Configure Prometheus with Basic Authentication in Microsoft Azure WebApp

Goal :

• Configuration of Prometheus Basic Authentication in Microsoft Azure WebApp.

Pre-Requisite :

• Deploying Prometheus Image to Azure Container Registry Using Azure CLI
• Setup Prometheus in Microsoft Azure (WebApp) using Azure CLI

Steps

1. Create a web.yml file (documentation)

2. You can also use bcrypt generators on the web

• web.yml (Upload this file in **suryasprometheus** Storage Account Share)

basic_auth_users:
  suryauser: $2a$12$6g5f3MZriVtoOZ7GrCEwzuTBxnPQwHurpktXTXUu1neg/XZeHzipy

• Set an Startup Commmand for Prometheus WebApp which includes web.yml

az webapp config set --name $WebAppName --resource-group $ResourceGroupName --startup-file `
"--config.file=/etc/prometheus/prometheus.yml --web.config.file=/etc/prometheus/web.yml --web.enable-lifecycle --storage.tsdb.retention.time=7d"

• prometheus.yml (Upload this file in **suryasprometheus** Storage Account Share)

# my global config
global:
  scrape_interval: 30s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: 30s # Evaluate rules every 15 seconds. The default is every 1 minute.
  scrape_timeout: 30s #is set to the global default (10s).


# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
  - job_name: "Prometheus"
    static_configs:
      - targets: ["suryawaprometheus.azurewebsites.net"]
    basic_auth:
        username: suryauser
        password: suryapassword