feat: add http cache

backend/kernelCI/settings.py

@@ -126,6 +126,13 @@ def get_json_env_var(name, default):
 }
 
 
+CACHES = {
+    'default': {
+        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
+        'LOCATION': 'ecom',
+    }
+}
+
 # Password validation
 # https://docs.djangoproject.com/en/5.0/ref/settings/#auth-password-validators
 
@@ -188,3 +195,5 @@ def __getitem__(self, item):
     CSRF_COOKIE_SECURE = False
     SECURE_SSL_REDIRECT = False
     SECURE_HSTS_SECONDS = 3600
+
+CACHE_TIMEOUT = int(get_json_env_var("CACHE_TIMEOUT", "600"))

backend/kernelCI_app/urls.py

@@ -1,18 +1,29 @@
 from django.urls import path
+from django.views.decorators.cache import cache_page
+from django.conf import settings
 from kernelCI_app import views
 
+timeout = settings.CACHE_TIMEOUT
 
 urlpatterns = [
-    path("tree/", views.TreeView.as_view(), name="tree"),
-    path("tree/<str:commit_hash>/commits", views.TreeCommitsHistory.as_view(), name="treeCommits"),
-    path("tree/tests/", views.groupedTests.as_view(), name="treeGroupedTests"),
-    path("tree/<str:commit_hash>", views.TreeDetails.as_view(), name="treeDetails"),
+    path("tree/", cache_page(timeout)
+         (views.TreeView.as_view()), name="tree"),
+    path("tree/<str:commit_hash>/commits", cache_page(timeout)
+         (views.TreeCommitsHistory.as_view()), name="treeCommits"),
+    path("tree/tests/", cache_page(timeout)
+         (views.groupedTests.as_view()), name="treeGroupedTests"),
+    path("tree/<str:commit_hash>", cache_page(timeout)
+         (views.TreeDetails.as_view()), name="treeDetails"),
     path(
-        "tree/<str:commit_hash>/tests/", views.TreeTestsView.as_view(), name="treeTests"
+        "tree/<str:commit_hash>/tests/",
+        cache_page(timeout)(views.TreeTestsView.as_view()), name="treeTests"
     ),
-    path("build/<str:build_id>", views.BuildDetails.as_view(), name="buildDetails"),
-    path("build/<str:build_id>/tests", views.BuildTests.as_view(), name="buildTests"),
-    path("tests/test/<str:test_id>", views.TestDetails.as_view(), name="testDetails"),
+    path("build/<str:build_id>", cache_page(timeout)
+         (views.BuildDetails.as_view()), name="buildDetails"),
+    path("build/<str:build_id>/tests", cache_page(timeout)
+         (views.BuildTests.as_view()), name="buildTests"),
+    path("tests/test/<str:test_id>", cache_page(timeout)
+         (views.TestDetails.as_view()), name="testDetails"),
     path("tests/<str:commit_hash>",
-         views.TestsByTreeAndCommitHash.as_view(), name="testsByTreeAndCommitHash"),
+         cache_page(timeout)(views.TestsByTreeAndCommitHash.as_view()), name="testsByTreeAndCommitHash"),
 ]