Adding container rebuild command.

Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>

6 files changed, 266 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 7442ab2..9cf2b1a 100644
--- a/Makefile
+++ b/Makefile
@@ -133,6 +133,7 @@ install: build
 	ln -sf list $(DESTDIR)/usr/libexec/$(PROGRAM)/ls
 	ln -sf move $(DESTDIR)/usr/libexec/$(PROGRAM)/mv
 	ln -sf remove $(DESTDIR)/usr/libexec/$(PROGRAM)/rm
+	ln -sf rebuild $(DESTDIR)/usr/libexec/$(PROGRAM)/rb
 	ln -sf restart $(DESTDIR)/usr/libexec/$(PROGRAM)/rs
 	ln -sf start $(DESTDIR)/usr/libexec/$(PROGRAM)/s
 	ln -sf status $(DESTDIR)/usr/libexec/$(PROGRAM)/st
diff --git a/bin/container b/bin/container
index 68e3965..9bbb80d 100755
--- a/bin/container
+++ b/bin/container
@@ -68,7 +68,7 @@ do
 		OPTIONS="$(echo "${OPTIONS}" | sed -e 's|--no-notification||')"
 	else
 		case "${COMMAND}" in
-			build|b|get|g|move|mv|remove|rm|restart|rt|start|s|stop|t|update|u)
+			build|b|get|g|move|mv|remove|rm|rebuild|rb|restart|rt|start|s|stop|t|update|u)
 				if [ -z "${CONTAINER_USER}" ]
 				then
 					CONTAINER_USER="${SUDO_USER:-${USER}}"
diff --git a/libexec/container/rebuild b/libexec/container/rebuild
new file mode 100755
index 0000000..0ac54a6
--- /dev/null
+++ b/libexec/container/rebuild
@@ -0,0 +1,152 @@
+#!/bin/sh
+
+# Copyright (C) 2014-2021 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+#
+# SPDX-License-Identifier: GPL-3.0+
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+set -e
+
+PROJECT="open-infrastructure"
+SOFTWARE="compute-tools"
+PROGRAM="container"
+COMMAND="$(basename ${0})"
+
+HOOKS="/etc/${SOFTWARE}/hooks"
+MACHINES="/var/lib/machines"
+
+Parameters ()
+{
+	OPTIONS_ALL=""
+
+	GETOPT_LONGOPTIONS="name:,force,verbose,"
+	GETOPT_OPTIONS="n:,f,v,"
+
+	PARAMETERS="$(getopt --longoptions ${GETOPT_LONGOPTIONS} --name=${COMMAND} --options ${GETOPT_OPTIONS} --shell sh -- ${@})"
+
+	if [ "${?}" != "0" ]
+	then
+		echo "'${COMMAND}': getopt exit" >&2
+		exit 1
+	fi
+
+	eval set -- "${PARAMETERS}"
+
+	while true
+	do
+		case "${1}" in
+			-n|--name)
+				NAME="${2}"
+				shift 2
+				;;
+
+			-f|--force)
+				FORCE="true"
+				shift 1
+
+				OPTIONS_ALL="${OPTIONS_ALL} --force"
+				;;
+
+			-v|--verbose)
+				VERBOSE="true"
+				shift 1
+
+				OPTIONS_ALL="${OPTIONS_ALL} --verbose"
+				;;
+
+			--)
+				shift 1
+				break
+				;;
+
+			*)
+				echo "'${COMMAND}': getopt error" >&2
+				exit 1
+				;;
+		esac
+	done
+}
+
+Usage ()
+{
+	echo "Usage: ${PROGRAM} ${COMMAND} -n|--name NAME [-f|--force] [-v|--verbose]" >&2
+	echo
+	echo "See ${COMMAND}(1), ${PROGRAM}(1) and ${PROJECT}(7) for more information."
+
+	exit 1
+}
+
+Parameters "${@}"
+
+if [ -z "${NAME}" ]
+then
+	Usage
+fi
+
+case "${NAME}" in
+	ALL)
+		NAMES="$(${PROGRAM} list --format shell --started)"
+
+		for NAME in ${NAMES}
+		do
+			${PROGRAM} rebuild,start --name ${NAME} ${OPTIONS_ALL} || true
+		done
+
+		exit 0
+		;;
+esac
+
+if [ ! -e "${MACHINES}/${NAME}" ]
+then
+	echo "'${NAME}': no such container" >&2
+	exit 1
+fi
+
+# Pre hooks
+for FILE in "${HOOKS}/pre-${COMMAND}".* "${HOOKS}/${NAME}.pre-${COMMAND}"
+do
+	if [ -x "${FILE}" ]
+	then
+		"${FILE}"
+	fi
+done
+
+# Run
+case "${VERBOSE}" in
+	true)
+		echo -n "Rebuilding container ${NAME}..."
+		;;
+esac
+
+${PROGRAM} stop ${OPTIONS_ALL} --name ${NAME} || true
+sleep 0.5
+${PROGRAM} remove ${OPTIONS_ALL} --name ${NAME} || true
+sleep 0.5
+${PROGRAM} build --name ${NAME} || true
+
+case "${VERBOSE}" in
+	true)
+		echo " done."
+		;;
+esac
+
+# Post hooks
+for FILE in "${HOOKS}/post-${COMMAND}".* "${HOOKS}/${NAME}.post-${COMMAND}"
+do
+	if [ -x "${FILE}" ]
+	then
+		"${FILE}"
+	fi
+done
diff --git a/share/bash-completion/container b/share/bash-completion/container
index 24205d7..1637b5e 100644
--- a/share/bash-completion/container
+++ b/share/bash-completion/container
@@ -264,6 +264,22 @@ _container()
 			esac
 			;;
 
