From 3cd68cc351138bfdac99ab00ce96bea7b58fe2e3 Mon Sep 17 00:00:00 2001
From: Sisira Panchagnula <sisirap@microsoft.com>
Date: Tue, 6 Feb 2018 15:23:38 -0800
Subject: [PATCH] Adding a call to scm to warm up kudu for zipdeploy

updating index.json
---
 src/index.json                         |  8 ++++----
 src/webapp/azext_webapp/create_util.py |  8 ++++++++
 src/webapp/azext_webapp/custom.py      | 24 ++++++++++++++++++++----
 src/webapp/setup.py                    |  2 +-
 4 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/src/index.json b/src/index.json
index 9796a381ace..3077eaa8792 100644
--- a/src/index.json
+++ b/src/index.json
@@ -370,9 +370,9 @@
         ],
         "webapp": [
             {
-                "filename": "webapp-0.0.6-py2.py3-none-any.whl",
-                "sha256Digest": "65ffc1f0c34bb4b7b3fa0e3d3b3c49b745d8b46d04c2653ae0e0a22d01329669",
-                "downloadUrl": "https://github.com/panchagnula/azure-cli-extensions/raw/sisirap-extensions-whl/dist/webapp-0.0.6-py2.py3-none-any.whl",
+                "filename": "webapp-0.0.7-py2.py3-none-any.whl",
+                "sha256Digest": "a80346e84390a17dde170efa7ad09934b0c3079ba377aa16e68f74423b24592b",
+                "downloadUrl": "https://github.com/panchagnula/azure-cli-extensions/raw/sisirap-extensions-whl/dist/webapp-0.0.7-py2.py3-none-any.whl",
                 "metadata": {
                     "classifiers": [
                       "Development Status :: 4 - Beta",
@@ -409,7 +409,7 @@
                     "metadata_version": "2.0",
                     "name": "webapp",
                     "summary": "An Azure CLI Extension to manage appservice resources",
-                    "version": "0.0.6"
+                    "version": "0.0.7"
                 }
             }
         ]
diff --git a/src/webapp/azext_webapp/create_util.py b/src/webapp/azext_webapp/create_util.py
index fdb85a4af39..df5ed2b89c9 100644
--- a/src/webapp/azext_webapp/create_util.py
+++ b/src/webapp/azext_webapp/create_util.py
@@ -83,3 +83,11 @@ def check_if_asp_exists(cmd, rg_name, asp_name):
         if item.name == asp_name:
             return True
     return False
+
+
+def check_app_exists(cmd, rg_name, app_name):
+    client = web_client_factory(cmd.cli_ctx)
+    for item in list(client.web_apps.list_by_resource_group(rg_name)):
+        if item.name == app_name:
+            return True
+    return False
diff --git a/src/webapp/azext_webapp/custom.py b/src/webapp/azext_webapp/custom.py
index 1665994e07b..93c07cbefaa 100644
--- a/src/webapp/azext_webapp/custom.py
+++ b/src/webapp/azext_webapp/custom.py
@@ -12,6 +12,8 @@
     enable_zip_deploy,
     create_webapp,
     update_app_settings,
+    _get_site_credential,
+    _get_scm_url,
     _get_sku_name)
 
 from .create_util import (
@@ -22,6 +24,7 @@
     check_resource_group_exists,
     check_resource_group_supports_linux,
     check_if_asp_exists,
+    check_app_exists,
     web_client_factory
 )
 
@@ -126,16 +129,29 @@ def create_deploy_webapp(cmd, name, location=None, dryrun=False):
         logger.warning("App service plan '%s' already exists.", asp)
 
     # create the Linux app
-    logger.warning("Creating app '%s' ....", name)
-    create_webapp(cmd, rg_name, name, asp, runtime_version)
-    logger.warning("Webapp creation complete")
+    if not check_app_exists(cmd, rg_name, name):
+        logger.warning("Creating app '%s' ....", name)
+        create_webapp(cmd, rg_name, name, asp, runtime_version)
+        logger.warning("Webapp creation complete")
+    else:
+        logger.warning("App '%s' already exists", name)
 
     # setting to build after deployment
     logger.warning("Updating app settings to enable build after deployment")
     update_app_settings(cmd, rg_name, name, ["SCM_DO_BUILD_DURING_DEPLOYMENT=true"])
+    # work around until the timeout limits issue for linux is investigated & fixed
+    # wakeup kudu, by making an SCM call
+
+    import requests
+    # work around until the timeout limits issue for linux is investigated & fixed
+    user_name, password = _get_site_credential(cmd.cli_ctx, rg_name, name)
+    scm_url = _get_scm_url(cmd, rg_name, name)
+    import urllib3
+    authorization = urllib3.util.make_headers(basic_auth='{0}:{1}'.format(user_name, password))
+    requests.get(scm_url + '/api/settings', headers=authorization)
 
-    # zip contents & deploy
     logger.warning("Creating zip with contents of dir %s ...", src_dir)
+    # zip contents & deploy
     zip_file_path = zip_contents_from_dir(src_dir)
 
     logger.warning("Deploying and building contents to app."
diff --git a/src/webapp/setup.py b/src/webapp/setup.py
index c2cdff2b61c..bedccd9e4da 100644
--- a/src/webapp/setup.py
+++ b/src/webapp/setup.py
@@ -8,7 +8,7 @@
 from codecs import open
 from setuptools import setup, find_packages
 
-VERSION = "0.0.6"
+VERSION = "0.0.7"
 
 CLASSIFIERS = [
     'Development Status :: 4 - Beta',