+
+## 0.3.3 (2022-06-07)
+
+### Fix
+
+* Wrong parameter name for DuckDNS. [Eduard Veit]
+
+### Documentation
+
+* 📝 add comments to docker-compose.yml example. [Eduard Veit]
+
+
+## 0.3.2 (2022-05-26)
+
+### Features
+
+* ✨ add tzdata to Dockerfile for timezone config. [Eduard Veit]
+
+  You can now set your timezone with the environment variable
+  `TZ="Europe/Berlin"`
+
+
+## 0.3.1 (2022-05-26)
+
+### Fix
+
+* 🐛 curl/libcurl doesn't support dns-server option. [Eduard Veit]
+
+  the latest alpine we are using for the docker image
+  does also drops the support for that option like debian/ubuntu/etc
+
+
+## 0.3.0 (2022-05-26)
+
+### Features
+
+* ✨ validate ip address respons from ip check web service. [Eduard Veit]
+
+* ✨ check internet connection for selected ip versions. [Eduard Veit]
+
+* 🎨 colorful info, debug and error messages. [Eduard Veit]
+
+### Fix
+
+* Abort on all dig errors. [Eduard Veit]
+
+### Documentation
+
+* 📝 add labels to Dockerfile. [Eduard Veit]
+
+
 ## 0.2.0 (2021-09-24)
 
-### New
+### Features
 
-* :sparkles: enable parameter extensions for `docker run --interactive` [Eduard Veit]
+* ✨ enable parameter extensions for `docker run --interactive` [Eduard Veit]
 
-* :sparkles: add pre-commit hooks for markdown. [Eduard Veit]
+### Changed
 
-* :sparkles: change git hooks and add shfmt. [Eduard Veit]
+* Handle dns server selection. [Eduard Veit]
-
-* :sparkles: add pre-commit git hook for shellcheck. [Eduard Veit]
-
-### Changes
-
-* :wrench: remove md-toc from pre-commit. [Eduard Veit]
-
-* :wrench: handle dns server selection. [Eduard Veit]
 
 ### Documentation
 
-* :memo: update CHANGELOG.md. [Eduard Veit]
+* 📝 update CHANGELOG.md. [Eduard Veit]
 
-* :memo: document docker parameters. [Eduard Veit]
+* 📝 document docker parameters. [Eduard Veit]
 
-* :memo: change default dns server setting. [Eduard Veit]
+* 📝 change default dns server setting. [Eduard Veit]
 
-* :memo: update CHANGELOG. [Eduard Veit]
+* 📝 update CHANGELOG. [Eduard Veit]
 
-* :memo: update README.md. [Eduard Veit]
+* 📝 update README.md. [Eduard Veit]
-
-### Other
-
-* :art: lint README.md. [Eduard Veit]
-
-* :art: add shfmt params to pre-commit check. [Eduard Veit]
-
-* :art: fix shell style. [Eduard Veit]
-
-* :recycle: seperate parsing logic. [Eduard Veit]
-
-* :recycle: normalizing pre-commit configuration to a top-level map. [Eduard Veit]
-
-* :recycle: refactorings. [Eduard Veit]
-
-* Refactor: :recycle: remove unused help message. [Eduard Veit]
 
 
 ## 0.1.2 (2021-04-23)
 
 ### Documentation
 
-* :memo: document environment variables. [Eduard Veit]
+* 📝 document environment variables. [Eduard Veit]
-
-### Other
-
-* :recycle: refactor: method extractions and other beautifications. [Eduard Veit]
 
 
 ## 0.1.1 (2021-04-23)
 
 ### Fix
 
-* :bug: fix loop and error handling in case of connection issues. [Eduard Veit]
+* 🐛 fix loop and error handling in case of connection issues. [Eduard Veit]
 
 
 ## 0.1.0 (2021-04-22)
 
-### New
+### Features
 
-* :sparkles: add Dockerfile. [Eduard Veit]
+* ✨ add Dockerfile. [Eduard Veit]
 
-* :sparkles: add loop mode. [Eduard Veit]
+* ✨ add loop mode. [Eduard Veit]
 
-* :sparkles: add support for Duck DNS as DynDNS2 provider. [Eduard Veit]
+* ✨ add support for Duck DNS as DynDNS2 provider. [Eduard Veit]
 
