Move conda installation from deprecated DEBs to Miniconda installer

src/conda/NOTES.md

@@ -15,6 +15,6 @@ conda install python=3.7
 
 ## OS Support
 
-This Feature should work on recent versions of Debian/Ubuntu-based distributions with the `apt` package manager installed.
+This Feature should work on recent versions of Debian/Ubuntu-based distributions with the `apt` package manager installed. Both `x86_64` and `aarch64` architectures are supported.
 
 `bash` is required to execute the `install.sh` script.

src/conda/README.md

@@ -7,7 +7,7 @@ A cross-platform, language-agnostic binary package manager
 
 ```json
 "features": {
-    "ghcr.io/devcontainers/features/conda:1": {}
+    "ghcr.io/devcontainers/features/conda:2": {}
 }
 ```
 

src/conda/devcontainer-feature.json

@@ -1,6 +1,6 @@
 {
   "id": "conda",
-  "version": "1.2.6",
+  "version": "2.0.0",
   "name": "Conda",
   "description": "A cross-platform, language-agnostic binary package manager",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/conda",
@@ -9,8 +9,8 @@
       "type": "string",
       "proposals": [
         "latest",
-        "4.11.0",
-        "4.12.0"
+        "24.11.3",
+        "24.7.1"
       ],
       "default": "latest",
       "description": "Select or enter a conda version."

src/conda/install.sh

@@ -45,10 +45,14 @@ elif [ "${USERNAME}" = "none" ] || ! id -u ${USERNAME} > /dev/null 2>&1; then
 fi
 
 architecture="$(uname -m)"
-if [ "${architecture}" != "x86_64" ]; then
-    echo "(!) Architecture $architecture unsupported"
-    exit 1
-fi
+case "${architecture}" in
+    x86_64) MINICONDA_ARCH="x86_64" ;;
+    aarch64|arm64) MINICONDA_ARCH="aarch64" ;;
+    *)
+        echo "(!) Architecture $architecture unsupported"
+        exit 1
+    ;;
+esac
 
 # Checks if packages are installed and installs them if not
 check_packages() {
@@ -75,6 +79,17 @@ install_user_package() {
     sudo_if "${CONDA_DIR}/bin/python3" -m pip install --user --upgrade "$PACKAGE"
 }
 
+accept_anaconda_tos_if_needed() {
+    if ! "${CONDA_DIR}/bin/conda" tos --help > /dev/null 2>&1; then
+        return 0
+    fi
+
+    for channel in "https://repo.anaconda.com/pkgs/main" "https://repo.anaconda.com/pkgs/r"; do
+        echo "Accepting Conda Terms of Service for ${channel}..."
+        "${CONDA_DIR}/bin/conda" tos accept --override-channels --channel "${channel}"
+    done
+}
+
 # Install Conda if it's missing
 if ! conda --version &> /dev/null ; then
     if ! cat /etc/group | grep -e "^conda:" > /dev/null 2>&1; then
@@ -85,78 +100,36 @@ if ! conda --version &> /dev/null ; then
     # Install dependencies
     check_packages curl ca-certificates
 
-    echo "Installing Conda..."
+    echo "Installing Conda via Miniconda installer..."
 
