Cache the status tags and fix the tag for images that were pushed from a build.

config.py

@@ -1,6 +1,7 @@
 import logging
 import logstash_formatter
 import requests
+import os.path
 
 from peewee import MySQLDatabase, SqliteDatabase
 from storage.s3 import S3Storage
@@ -205,9 +206,18 @@ class LargePoolHttpClient(object):
   HTTPCLIENT = build_requests_session()
 
 
+class StatusTagConfig(object):
+  STATUS_TAGS = {}
+
+  for tag_name in ['building', 'failed', 'none', 'ready']:
+    tag_path = os.path.join('buildstatus', tag_name + '.svg')
+    with open(tag_path) as tag_svg:
+      STATUS_TAGS[tag_name] = tag_svg.read()
+
+
 class TestConfig(FlaskConfig, FakeStorage, EphemeralDB, FakeUserfiles,
                  FakeAnalytics, StripeTestConfig, RedisBuildLogs,
-                 UserEventConfig, LargePoolHttpClient):
+                 UserEventConfig, LargePoolHttpClient, StatusTagConfig):
   LOGGING_CONFIG = logs_init_builder(logging.WARN)
   POPULATE_DB_TEST_DATA = True
   TESTING = True
@@ -218,7 +228,8 @@ class TestConfig(FlaskConfig, FakeStorage, EphemeralDB, FakeUserfiles,
 class DebugConfig(FlaskConfig, MailConfig, LocalStorage, SQLiteDB,
                   StripeTestConfig, MixpanelTestConfig, GitHubTestConfig,
                   DigitalOceanConfig, BuildNodeConfig, S3Userfiles,
-                  UserEventConfig, TestBuildLogs, LargePoolHttpClient):
+                  UserEventConfig, TestBuildLogs, LargePoolHttpClient,
+                  StatusTagConfig):
   LOGGING_CONFIG = logs_init_builder(formatter=logging.Formatter())
   SEND_FILE_MAX_AGE_DEFAULT = 0
   POPULATE_DB_TEST_DATA = True
@@ -230,7 +241,8 @@ class LocalHostedConfig(FlaskConfig, MailConfig, S3Storage, RDSMySQL,
                         StripeLiveConfig, MixpanelTestConfig,
                         GitHubProdConfig, DigitalOceanConfig,
                         BuildNodeConfig, S3Userfiles, RedisBuildLogs,
-                        UserEventConfig, LargePoolHttpClient):
+                        UserEventConfig, LargePoolHttpClient,
+                        StatusTagConfig):
   LOGGING_CONFIG = logs_init_builder(formatter=logging.Formatter())
   SEND_FILE_MAX_AGE_DEFAULT = 0
   URL_SCHEME = 'http'
@@ -241,8 +253,7 @@ class StagingConfig(FlaskProdConfig, MailConfig, S3Storage, RDSMySQL,
                     StripeLiveConfig, MixpanelProdConfig,
                     GitHubStagingConfig, DigitalOceanConfig, BuildNodeConfig,
                     S3Userfiles, RedisBuildLogs, UserEventConfig,
-                    LargePoolHttpClient):
-
+                    LargePoolHttpClient, StatusTagConfig):
   LOGGING_CONFIG = logs_init_builder(formatter=logging.Formatter())
   SEND_FILE_MAX_AGE_DEFAULT = 0
   URL_SCHEME = 'https'
@@ -253,8 +264,7 @@ class ProductionConfig(FlaskProdConfig, MailConfig, S3Storage, RDSMySQL,
                        StripeLiveConfig, MixpanelProdConfig,
                        GitHubProdConfig, DigitalOceanConfig, BuildNodeConfig,
                        S3Userfiles, RedisBuildLogs, UserEventConfig,
-                       LargePoolHttpClient):
-
+                       LargePoolHttpClient, StatusTagConfig):
   LOGGING_CONFIG = logs_init_builder()
   SEND_FILE_MAX_AGE_DEFAULT = 0
   URL_SCHEME = 'https'

endpoints/web.py

@@ -20,6 +20,7 @@ logger = logging.getLogger(__name__)
 
 web = Blueprint('web', __name__)
 
+STATUS_TAGS = app.config['STATUS_TAGS']
 
 @web.route('/', methods=['GET'], defaults={'path': ''})
 @web.route('/organization/<path:path>', methods=['GET'])
@@ -211,7 +212,6 @@ def build_status_badge(namespace, repository):
       abort(404)
 
   # Lookup the tags for the repository.
-  tags = model.list_repository_tags(namespace, repository)
 
   # Lookup the current/recent build.
   status = 'none'
@@ -220,16 +220,14 @@ def build_status_badge(namespace, repository):
     if build.phase == 'error':
       status = 'failed'
     elif build.phase == 'complete':
-      pass
+      status = 'ready'
     else:
       status = 'building'
   else:
+    tags = model.list_repository_tags(namespace, repository)
     if list(tags):
       status = 'ready'
 
-  with open(os.path.join(app.root_path, 'buildstatus', status + '.svg')) as f:
-    svg = f.read()
-
-  response = make_response(svg)
+  response = make_response(STATUS_TAGS[status])
   response.content_type = 'image/svg+xml'
   return response