diff --git a/sunbeam-python/sunbeam/storage/backends/inspurinstorage/__init__.py b/sunbeam-python/sunbeam/storage/backends/inspurinstorage/__init__.py new file mode 100644 index 000000000..88c7f4719 --- /dev/null +++ b/sunbeam-python/sunbeam/storage/backends/inspurinstorage/__init__.py @@ -0,0 +1,4 @@ +# SPDX-FileCopyrightText: 2026 - Canonical Ltd +# SPDX-License-Identifier: Apache-2.0 + +"""Inspur InStorage backend for Sunbeam storage.""" diff --git a/sunbeam-python/sunbeam/storage/backends/inspurinstorage/backend.py b/sunbeam-python/sunbeam/storage/backends/inspurinstorage/backend.py new file mode 100644 index 000000000..b5e3f9053 --- /dev/null +++ b/sunbeam-python/sunbeam/storage/backends/inspurinstorage/backend.py @@ -0,0 +1,182 @@ +# SPDX-FileCopyrightText: 2026 - Canonical Ltd +# SPDX-License-Identifier: Apache-2.0 + +"""Inspur InStorageMCS backend implementation using base step classes.""" + +import logging +from enum import StrEnum +from typing import Annotated + +from pydantic import Field +from rich.console import Console + +from sunbeam.core.manifest import StorageBackendConfig +from sunbeam.storage.base import StorageBackendBase +from sunbeam.storage.models import SecretDictField + +LOG = logging.getLogger(__name__) +console = Console() + + +class Protocol(StrEnum): + """Enumeration of valid protocol types.""" + + FC = "fc" + ISCSI = "iscsi" + + +class InspurinstorageConfig(StorageBackendConfig): + """Configuration model for Inspur InStorageMCS backend. + + This model includes ALL configuration options for the backend. + Additional configuration can be managed dynamically through the charm. + """ + + # Mandatory connection parameters + san_ip: Annotated[str, Field(description="IP address of SAN controller")] + san_login: Annotated[ + str, + Field(description="Username for SAN controller"), + SecretDictField(field="san-login"), + ] + san_password: Annotated[ + str, + Field(description="Password for SAN controller"), + SecretDictField(field="san-password"), + ] + + # Optional backend configuration + protocol: Annotated[ + Protocol | None, + Field(description="Protocol selector: fc, iscsi."), + ] = None + + instorage_mcs_vol_autoexpand: Annotated[ + bool | None, + Field( + description=("Storage system autoexpand parameter for volumes (True/False)") + ), + ] = None + instorage_mcs_vol_compression: Annotated[ + bool | None, Field(description="Storage system compression option for volumes") + ] = None + instorage_mcs_vol_intier: Annotated[ + bool | None, Field(description="Enable InTier for volumes") + ] = None + instorage_mcs_allow_tenant_qos: Annotated[ + bool | None, Field(description="Allow tenants to specify QOS on create") + ] = None + instorage_mcs_vol_grainsize: Annotated[ + int | None, + Field( + description=( + "Storage system grain size parameter for volumes (32/64/128/256)" + ) + ), + ] = None + instorage_mcs_vol_rsize: Annotated[ + int | None, + Field( + description=( + "Storage system space-efficiency parameter for volumes (percentage)" + ) + ), + ] = None + instorage_mcs_vol_warning: Annotated[ + int | None, + Field( + description=( + "Storage system threshold for volume capacity warnings (percentage)" + ) + ), + ] = None + instorage_mcs_localcopy_timeout: Annotated[ + int | None, + Field( + description=( + "Maximum number of seconds to wait for LocalCopy to be prepared." + ) + ), + ] = None + instorage_mcs_localcopy_rate: Annotated[ + int | None, + Field( + description=( + "Specifies the InStorage LocalCopy copy rate " + "used when creating a full volume copy." + ) + ), + ] = None + instorage_mcs_vol_iogrp: Annotated[ + str | None, Field(description="The I/O group in which to allocate volumes.") + ] = None + instorage_san_secondary_ip: Annotated[ + str | None, + Field( + description=( + "Specifies secondary management IP or hostname " + "used if san_ip is invalid or inaccessible." + ) + ), + ] = None + instorage_mcs_volpool_name: Annotated[ + str | None, + Field( + description=( + "Comma-separated list of storage system storage