private static TriageItem GetTriageItemProperties(string body)
{
if (string.IsNullOrEmpty(body))
{
return(null);
}
TriageItem triageItem = new TriageItem();
Match propertyMatch = _darcBotPropertyRegex.Match(body);
if (propertyMatch.Success)
{
triageItem.UpdatedCategory = GetDarcBotProperty("category", body);
}
Match triageIdentifierMatch = _darcBotIssueIdentifierRegex.Match(body);
if (!triageIdentifierMatch.Success)
{
return(null);
}
int.TryParse(triageIdentifierMatch.Groups["buildid"].Value, out int buildId);
int.TryParse(triageIdentifierMatch.Groups["index"].Value, out int index);
Guid.TryParse(triageIdentifierMatch.Groups["recordid"].Value, out Guid recordId);
triageItem.BuildId = buildId;
triageItem.RecordId = recordId;
triageItem.Index = index;
triageItem.ModifiedDateTime = DateTime.Now;
return(triageItem);
}
public override bool Equals(object obj)
{
TriageItem compareItem = obj as TriageItem;
return((!Object.ReferenceEquals(null, compareItem)) &&
(BuildId == compareItem.BuildId) &&
(RecordId == compareItem.RecordId) &&
(Index == compareItem.Index));
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "POST", Route = null)]
HttpRequestMessage req, ILogger log)
{
var payloadJson = await req.Content.ReadAsStringAsync();
SimpleJsonSerializer serializer = new SimpleJsonSerializer();
IssueEventPayload issuePayload = serializer.Deserialize <IssueEventPayload>(payloadJson);
if (issuePayload.Issue.User.Type.HasValue &&
issuePayload.Issue.User.Type.Value == AccountType.Bot)
{
log.LogInformation("Comment is from DarcBot, ignoring.");
return(new OkObjectResult($"Ignoring DarcBot comment"));
}
if (issuePayload.Action != "opened" &&
issuePayload.Action != "reopened" &&
issuePayload.Action != "closed")
{
log.LogInformation($"Received github action '{issuePayload.Action}', nothing to do");
return(new OkObjectResult($"DarcBot has nothing to do with github issue action '{issuePayload.Action}'"));
}
// Determine identifiable information for triage item
TriageItem triageItem = GetTriageItemProperties(issuePayload.Issue.Body);
triageItem.Url = issuePayload.Issue.HtmlUrl;
if (triageItem == null)
{
/* Item is not a triage item (does not contain identifiable information), do nothing */
log.LogInformation($"{issuePayload.Issue.Url} is not a triage type issue.");
return(new OkObjectResult("No identifiable information detected"));
}
int.TryParse(System.Environment.GetEnvironmentVariable("AppId"), out int appId);
// Create jwt token
// Private key is stored in Azure Key vault by downloading the private key (pem file) from GitHub, then
// using the Azure CLI to store the value in key vault.
// ie: az keyvault secret set --vault-name [vault name] --name GitHubApp-DarcBot-PrivateKey --encoding base64 --file [pem key file path]
GitHubAppTokenProvider gitHubTokenProvider = new GitHubAppTokenProvider();
var installationToken = gitHubTokenProvider.GetAppTokenFromEnvironmentVariableBase64(appId, "PrivateKey");
// create client using jwt as a bearer token
var userAgent = new Octokit.ProductHeaderValue("DarcBot");
GitHubClient appClient = new GitHubClient(userAgent)
{
Credentials = new Credentials(installationToken, AuthenticationType.Bearer),
};
// using the client, create an installation token
AccessToken token = await appClient.GitHubApps.CreateInstallationToken(issuePayload.Installation.Id);
// with the installation token, create a new GitHubClient that has the apps permissions
var gitHubClient = new GitHubClient(new ProductHeaderValue("DarcBot-Installation"))
{
Credentials = new Credentials(token.Token)
};
if (issuePayload.Action == "created" ||
issuePayload.Action == "opened" ||
issuePayload.Action == "reopened")
{
// First, look for duplicate issues that are open
var openIssues = new RepositoryIssueRequest
{
Filter = IssueFilter.All,
State = ItemStateFilter.Open,
SortProperty = IssueSort.Created,
SortDirection = SortDirection.Ascending,
};
openIssues.Labels.Add(_darcBotLabelName);
log.LogInformation("Getting open issues");
var issues = await gitHubClient.Issue.GetAllForRepository(issuePayload.Repository.Id, openIssues);
log.LogInformation($"There are {issues.Count} open issues with the '{_darcBotLabelName}' label");
foreach (var checkissue in issues)
{
if (checkissue.Number != issuePayload.Issue.Number)
{
TriageItem issueItem = GetTriageItemProperties(checkissue.Body);
if (triageItem.Equals(issueItem))
{
await gitHubClient.Issue.Comment.Create(issuePayload.Repository.Id, issuePayload.Issue.Number, $"DarcBot has detected a duplicate issue.\n\nClosing as duplicate of {checkissue.HtmlUrl}\n\nFor more information see {_docLink}");
var issueUpdate = new IssueUpdate
{
State = ItemState.Closed,
};
await gitHubClient.Issue.Update(issuePayload.Repository.Id, issuePayload.Issue.Number, issueUpdate);
return(new OkObjectResult($"Resolved as duplicate of {checkissue.Number}"));
}
}
}
// No duplicates, add label and move issue to triage
var issue = await gitHubClient.Issue.Get(issuePayload.Repository.Id, issuePayload.Issue.Number);
var update = issue.ToUpdate();
update.AddLabel(_darcBotLabelName);
await gitHubClient.Issue.Update(issuePayload.Repository.Id, issuePayload.Issue.Number, update);
triageItem.UpdatedCategory = "InTriage";
}
if (issuePayload.Action == "closed")
{
IReadOnlyList <IssueComment> comments = gitHubClient.Issue.Comment.GetAllForIssue(issuePayload.Repository.Id, issuePayload.Issue.Number).Result;
foreach (var comment in comments)
{
// Look for category information in comment
string category = GetDarcBotProperty("category", comment.Body);
if (!string.IsNullOrEmpty(category))
{
triageItem.UpdatedCategory = category;
}
}
}
log.LogInformation($"buildId: {triageItem.BuildId}, recordId: {triageItem.RecordId}, index: {triageItem.Index}, category: {triageItem.UpdatedCategory}, url: {triageItem.Url}");
await IngestTriageItemsIntoKusto(new[] { triageItem }, log);
await gitHubClient.Issue.Comment.Create(issuePayload.Repository.Id, issuePayload.Issue.Number, $"DarcBot has updated the 'TimelineIssuesTriage' database.\n**PowerBI reports may take up to 24 hours to refresh**\n\nSee {_docLink} for more information and 'darcbot' usage.");
return(new OkObjectResult("Success"));
}