Set max_duration to off by default for all run configurations (#2357)

Author: r4victor

src/dstack/_internal/server/services/jobs/configurators/dev.py

@@ -6,8 +6,6 @@
 from dstack._internal.server.services.jobs.configurators.base import JobConfigurator
 from dstack._internal.server.services.jobs.configurators.extensions.vscode import VSCodeDesktop
 
-DEFAULT_MAX_DURATION_SECONDS = 6 * 3600
-
 INSTALL_IPYKERNEL = (
     "(echo pip install ipykernel... && pip install -q --no-cache-dir ipykernel 2> /dev/null) || "
     'echo "no pip, ipykernel was not installed"'
@@ -44,7 +42,7 @@ def _default_single_branch(self) -> bool:
         return False
 
     def _default_max_duration(self) -> Optional[int]:
-        return DEFAULT_MAX_DURATION_SECONDS
+        return None
 
     def _spot_policy(self) -> SpotPolicy:
         return self.run_spec.merged_profile.spot_policy or SpotPolicy.ONDEMAND

src/dstack/_internal/server/services/jobs/configurators/task.py

@@ -5,8 +5,6 @@
 from dstack._internal.core.models.runs import JobSpec
 from dstack._internal.server.services.jobs.configurators.base import JobConfigurator
 
-DEFAULT_MAX_DURATION_SECONDS = 72 * 3600
-
 
 class TaskJobConfigurator(JobConfigurator):
     TYPE: RunConfigurationType = RunConfigurationType.TASK
@@ -29,7 +27,7 @@ def _default_single_branch(self) -> bool:
         return True
 
     def _default_max_duration(self) -> Optional[int]:
-        return DEFAULT_MAX_DURATION_SECONDS
+        return None
 
     def _spot_policy(self) -> SpotPolicy:
         return self.run_spec.merged_profile.spot_policy or SpotPolicy.ONDEMAND