pools for volumes." + ) + ), + ] = None + instorage_mcs_iscsi_chap_enabled: Annotated[ + bool | None, + Field( + description=( + "Configure CHAP authentication for iSCSI " + "connections (default: enabled)." + ) + ), + ] = None + san_thin_provision: Annotated[ + bool | None, Field(description="Use thin provisioning for SAN volumes?") + ] = None + use_multipath_for_image_xfer: Annotated[ + bool | None, + Field(description="Enable multipathing for image transfer operations."), + ] = None + + +class InspurinstorageBackend(StorageBackendBase): + """Inspur InStorageMCS backend implementation.""" + + backend_type = "inspurinstorage" + display_name = "InStorageMCS" + generally_available = True + + @property + def charm_name(self) -> str: + """Return the charm application name.""" + return "cinder-volume-inspurinstorage" + + @property + def charm_channel(self) -> str: + """Return the default charm channel.""" + return "latest/edge" + + @property + def charm_revision(self) -> str | None: + """Return a pinned charm revision, if any.""" + return None + + @property + def charm_base(self) -> str: + """Return the target base for this charm.""" + return "ubuntu@24.04" + + @property + def supports_ha(self) -> bool: + """Whether this backend supports HA deployments.""" + return False + + def config_type(self) -> type[StorageBackendConfig]: + """Return the configuration model type for this backend.""" + return InspurinstorageConfig diff --git a/sunbeam-python/tests/unit/sunbeam/storage/backends/conftest.py b/sunbeam-python/tests/unit/sunbeam/storage/backends/conftest.py index 80d3d8ef5..2d7d32276 100644 --- a/sunbeam-python/tests/unit/sunbeam/storage/backends/conftest.py +++ b/sunbeam-python/tests/unit/sunbeam/storage/backends/conftest.py @@ -8,6 +8,7 @@ from sunbeam.storage.backends.dellpowerstore.backend import DellPowerstoreBackend from sunbeam.storage.backends.dellsc.backend import DellSCBackend from sunbeam.storage.backends.hitachi.backend import HitachiBackend +from sunbeam.storage.backends.inspurinstorage.backend import InspurinstorageBackend from sunbeam.storage.backends.purestorage.backend import PureStorageBackend @@ -29,19 +30,28 @@ def dellsc_backend(): return DellSCBackend() +@pytest.fixture +def inspurinstorage_backend(): + """Provide an Inspur InStorage backend instance.""" + return InspurinstorageBackend() + + @pytest.fixture def dellpowerstore_backend(): """Provide a Dell PowerStore backend instance.""" return DellPowerstoreBackend() -@pytest.fixture(params=["hitachi", "purestorage", "dellsc", "dellpowerstore"]) +@pytest.fixture( + params=["hitachi", "purestorage", "dellsc", "inspurinstorage", "dellpowerstore"] +) def any_backend(request): """Parametrized fixture that provides each backend type.""" backends = { "hitachi": HitachiBackend(), "purestorage": PureStorageBackend(), "dellsc": DellSCBackend(), + "inspurinstorage": InspurinstorageBackend(), "dellpowerstore": DellPowerstoreBackend(), } return backends[request.param] diff --git a/sunbeam-python/tests/unit/sunbeam/storage/backends/test_common.py b/sunbeam-python/tests/unit/sunbeam/storage/backends/test_common.py index def51a0e8..e0ec3fcb9 100644 --- a/sunbeam-python/tests/unit/sunbeam/storage/backends/test_common.py +++ b/sunbeam-python/tests/unit/sunbeam/storage/backends/test_common.py @@ -157,13 +157,18 @@ def backend(self, any_backend): def test_all_backends_have_unique_types( - hitachi_backend, purestorage_backend, dellsc_backend, dellpowerstore_backend + hitachi_backend, + purestorage_backend, + dellsc_backend, + inspurinstorage_backend, + dellpowerstore_backend, ): """Test that all backends have unique type identifiers.""" backends = [ hitachi_backend, purestorage_backend, dellsc_backend, + inspurinstorage_backend, dellpowerstore_backend, ] types = [b.backend_type for b in backends] @@ -173,13 +178,18 @@ def test_all_backends_have_unique_types( def test_all_backends_have_unique_charm_names( - hitachi_backend, purestorage_backend, dellsc_backend, dellpowerstore_backend + hitachi_backend, + purestorage_backend, + dellsc_backend, + inspurinstorage_backend, + dellpowerstore_backend, ): """Test that all backends have unique charm names.""" backends = [ hitachi_backend, purestorage_backend, dellsc_backend, + inspurinstorage_backend, dellpowerstore_backend, ] charm_names = [b.charm_name for b in backends] @@ -196,6 +206,7 @@ def test_all_backends_have_unique_charm_names( ("hitachi", "hitachi"), ("purestorage", "purestorage"), ("dellsc", "dellsc"), + ("inspurinstorage", "inspurinstorage"), ("dellpowerstore", "dellpowerstore"), ], ) @@ -211,6 +222,7 @@ def test_backend_types_match_expected(any_backend, backend_type, expected_type): ("hitachi", "cinder-volume-hitachi"), ("purestorage", "cinder-volume-purestorage"), ("dellsc", "cinder-volume-dellsc"), + ("inspurinstorage", "cinder-volume-inspurinstorage"), ("dellpowerstore", "cinder-volume-dellpowerstore"), ], ) diff --git a/sunbeam-python/tests/unit/sunbeam/storage/backends/test_inspurinstorage.py b/sunbeam-python/tests/unit/sunbeam/storage/backends/test_inspurinstorage.py new file mode 100644 index 000000000..328c00d4c --- /dev/null +++ b/sunbeam-python/tests/unit/sunbeam/storage/backends/test_inspurinstorage.py @@ -0,0 +1,86 @@ +# SPDX-FileCopyrightText: 2026 - Canonical Ltd +# SPDX-License-Identifier: Apache-2.0 + +"""Tests for Inspur InStorage backend.""" + +import pytest +from pydantic import ValidationError + +from sunbeam.storage.models import SecretDictField +from tests.unit.sunbeam.storage.backends.test_common import BaseBackendTests + + +class TestInspurinstorageBackend(BaseBackendTests): + """Tests for Inspur InStorage backend.""" + + @pytest.fixture + def backend(self, inspurinstorage_backend): + """Provide Inspur InStorage backend instance.""" + return inspurinstorage_backend + + def test_backend_type_is_inspurinstorage(self, backend): + """Test that backend type is 'inspurinstorage'.""" + assert backend.backend_type == "inspurinstorage" + + def test_charm_name_is_inspurinstorage_charm(self, backend): + """Test that charm name is cinder-volume-inspurinstorage.""" + assert backend.charm_name == "cinder-volume-inspurinstorage" + + def test_config_has_expected_fields(self, backend): + """Test that InStorage config has expected fields.""" + fields = backend.config_type().model_fields + for field in ("san_ip", "san_login", "san_password", "protocol"): + assert field in fields, f"Expected field {field} not found in config" + + def test_san_credentials_are_secret(self, backend): + """Test that SAN login and password are marked as secrets.""" + config_class = backend.config_type() + for field_name in ("san_login", "san_password"): + field = config_class.model_fields.get(field_name) + assert field is not None + assert any(isinstance(m, SecretDictField) for m in field.metadata), ( + f"{field_name} should be marked as secret" + ) + + +class TestInspurinstorageConfigValidation: + """Test Inspur InStorage config validation behavior.""" + + def test_protocol_rejects_invalid_value(self, inspurinstorage_backend): + """Test that protocol rejects values other than fc/iscsi.""" + config_class = inspurinstorage_backend.config_type() + with pytest.raises(ValidationError): + config_class.model_validate( + { + "san-ip": "192.168.1.1", + "san-login": "admin", + "san-password": "secret", + "protocol": "nvme", + } + ) + + def test_protocol_accepts_fc(self, inspurinstorage_backend): + """Test that protocol accepts fc.""" + config_class = inspurinstorage_backend.config_type() + config = config_class.model_validate( + { + "san-ip": "192.168.1.1", + "san-login": "admin", + "san-password": "secret", + "protocol": "fc", + } + ) + assert config.protocol == "fc" + + def test_protocol_accepts_iscsi(self, inspurinstorage_backend): + """Test that protocol accepts iscsi.""" + config_class = inspurinstorage_backend.config_type() + config = config_class.model_validate( + { + "san-ip": "192.168.1.1", + "san-login": "admin", + "san-password": "secret", + "protocol": "iscsi", + } + ) + assert config.protocol == "iscsi"