functions/Send-GraphiteMetric.ps1
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function Send-GraphiteMetric { <# .Synopsis Send Graphite metrics to an HTTP endpoint. .Description Calling this function will return data returned from the request. .Example $response = Send-GraphiteMetric -Metrics @" [ { "name": "test.series.1", "value": 3.14159, "interval": 10, "time": 1662562317 }, { "name": "test.series.2", "value": 3, "interval": 10, "time": 1662562317 } ] "@ Write-Host "Metrics sent to Graphite [$($response.StatusCode) $($response.StatusDescription)]: $($response.Content | ConvertFrom-Json | Select-Object Invalid, Published)" .Link Get-GraphiteMetric .Link https://grafana.com/docs/grafana-cloud/data-configuration/metrics/metrics-graphite/http-api/#http-api #> [CmdletBinding(DefaultParameterSetName = 'URI')] param ( # Specifies the URI for the request. [Parameter(ParameterSetName = 'URI', ValueFromPipelineByPropertyName)] [Alias('URL')] [Uri] $URI = 'https://graphite-us-central1.grafana.net/metrics', # Specifies the metrics to send. [Parameter(ValueFromPipelineByPropertyName)] [string] $Metrics, # Specifies the content type of the request. [Parameter(ValueFromPipelineByPropertyName)] [string] $ContentType = 'application/json', # Specifies the access token to use for the communication. [Parameter(ValueFromPipelineByPropertyName)] [Alias('Token')] [string] $AccessToken = $( if ($script:GraphiteAccessTokenCache) { $script:GraphiteAccessTokenCache } elseif ($env:GRAPHITE_ACCESS_TOKEN) { $env:GRAPHITE_ACCESS_TOKEN } ) ) begin { # Cache the access token (if provided) if ($AccessToken) { $script:GraphiteAccessTokenCache = $AccessToken } # Setup request headers $headers = @{ 'Content-Type' = $ContentType 'Authorization' = "Bearer $AccessToken" } } process { # Setup parameters $splat = @{ Method = 'POST' Body = $Metrics Headers = $headers TimeoutSec = 60 ErrorVariable = 'err' } $err = @( ) # Make the request # Note: Using 'Invoke-WebRequest' to get the headers $eap = $ErrorActionPreference $ErrorActionPreference = 'SilentlyContinue' Write-Debug -Message ("Invoking web request: POST " + $URI) Write-Debug -Message ("Graphite metrics: " + $splat.Body) $response = Invoke-WebRequest @splat -Uri $URI $ErrorActionPreference = $eap # Check for error if ($err) { $errorMessage = @" Failed to invoke request to: POST $URI Error message: $($err.Message) Exception: $($err.InnerException.Message) "@ Write-Error -Message $errorMessage -Exception $err.InnerException -Category ConnectionError return } # Output response $response } } |