-* :sparkles: add support for deSEC as DynDNS2 provider. [Eduard Veit]
+* ✨ add support for deSEC as DynDNS2 provider. [Eduard Veit]
 
-* :sparkles: add completion. [Eduard Veit]
+* ✨ add completion. [Eduard Veit]
 
-  :sparkles: add man page
+  ✨ add man page
 
-* :sparkles: replace getopt with argbash. [Eduard Veit]
+* 🔃 replace getopt with argbash. [Eduard Veit]
 
-* :sparkles: add interpretaton of status codes and act accordingly. [Eduard Veit]
+* ✨ add interpretaton of status codes and act accordingly. [Eduard Veit]
 
-* :sparkles: make network interface configurable. [Eduard Veit]
+* ✨ make network interface configurable. [Eduard Veit]
 
-* :sparkles: add DynDNS2 support for dynv6.com. [Eduard Veit]
+* ✨ add DynDNS2 support for dynv6.com. [Eduard Veit]
 
-* :sparkles: add .gitchangelog.rc. [Eduard Veit]
+### Added
 
-* :sparkles: add dynb.sh. [Eduard Veit]
+* 📝 README.md. [Eduard Veit]
+
+* ✨ dynb.sh. [Eduard Veit]
+
+### Changed
+
+* 🔃 rename environment variables. [Eduard Veit]
 
 ### Fix
 
-* :bug: fix sourcing of config file. [Eduard Veit]
+* 🐛 fix error handling. [Eduard Veit]
 
-  :recycle: do some shellcheck fixes
+* 🐛 fix sourcing of config file. [Eduard Veit]
+
+  ♻️ do some shellcheck fixes
 
 ### Documentation
 
-* :memo: document example of an docker-compose.yml file. [Eduard Veit]
+* 📝 document example of an docker-compose.yml file. [Eduard Veit]
 
-* :memo: document loop mode and dig as requirement. [Eduard Veit]
+* 📝 document `loop mode` and mention `dig` as requirement. [Eduard Veit]
 
-* :memo: update example of .env in README.md. [Eduard Veit]
+* 📝 update example of .env in README.md. [Eduard Veit]
 
-* :memo: add CHANGELOG.md. [Eduard Veit]
+* 📝 CHANGELOG.md. [Eduard Veit]
 
-* :memo: add example.env. [Eduard Veit]
+* 📝 add example.env. [Eduard Veit]
-
-* :memo: write README.md. [Eduard Veit]
-
-### Other
-
-* :recycle: refactor: rename environment variables. [Eduard Veit]
-
-* :recycle: refactor, fix and debug error handling. [Eduard Veit]
-
-* :recycle: refactor main code. [Eduard Veit]
-
-* Initial commit. [EV21]
 
 

Dockerfile

@@ -1,4 +1,5 @@
-FROM alpine:latest
+FROM alpine:3.16.4
+
 RUN \
 apk update \
 && \
@@ -6,7 +7,15 @@ apk add \
 bash \
 curl \
 jq \
-bind-tools
+bind-tools \
+tzdata
+
 WORKDIR /usr/src/app
+
 COPY . .
-ENTRYPOINT ["/bin/bash", "/usr/src/app/dynb.sh"]
+
+ENTRYPOINT ["/bin/bash", "/usr/src/app/dynb.sh"]
+
+LABEL org.opencontainers.image.source="https://github.com/EV21/dynb"
+LABEL org.opencontainers.image.description="DynB - dynamic DNS update client."
+LABEL org.opencontainers.image.licenses="MIT"

README.md

@@ -7,8 +7,6 @@ IPv4 (A) and IPv6 (AAAA) record updates are supported.
 <!-- TOC -->
 
 - [✨ Update Methods](#-update-methods)
-  - [APIs](#apis)
-  - [DynDNS2](#dyndns2)
 - [📦 Requirements](#-requirements)
 - [🚀 Installation](#-installation)
 - [⚙ Configuration](#-configuration)
@@ -25,18 +23,16 @@ IPv4 (A) and IPv6 (AAAA) record updates are supported.
 
