Setup Blackbox Exporter in Microsft Azure (WebApp) using Azure CLI

#azure #monitoring #tutorial #beginners

Goal :

Create Blackbox Exporter WebApp in Microsoft Azure using Azure CLI

Pre-Requisite :

Deploying Blackbox Exporter Image to Azure Container Registry Using Azure CLI

Resource will Create :

App Service plan
Storage account
App Service

Script

$ResourceGroupName      = "suryarg"
$LocationName           = "eastus2"
$ACRName                = "suryacr"
$ACRUrl                 = "$ACRName.azurecr.io"

$AppServicePlan         = "suryaasp"
$AppServicePlanSku      = "S1"
$StorageAccountName     = "suryastorageaccountsa"
$StorageAccountSku      = "Standard_ZRS"
$StorageAccountShare    = "suryasblackboxexporter"
$WebAppName             = "suryawablackboxexporter"

#Create App Service Plan
az appservice plan create --resource-group $ResourceGroupName --name $AppServicePlan --is-linux --sku $AppServicePlanSku    

#Create a Storage Account
az storage account create --resource-group $ResourceGroupName --name $StorageAccountName --kind StorageV2 --sku $StorageAccountSku

#Create an Storage Account File Share
az storage share-rm create --resource-group $ResourceGroupName --storage-account $StorageAccountName --name $StorageAccountShare --access-tier "TransactionOptimized" --quota 64

#Create an Webapp for blackboxexporter
az webapp create --resource-group $ResourceGroupName --name $WebAppName --plan $AppServicePlan -i "$ACRUrl/blackbox-exporter:SuryaLatest"

#Create Storage Mount for blackboxexporter WebApp
$storageaccountkey  =   $(az storage account keys list --resource-group $ResourceGroupName --account-name $StorageAccountName --query [0].value -o tsv)

az webapp config storage-account add --resource-group $ResourceGroupName --name $WebAppName --custom-id "config" --storage-type "AzureFiles" --share-name $StorageAccountShare --account-name $StorageAccountName --access-key $storageaccountkey  --mount-path "/config/"

#Set an Environment Variable for blackboxexporter WebApp
az webapp config appsettings set --resource-group $ResourceGroupName --name $WebAppName --settings WEBSITES_PORT=9115

#Set an Startup Commmand for blackboxexporter WebApp
az webapp config set --name $WebAppName --resource-group $ResourceGroupName --startup-file `
"--config.file=/config/blackbox.yml"

blackbox.yml (Upload this file in suryasblackboxexporter Storage Account Share)

modules:
  http_2xx:
    prober: http
  http_post_2xx:
    prober: http
    http:
      method: POST
  tcp_connect:
    prober: tcp
  pop3s_banner:
    prober: tcp
    tcp:
      query_response:
      - expect: "^+OK"
      tls: true
      tls_config:
        insecure_skip_verify: false
  grpc:
    prober: grpc
    grpc:
      tls: true
      preferred_ip_protocol: "ip4"
  grpc_plain:
    prober: grpc
    grpc:
      tls: false
      service: "service1"
  ssh_banner:
    prober: tcp
    tcp:
      query_response:
      - expect: "^SSH-2.0-"
      - send: "SSH-2.0-blackbox-ssh-check"
  irc_banner:
    prober: tcp
    tcp:
      query_response:
      - send: "NICK prober"
      - send: "USER prober prober prober :prober"
      - expect: "PING :([^ ]+)"
        send: "PONG ${1}"
      - expect: "^:[^ ]+ 001"
  icmp:
    prober: icmp
  icmp_ttl5:
    prober: icmp
    timeout: 5s
    icmp:
      ttl: 5