public static async Task <string> updateStack([ActivityTrigger] UpdateBaseImageRequest request, ILogger log)
{
SecretsUtils _secretsUtils = new SecretsUtils();
await _secretsUtils.GetSecrets();
GitHubUtils _githubUtils = new GitHubUtils(_secretsUtils._gitToken);
String timeStamp = DateTime.Now.ToString("yyyyMMddHHmmss");
String random = new Random().Next(0, 9999).ToString();
String prname = String.Format("blimp{0}{1}", timeStamp, random);
String parent = String.Format("D:\\local\\Temp\\blimp{0}{1}", timeStamp, random);
String repoUrl = String.Format("https://github.com/Azure-App-Service/{0}-template.git", request.stack);
String repoName = String.Format("{0}-template", request.stack);
_githubUtils.CreateDir(parent);
String localTemplateRepoPath = String.Format("{0}\\{1}", parent, repoName);
_githubUtils.Clone(repoUrl, localTemplateRepoPath, "dev");
_githubUtils.Checkout(localTemplateRepoPath, prname);
// edit the configs
await updateConfig(String.Format("{0}\\{1}", localTemplateRepoPath, "blessedImageConfig-dev.json"), request.NewBaseImage);
await updateConfig(String.Format("{0}\\{1}", localTemplateRepoPath, "blessedImageConfig-master.json"), request.NewBaseImage);
await updateConfig(String.Format("{0}\\{1}", localTemplateRepoPath, "blessedImageConfig-temp.json"), request.NewBaseImage);
await updateConfig(String.Format("{0}\\{1}", localTemplateRepoPath, "blessedImageConfig-save.json"), request.NewBaseImage);
_githubUtils.Stage(localTemplateRepoPath, "*");
_githubUtils.CommitAndPush(localTemplateRepoPath, prname, String.Format("[blimp] new base image {0}", request.NewBaseImage));
String pullRequestURL = String.Format("https://api.github.com/repos/{0}/{1}-template/pulls?access_token={2}", "azure-app-service", request.stack, _secretsUtils._gitToken);
String body =
"{ " +
"\"title\": " + JsonConvert.SerializeObject("[blimp] Update Base Image") + ", " +
"\"body\": " + JsonConvert.SerializeObject("[blimp] auto generated Update Base Image") + ", " +
"\"head\": " + JsonConvert.SerializeObject("azure-app-service:" + prname) + ", " +
"\"base\": " + JsonConvert.SerializeObject("dev") +
"}";
HttpClient httpClient = new HttpClient();
httpClient.DefaultRequestHeaders.UserAgent.ParseAdd("patricklee2");
HttpResponseMessage response = null;
response = await httpClient.PostAsync(pullRequestURL, new StringContent(body)); // fails on empty commits
String result = await response.Content.ReadAsStringAsync();
System.Console.WriteLine(response.ToString());
System.Console.WriteLine(result);
//if (response.StatusCode == HttpStatusCode.UnprocessableEntity)
//{
// System.Console.WriteLine("Unable to make PR due to no differnce");
//}
_githubUtils.gitDispose(localTemplateRepoPath);
_githubUtils.Delete(parent);
return("");
}