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install-latest-extension.ps1
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# Per site, you can use the username and password from the publish profile you download.
# The recommended approach is to use a service account which has permission to access Kudu
# Note that the $username here should look like `SomeUserName`, and **not** `SomeSite\SomeUserName`
param (
[Parameter(Mandatory=$true)][string]$SubscriptionId,
[Parameter(Mandatory=$true)][string]$ResourceGroup,
[Parameter(Mandatory=$true)][string]$SiteName,
[Parameter(Mandatory=$false)][string]$Username="ambient",
[Parameter(Mandatory=$false)][string]$Password="ambient",
[Parameter(Mandatory=$false)][string]$Extension="Datadog.AzureAppServices.DotNet",
[Parameter(Mandatory=$false)][string]$DDApiKey="<not-set>",
[Parameter(Mandatory=$false)][string]$DDSite="<not-set>",
[Parameter(Mandatory=$false)][string]$DDEnv="<not-set>",
[Parameter(Mandatory=$false)][string]$DDService="<not-set>",
[Parameter(Mandatory=$false)][string]$DDVersion="<not-set>",
[Parameter(Mandatory=$false)][string]$DDLogsInjection="<not-set>",
[Parameter(Mandatory=$false)][string]$DDLogsDirectSubmissionIntegrations="<not-set>",
[Parameter(Mandatory=$false)][string]$DDLogsDirectSubmissionMinimumLevel="<not-set>",
[Parameter(Mandatory=$false)][string]$ExtensionVersion,
[Parameter(Mandatory=$false)][Switch]$Remove
)
#
# Example calls of this script:
#
# .\install-latest-extension.ps1 -SubscriptionId $subscriptionId -ResourceGroup $resourceGroupName -SiteName $webAppName -Username $username -Password $password
# .\install-latest-extension.ps1 -SubscriptionId $subscriptionId -ResourceGroup $resourceGroupName -SiteName $webAppName
# .\install-latest-extension.ps1 -SubscriptionId $subscriptionId -ResourceGroup $resourceGroupName -SiteName $webAppName -Username $username -Password $password -ExtensionVersion 1.5.0
# .\install-latest-extension.ps1 -SubscriptionId $subscriptionId -ResourceGroup $resourceGroupName -SiteName $webAppName -ExtensionVersion 1.5.0
# .\install-latest-extension.ps1 -SubscriptionId $subscriptionId -ResourceGroup $resourceGroupName -SiteName $webAppName -Username $username -Password $password -Remove
# .\install-latest-extension.ps1 -SubscriptionId $subscriptionId -ResourceGroup $resourceGroupName -SiteName $webAppName -Remove
#
# .\install-latest-extension.ps1 -SubscriptionId 8c56d827-5f07-45ce-8f2b-6c5001db5c6f -ResourceGroup apm-aas-junkyard -SiteName dd-netcore31-junkyard-dev -Extension DevelopmentVerification.DdDotNet.Apm -ExtensionVersion 0.1.37-prerelease
#
# Example call of install with datadog environment variables applied:
#
# .\install-latest-extension.ps1 -Username $username -Password $password -SubscriptionId $subscriptionId -ResourceGroup $resourceGroupName -SiteName $webAppName -DDSite $ddSite -DDApiKey $ddApiKey -DDEnv $ddEnv -DDService $ddService -DDVersion $ddVersion
#
if ($Username -eq "ambient") {
$Username=$env:DD_AAS_USER
}
if ($Password -eq "ambient") {
$Password=$env:DD_AAS_PASS
}
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
$baseApiUrl = "https://${SiteName}.scm.azurewebsites.net/api"
$base64AuthInfo = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f $Username, $Password)))
$userAgent = "powershell/1.0"
$siteExtensionsBase="${baseApiUrl}/siteextensions"
$siteExtensionManage="${baseApiUrl}/siteextensions/${Extension}"
$siteApiUrl="https://management.azure.com/subscriptions/${SubscriptionId}/resourceGroups/${ResourceGroup}/providers/Microsoft.Web/sites/${SiteName}"
# Stop the web app
# https://docs.microsoft.com/en-us/rest/api/appservice/webapps/stop
Write-Output "[${SiteName}] Stopping webapp"