 The following update methods are currently implemented:
 
-### APIs
+| Provider            | API                   | TTL in seconds | Credentials                                                                                  | own domain via NS record                 | free (sub-) domain                   |
-
+|---------------------|-----------------------|----------------|----------------------------------------------------------------------------------------------|------------------------------------------|--------------------------------------|
-- INWX.com Domrobot JSON-RPC-API\
+| INWX.com            | Domrobot JSON-RPC-API | 300            | customer login `username` & `password`. Mobile TAN (OTP) is currently not supported by DynB. | ✔️ 🆓 for your registered domains @ inwx | ⛔ for your registered domains @ inwx |
-  Limitations:
+| INWX.com            | DynDNS2               | 60             | specific dyndns `username` & `password`                                                      | ✔️ 🆓 for your registered domains @ inwx | ⛔ for your registered domains @ inwx |
-  - minimum TTL is 300 (5 minutes)
+| deSEC.io (dedyn.io) | DynDNS2               | 60             | `token`                                                                                      | ✔️ 🆓                                    | ✔️                                   |
-
+| DuckDNS.org         | DynDNS2               | 60             | `token`                                                                                      | ⛔                                        | ✔️                                   |
-### DynDNS2
+| dynv6.com           | DynDNS2               | 60             | `token`                                                                                      | ✔️ 🆓                                    | ✔️                                   |
-
+| ddnss.de            | DynDNS2               | 10             | `update key` as `token`                                                                      | ⛔                                        | ✔️                                   |
-- INWX.com
+| IPv64.net           | DynDNS2               | 60             | `DynDNS Updatehash` as `token`                                                               | ✔️ 💲                                    | ✔️                                   |
-- deSEC.io (dedyn.io)
+| dynu.com            | DynDNS2               | 30             | `username` & `password`                                                                      | ✔️ 🆓                                    | ✔️                                   |
-- DuckDNS.org
-- dynv6.com
 
 ## 📦 Requirements
 
@@ -57,7 +53,7 @@ or simply clone this repo
 git clone https://github.com/EV21/dynb.git
 ```
 
-If you want to add the script to you PATH, run :point_down:
+If you want to add the script to you PATH, run 👇
 
 ```shell
 bash dynb.sh --link
@@ -79,7 +75,7 @@ DYNB_SERVICE_PROVIDER=inwx
 ## update method options: domrobot, dyndns
 DYNB_UPDATE_METHOD=domrobot
 
-## ip mode could be either: 4, 6 or dual for dualstack
+## ip mode could be either: 4, 6 or 64 for dualstack
 DYNB_IP_MODE=64
 
 ## If you are using the DomRobot RPC-API enter your credentials for the web interface login here
@@ -92,14 +88,14 @@ DYNB_TOKEN=
 
 ## 🏃 Run
 
-If you have a config file just run :point_down:
+If you have a config file just run 👇
 
 ```bash
 dynb
 ```
 
 Alternatively you can use parameters if your system meets the relevant requirements. This example shows the long form parameter, there are also short ones.\
-Call the help function :point_down:
+Call the help function 👇
 
 ```bash
 dynb --help
@@ -123,13 +119,13 @@ Just use the parameter `--interval 60` or the environment variable `DYNB_INTERVA
 
 ### crontab
 
-execute :point_down:
+execute 👇
 
 ```bash
 crontab -e
 ```
 
-then enter :point_down: to run dynb every five minutes.
+then add the following line 👇 to run dynb every five minutes.
 
