exec-notify/README.md
2022-02-28 13:44:53 +01:00

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# execNotify
* Send email notification if command fails with [de-p1st-execNotify](src/de/p1st/exec_notify/execNotify.py).
* Send unconditional notifications with [de-p1st-notify](src/de/p1st/exec_notify/notify.py).
## Installation - venv
More detailed instructions about _venv_ can be found at [https://docs.python.org/3/library/venv.html](https://docs.python.org/3/library/venv.html)
Create a _venv_:
```shell
python3 -m venv ~/execNotify/venv
```
Activate the venv:
```shell
source ~/execNotify/venv/bin/activate
# echo "VIRTUAL_ENV=${VIRTUAL_ENV}"
```
And choose one source of installation:
```shell
# Install from git URL
python3 -m pip install git+https://codeberg.org/privacy1st/execNotify
# Install from local directory
python3 -m pip install ~/Downloads/git/execNotify/
# Install the module from TestPyPI
python3 -m pip install --index-url https://test.pypi.org/simple/ --no-deps --upgrade de.p1st.exec-notify
```
Note about usage of TestPyPI and `--no-deps`:
> Since TestPyPI doesnt have the same packages as the live PyPI, its possible that attempting
> to install dependencies may fail or install something unexpected. While this package
> doesnt have any dependencies, its a good practice to avoid installing dependencies when
> using TestPyPI.
(Optionally) list installed modules:
```shell
pip list
```
## Installation - global
Requires `pip` (e.g. `pacman -S --needed python-pip`).
Note: Make sure that pip is up-to-date and matches your python version:
```shell
python --version
#=> Python 3.10.1
pip --version
#=> pip 20.3.4 from /usr/lib/python3.10/site-packages/pip (python 3.10)
```
Then install with one of the following options:
```shell
sudo python3 -m pip install --upgrade git+https://codeberg.org/privacy1st/execNotify
sudo python3 -m pip install --upgrade ~/Downloads/git/execNotify/
sudo python3 -m pip install --upgrade --index-url https://test.pypi.org/simple/ --no-deps de.p1st.exec-notify
```
## Configuration
Create configuration file `/etc/execNotify/cfg.ini`:
```shell
install -Dm0600 /etc/execNotify/cfg.ini << 'EOF'
[DEFAULT]
[mail]
host = smtp.example.com
port = 465
password = examplePassword
from = noreply@example.com
to = me@example.com
[file]
maildir = /home/exampleUser/mail/
EOF
```
See also: [./etc/execNotify/cfg.ini.example](etc/execNotify/cfg.ini.example)
## Usage
### Usage of execNotify
Add `de-p1st-execNotify` in front of your command to execute.
**Example:**
`de-p1st-execNotify ls /non/existent/file` will mail you the exit code, stdout and stderr of `ls /non/existent/file`
### Usage of notify
Send stdout via mail:
`echo "Hello world!" | de-p1st-notify`
Send stdout and stderr via mail:
`echo "Hello world!" 2>&1 | de-p1st-notify`
Send stdout and specify an optional email subject:
`echo "Hello world!" | de-p1st-notify "someSubject"`
Send message without using a pipe:
`de-p1st-notify "someSubject" "Hello World! What's up?"`
## Development
When started with environment variable `DE_P1ST_EXEC_NOTIFY` set,
then the configuration file is read from [./etc/execNotify/cfg.ini](etc/execNotify/cfg.ini).
### Testing
See heading "Installation" above with steps to locally install this module.
### Uploading to TestPyPI
More detailed instructions can be found at [https://packaging.python.org/tutorials/packaging-projects/](https://packaging.python.org/tutorials/packaging-projects/)
1) Set up a _venv_
2) Increase/Adjust `[metadata][version]` in [setup.cfg](setup.cfg)
3) Install the `build` and `twine` modules to your _venv_.
4) Next generate a [distribution archive](https://packaging.python.org/tutorials/packaging-projects/#generating-distribution-archives):
```shell
python3 -m build
```
5) Upload the distribution packages with twine. For the username, use `__token__`. For the password, use a
[test.pypi.org API token](https://test.pypi.org/manage/account/#api-tokens):
```shell
python3 -m twine upload --repository testpypi dist/*
```
6) Congratulations! You can view the uploaded module under:
* [https://test.pypi.org/project/de.p1st.exec_notify/](https://test.pypi.org/project/de.p1st.exec_notify/)