az rest -m POST --header "Accept=application/json" -u "${siteApiUrl}/stop?api-version=2019-08-01"
$skipVar="<not-set>"
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_AAS_SCRIPT_INSTALL=1
if ($DDApiKey -ne $skipVar) {
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_API_KEY=$DDApiKey
}
if ($DDSite -ne $skipVar) {
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_SITE=$DDSite
}
if ($DDEnv -ne $skipVar) {
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_ENV=$DDEnv
}
if ($DDService -ne $skipVar) {
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_SERVICE=$DDService
}
if ($DDVersion -ne $skipVar) {
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_VERSION=$DDVersion
}
if ($DDLogsInjection -ne $skipVar) {
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_LOGS_INJECTION=$DDLogsInjection
}
if ($DDLogsDirectSubmissionIntegrations -ne $skipVar) {
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_LOGS_DIRECT_SUBMISSION_INTEGRATIONS=$DDLogsDirectSubmissionIntegrations
}
if ($DDLogsDirectSubmissionMinimumLevel -ne $skipVar) {
az webapp config appsettings set -n ${SiteName} -g ${ResourceGroup} --settings DD_LOGS_DIRECT_SUBMISSION_MINIMUM_LEVEL=$DDLogsDirectSubmissionMinimumLevel
}
if ($Remove) {
Write-Output "[${SiteName}] Attempting to remove ${Extension}"
Invoke-RestMethod -Uri $siteExtensionManage -Headers @{Authorization=("Basic {0}" -f $base64AuthInfo)} -UserAgent $userAgent -Method DELETE
Write-Output "[${SiteName}] Completed request to remove ${Extension}"
}
else {
if ($PSBoundParameters.ContainsKey('ExtensionVersion')) {
Write-Output "[${SiteName}] Attempting to install version ${ExtensionVersion} of ${Extension}"
$packageUrl="https://globalcdn.nuget.org/packages/${Extension}.${ExtensionVersion}.nupkg".ToLower()
Write-Output "[${SiteName}] Setting package URL to ${packageUrl}"
$install=$true
# If this is a downgrade, we need to remove the extension first or the install logic will ignore the package
$installedExtensions=Invoke-RestMethod -Uri $siteExtensionsBase -Headers @{Authorization=("Basic {0}" -f $base64AuthInfo)} -UserAgent $userAgent -Method GET
Foreach ($installedExtension in @($installedExtensions)){
if ($installedExtension.id -eq $Extension) {
if ($installedExtension.version -eq $ExtensionVersion) {
Write-Output "[${SiteName}] Package version (${ExtensionVersion}) is already installed."
$install=$false
break;
}
else {
Invoke-RestMethod -Uri $siteExtensionManage -Headers @{Authorization=("Basic {0}" -f $base64AuthInfo)} -UserAgent $userAgent -Method DELETE
Write-Output "[${SiteName}] Requested package removal. "
Write-Output "[${SiteName}] Waiting ten seconds to ensure removal is complete. "
Start-Sleep -s 10
break;
}
}
}
if ($install) {
# https://github.com/projectkudu/kudu/blob/98ad238b860f81a4cb4e3419c8785a58ba68e661/Kudu.Services/SiteExtensions/SiteExtensionController.cs#L240
$siteExtensionInfo = @{
packageUri = $packageUrl
};
$json = $siteExtensionInfo | ConvertTo-Json;
Invoke-RestMethod -Uri $siteExtensionManage -Headers @{Authorization=("Basic {0}" -f $base64AuthInfo)} -UserAgent $userAgent -Method PUT -ContentType application/json -Body $json
Write-Output "[${SiteName}] Completed request to install version ${ExtensionVersion} of ${Extension}"
}
}
else {
Write-Output "Attempting to install latest ${Extension}"
Invoke-RestMethod -Uri $siteExtensionManage -Headers @{Authorization=("Basic {0}" -f $base64AuthInfo)} -UserAgent $userAgent -Method PUT
Write-Output "[${SiteName}] Completed request to install latest of ${Extension}"
}
}
# Start the web app
# https://docs.microsoft.com/en-us/rest/api/appservice/webapps/start
Write-Output "[${SiteName}] Starting webapp"
az rest -m POST --header "Accept=application/json" -u "${siteApiUrl}/start?api-version=2019-08-01"