CLI: add --no-profile option

src/dstack/_internal/cli/commands/endpoint.py

@@ -15,13 +15,16 @@
     EndpointPresetStore,
     load_endpoint_configuration,
 )
-from dstack._internal.cli.services.profile import apply_profile_args, register_profile_args
+from dstack._internal.cli.services.profile import (
+    apply_profile_args,
+    load_profile_from_args,
+    register_profile_args,
+)
 from dstack._internal.cli.utils.common import confirm_ask, console
 from dstack._internal.core.errors import CLIError
 from dstack._internal.core.models.profiles import ProfileParams
 from dstack._internal.core.services import is_valid_dstack_resource_name
 from dstack.api import Client
-from dstack.api.utils import load_profile
 
 
 class EndpointCommand(BaseCommand):
@@ -255,7 +258,7 @@ def _get_effective_configuration(
     args: argparse.Namespace,
 ) -> EndpointConfiguration:
     _apply_name(configuration, args.name)
-    profile = load_profile(Path.cwd(), args.profile)
+    profile = load_profile_from_args(args=args, repo_dir=Path.cwd())
     for field in ProfileParams.__fields__:
         if getattr(configuration, field) is None:
             setattr(configuration, field, getattr(profile, field))

src/dstack/_internal/cli/commands/offer.py

@@ -6,7 +6,7 @@
 from dstack._internal.cli.services.configurators.run import (
     BaseRunConfigurator,
 )
-from dstack._internal.cli.services.profile import register_profile_args
+from dstack._internal.cli.services.profile import load_profile_from_args, register_profile_args
 from dstack._internal.cli.services.resources import register_resources_args
 from dstack._internal.cli.utils.common import console
 from dstack._internal.cli.utils.gpu import print_gpu_json, print_gpu_table
@@ -15,7 +15,6 @@
 from dstack._internal.core.models.configurations import ApplyConfigurationType, TaskConfiguration
 from dstack._internal.core.models.gpus import GpuGroup
 from dstack._internal.core.models.runs import RunSpec
-from dstack.api.utils import load_profile
 
 
 class OfferConfigurator(BaseRunConfigurator):
@@ -81,7 +80,7 @@ def _command(self, args: argparse.Namespace):
 
         configurator = OfferConfigurator(api_client=self.api)
         configurator.apply_args(conf, args)
-        profile = load_profile(Path.cwd(), profile_name=args.profile)
+        profile = load_profile_from_args(args=args, repo_dir=Path.cwd())
 
         run_spec = RunSpec(
             configuration=conf,

src/dstack/_internal/cli/services/configurators/run.py

@@ -17,7 +17,11 @@
     ApplyEnvVarsConfiguratorMixin,
     BaseApplyConfigurator,
 )
-from dstack._internal.cli.services.profile import apply_profile_args, register_profile_args
+from dstack._internal.cli.services.profile import (
+    apply_profile_args,
+    load_profile_from_args,
+    register_profile_args,
+)
 from dstack._internal.cli.services.repos import (
     get_repo_from_dir,
     get_repo_from_url,
@@ -68,7 +72,6 @@
 from dstack._internal.utils.nested_list import NestedList, NestedListItem
 from dstack._internal.utils.path import is_absolute_posix_path
 from dstack.api._public.runs import Run
-from dstack.api.utils import load_profile
 
 _KNOWN_AMD_GPUS = {gpu.name.lower() for gpu in gpuhunt.KNOWN_AMD_GPUS}
 _KNOWN_NVIDIA_GPUS = {gpu.name.lower() for gpu in gpuhunt.KNOWN_NVIDIA_GPUS}
@@ -132,7 +135,7 @@ def get_plan(
         repo = self.get_repo(conf, configuration_path, configurator_args)
         if repo is None:
             repo = init_default_virtual_repo(api=self.api)
-        profile = load_profile(Path.cwd(), configurator_args.profile)
+        profile = load_profile_from_args(args=configurator_args, repo_dir=Path.cwd())
         with console.status("Getting apply plan..."):
             run_plan = self.api.runs.get_run_plan(
                 configuration=conf,

src/dstack/_internal/cli/services/profile.py

@@ -1,14 +1,22 @@
 import argparse
 import os
 
+from dstack._internal.core.errors import CLIError
 from dstack._internal.core.models.profiles import (
     CreationPolicy,
+    Profile,
     ProfileParams,
     ProfileRetry,
     SpotPolicy,
     parse_duration,
     parse_max_duration,
 )
+from dstack._internal.utils.env import environ
+from dstack._internal.utils.path import PathLike
+from dstack.api.utils import load_profile
+
+_PROFILE_ENV_VAR = "DSTACK_PROFILE"
+_NO_PROFILE_ENV_VAR = "DSTACK_NO_PROFILE"
 
 
 def register_profile_args(parser: argparse.ArgumentParser):
@@ -17,13 +25,22 @@ def register_profile_args(parser: argparse.ArgumentParser):
     CLI arguments that override `profiles.yml` settings.
     """
     profile_group = parser.add_argument_group("Profile")
-    profile_group.add_argument(
+    profile_exc = profile_group.add_mutually_exclusive_group()
+    profile_exc.add_argument(
         "--profile",
         metavar="NAME",
-        help="The name of the profile. Defaults to [code]$DSTACK_PROFILE[/]",
-        default=os.getenv("DSTACK_PROFILE"),
+        help=f"The name of the profile. Defaults to [code]${_PROFILE_ENV_VAR}[/]",
         dest="profile",
     )
+    profile_exc.add_argument(
+        "--no-profile",
+        help=(
+            "Don't load any profile."
+            f" Enabled by default if [code]${_NO_PROFILE_ENV_VAR}[/] is set and [code]--profile[/] is not specified"
+        ),
+        action="store_true",
+        dest="no_profile",
+    )
     profile_group.add_argument(
         "--max-price",
         metavar="PRICE",
@@ -131,6 +148,21 @@ def register_profile_args(parser: argparse.ArgumentParser):
     )
 
 
+def load_profile_from_args(args: argparse.Namespace, repo_dir: PathLike) -> Profile:
+    # precedence: --no-profile > --profile=name > DSTACK_NO_PROFILE=1 > DSTACK_PROFILE=name
+    if args.no_profile:
+        return _build_dummy_no_profile()
+    if args.profile is not None:
+        return load_profile(repo_dir=repo_dir, profile_name=args.profile)
+    try:
+        no_profile_from_env = environ.get_bool(_NO_PROFILE_ENV_VAR, default=False)
+    except ValueError as e:
+        raise CLIError(str(e)) from e
+    if no_profile_from_env:
+        return _build_dummy_no_profile()
+    return load_profile(repo_dir=repo_dir, profile_name=os.getenv(_PROFILE_ENV_VAR))
+
+
 def apply_profile_args(
     args: argparse.Namespace,
     profile_settings: ProfileParams,
@@ -178,3 +210,7 @@ def max_duration(v: str) -> int:
 
 def retry_duration(v: str) -> int:
     return parse_duration(v)
+
+
+def _build_dummy_no_profile() -> Profile:
+    return Profile(name="no-profile")