 ```bash
 */5 * * * * $HOME/.local/bin/dynb >> $HOME/.local/share/dynb/dynb-cron.log
@@ -155,32 +151,40 @@ services:
     image: ev21/dynb
     container_name: dynb
     network_mode: host
-    build:
+    stdin_open: true
-      context: .
+    tty: true
-      dockerfile: ./Dockerfile
     environment:
       - DYNB_DYN_DOMAIN=dyndns.example.com
-      - DYNB_SERVICE_PROVIDER=inwx
+      # Providers: deSec, DuckDNS, dynv6, inwx, ddnss, ipv64
+      - DYNB_SERVICE_PROVIDER=desec
+      # Possible update methods are: dyndns, domrobot
       - DYNB_UPDATE_METHOD=dyndns
+      # IP modes: 4 (IPv4 only), 6 (IPv6 only), 64 both
       - DYNB_IP_MODE=64
+      # If your provider uses tokens use DYNB_TOKEN instead of DYNB_USERNAME and DYNB_PASSWORD
       - DYNB_USERNAME=User42
       - DYNB_PASSWORD=SuperSecretPassword
-      - DYNB_INTERVAL=60
+      # The interval in seconds is the time the script waits before executing it again
+      - DYNB_INTERVAL=300
+      # TZ: Timezone setting for correct log time
+      - TZ=Europe/Berlin
+      # TERM: For colorful console output (attached mode)
+      - TERM=xterm-256color
 ```
 
 ## environment variables
 
-| variable              | default value   | description                                                                                                    |
+| variable              | default value                                                                                                                  | description                                                                                                    |
-| --------------------- | --------------- | -------------------------------------------------------------------------------------------------------------- |
+|-----------------------|--------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------|
-| DYNB_DYN_DOMAIN       | undefined       | required; `dyndns.example.com`                                                                                 |
+| DYNB_DYN_DOMAIN       | undefined                                                                                                                      | required; `dyndns.example.com`                                                                                 |
-| DYNB_SERVICE_PROVIDER | undefined       | required; `deSEC`, `duckdns`, `dynv6`, `inwx`                                                                  |
+| DYNB_SERVICE_PROVIDER | undefined                                                                                                                      | required; `deSEC`, `duckdns`, `dynv6`, `inwx`, `ddnss`, `ipv64`                                                |
-| DYNB_UPDATE_METHOD    | undefined       | required; `dyndns` or `domrobot` (with inwx)                                                                   |
+| DYNB_UPDATE_METHOD    | undefined                                                                                                                      | required; `dyndns` or `domrobot` (with inwx)                                                                   |
-| DYNB_IP_MODE          | undefined       | required; `4`, `6` or `64` for both                                                                            |
+| DYNB_IP_MODE          | undefined                                                                                                                      | required; `4`, `6` or `64` for both                                                                            |
-| DYNB_USERNAME         | undefined       | the requirement depends on your provider and the update method                                                 |
+| DYNB_USERNAME         | undefined                                                                                                                      | the requirement depends on your provider and the update method                                                 |
-| DYNB_PASSWORD         | undefined       | the requirement depends on your provider and the update method                                                 |
+| DYNB_PASSWORD         | undefined                                                                                                                      | the requirement depends on your provider and the update method                                                 |
-| DYNB_TOKEN            | undefined       | the requirement depends on your provider and the update method                                                 |
+| DYNB_TOKEN            | undefined                                                                                                                      | the requirement depends on your provider and the update method                                                 |
-| DYNB_INTERVAL         | undefined       | without this setting the script/docker container will run one time and exits                                   |
+| DYNB_INTERVAL         | undefined                                                                                                                      | without this setting the script/docker container will run one time and exits                                   |
-| DYNB_DEBUG            | undefined       | more console outputs                                                                                           |
+| DYNB_DEBUG            | undefined                                                                                                                      | more console outputs                                                                                           |
-| DYNB_IPv4_CHECK_SITE  | api64.ipify.org | You need a website or Web-API that outputs your remote IP                                                      |
+| DYNB_IPv4_CHECK_SITE  | tries in this order `ip64.ev21.de` (anonymous logging for 7 days), `api64.ipify.org`, `api.my-ip.io/ip`, `ip.anysrc.net/plain` | You need a website or Web-API that outputs your remote IP                                                      |
-| DYNB_IPv6_CHECK_SITE  | api64.ipify.org | You need a website or Web-API that outputs your remote IP                                                      |
+| DYNB_IPv6_CHECK_SITE  | tries in this order `ip64.ev21.de` (anonymous logging for 7 days), `api64.ipify.org`, `api.my-ip.io/ip`, `ip.anysrc.net/plain` | You need a website or Web-API that outputs your remote IP                                                      |
-| DYNB_DNS_CHECK_SERVER | undefined       | If you are using a local DNS Resolver/Server make sure it answers with the public answer or set another server |
+| DYNB_DNS_CHECK_SERVER | using the DynDNS2 providers DNS servers                                                                                        | If you are using a local DNS Resolver/Server make sure it answers with the public answer or set another server |