stack-orchestrator/docs/CONTRIBUTING.md

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# Contributing
Thank you for taking the time to make a contribution to Stack Orchestrator.
## Install (developer mode)
Suitable for developers either modifying or debugging the orchestrator Python code:
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### Prerequisites
In addition to the pre-requisites listed in the [README](/README.md), the following are required:
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1. Python venv package
This may or may not be already installed depending on the host OS and version. Check by running:
```
$ python3 -m venv
usage: venv [-h] [--system-site-packages] [--symlinks | --copies] [--clear] [--upgrade] [--without-pip] [--prompt PROMPT] ENV_DIR [ENV_DIR ...]
venv: error: the following arguments are required: ENV_DIR
```
If the venv package is missing you should see a message indicating how to install it, for example with:
```
$ apt install python3.10-venv
```
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### Install
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1. Clone this repository:
```
$ git clone (https://github.com/cerc-io/stack-orchestrator.git
```
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2. Enter the project directory:
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```
$ cd stack-orchestrator
```
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3. Create and activate a venv:
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```
$ python3 -m venv venv
$ source ./venv/bin/activate
(venv) $
```
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4. Install the cli in edit mode:
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```
$ pip install --editable .
```
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5. Verify installation:
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```
(venv) $ laconic-so
Usage: laconic-so [OPTIONS] COMMAND [ARGS]...
Laconic Stack Orchestrator
Options:
--quiet
--verbose
--dry-run
-h, --help Show this message and exit.
Commands:
build-containers build the set of containers required for a complete...
deploy-system deploy a stack
setup-repositories git clone the set of repositories required to build...
```
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## Build a zipapp (single file distributable script)
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Use shiv to build a single file Python executable zip archive of laconic-so:
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1. Install [shiv](https://github.com/linkedin/shiv):
```
$ (venv) pip install shiv
$ (venv) pip install wheel
```
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2. Run shiv to create a zipapp file:
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```
$ (venv) shiv -c laconic-so -o laconic-so .
```
This creates a file `./laconic-so` that is executable outside of any venv, and on other machines and OSes and architectures, and requiring only the system Python3:
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3. Verify it works:
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```
$ cp stack-orchetrator/laconic-so ~/bin
$ laconic-so
Usage: python -m laconic-so [OPTIONS] COMMAND [ARGS]...
Laconic Stack Orchestrator
Options:
--quiet
--verbose
--dry-run
-h, --help Show this message and exit.
Commands:
build-containers build the set of containers required for a complete...
deploy-system deploy a stack
setup-repositories git clone the set of repositories required to build...
```
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For cutting releases, use the [shiv build script](/scripts/build_shiv_package.sh).