DNS:: Drone Navigation System

L3, named after L3-37 is a drone navigation service for Atlas Corp, which helps navigating drone fleet to locate appropriate data bank for a specified sector. It exposes JSON REST API's and excepts HTTP requests from drones deployed in the specified sector.

Instruction to Build

The Build commands are abstracted using make, following make commnads are available to use with the project.

make compile

Build Docker

 make docker-build image=<IMAGE-TAG>

Instruction to Run

Run Docker

make docker-run

Run Webserver

l3 serve --sector-id 2

Running Tests

go test ./...

Web Server Documentation

API Documentation

Deployment

Deployment manifests with kuberentes is available at hack/k8s. Following instructions can be used with any k8s cluster including minikube or kind.

Monitoring

Promethues monitoring pull endpoint is available at /metrics. We can configure a promethues to pull data by adding the following config

global:
  evaluation_interval: 1m
  scrape_interval: 10s
  scrape_timeout: 10s

rule_files:
- /etc/config/rules
- /etc/config/alerts
scrape_configs:
- job_name: prometheus
  static_configs:
  - targets:
    - localhost:9090
- job_name: kubernetes-service-endpoints
  kubernetes_sd_configs:
  - role: endpoints
  relabel_configs:
  - action: replace
    regex: (https?)
    source_labels:
    - __meta_kubernetes_service_annotation_prometheus_io_scheme
    target_label: __scheme__
  - action: replace
    regex: (.+)
    source_labels:
    - __meta_kubernetes_service_annotation_prometheus_io_path
    target_label: __metrics_path__
  - action: replace
    regex: ([^:]+)(?::\d+)?;(\d+)
    replacement: $1:$2
    source_labels:
    - __address__
    - __meta_kubernetes_service_annotation_prometheus_io_port
    target_label: __address__
  - action: labelmap
    regex: __meta_kubernetes_service_label_(.+)
  - action: replace
    source_labels:
    - __meta_kubernetes_namespace
    target_label: kubernetes_namespace
  - action: replace
    source_labels:
    - __meta_kubernetes_service_name
    target_label: kubernetes_name

a8uhnf/l3