metrics.ps1

## Monitor Azure Storage
### https://aka.ms/azuremonitor/storage-metrics

## Azure Monitor Metrics Overview
### https://docs.microsoft.com/en-us/azure/azure-monitor/platform/data-platform-metrics

## Azure Storage monitoring data reference
### https://docs.microsoft.com/en-us/azure/storage/common/monitor-storage-reference

## Azure Monitoring REST API walkthrough
### https://docs.microsoft.com/en-us/azure/azure-monitor/platform/rest-api-walkthrough

## Using the CLI
### https://docs.microsoft.com/en-us/cli/azure/monitor/metrics?view=azure-cli-latest

az login

$sub = "" # Azure Subscription GUID
$rg = "" # Name of resource group with storage account
$acct = "" # Name of storage account

## What metrics are available?
az monitor metrics list-definitions -h

## Account Level Metric Info
### https://docs.microsoft.com/en-us/azure/azure-monitor/platform/metrics-supported#microsoftstoragestorageaccounts
az monitor metrics list-definitions `
    --resource "/subscriptions/$sub/resourceGroups/$rg/providers/Microsoft.Storage/storageAccounts/$acct"  -o table

az monitor metrics list-definitions `
    --resource "/subscriptions/$sub/resourceGroups/$rg/providers/Microsoft.Storage/storageAccounts/$acct"  > acct-metrics.json

## Blob Service Metric Info
### https://docs.microsoft.com/en-us/azure/azure-monitor/platform/metrics-supported#microsoftstoragestorageaccountsblobservices
az monitor metrics list-definitions `
    --resource "/subscriptions/$sub/resourceGroups/$rg/providers/Microsoft.Storage/storageAccounts/$acct/blobServices/default"  -o table

az monitor metrics list-definitions `
    --resource "/subscriptions/$sub/resourceGroups/$rg/providers/Microsoft.Storage/storageAccounts/$acct/blobServices/default"  > blob-metrics.json

## What are the values for a given metric?
az monitor metrics list -h

## Get latency for the last day, averaged by hour
az monitor metrics list `
    --resource "/subscriptions/$sub/resourceGroups/$rg/providers/Microsoft.Storage/storageAccounts/$acct" `
    --end-time ([System.DateTime]::UtcNow).ToString("O") `
    --offset 1d `
    --interval 1h --metric SuccessE2ELatency -o table
    
## Get Used capacity for the last day (entire storage account)
az monitor metrics list `
    --resource "/subscriptions/$sub/resourceGroups/$rg/providers/Microsoft.Storage/storageAccounts/$acct" `
    --end-time ([System.DateTime]::UtcNow).ToString("O") `
    --offset 1d `
    --interval 1h --metric UsedCapacity -o table

## Get Used capacity by temp for the last day (just the blobs in the storage acccount)
az monitor metrics list `
    --resource "/subscriptions/$sub/resourceGroups/$rg/providers/Microsoft.Storage/storageAccounts/$acct/blobServices/default" `
    --end-time ([System.DateTime]::UtcNow).ToString("O") `
    --offset 1d `
    --interval 1h --metric BlobCapacity --dimension Tier -o table




## list blob capacity metrics for every storage account in every subscription that I have access to. 

az login

# List all my subs
$subs = az account list | ConvertFrom-Json

foreach($sub in $subs)
{
    # create a folder for each sub
    $subPath = (($sub.name -replace '[^a-zA-Z0-9\s]') + " (" + $sub.id + ")")
    If(!(test-path $subPath))
    {
        New-Item -ItemType Directory -Force -Path $subPath
    }    

    # list all my resource groups in this sub
    $rgs = az group list --subscription $sub.id | ConvertFrom-Json

    foreach ($rg in $rgs)
    {
        # create a folder for each resource group
        $rgPath = $subPath + '\' + $rg.name
        If(!(test-path $rgPath))
        {
            New-Item -ItemType Directory -Force -Path $rgPath
        } 

        # list all storage accounts in this resource group
        $accounts = az storage account list --subscription $sub.id --resource-group $rg.name | ConvertFrom-Json

        foreach ($acct in $accounts)
        {
            $resource = "/subscriptions/" + $sub.id +  "/resourceGroups/" + $rg.name + "/providers/Microsoft.Storage/storageAccounts/" + $acct.name + "/blobServices/default"
            $file = $rgPath + "\" + $acct.name + ".json"

            # export the metrics to a json file
            az monitor metrics list `
                --resource $resource `
                --end-time ([System.DateTime]::UtcNow).ToString("O") `
                --offset 1d `
                --interval 1h --metric BlobCapacity --dimension Tier > $file
        }
    }
}