I have created a PowerShell-based build task for Visual Studio Team Services (formerly Visual Studio Online). I have implemented the majority of the functionality I need, but for the last bit of functionality I need to be able to persist a small amount of data between builds.
The ExtensionDataService seems like exactly what I want (in particular, the setValue and getValue methods), but the documentation and examples I have found are for node.js-based build tasks:
VSS.getService(VSS.ServiceIds.ExtensionData).then(function(dataService) {
// Set a user-scoped preference
dataService.setValue("pref1", 12345, {scopeType: "User"}).then(function(value) {
console.log("User preference value is " + value);
});
The previous page also has a partial example of calling the REST API, but I have gotten 404 errors when trying to use it to either save or retrieve values:
GET _apis/ExtensionManagement/InstalledExtensions/{publisherName}/{extensionName}/Data/Scopes/User/Me/Collections/%24settings/Documents
{
"id": "myKey",
"__etag": -1,
"value": "myValue"
}
Can PowerShell be used to access the ExtensionDataService, either by using a library or by calling the REST API directly?
You can call REST API through PowerShell.
Set value ( Put request):
https://[vsts name].extmgmt.visualstudio.com/_apis/ExtensionManagement/InstalledExtensions/{publisherName}/{extension id}/Data/Scopes/User/Me/Collections/%24settings/Documents?api-version=3.1-preview.1
Body (Content-Type: application/json )
{
"id": "myKey",
"__etag": -1,
"value": "myValue"
}
Get value ( Get request):
https://[vsts name].extmgmt.visualstudio.com/_apis/ExtensionManagement/InstalledExtensions/{publisherName}/{extension id}/Data/Scopes/User/Me/Collections/%24settings/Documents/mykey?api-version=3.1-preview.1
The publisher name and extension id could be get in package json file (eg vss-extension.json)
Regarding call REST API through PowerShell, you can refer to this article: Calling VSTS APIs with PowerShell
Simple sample to call REST API:
Param(
[string]$vstsAccount = "<VSTS-ACCOUNT-NAME>",
[string]$projectName = "<PROJECT-NAME>",
[string]$buildNumber = "<BUILD-NUMBER>",
[string]$keepForever = "true",
[string]$user = "",
[string]$token = "<PERSONAL-ACCESS-TOKEN>"
)
# Base64-encodes the Personal Access Token (PAT) appropriately
$base64AuthInfo = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f $user,$token)))
$uri = "https://$($vstsAccount).visualstudio.com/DefaultCollection/$($projectName)/_apis/build/builds?api-version=2.0&buildNumber=$($buildNumber)"
$result = Invoke-RestMethod -Uri $uri -Method Get -ContentType "application/json" -Headers @{Authorization=("Basic {0}" -f $base64AuthInfo)}
PowerShell script to get the base URL:
Function GetURL{
param([string]$url)
$regex=New-Object System.Text.RegularExpressions.Regex("https:\/\/(.*).visualstudio.com")
$match=$regex.Match($url)
if($match.Success)
{
$vstsAccount=$match.Groups[1]
$resultURL="https://$vstsAccount.extmgmt.visualstudio.com"
}
}
GetURL "https://codetiger.visualstudio.com/"
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