Added upload support

closes: #52

CHANGES/52.feature

@@ -0,0 +1 @@
+Added ability to upload Maven Artifacts to repositories.

docs/workflows/index.rst

@@ -29,3 +29,4 @@ set is the hostname and port::
    :maxdepth: 2
 
    cache
+   upload

docs/workflows/upload.rst

@@ -0,0 +1,49 @@
+Upload a Jar to a Maven Repository
+==================================
+
+Create a maven Repository for the
+
+Create a Maven Repository
+-------------------------
+
+``$ http POST http://localhost:24817/pulp/api/v3/repositories/maven/maven/ name='my-snapshot-repository'``
+
+Create a Maven Distribution for the Maven Repository
+----------------------------------------------------
+
+``$ http POST http://localhost:24817/pulp/api/v3/distributions/maven/maven/ name='my-snapshot-repository' base_path='my/local/snapshots' repository=$REPO_HREF``
+
+
+.. code:: json
+
+    {
+        "pulp_href": "/pulp/api/v3/distributions/67baa17e-0a9f-4302-b04a-dbf324d139de/"
+    }
+
+Upload a Jar to the Repository
+------------------------------
+
+``$ http --form POST http://localhost:24817/pulp/api/v3/content/maven/artifact/ group_id='org.openapitools' artifact_id='openapi-generator-cli' version='6.4.0-SNAPSHOT' filename='openapi-generator-cli-6.4.0.jar' file@./openapi-generator-cli.jar repository=$REPO_HREF``
+
+
+.. code:: json
+
+    {
+        "task": "/pulp/api/v3/tasks/03d5a40b-4bda-4ee7-96cb-f0639b6c5d6a/"
+    }
+
+Add Pulp as mirror for Maven
+----------------------------
+
+.. code:: xml
+
+    <settings>
+      <mirrors>
+        <mirror>
+          <id>pulp-maven-central</id>
+          <name>Local Maven Central mirror </name>
+          <url>http://localhost:24816/pulp/content/my/local/my/local/snapshots</url>
+          <mirrorOf>central</mirrorOf>
+        </mirror>
+      </mirrors>
+    </settings>

pulp_maven/app/serializers.py

@@ -2,48 +2,70 @@
 
 from rest_framework import serializers
 
-from pulpcore.plugin import serializers as platform
+from pulpcore.plugin.serializers import (
+    ContentChecksumSerializer,
+    DetailRelatedField,
+    DistributionSerializer,
+    RemoteSerializer,
+    RepositorySerializer,
+    SingleArtifactContentUploadSerializer,
+)
 
 from . import models
 
 
-class MavenRepositorySerializer(platform.RepositorySerializer):
+class MavenRepositorySerializer(RepositorySerializer):
     """
     Serializer for Maven Repositories.
     """
 
     class Meta:
-        fields = platform.RepositorySerializer.Meta.fields
+        fields = RepositorySerializer.Meta.fields
         model = models.MavenRepository
 
 
-class MavenArtifactSerializer(platform.SingleArtifactContentSerializer):
+class MavenArtifactSerializer(SingleArtifactContentUploadSerializer, ContentChecksumSerializer):
     """
     A Serializer for MavenArtifact.
     """
 
-    group_id = serializers.CharField(
-        help_text=_("Group Id of the artifact's package."), read_only=True
-    )
-    artifact_id = serializers.CharField(
-        help_text=_("Artifact Id of the artifact's package."), read_only=True
-    )
-    version = serializers.CharField(
-        help_text=_("Version of the artifact's package."), read_only=True
-    )
-    filename = serializers.CharField(help_text=_("Filename of the artifact."), read_only=True)
+    group_id = serializers.CharField(help_text=_("Group Id of the artifact's package."))
+    artifact_id = serializers.CharField(help_text=_("Artifact Id of the artifact's package."))
+    version = serializers.CharField(help_text=_("Version of the artifact's package."))
+    filename = serializers.CharField(help_text=_("Filename of the artifact."))
+
+    def deferred_validate(self, data):
+        """Validate the FileContent data."""
+        data = super().deferred_validate(data)
+        data["relative_path"] = (
+            f"{data['group_id'].replace('.', '/')}/{data['artifact_id']}/{data['version']}/"
+            f"{data['filename']}"
+        )
+        return data
+
+    def retrieve(self, validated_data):
+        content = models.MavenArtifact.objects.filter(
+            group_id=validated_data["group_id"],
+            artifact_id=validated_data["artifact_id"],
+            version=validated_data["version"],
+            filename=validated_data["filename"],
+        )
+        return content.first()
 
     class Meta:
-        fields = platform.SingleArtifactContentSerializer.Meta.fields + (
-            "group_id",
-            "artifact_id",
-            "version",
-            "filename",
+        fields = (
+            SingleArtifactContentUploadSerializer.Meta.fields
+            + ContentChecksumSerializer.Meta.fields
+            + ("group_id", "artifact_id", "version", "filename")
         )
+        # Remove relative_path
+        fields = tuple(field for field in fields if field != "relative_path")
         model = models.MavenArtifact
+        # Validation occurs in the task.
+        validators = []
 
 
-class MavenRemoteSerializer(platform.RemoteSerializer):
+class MavenRemoteSerializer(RemoteSerializer):
     """
     A Serializer for MavenRemote.
 
