Add kubedock in UDI

devspaces-udi/Dockerfile

@@ -30,9 +30,23 @@ RUN \
     # build gopls application with dependencies resolved by Cachito (which are also resolved for 'tools' dependency)
     source $REMOTE_SOURCES_DIR/gopls/cachito.env && \
     GO111MODULE=on go build -o gopls && \
-    ./gopls version
+    ./gopls version && \
     # END Gopls
 
+    # BEGIN Kubedock
+    mkdir /home/user/go/bin -p && \
+    cd $REMOTE_SOURCES_DIR/kubedock/app && \
+    # build kubedock application with dependencies resolved by Cachito
+    source $REMOTE_SOURCES_DIR/kubedock/cachito.env && \
+    LDFLAGS="-X github.com/joyrex2001/kubedock/internal/config.Date=`date -u +%Y%m%d-%H%M%S`  \
+     -X github.com/joyrex2001/kubedock/internal/config.Build=9d21955b52e4905d916d24e724dcad195aef3515   \
+     -X github.com/joyrex2001/kubedock/internal/config.Version=0.11.0  \
+     -X github.com/joyrex2001/kubedock/internal/config.Image=joyrex2001/kubedock:0.11.0" && \
+    CGO_ENABLED=0 go build -ldflags "${LDFLAGS}" -o kubedock && \
+    chmod +x ./kubedock && \
+    ./kubedock version
+    # END Kubedock
+
     # CRW-3193 disable until we have a camel-k sample again
     # BEGIN Kamel
     # cd $REMOTE_SOURCES_DIR/camelk/app && \
@@ -93,6 +107,7 @@ ADD etc/storage.conf $HOME/.config/containers/storage.conf
 ADD etc/entrypoint.sh /entrypoint.sh
 COPY $REMOTE_SOURCES $REMOTE_SOURCES_DIR
 COPY etc/docker.sh /usr/local/bin/docker
+COPY etc/podman-wrapper.sh /usr/bin/
 
 # NOTE: uncomment for local build. Must also set full registry path in FROM to registry.redhat.io or registry.access.redhat.com
 # enable rhel 8 content sets (from Brew) to resolve buildah
@@ -174,6 +189,9 @@ RUN \
     # TODO switch this to fuse in OCP 4.12?
     mkdir -p "${HOME}"/.config/containers && \
     (echo '[storage]';echo 'driver = "vfs"') > "${HOME}"/.config/containers/storage.conf && \
+    ## Rootless podman install #6: rename podman to allow the execution of 'podman run' using
+    ##                             kubedock but 'podman build' using podman.orig
+    mv /usr/bin/podman /usr/bin/podman.orig && \
     # set up go/bin folder
     mkdir /home/user/go/bin -p
 
@@ -310,6 +328,8 @@ xdebug.log=\${HOME}/xdebug.log" >> /etc/php.ini && \
 
 # see container.yaml
 COPY --from=go-builder $REMOTE_SOURCES_DIR/gopls/app/gopls/gopls $HOME/go/bin/gopls
+COPY --from=go-builder $REMOTE_SOURCES_DIR/kubedock/app/kubedock $HOME/go/bin/kubedock
+
 
     ########################################################################
     # Cleanup and Summaries

devspaces-udi/container.yaml

@@ -56,3 +56,11 @@ remote_sources:
 #     pkg_managers:
 #       - gomod
 #     packages: {"gomod": [ "path": "." ]}
+
+# https://github.com/joyrex2001/kubedock/releases/tag/0.11.0 => https://github.com/joyrex2001/kubedock/commit/9d21955b52e4905d916d24e724dcad195aef3515
+- name: kubedock
+  remote_source:
+    repo: https://github.com/joyrex2001/kubedock
+    ref: 9d21955b52e4905d916d24e724dcad195aef3515
+    pkg_managers:
+      - gomod

devspaces-udi/etc/entrypoint.sh

@@ -46,7 +46,7 @@ fi
 # Setup $PS1 for a consistent and reasonable prompt
 #############################################################################
 if [ -w "${HOME}" ] && [ ! -f "${HOME}"/.bashrc ]; then
-  echo "PS1='[\u@\h \W]\$ '" > "${HOME}"/.bashrc
+  echo "PS1='[\u@\h \W]\$ '" >> "${HOME}"/.bashrc
 fi
 
