MEN-4097: Install Mender Shell addon

Changelog: Support installing mender-shell addon. Not installed by
default, it can be configured using MENDER_ADDON_SHELL_INSTALL and
MENDER_ADDON_SHELL_VERSION variables.

Changelog: Set mender-shell version to master

Changelog: Create demo configuration for Mender Shell addon in
bootstrap-rootfs-overlay-demo-server.sh script

Signed-off-by: Lluis Campos <lluis.campos@northern.tech>

configs/mender_convert_config

@@ -115,6 +115,16 @@ MENDER_PARTITION_ALIGNMENT="8388608"
 # Valid values are "latest" (default), "master" or a specific version
 MENDER_CLIENT_VERSION="latest"
 
+# Install Mender Shell addon
+#
+MENDER_ADDON_SHELL_INSTALL="n"
+
+# Mender Shell addon version
+#
+# Valid values are "latest" (default), "master" or a specific version
+# MENDER_ADDON_SHELL_VERSION="latest"
+MENDER_ADDON_SHELL_VERSION="master"
+
 # File storage, containing binary files, do not modify this unless you know
 # what you are doing.
 MENDER_STORAGE_URL="https://downloads.mender.io"

mender-convert-modify

@@ -123,6 +123,31 @@ if [ "${MENDER_ENABLE_SYSTEMD}" == "y" ]; then
         work/rootfs/etc/systemd/system/multi-user.target.wants/mender-client.service"
 fi
 
+if [ "${MENDER_ADDON_SHELL_INSTALL}" = "y" ]; then
+
+  mkdir -p work/mender-shell-deb/files
+  log_info "Installing Mender Shell addon"
+
+  if [ "${MENDER_ADDON_SHELL_VERSION}" = "latest" ]; then
+    deb_name=$(deb_from_repo_get "work/mender-shell-deb" ${MENDER_APT_REPO_URL} ${deb_arch} "stable" "mender-shell" "latest")
+  elif [ "${MENDER_ADDON_SHELL_VERSION}" = "master" ]; then
+    deb_name=$(deb_from_repo_get "work/mender-shell-deb" ${MENDER_APT_REPO_URL} ${deb_arch} "experimental" "mender-shell" "latest")
+  else
+    DEBIAN_REVISION="-1"
+    deb_name=$(deb_from_repo_get "work/mender-shell-deb" ${MENDER_APT_REPO_URL} ${deb_arch} "experimental" "mender-shell" "${MENDER_ADDON_SHELL_VERSION}${DEBIAN_REVISION}")
+  fi
+
+  cd work/mender-shell-deb
+  run_and_log_cmd "ar -xv ${deb_name}"
+  run_and_log_cmd "sudo tar xJf data.tar.xz -C files"
+  cd - > /dev/null 2>&1
+
+  run_and_log_cmd "sudo rsync --archive --keep-dirlinks --verbose work/mender-shell-deb/files/ work/rootfs/"
+
+  run_and_log_cmd "sudo ln -sf /lib/systemd/system/mender-shell.service \
+        work/rootfs/etc/systemd/system/multi-user.target.wants/mender-shell.service"
+fi
+
 if [ "${MENDER_GRUB_EFI_INTEGRATION}" == "y" ]; then
   # Check for known U-Boot problems in all files on the boot partition.
   check_for_broken_uboot_uefi_support work/boot

scripts/bootstrap-rootfs-overlay-demo-server.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Copyright 2019 Northern.tech AS
+# Copyright 2020 Northern.tech AS
 #
 #  Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
@@ -37,7 +37,7 @@ while (( "$#" )); do
       ;;
     *)
       echo "Sorry but the provided option is not supported: $1"
-      echo "Usage:  $(basename $0) --output-dir ./rootfs_overlay_demo --server-ip <your server IP address>"
+      echo "Usage:  $(basename $0) --output-dir <rootfs overlay dir> --server-ip <your server IP address>"
       exit 1
       ;;
   esac
@@ -66,6 +66,16 @@ EOF
 
 chmod 600 ${output_dir}/etc/mender/mender.conf
 
+cat <<- EOF > ${output_dir}/etc/mender/mender-shell.conf
+{
+  "ServerURL": "https://docker.mender.io",
+  "ShellCommand": "/bin/sh",
+  "User": "root"
+}
+EOF
+
+chmod 600 ${output_dir}/etc/mender/mender-shell.conf
+
 cat <<- EOF > ${output_dir}/etc/hosts
 127.0.0.1	localhost