@@ -58,16 +80,16 @@ class Meta:
     """
 
     class Meta:
-        fields = platform.RemoteSerializer.Meta.fields
+        fields = RemoteSerializer.Meta.fields
         model = models.MavenRemote
 
 
-class MavenDistributionSerializer(platform.DistributionSerializer):
+class MavenDistributionSerializer(DistributionSerializer):
     """
     Serializer for Maven Distributions.
     """
 
-    remote = platform.DetailRelatedField(
+    remote = DetailRelatedField(
         required=False,
         help_text=_("Remote that can be used to fetch content when using pull-through caching."),
         queryset=models.MavenRemote.objects.all(),
@@ -76,5 +98,5 @@ class MavenDistributionSerializer(platform.DistributionSerializer):
     )
 
     class Meta:
-        fields = platform.DistributionSerializer.Meta.fields + ("remote",)
+        fields = DistributionSerializer.Meta.fields + ("remote",)
         model = models.MavenDistribution

pulp_maven/app/viewsets.py

@@ -1,62 +1,78 @@
-from pulpcore.plugin import viewsets as core
+from pulpcore.plugin.viewsets import (
+    ContentFilter,
+    DistributionViewSet,
+    RemoteViewSet,
+    RepositoryVersionViewSet,
+    RepositoryViewSet,
+    SingleArtifactContentUploadViewSet,
+)
+from pulpcore.plugin.actions import ModifyRepositoryActionMixin
 
-from . import models, serializers
 
+from pulp_maven.app.models import MavenArtifact, MavenRemote, MavenRepository, MavenDistribution
 
-class MavenArtifactFilter(core.ContentFilter):
+from pulp_maven.app.serializers import (
+    MavenArtifactSerializer,
+    MavenRemoteSerializer,
+    MavenRepositorySerializer,
+    MavenDistributionSerializer,
+)
+
+
+class MavenArtifactFilter(ContentFilter):
     """
     FilterSet for MavenArtifact.
     """
 
     class Meta:
-        model = models.MavenArtifact
+        model = MavenArtifact
         fields = ["group_id", "artifact_id", "version", "filename"]
 
 
-class MavenArtifactViewSet(core.ContentViewSet):
+class MavenArtifactViewSet(SingleArtifactContentUploadViewSet):
     """
     A ViewSet for MavenArtifact.
     """
 
     endpoint_name = "artifact"
-    queryset = models.MavenArtifact.objects.all()
-    serializer_class = serializers.MavenArtifactSerializer
+    queryset = MavenArtifact.objects.prefetch_related("_artifacts").all()
+    serializer_class = MavenArtifactSerializer
     filterset_class = MavenArtifactFilter
 
 
-class MavenRemoteViewSet(core.RemoteViewSet):
+class MavenRemoteViewSet(RemoteViewSet):
     """
     A ViewSet for MavenRemote.
     """
 
     endpoint_name = "maven"
-    queryset = models.MavenRemote.objects.all()
-    serializer_class = serializers.MavenRemoteSerializer
+    queryset = MavenRemote.objects.all()
+    serializer_class = MavenRemoteSerializer
 
 
-class MavenRepositoryViewSet(core.RepositoryViewSet):
+class MavenRepositoryViewSet(RepositoryViewSet, ModifyRepositoryActionMixin):
     """
     A ViewSet for MavenRemote.
     """
 
     endpoint_name = "maven"
-    queryset = models.MavenRepository.objects.all()
-    serializer_class = serializers.MavenRepositorySerializer
+    queryset = MavenRepository.objects.all()
+    serializer_class = MavenRepositorySerializer
 
 
-class MavenRepositoryVersionViewSet(core.RepositoryVersionViewSet):
+class MavenRepositoryVersionViewSet(RepositoryVersionViewSet):
     """
     MavenRepositoryVersion represents a single Maven repository version.
     """
 
     parent_viewset = MavenRepositoryViewSet
 
 
-class MavenDistributionViewSet(core.DistributionViewSet):
+class MavenDistributionViewSet(DistributionViewSet):
     """
     ViewSet for Maven Distributions.
     """
 
     endpoint_name = "maven"
-    queryset = models.MavenDistribution.objects.all()
-    serializer_class = serializers.MavenDistributionSerializer
+    queryset = MavenDistribution.objects.all()
+    serializer_class = MavenDistributionSerializer