 #############################################################################
@@ -70,4 +70,50 @@ if [[ ! -z "${PLUGIN_REMOTE_ENDPOINT_EXECUTABLE}" ]]; then
   ${PLUGIN_REMOTE_ENDPOINT_EXECUTABLE}
 fi
 
+#############################################################################
+# If KUBEDOCK_ENABLED="true" then link podman to /usr/bin/podman-wrapper.sh
+# else link podman to /usr/bin/podman.orig
+#############################################################################
+if [[ "${KUBEDOCK_ENABLED:-false}" == "true" ]]; then
+    echo
+    echo "Kubedock is enabled (env variable KUBEDOCK_ENABLED is set to true)."
+
+    SECONDS=0
+    until [ -f /home/user/.kube/config ]; do
+        if (( SECONDS > 10 )); then
+            echo "Giving up..."
+            exit 1
+        fi
+        echo "Kubeconfig doesn't exist yet. Waiting..."
+        sleep 1
+    done
+    echo "Kubeconfig found."
+
+    KUBEDOCK_PARAMS=${KUBEDOCK_PARAMS:-"--reverse-proxy"}
+
+    echo "Starting kubedock with params \"${KUBEDOCK_PARAMS}\"..."
+
+    kubedock server "${KUBEDOCK_PARAMS}" > /tmp/kubedock.log 2>&1 &
+
+    echo "Done."
+
+    echo "Replacing podman with podman-wrapper.sh..."
+
+    mkdir -p /home/user/.local/bin/
+    ln -f -s /usr/bin/podman-wrapper.sh /home/user/.local/bin/podman
+
+    export TESTCONTAINERS_RYUK_DISABLED="true"
+    export TESTCONTAINERS_CHECKS_DISABLE="true"
+
+    echo "Done."
+    echo
+else
+    echo
+    echo "Kubedock is disabled. It can be enabled with the env variable \"KUBEDOCK_ENABLED=true\""
+    echo "set in the workspace Devfile or in a Kubernetes ConfigMap in the developer namespace."
+    echo
+    mkdir -p /home/user/.local/bin/
+    ln -f -s /usr/bin/podman.orig /home/user/.local/bin/podman
+fi
+
 exec "$@"

devspaces-udi/etc/podman-wrapper.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -euo pipefail
+
+ORIGINAL_PODMAN_PATH=${ORIGINAL_PODMAN_PATH:-"/usr/bin/podman.orig"}
+KUBEDOCK_SUPPORTED_COMMANDS=${KUBEDOCK_SUPPORTED_COMMANDS:-"run ps exec cp logs inspect kill rm wait stop start"}
+
+PODMAN_ARGS=( "$@" )
+
+TRUE=0
+FALSE=1
+
+exec_original_podman() {
+    exec ${ORIGINAL_PODMAN_PATH} "${PODMAN_ARGS[@]}"
+}
+
+exec_kubedock_podman() {
+    exec env CONTAINER_HOST=tcp://127.0.0.1:2475 "${ORIGINAL_PODMAN_PATH}" "${PODMAN_ARGS[@]}"
+}
+
+podman_command() {
+    echo "${PODMAN_ARGS[0]}"
+}
+
+command_is_supported_by_kubedock() {
+    CMD=$(podman_command)
+    for SUPPORTED_CMD in $KUBEDOCK_SUPPORTED_COMMANDS; do
+        if [ "$SUPPORTED_CMD" = "$CMD" ]; then
+            return $TRUE
+        fi
+    done
+    return ${FALSE}
+}
+
+if command_is_supported_by_kubedock; then
+  exec_kubedock_podman
+else
+  exec_original_podman
+fi