-    # Download .deb package directly from repository (bypassing SHA1 signature issue)
-    TEMP_DEB="$(mktemp -t conda_XXXXXX.deb)"
-    CONDA_REPO_BASE="https://repo.anaconda.com/pkgs/misc/debrepo/conda"
-
-    # Determine package filename based on requested version
-    ARCH="$(dpkg --print-architecture 2>/dev/null || echo "amd64")"
-    PACKAGES_URL="https://repo.anaconda.com/pkgs/misc/debrepo/conda/dists/stable/main/binary-${ARCH}/Packages"
-
-    if [ "${VERSION}" = "latest" ]; then
-        # For latest, we need to query the repository to find the current version
-        echo "Fetching package list to determine latest version..."
-        CONDA_PKG_INFO=$(curl -fsSL "${PACKAGES_URL}" | grep -A 30 "^Package: conda$" | head -n 31)
-        CONDA_VERSION=$(echo "${CONDA_PKG_INFO}" | grep "^Version:" | head -n 1 | awk '{print $2}')
-        CONDA_FILENAME=$(echo "${CONDA_PKG_INFO}" | grep "^Filename:" | head -n 1 | awk '{print $2}')
-
-        if [ -z "${CONDA_VERSION}" ] || [ -z "${CONDA_FILENAME}" ]; then
-            echo "ERROR: Could not determine latest conda version or filename from ${PACKAGES_URL}"
-            echo "This may indicate an unsupported architecture or repository unavailability."
-            rm -f "${TEMP_DEB}"
-            exit 1
-        fi
-
-        CONDA_PKG_NAME="${CONDA_FILENAME}"
-    else
-        # For specific versions, query the Packages file to find the exact filename
-        echo "Fetching package list to find version ${VERSION}..."
-        # Search for version pattern - user may specify 4.12.0 but package has 4.12.0-0
-        CONDA_PKG_INFO=$(curl -fsSL "${PACKAGES_URL}" | grep -A 30 "^Package: conda$" | grep -B 5 -A 25 "^Version: ${VERSION}")
-        CONDA_FILENAME=$(echo "${CONDA_PKG_INFO}" | grep "^Filename:" | head -n 1 | awk '{print $2}')
-
-        if [ -z "${CONDA_FILENAME}" ]; then
-            echo "ERROR: Could not find conda version ${VERSION} in ${PACKAGES_URL}"
-            echo "Please verify the version specified is valid."
-            rm -f "${TEMP_DEB}"
-            exit 1
-        fi
-
-        CONDA_PKG_NAME="${CONDA_FILENAME}"
-    fi
-
-    # Download the .deb package
-    CONDA_DEB_URL="${CONDA_REPO_BASE}/${CONDA_PKG_NAME}"
-    echo "Downloading conda package from ${CONDA_DEB_URL}..."
-
-    if ! curl -fsSL "${CONDA_DEB_URL}" -o "${TEMP_DEB}"; then
-        echo "ERROR: Failed to download conda .deb package from ${CONDA_DEB_URL}"
-        echo "Please verify the version specified is valid."
-        rm -f "${TEMP_DEB}"
-        exit 1
-    fi
-
-    # Verify the package was downloaded successfully
-    if [ ! -f "${TEMP_DEB}" ] || [ ! -s "${TEMP_DEB}" ]; then
-        echo "ERROR: Conda .deb package file is missing or empty"
-        rm -f "${TEMP_DEB}"
+    # Download and run the official Miniconda installer
+    MINICONDA_INSTALLER="$(mktemp -t miniconda_XXXXXX.sh)"
+    MINICONDA_URL="https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-${MINICONDA_ARCH}.sh"
+
+    echo "Downloading Miniconda installer from ${MINICONDA_URL}..."
+    if ! curl -fsSL --connect-timeout 10 --max-time 120 "${MINICONDA_URL}" -o "${MINICONDA_INSTALLER}"; then
+        echo "ERROR: Failed to download Miniconda installer from ${MINICONDA_URL}"
+        rm -f "${MINICONDA_INSTALLER}"
         exit 1
     fi
-
-    # Install the package using apt (which handles dependencies automatically)
-    echo "Installing conda package..."
-    if ! apt-get install -y "${TEMP_DEB}"; then
-        echo "ERROR: Failed to install conda package"
-        rm -f "${TEMP_DEB}"
-        exit 1
+
+    # Run installer in batch mode (no prompts) and install to CONDA_DIR
+    bash "${MINICONDA_INSTALLER}" -b -p "${CONDA_DIR}"
+    rm -f "${MINICONDA_INSTALLER}"
+
+    # Conda defaults channels now require a non-interactive ToS acknowledgement.
+    accept_anaconda_tos_if_needed
+
+    # Install specific conda version if requested (latest Miniconda already bundles a recent conda)
+    if [ "${VERSION}" != "latest" ]; then
+        echo "Installing conda version ${VERSION}..."
+        if ! "${CONDA_DIR}/bin/conda" install -y "conda=${VERSION}"; then
+            echo "ERROR: Failed to install conda version ${VERSION}. Please verify the version is valid and available."
+            exit 1
+        fi
     fi
-
-    # Clean up downloaded package
-    rm -f "${TEMP_DEB}"
 
-    CONDA_SCRIPT="/opt/conda/etc/profile.d/conda.sh"
+    CONDA_SCRIPT="${CONDA_DIR}/etc/profile.d/conda.sh"
     . $CONDA_SCRIPT
 
     if [ "${ADD_CONDA_FORGE}" = "true" ]; then

test/conda/conda_channel_creation.sh

@@ -7,8 +7,8 @@ source dev-container-features-test-lib
 
 ## Test Conda
 check "conda-update-conda" bash -c "conda update -c defaults -y conda"
-check "conda-install-tensorflow" bash -c "conda create --name test-env -c conda-forge --yes tensorflow"
-check "conda-install-pytorch" bash -c "conda create --name test-env -c conda-forge --yes pytorch"
+check "conda-install-tensorflow" bash -c "conda create --name tensorflow-test-env -c conda-forge --yes tensorflow"
+check "conda-install-pytorch" bash -c "conda create --name pytorch-test-env -c conda-forge --yes pytorch"
 
 # Report result
 reportResults

test/conda/install_conda.sh

@@ -5,7 +5,9 @@ set -e
 # Optional: Import test library
 source dev-container-features-test-lib
 
-check "conda" conda --version | grep 4.12.0
+check "conda" conda --version
+check "conda update" conda update -n base -c defaults -y conda
+check "conda updated version" conda --version
 check "conda-forge" conda config --show channels | grep conda-forge
 check "if conda-notice.txt exists" cat /usr/local/etc/vscode-dev-containers/conda-notice.txt
 

test/conda/install_conda_package_after_upgrade.sh

@@ -9,8 +9,11 @@ source dev-container-features-test-lib
 # This validates the fix for the pluggy/conda version mismatch issue where
 # conda self-upgrades but the older pluggy lacks the 'wrapper' attribute
 check "conda version" conda --version
+check "conda update" conda update -n base -c defaults -y conda
+check "conda updated version" conda --version
 check "install pyopenssl" conda install -y -c defaults pyopenssl
 check "install cryptography" conda install -y -c defaults cryptography
+check "install scipy with bioconda" conda install -y -c bioconda scipy
 check "conda-forge" conda config --show channels | grep conda-forge
 check "if conda-notice.txt exists" cat /usr/local/etc/vscode-dev-containers/conda-notice.txt
 

test/conda/scenarios.json

@@ -3,7 +3,7 @@
         "image": "ubuntu:noble",
         "features": {
             "conda": {
-                "version": "4.12.0",
+                "version": "latest",
                 "addCondaForge": "true"
             }
         }