pulp_maven/tests/functional/api/test_upload.py

@@ -0,0 +1,83 @@
+import hashlib
+from urllib.parse import urljoin
+
+from pulp_maven.tests.functional.utils import download_file
+
+
+def test_upload_workflow(
+    maven_repo_api_client,
+    maven_repo_factory,
+    random_maven_artifact_factory,
+    maven_artifact_api_client,
+    maven_distribution_factory,
+    gen_object_with_cleanup,
+):
+    # Create a repository and assert that the latest version is 0
+    repo = maven_repo_factory()
+    assert repo.latest_version_href.endswith("/versions/0/")
+
+    # Create a random jar
+    jar_file = random_maven_artifact_factory()
+
+    # Upload the jar into the repository
+    artifact_kwargs = dict(
+        group_id=jar_file["group_id"],
+        artifact_id=jar_file["artifact_id"],
+        version=jar_file["version"],
+        filename=jar_file["filename"],
+        file=jar_file["full_path"],
+        repository=repo.pulp_href,
+    )
+    maven_artifact = gen_object_with_cleanup(maven_artifact_api_client, **artifact_kwargs)
+
+    # Assert that a Maven Artifact was created
+    assert maven_artifact.group_id == jar_file["group_id"]
+    assert maven_artifact.artifact_id == jar_file["artifact_id"]
+    assert maven_artifact.version == jar_file["version"]
+    assert maven_artifact.filename == jar_file["filename"]
+
+    # Assert that a repository version was created
+    repo = maven_repo_api_client.read(repo.pulp_href)
+    assert repo.latest_version_href.endswith("/versions/1/")
+
+    # Assert that this Maven Artifact is in the repository version
+    content_in_repo_version = maven_artifact_api_client.list(
+        repository_version=repo.latest_version_href
+    )
+    assert content_in_repo_version.results[0].pulp_href == maven_artifact.pulp_href
+
+    # Create a second repository and assert that latest version is 0
+    repo2 = maven_repo_factory()
+    assert repo2.latest_version_href.endswith("/versions/0/")
+
+    # Assert that the same content unit can be uploaded again
+    artifact_kwargs["repository"] = repo2.pulp_href
+    maven_artifact2 = gen_object_with_cleanup(maven_artifact_api_client, **artifact_kwargs)
+
+    # Assert that the existing artifact was identified by the upload API.
+    assert maven_artifact.pulp_href == maven_artifact2.pulp_href
+
+    # Assert that a new repository version was created.
+    repo2 = maven_repo_api_client.read(repo2.pulp_href)
+    assert repo2.latest_version_href.endswith("/versions/1/")
+
+    # Assert that this Maven Artifact is in the repository version
+    content_in_repo2_version = maven_artifact_api_client.list(
+        repository_version=repo2.latest_version_href
+    )
+    assert content_in_repo2_version.results[0].pulp_href == maven_artifact2.pulp_href
+
+    # Create a distribution and serve repo
+    distribution = maven_distribution_factory(repository=repo.pulp_href)
+
+    # Download the jar from the distribution
+    unit_path = (
+        f"{jar_file['group_id'].replace('.', '/')}/{jar_file['artifact_id']}/"
+        f"{jar_file['version']}/{jar_file['filename']}"
+    )
+    pulp_unit_url = urljoin(distribution.base_url, unit_path)
+    downloaded_file = download_file(pulp_unit_url)
+    downloaded_file_checksum = hashlib.sha256(downloaded_file.body).hexdigest()
+
+    # Assert that the downloaded file's checksum matches the original
+    assert jar_file["sha256"] == downloaded_file_checksum

pulp_maven/tests/functional/conftest.py

@@ -10,6 +10,8 @@
     RepositoriesMavenApi,
 )
 
+from pulp_maven.tests.functional.utils import generate_jar
+
 
 @pytest.fixture(scope="session")
 def maven_client(_api_client_set, bindings_cfg):
@@ -69,3 +71,21 @@ def _maven_remote_factory(**kwargs):
         return gen_object_with_cleanup(maven_remote_api_client, kwargs)
 
     yield _maven_remote_factory
+
+
+@pytest.fixture
+def random_maven_artifact_factory(tmp_path):
+    """A factory to generate a random maven artifact."""
+
+    def _random_maven_artifact_factory(**kwargs):
+        kwargs.setdefault("group_id", f"org.{str(uuid.uuid4())}")
+        kwargs.setdefault("artifact_id", str(uuid.uuid4()))
+        kwargs.setdefault("version", str(uuid.uuid4()))
+        kwargs.setdefault("filename", f"{str(uuid.uuid4())}.jar")
+        full_path = tmp_path / kwargs["filename"]
+        _, checksum = generate_jar(full_path)
+        kwargs["full_path"] = full_path
+        kwargs["sha256"] = checksum
+        return kwargs
+
+    return _random_maven_artifact_factory