feat: add pvcviewer-controller rock (#154)

* Added rockcraft.yaml
* Added sanity tests
* Added tox.ini

pvcviewer-controller/rockcraft.yaml

@@ -0,0 +1,61 @@
+# Source https://github.com/kubeflow/kubeflow/blob/v1.9.0/components/pvcviewer-controller/Dockerfile
+
+name: pvcviewer-controller
+summary: An image for PVC viewer controller
+description: |
+  This image is used as part of the Kubeflow ecosystem. The controller allows users to
+  manage and view Persistent Volume Claims (PVCs) in the cluster.
+version: "1.9.0"
+license: Apache-2.0
+base: ubuntu@22.04
+run-user: _daemon_
+platforms:
+  amd64:
+
+services:
+  pvcviewer-operator:
+    override: replace
+    summary: "pvcviewer-operator service"
+    startup: enabled
+    user: ubuntu
+    command: "/manager"
+
+parts:
+  security-team-requirement:
+    plugin: nil
+    override-build: |
+      mkdir -p ${CRAFT_PART_INSTALL}/usr/share/rocks
+      (echo "# os-release" && cat /etc/os-release && echo "# dpkg-query" && \
+       dpkg-query -f '${db:Status-Abbrev},${binary:Package},${Version},${source:Package},${Source:Version}\n' -W) > \
+       ${CRAFT_PART_INSTALL}/usr/share/rocks/dpkg.query
+       
+  pvcviewer-operator:
+    plugin: go
+    source-type: git    
+    source: https://github.com/kubeflow/kubeflow.git
+    source-depth: 1
+    source-tag: v1.9.0
+    source-subdir: components/pvcviewer-controller/    
+    build-snaps:
+      - go/1.22/stable
+    build-packages:
+      - apt
+      - bash
+    build-environment:
+      - CGO_ENABLED: 0
+      - GOOS: linux
+    stage-packages:
+      - bash      
+    organize:
+      bin/pvc-viewer: "/manager"
+    prime:
+      - manager
+
+  non-root-user:
+    plugin: nil
+    after: [pvcviewer-operator]
+    overlay-script: |
+      # Create a user in the $CRAFT_OVERLAY chroot
+      groupadd -R $CRAFT_OVERLAY -g 1001 ubuntu
+      useradd -R $CRAFT_OVERLAY -M -r -u 1001 -g ubuntu ubuntu
+

pvcviewer-controller/tests/test_rock.py

@@ -0,0 +1,30 @@
+# Copyright 2024 Canonical Ltd.
+# See LICENSE file for licensing details.
+
+import pytest
+import subprocess
+
+from charmed_kubeflow_chisme.rock import CheckRock
+
+
+@pytest.mark.abort_on_fail
+def test_rock():
+    """Test rock."""
+    check_rock = CheckRock("rockcraft.yaml")
+    rock_image = check_rock.get_name()
+    rock_version = check_rock.get_version()
+    LOCAL_ROCK_IMAGE = f"{rock_image}:{rock_version}"
+
+    subprocess.run(
+        [
+            "docker",
+            "run",
+            "--rm",
+            LOCAL_ROCK_IMAGE,
+            "exec",
+            "ls",
+            "-la",
+            "/manager",
+        ],
+        check=True,
+    )

pvcviewer-controller/tox.ini

@@ -0,0 +1,51 @@
+# Copyright 2024 Canonical Ltd.
+# See LICENSE file for licensing details.
+[tox]
+skipsdist = True
+skip_missing_interpreters = True
+envlist = pack, export-to-docker, sanity, integration
+
+[testenv]
+setenv =
+    PYTHONPATH={toxinidir}
+    PYTHONBREAKPOINT=ipdb.set_trace
+
+[testenv:pack]
+passenv = *
+allowlist_externals =
+    rockcraft
+commands =
+    rockcraft pack
+
+[testenv:export-to-docker]
+passenv = *
+allowlist_externals =
+    bash
+    skopeo
+    yq
+commands =
+# export rock to docker
+    bash -c 'NAME=$(yq eval .name rockcraft.yaml) && \
+    VERSION=$(yq eval .version rockcraft.yaml) && \
+    ARCH=$(yq eval ".platforms | keys | .[0]" rockcraft.yaml) && \
+    ROCK="$\{NAME\}_$\{VERSION\}_$\{ARCH\}.rock" && \
+    DOCKER_IMAGE=$NAME:$VERSION && \
+    echo "Exporting $ROCK to docker as $DOCKER_IMAGE" && \
+    skopeo --insecure-policy copy oci-archive:$ROCK docker-daemon:$DOCKER_IMAGE'
+
+[testenv:sanity]
+passenv = *
+deps =
+    pytest
+    charmed-kubeflow-chisme
+commands =
+# run rock tests
+    pytest -s -v --tb native --show-capture=all --log-cli-level=INFO {posargs} {toxinidir}/tests
+
+[testenv:integration]
+passenv = *
+allowlist_externals =
+    echo
+commands =
+# TODO: Implement integration tests here
+    echo "WARNING: This is a placeholder test - no test is implemented here."