Add step for emitting rate limits for a token

eng/common/pipelines/templates/steps/emit-ratelimit-metrics.yml

@@ -0,0 +1,25 @@
+parameters:
+  - name: User
+    type: string
+  - name: GitHubToken
+    type: string
+
+steps:
+- pwsh: |
+    $headers = @{
+      "Authorization" = "Bearer $env:GITHUB_TOKEN"
+      "X-GitHub-Api-Version" = "2022-11-28"
+    }
+
+    $response = Invoke-RestMethod -Uri 'https://api.github.com/rate_limit' -Headers $headers -Method Get
+    $timestamp = Get-Date
+    foreach ($property in $response.resources.PSObject.Properties.Value)
+    {
+        Write-Host "logmetric: $( @{ name= "github_rate_limit_remaining_total"; value= $property.remaining; timestamp= $timestamp; labels= @{ user=$env:GITHUB_USER; resource=$property.resource }} | ConvertTo-Json -Compress)"
+        Write-Host "logmetric: $( @{ name= "github_rate_limit_limit_total"; value= $property.limit; timestamp= $timestamp; labels= @{ user=$env:GITHUB_USER; resource=$property.resource }} | ConvertTo-Json -Compress)"
+        Write-Host "logmetric: $( @{ name= "github_rate_limit_used_total"; value= $property.used; timestamp= $timestamp; labels= @{ user=$env:GITHUB_USER; resource=$property.resource }} | ConvertTo-Json -Compress)"
+    }          
+  displayName: Check GitHub Rate Limit
+  env:
+    GITHUB_TOKEN: ${{ parameters.GitHubToken}}
+    GITHUB_USER: ${{ parameters.User}}

eng/common/pipelines/templates/steps/git-push-changes.yml

@@ -28,6 +28,11 @@ steps:
   condition: succeeded()
   workingDirectory: ${{ parameters.WorkingDirectory }}
 
+- template: ./emit-ratelimit-metrics.yml
+  parameters:
+    User: 'azure-sdk'
+    GitHubToken: $(azuresdk-github-pat)
+
 - task: PowerShell@2
   displayName: Push changes
   condition: and(succeeded(), eq(variables['HasChanges'], 'true'))