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# Stack Orchestrator
Stack Orchestrator allows building and deployment of a Laconic stack on a single machine.
Stack Orchestrator allows building and deployment of a Laconic stack on a single machine with minimial prerequisites.
## Setup
### Developer Mode
Developer mode runs the orchestrator from a cloned git repository.
#### Prerequisites
1. Python3
1. Docker
Stack Orchestrator is a Python3 CLI tool that runs on any OS with Python3 and Docker. Tested on: Ubuntu 20/22.
Ensure that the following are already installed:
1. Python3 (the version 3.8 available in Ubuntu 20/22 works)
```
$ python3 --version
Python 3.8.10
```
1. Docker (Install a current version from dockerco, don't use the version from any Linux distro)
```
$ docker --version
Docker version 20.10.17, build 100c701
```
#### Install
1. Clone this repository:
```
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There are three sub-commands: `setup-repositories`, `build-containers` and `deploy-system` that are generally run in order:
### Setup Repositories
Clones the set of git repositories necessary to build a system.
Note: the use of `ssh-agent` is recommended in order to avoid entering your ssh key passphrase for each repository.
```
$ laconic-so --verbose setup-repositories
```
### Build Containers
Builds the set of docker container images required to run a system.
Builds the set of docker container images required to run a system. It takes around 10 minutes to build all the containers from cold.
```
$ laconic-so --verbose build-containers
```
### Deploy System
Uses `docker compose` to deploy a system.
Use `---include <list of components>` to deploy a subset of all containers:
```
$ laconic-so --verbose deploy-system --include db-sharding,contract,ipld-eth-server,go-ethereum-foundry up
```
```
$ laconic-so --verbose deploy-system --include db-sharding,contract,ipld-eth-server,go-ethereum-foundry down
```
## Implementation
The orchestrator's operation is driven by files shown below. `repository-list.txt` container the list of git repositories; `container-image-list.txt` contains
the list of container image names, while `clister-list.txt` specifies the set of compose components (corresponding to individual docker-compose-xxx.yml files which may in turn specify more than one container).
Files required to build each container image are stored under `./container-build/<container-name>`
Files required at deploy-time are stored under `./config/<component-name>`
```
├── cluster-list.txt
├── compose