在 PowerShell 中管理 Azure Functions 是一项重要任务，本文将介绍一些实用的 Azure Functions 管理技巧。
首先，让我们看看基本的 Azure Functions 操作：
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function Get-AzFunctionInfo {
param(
[string]$FunctionAppName,
[string]$ResourceGroupName
)
try {
$functionApp = Get-AzFunctionApp -Name $FunctionAppName -ResourceGroupName $ResourceGroupName
$functions = Get-AzFunction -FunctionAppName $FunctionAppName -ResourceGroupName $ResourceGroupName
return [PSCustomObject]@{
Name = $functionApp.Name
ResourceGroup = $functionApp.ResourceGroup
Location = $functionApp.Location
Runtime = $functionApp.Runtime
OS = $functionApp.OSType
State = $functionApp.State
FunctionCount = $functions.Count
Functions = $functions | ForEach-Object {
[PSCustomObject]@{
Name = $_.Name
Trigger = $_.Trigger
Status = $_.Status
}
}
}
}
catch {
Write-Host "获取函数应用信息失败：$_"
}
}
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Azure Functions 部署：
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function Deploy-AzFunction {
param(
[string]$FunctionAppName,
[string]$ResourceGroupName,
[string]$PackagePath,
[string]$Runtime,
[hashtable]$AppSettings
)
try {
$zipPath = "$PackagePath.zip"
Compress-Archive -Path $PackagePath -DestinationPath $zipPath -Force
$functionApp = New-AzFunctionApp -Name $FunctionAppName `
-ResourceGroupName $ResourceGroupName `
-Runtime $Runtime `
-StorageAccountName (New-AzStorageAccount -Name "$($FunctionAppName)storage" `
-ResourceGroupName $ResourceGroupName `
-Location (Get-AzResourceGroup -Name $ResourceGroupName).Location `
-SkuName Standard_LRS).StorageAccountName `
-FunctionsVersion 4 `
-OSType Windows `
-RuntimeVersion 7.0 `
-AppSettings $AppSettings
Publish-AzWebApp -Name $FunctionAppName `
-ResourceGroupName $ResourceGroupName `
-ArchivePath $zipPath
Remove-Item $zipPath
Write-Host "函数应用部署完成"
}
catch {
Write-Host "部署失败：$_"
}
}
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Azure Functions 监控：
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function Monitor-AzFunction {
param(
[string]$FunctionAppName,
[string]$ResourceGroupName,
[int]$Interval = 60,
[int]$Duration = 3600
)
try {
$startTime = Get-Date
$metrics = @()
while ((Get-Date) - $startTime).TotalSeconds -lt $Duration {
$invocations = Get-AzMetric -ResourceId (Get-AzFunctionApp -Name $FunctionAppName -ResourceGroupName $ResourceGroupName).Id `
-MetricName "FunctionExecutionUnits" `
-TimeGrain 1 `
-StartTime (Get-Date).AddMinutes(-5) `
-EndTime (Get-Date)
$errors = Get-AzMetric -ResourceId (Get-AzFunctionApp -Name $FunctionAppName -ResourceGroupName $ResourceGroupName).Id `
-MetricName "FunctionExecutionCount" `
-TimeGrain 1 `
-StartTime (Get-Date).AddMinutes(-5) `
-EndTime (Get-Date)
$metrics += [PSCustomObject]@{
Timestamp = Get-Date
Invocations = $invocations.Data | Measure-Object -Property Total -Sum | Select-Object -ExpandProperty Sum
Errors = $errors.Data | Measure-Object -Property Total -Sum | Select-Object -ExpandProperty Sum
MemoryUsage = Get-AzMetric -ResourceId (Get-AzFunctionApp -Name $FunctionAppName -ResourceGroupName $ResourceGroupName).Id `
-MetricName "MemoryUsage" `
-TimeGrain 1 `
-StartTime (Get-Date).AddMinutes(-5) `
-EndTime (Get-Date) |
Select-Object -ExpandProperty Data |
Measure-Object -Property Total -Average |
Select-Object -ExpandProperty Average
}
Start-Sleep -Seconds $Interval
}
return $metrics
}
catch {
Write-Host "监控失败：$_"
}
}
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Azure Functions 日志收集：
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function Get-AzFunctionLogs {
param(
[string]$FunctionAppName,
[string]$ResourceGroupName,
[string]$FunctionName,
[datetime]$StartTime,
[datetime]$EndTime,
[ValidateSet("Information", "Warning", "Error")]
[string[]]$LogLevels
)
try {
$logs = Get-AzLog -ResourceId (Get-AzFunctionApp -Name $FunctionAppName -ResourceGroupName $ResourceGroupName).Id `
-StartTime $StartTime `
-EndTime $EndTime
if ($FunctionName) {
$logs = $logs | Where-Object { $_.ResourceName -eq $FunctionName }
}
if ($LogLevels) {
$logs = $logs | Where-Object { $_.Level -in $LogLevels }
}
return [PSCustomObject]@{
FunctionApp = $FunctionAppName
Function = $FunctionName
Logs = $logs
Summary = [PSCustomObject]@{
TotalCount = $logs.Count
ByLevel = $logs | Group-Object Level | ForEach-Object {
[PSCustomObject]@{
Level = $_.Name
Count = $_.Count
}
}
}
}
}
catch {
Write-Host "日志收集失败：$_"
}
}
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Azure Functions 配置管理：
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function Manage-AzFunctionConfig {
param(
[string]$FunctionAppName,
[string]$ResourceGroupName,
[hashtable]$AppSettings,
[switch]$RemoveUnspecified
)
try {
$functionApp = Get-AzFunctionApp -Name $FunctionAppName -ResourceGroupName $ResourceGroupName
if ($RemoveUnspecified) {
$currentSettings = $functionApp.AppSettings
$currentSettings.Keys | ForEach-Object {
if (-not $AppSettings.ContainsKey($_)) {
$AppSettings[$_] = $null
}
}
}
Update-AzFunctionApp -Name $FunctionAppName `
-ResourceGroupName $ResourceGroupName `
-AppSettings $AppSettings
Write-Host "配置更新完成"
}
catch {
Write-Host "配置更新失败：$_"
}
}
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这些技巧将帮助您更有效地管理 Azure Functions。记住，在处理 Azure Functions 时，始终要注意应用的安全性和性能。同时，建议使用适当的监控和日志记录机制来跟踪函数的运行状态。