refactor(analyzer): Use environments to install Conan

This is an alignment commit to reflect the change in ORT due to [1].

[1]: oss-review-toolkit/ort#10127

Signed-off-by: Nicolas Nobelis <[email protected]>

Author: nnobelis

workers/analyzer/docker/Analyzer.Dockerfile

@@ -165,7 +165,7 @@ ARG PYTHON_VERSION
 ARG PYENV_GIT_TAG
 
 ENV PYENV_ROOT=/opt/python
-ENV PATH=$PATH:$PYENV_ROOT/shims:$PYENV_ROOT/bin:$PYENV_ROOT/conan2/bin
+ENV PATH=$PATH:$PYENV_ROOT/shims:$PYENV_ROOT/bin
 RUN curl -kSs https://pyenv.run | bash \
     && pyenv install -v $PYTHON_VERSION \
     && pyenv global $PYTHON_VERSION
@@ -182,16 +182,23 @@ RUN pip install --no-cache-dir -U \
     wheel \
     && pip install --no-cache-dir -U \
     Mercurial \
-    conan=="$CONAN_VERSION" \
     pipenv=="$PYTHON_PIPENV_VERSION" \
     poetry=="$PYTHON_POETRY_VERSION" \
     python-inspector=="$PYTHON_INSPECTOR_VERSION"
-RUN mkdir /tmp/conan2 && cd /tmp/conan2 \
-    && wget https://github.com/conan-io/conan/releases/download/$CONAN2_VERSION/conan-$CONAN2_VERSION-linux-x86_64.tgz \
-    && tar -xvf conan-$CONAN2_VERSION-linux-x86_64.tgz\
-    # Rename the Conan 2 executable to "conan2" to be able to call both Conan version from the package manager.
-    && mkdir $PYENV_ROOT/conan2 && mv /tmp/conan2/bin $PYENV_ROOT/conan2/ \
-    && mv $PYENV_ROOT/conan2/bin/conan $PYENV_ROOT/conan2/bin/conan2
+
+# Create conan environments
+COPY scripts/setup_conan.sh ${PYENV_ROOT}/bin/conan
+RUN eval "$(pyenv init - bash)"  \
+    && eval "$(pyenv virtualenv-init -)" \
+    && pyenv virtualenv conan \
+    && pyenv activate conan \
+    && pip install conan==${CONAN_VERSION} \
+    && pyenv deactivate \
+    && pyenv virtualenv conan2 \
+    && pyenv activate conan2 \
+    && pip install conan==${CONAN2_VERSION} \
+    && pyenv deactivate \
+    && sudo chmod +x ${PYENV_ROOT}/bin/conan
 
 FROM scratch AS python
 COPY --from=pythonbuild /opt/python /opt/python
@@ -463,7 +470,7 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
 
 # Python
 ENV PYENV_ROOT=/opt/python
-ENV PATH=$PATH:$PYENV_ROOT/shims:$PYENV_ROOT/bin:$PYENV_ROOT/conan2/bin
+ENV PATH=$PATH:$PYENV_ROOT/shims:$PYENV_ROOT/bin:$PYENV_ROOT/plugins/pyenv-virtualenv/shims
 COPY --from=python --chown=$USER:$USER $PYENV_ROOT $PYENV_ROOT
 
 # NodeJS

workers/analyzer/docker/scripts/setup_conan.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+#
+# Copyright (C) 2025 The ORT Project Authors (see <https://github.com/oss-review-toolkit/ort/blob/main/NOTICE>)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+# License-Filename: LICENSE
+#
+
+conan_option=${CONAN_MAJOR_VERSION:-2}
+
+# Since this script is installed with the name "conan", there is a risk of infinite recursion if pyenv is not available
+# on the PATH, which can occur when setting up a development environment. To prevent this, check for recursive calls.
+if [[ "$CONAN_RECURSIVE_CALL" -eq 1 ]]; then
+    echo "Recursive call detected. Exiting."
+    exit 1
+fi
+
+# Setup pyenv
+eval "$(pyenv init - --no-rehash bash)"
+eval "$(pyenv virtualenv-init -)"
+
+# Setting up Conan 1.x
+if [[ "$conan_option" -eq 1 ]]; then # Setting up Conan 1.x series
+    pyenv activate conan
+    # Docker has modern libc
+    CONAN_RECURSIVE_CALL=1 conan profile update settings.compiler.libcxx=libstdc++11 ort-default
+elif [[ "$conan_option" -eq 2 ]]; then # Setting up Conan 2.x series
+    pyenv activate conan2
+fi  
+
+# Runs conan from activated profile
+CONAN_RECURSIVE_CALL=1 conan "$@"
+