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# Qbitcheck Deployment Guide
## Overview
Qbitcheck is a Python application that monitors qBittorrent connection status and manages remediation when connections fail. This document covers deployment using Docker and Nomad.
## Docker Container
### Building the Container
The container can be built using the provided Dockerfile:
```bash
docker build -t gitea.service.dc1.fbleagh.duckdns.org/sstent/qbitcheck:latest .
```
### Container Details
- **Base Image**: Python 3.11-slim
- **Working Directory**: `/app`
- **Entrypoint**: `python main.py`
- **Health Check**: Process check every 30 seconds
- **Dependencies**: requests, python-consul
### Running Locally
```bash
docker run -d --name qbitcheck gitea.service.dc1.fbleagh.duckdns.org/sstent/qbitcheck:latest
```
## Nomad Deployment
### Job Specification
The Nomad job specification is located in [`qbitcheck.nomad`](qbitcheck.nomad:1). Key features:
- **Job Type**: Service
- **Resources**: 100MHz CPU, 128MB RAM
- **Network**: Host mode
- **Restart Policy**: Exponential backoff with 10 attempts
- **Health Checks**: Process verification
### Deploying to Nomad
```bash
# Plan the job
nomad plan qbitcheck.nomad
# Run the job
nomad run qbitcheck.nomad
# Check job status
nomad status qbitcheck
```
### Service Discovery
The job includes Consul service registration with:
- Service name: `qbitcheck`
- Health checks for process monitoring
- URL prefix tag for routing
## GitHub Actions CI/CD
### Automated Build Pipeline
The GitHub workflow (`.github/workflows/container-build.yml`) automatically builds and pushes the container on:
- Push to `main` branch with changes to relevant files
- Manual workflow dispatch
### Build Process
1. **Multi-architecture**: Builds for both `linux/amd64` and `linux/arm64`
2. **Registry**: Pushes to `gitea.service.dc1.fbleagh.duckdns.org/sstent/qbitcheck`
3. **Tags**: `latest` and git commit SHA
4. **Caching**: Uses GitHub Actions caching for faster builds
### Required Secrets
Ensure these secrets are configured in GitHub:
- `GITEA_TOKEN`: Authentication token for Gitea registry
- `PACKAGE_TOKEN`: Alternative token (fallback)
- `GITHUB_TOKEN`: Default GitHub token (fallback)
## Configuration
### Hardcoded Values
All configuration is currently hardcoded in the application:
- **qBittorrent URL**: `http://sp.service.dc1.consul:8080`
- **Nomad URL**: `http://192.168.4.36:4646`
- **Consul URL**: `http://consul.service.dc1.consul:8500`
- **Tracker Name**: `https://t.myanonamouse.net/tracker.php/VPRYYAL-WpTwnr9G9aIN6044YVZ7x8Ao/announce`
- **Credentials**: admin/adminpass
### Service Dependencies
The application requires access to:
- qBittorrent API (port 8080)
- Nomad API (port 4646)
- VPN Monitoring API (port 8000)
- Consul (port 8500)
## Monitoring and Logging
### Logs
- Container logs output to stdout/stderr
- Nomad captures and manages logs
- Connection status and remediation actions are logged
### Health Checks
- Process health check every 30 seconds
- Automatic restart on failure
- Exponential backoff for restart attempts
## Troubleshooting
### Common Issues
1. **Network Connectivity**: Ensure all dependent services are accessible
2. **Authentication**: Verify qBittorrent credentials if changed
3. **Resource Limits**: Monitor memory usage if experiencing OOM kills
### Debugging
```bash
# View container logs
docker logs qbitcheck
# View Nomad allocation logs
nomad alloc logs -f <allocation-id>
# Check service health in Consul
consul catalog services
```
## Versioning
- Container tags include git commit SHA for traceability
- `latest` tag points to most recent successful build
- Rollback by deploying previous SHA-tagged image
## Security Considerations
- Runs with minimal privileges
- No sensitive data in environment variables (all hardcoded)
- Network access limited to required services
- Regular security updates via base image updates

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# Qbitcheck Docker Container
# Monitors qBittorrent connection status and manages remediation
FROM python:3.11-slim
# Set working directory
WORKDIR /app
# Install system dependencies
RUN apt-get update && apt-get install -y \
curl \
&& rm -rf /var/lib/apt/lists/*
# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
# Copy application code
COPY . .
# Set entrypoint
ENTRYPOINT ["python", "main.py"]
# Health check (simple process check)
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD ps aux | grep python | grep main.py || exit 1

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job "qbitcheck" {
datacenters = ["dc1"]
type = "service"
group "qbitcheck" {
count = 1
network {
mode = "host"
}
task "qbitcheck" {
driver = "docker"
config {
image = "gitea.service.dc1.fbleagh.duckdns.org/sstent/qbitcheck:latest"
force_pull = true
}
resources {
cpu = 100 # 100 MHz
memory = 128 # 128 MB
}
restart {
attempts = 10
interval = "5m"
delay = "25s"
mode = "delay"
}
service {
name = "qbitcheck"
port = "http"
check {
type = "script"
command = "/bin/sh"
args = ["-c", "ps aux | grep python | grep main.py"]
interval = "30s"
timeout = "5s"
}
tags = [
"urlprefix-qbitcheck.service.dc1.consul/",
]
}
}
}
}