Adjust sleep times (#2080)

* Adjust sleep times

* Update test_start_container.py

* Update test_healthcheck.py

* Update pluto_check.py

images/base-notebook/Dockerfile

@@ -68,7 +68,7 @@ RUN fix-permissions /etc/jupyter/
 # HEALTHCHECK documentation: https://docs.docker.com/engine/reference/builder/#healthcheck
 # This healtcheck works well for `lab`, `notebook`, `nbclassic`, `server`, and `retro` jupyter commands
 # https://github.com/jupyter/docker-stacks/issues/915#issuecomment-1068528799
-HEALTHCHECK --interval=5s --timeout=3s --start-period=5s --retries=3 \
+HEALTHCHECK --interval=3s --timeout=1s --start-period=3s --retries=3 \
     CMD /etc/jupyter/docker_healthcheck.py || exit 1
 
 # Switch back to jovyan to avoid accidental container runs as root

tests/base-notebook/test_healthcheck.py

@@ -67,13 +67,11 @@ def test_healthy(
         user=user,
     )
 
-    # sleeping some time to let the server start
-    time_spent = 0.0
-    wait_time = 0.1
-    time_limit = 15
-    while time_spent < time_limit:
-        time.sleep(wait_time)
-        time_spent += wait_time
+    # giving some time to let the server start
+    finish_time = time.time() + 10
+    sleep_time = 0.1
+    while time.time() < finish_time:
+        time.sleep(sleep_time)
         if get_health(running_container) == "healthy":
             return
 
@@ -114,13 +112,11 @@ def test_healthy_with_proxy(
         user=user,
     )
 
-    # sleeping some time to let the server start
-    time_spent = 0.0
-    wait_time = 0.1
-    time_limit = 15
-    while time_spent < time_limit:
-        time.sleep(wait_time)
-        time_spent += wait_time
+    # giving some time to let the server start
+    finish_time = time.time() + 10
+    sleep_time = 0.1
+    while time.time() < finish_time:
+        time.sleep(sleep_time)
         if get_health(running_container) == "healthy":
             return
 
@@ -152,13 +148,11 @@ def test_not_healthy(
         command=cmd,
     )
 
-    # sleeping some time to let the server start
-    time_spent = 0.0
-    wait_time = 0.1
-    time_limit = 15
-    while time_spent < time_limit:
-        time.sleep(wait_time)
-        time_spent += wait_time
+    # giving some time to let the server start
+    finish_time = time.time() + 5
+    sleep_time = 0.1
+    while time.time() < finish_time:
+        time.sleep(sleep_time)
         if get_health(running_container) == "healthy":
             raise RuntimeError("Container should not be healthy for this testcase")
 

tests/pluto_check.py

@@ -24,7 +24,7 @@ def check_pluto_proxy(
         ports={"8888/tcp": host_port},
     )
     # Give the server a bit of time to start
-    time.sleep(3)
+    time.sleep(2)
     resp = http_client.get(f"http://localhost:{host_port}/pluto?token={token}")
     resp.raise_for_status()
     assert "Pluto.jl notebooks" in resp.text, "Pluto.jl text not found in /pluto page"