testnet-ops/stack-orchestrator-setup/README.md
2024-10-23 18:46:12 +05:30

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# stack-orchestrator-setup
## Prerequisites
- Setup Ansible: To get started, follow the [installation](../README.md#installation) guide to setup ansible on your machine.
- Setup user with passwordless sudo: Follow steps from [Setup a user](../user-setup/README.md#setup-a-user) to setup a new user with passwordless sudo
## Setup Stack Orchestrator
This playbook will install Docker and Stack Orchestrator (laconic-so) on the machine if they aren't already present.
Run the following commands in the [`stack-orchestrator-setup`](./) directory.
- Create a new `hosts.ini` file:
```bash
cp ../hosts.example.ini hosts.ini
```
- Edit the [`hosts.ini`](./hosts.ini) file to run the playbook on a remote machine:
```ini
[deployment_host]
<host_name> ansible_host=<target_ip> ansible_user=<ssh_user> ansible_ssh_common_args='-o ForwardAgent=yes'
```
- Replace `<host_name>` with the alias of your choice
- Replace `<target_ip>` with the IP address or hostname of the target machine
- Replace `<ssh_user>` with the username of the user that you set up on target machine (e.g. dev, ubuntu)
- Verify that you are able to connect to the host using the following command
```bash
ansible all -m ping -i hosts.ini
# Expected output:
# <host_name> | SUCCESS => {
# "ansible_facts": {
# "discovered_interpreter_python": "/usr/bin/python3.10"
# },
# "changed": false,
# "ping": "pong"
# }
```
- Execute the `setup-laconic-so.yml` Ansible playbook for setting up stack orchestrator and docker on the target machine:
```bash
LANG=en_US.utf8 ansible-playbook setup-laconic-so.yml -i hosts.ini --extra-vars='{ "target_host": "deployment_host"}' --user $USER
```
## Verify Installation
Run the following commands on your target machine:
- After the installation is complete, verify if `$HOME/bin` is already included in the `PATH` by running:
```bash
echo $PATH | grep -q "$HOME/bin" && echo "$HOME/bin is already in PATH" || echo "$HOME/bin is not in PATH"
```
If the command outputs `"$HOME/bin is not in PATH"`, you'll need to add it to your `PATH`.
- To add `$HOME/bin` to your `PATH`, run the following command:
```bash
export PATH="$HOME/bin:$PATH"
```
- To make this change permanent, add the following line to your shell configuration file (`~/.bashrc` or `~/.zshrc`, depending on your shell):
```bash
# For bash users
echo 'export PATH="$HOME/bin:$PATH"' >> ~/.bashrc
source ~/.bashrc
# For zsh users
echo 'export PATH="$HOME/bin:$PATH"' >> ~/.zshrc
source ~/.zshrc
```
- Once the PATH is set, verify the installation by running the following commands:
```bash
# Check version of docker
docker --version
# Check version of docker compose
docker compose version
# Check version of Stack Orchestrator
laconic-so version
```