[英]How to access Kudu in Azure using power shell script
我正在嘗試通過 power shell 腳本訪問 Kudu。 鏈接看起來像: https://adc-dev.scm.azurewebsites.net
: https://adc-dev.scm.azurewebsites.net
。 我需要復制位於上面鏈接中D:\\home\\site\\wwwroot\\bin\\apache-tomcat-8.0.33\\webapps
位置的war
文件。
目前我正在通過添加 FTP 任務使用 VSTS 部署war
文件。 但是在部署最新的war
之前,我想在 Azure Kudu 位置的某個位置備份舊war
,例如: D:\\home\\site\\wwwroot\\bin\\apache-tomcat-8.0.33
( war
根文件夾位置)。 所以在那之后我可以刪除war
並在 Kudu 中部署最新的war
文件。
如何做到這一點? 我的意思是如何使用 power shell 腳本訪問 kudu。 請建議我。
要訪問 Kudu API,請獲取您的 WebApp:
$app = Get-AzWebApp -ResourceGroupName "your RG" -Name "your App"
然后獲取應用程序的發布憑據:
$resourceName = "$($app.Name)/publishingcredentials";
$resourceType = "Microsoft.Web/sites/config";
$publishingCredentials = Invoke-AzResourceAction `
-ResourceGroupName $app.ResourceGroup `
-ResourceType $resourceType `
-ResourceName $resourceName `
-Action list `
-ApiVersion $apiVersion `
-Force;
格式化適合 HTTP 請求的用戶名/密碼:
$user = $publishingCredentials.Properties.PublishingUserName;
$pass = $publishingCredentials.Properties.PublishingPassword;
$creds = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("${user}:${pass}")));
最后,您可以訪問 Kudu API:
$header = @{
Authorization = "Basic $creds"
};
$kuduApiBaseUrl = "https://$($app.Name).scm.azurewebsites.net";
例如,檢查是否安裝了擴展:
$extensionName = "Microsoft.AspNetCore.AzureAppServices.SiteExtension";
$kuduApiUrl = "$kuduApiBaseUrl/api/siteextensions/$extensionName";
$response = Invoke-RestMethod -Method 'Get' -Uri $kuduApiUrl -Headers $header;
例如,獲取可用擴展的列表:
$kuduApiUrl = "$kuduApiBaseUrl/api/extensionfeed";
$response = Invoke-RestMethod -Method 'Get' -Uri $kuduApiUrl -Headers $header;
例如,安裝擴展:
$kuduApiUrl = "$kuduApiBaseUrl/api/siteextensions";
$response = Invoke-RestMethod -Method 'Put' -Uri $kuduApiUrl -Headers $header;
API 詳細信息位於https://github.com/projectkudu/kudu/wiki/REST-API
還可以訪問部署槽。 需要為插槽檢索應用配置,並且需要對基本 URL 進行小幅修改。
您可以參考下面的這個線程,了解如何在 VSTS 構建/發布中通過 Azure PowerShell 調用 Kudu API:
在從 VSTS 進行新部署之前刪除 Azure 上的文件和折疊
關於通過 Kudu 復制文件,可以使用 Command Kudu API (Post /api/command):
更新:
通過 Kudu API 調用 Command 的簡單示例:
function RunCommand($dir,$command,$resourceGroupName, $webAppName, $slotName = $null){
$kuduApiAuthorisationToken = Get-KuduApiAuthorisationHeaderValue $resourceGroupName $webAppName $slotName
$kuduApiUrl="https://$webAppName.scm.azurewebsites.net/api/command"
$Body =
@{
"command"=$command;
"dir"=$dir
}
$bodyContent=@($Body) | ConvertTo-Json
Write-Host $bodyContent
Invoke-RestMethod -Uri $kuduApiUrl `
-Headers @{"Authorization"=$kuduApiAuthorisationToken;"If-Match"="*"} `
-Method POST -ContentType "application/json" -Body $bodyContent
}
RunCommand "site\wwwroot\bin\apache-tomcat-8.0.33\webapps" "copy xx.war ..\xx.war /y" "[resource group]" "[web app]"
您可以使用以下代碼從 powershell 訪問 kudu api -
//function to Get webapp's publishing credentials
function Get-AzWebAppPublishingCredentials($resourceGroupName, $webAppName, $slotName = $null) {
if ([string]::IsNullOrWhiteSpace($slotName) -or $slotName.ToLower() -eq "production") {
$resourceType = "Microsoft.Web/sites/config"
$resourceName = "$webAppName/publishingcredentials"
}
else {
$resourceType = "Microsoft.Web/sites/slots/config"
$resourceName = "$webAppName/$slotName/publishingcredentials"
}
$publishingCredentials = Invoke-AzResourceAction -ResourceGroupName $resourceGroupName -ResourceType $resourceType -ResourceName $resourceName -Action list -ApiVersion 2015-08-01 -Force
return $publishingCredentials
}
//function to get authorization header from publishing credentials
function Get-KuduApiAuthorisationHeaderValue($resourceGroupName, $webAppName, $slotName = $null) {
$publishingCredentials = Get-AzWebAppPublishingCredentials $resourceGroupName $webAppName $slotName
$ret = @{ }
$ret.header = ("Basic {0}" -f [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f $publishingCredentials.Properties.PublishingUserName, $publishingCredentials.Properties.PublishingPassword))))
$ret.url = $publishingCredentials.Properties.scmUri
return $ret
}
//function to call kudu api e.g. to get a file from webapp
function Get-FileFromWebApp($resourceGroupName, $webAppName, $slotName = "", $kuduPath) {
$KuduAuth = Get-KuduApiAuthorisationHeaderValue $resourceGroupName $webAppName $slotName
$kuduApiAuthorisationToken = $KuduAuth.header
$kuduApiUrl = $KuduAuth.url + "/api/vfs/$kuduPath"
Write-Host " Downloading File from WebApp. Source: '$kuduApiUrl'." -ForegroundColor DarkGray
$tmpPath = "$($env:TEMP)\$([guid]::NewGuid()).json"
$null = Invoke-RestMethod -Uri $kuduApiUrl `
-Headers @{"Authorization" = $kuduApiAuthorisationToken; "If-Match" = "*" } `
-Method GET `
-ContentType "application/json" `
-OutFile $tmpPath
$ret = (Get-Content $tmpPath) | Out-String | ConvertFrom-Json
Remove-Item $tmpPath -Force
return $ret
}
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