feat(ansible): Add a sidecar with Ansible tooling installed inside

related to eclipse-che/che#11877

Change-Id: Ifc1af877a797fd1b0043ed3574a5adac0e204e1d
Signed-off-by: Florent Benoit <fbenoit@redhat.com>

sidecars/ansible/Dockerfile

@@ -0,0 +1,26 @@
+# Copyright (c) 2021 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+
+FROM quay.io/ansible/toolset:3.4.0
+
+ENV HOME=/home/theia
+
+RUN apt-get update && apt-get -y install ansible-lint && apt-get clean && apt-get -y autoremove && rm -rf /var/lib/apt/lists/* && \
+    mkdir /projects ${HOME} && \
+    # Change permissions to let any arbitrary user
+    for f in "${HOME}" "/etc/passwd" "/projects"; do \
+      echo "Changing permissions on ${f}" && chgrp -R 0 ${f} && \
+      chmod -R g+rwX ${f}; \
+    done
+
+ADD etc/entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT [ "/entrypoint.sh" ]
+CMD ${PLUGIN_REMOTE_ENDPOINT_EXECUTABLE}

sidecars/ansible/PLATFORMS

@@ -0,0 +1 @@
+linux/amd64

sidecars/ansible/etc/entrypoint.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+#
+# Copyright (c) 2021 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+#
+
+set -e
+set -x
+
+USER_ID=$(id -u)
+export USER_ID
+GROUP_ID=$(id -g)
+export GROUP_ID
+
+if ! whoami >/dev/null 2>&1; then
+    echo "${USER_NAME:-user}:x:${USER_ID}:0:${USER_NAME:-user} user:${HOME}:/bin/sh" >> /etc/passwd
+fi
+
+# Grant access to projects volume in case of non root user with sudo rights
+if [ "${USER_ID}" -ne 0 ] && command -v sudo >/dev/null 2>&1 && sudo -n true > /dev/null 2>&1; then
+    sudo chown "${USER_ID}:${GROUP_ID}" /projects
+fi
+
+exec "$@"