+		rebuild|rb)
+			case "${prev}" in
+				-n|--name)
+					opts="$(container list -f shell)"
+					COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+					return 0
+					;;
+
+				*)
+					opts="-n --name -f --force -v --verbose"
+					COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+					return 0
+					;;
+			esac
+			;;
+
 		restart|rt)
 			case "${prev}" in
 				-n|--name)
diff --git a/share/man/container-rebuild.1.rst b/share/man/container-rebuild.1.rst
new file mode 100644
index 0000000..0bd63d8
--- /dev/null
+++ b/share/man/container-rebuild.1.rst
@@ -0,0 +1,93 @@
+.. Open Infrastructure: compute-tools
+
+.. Copyright (C) 2014-2021 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+..
+.. SPDX-License-Identifier: GPL-3.0+
+..
+.. This program is free software: you can redistribute it and/or modify
+.. it under the terms of the GNU General Public License as published by
+.. the Free Software Foundation, either version 3 of the License, or
+.. (at your option) any later version.
+..
+.. This program is distributed in the hope that it will be useful,
+.. but WITHOUT ANY WARRANTY; without even the implied warranty of
+.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+.. GNU General Public License for more details.
+..
+.. You should have received a copy of the GNU General Public License
+.. along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+=================
+container-rebuild
+=================
+
+-------------------
+Restart a container
+-------------------
+
+:manual section: 1
+:manual group: Open Infrastructure
+
+Synopsis
+========
+
+| **container rebuild** ['OPTIONS']
+| **cnt rb** ['OPTIONS']
+
+Description
+===========
+
+The **container rebuild** command rebuilds a container by stopping, building, starting an existing container.
+
+Options
+=======
+
+The following **container rebuild** options are available:
+
+-n, --name='NAME':
+  Specify container name. Specifying 'ALL' will rebuild all started container.
+
+-f, --force:
+  Do not fail if container is running.
+
+-v, --verbose:
+  Explain what is being done.
+
+Examples
+========
+
+Rebuild example.net container:
+
+  sudo container rebuild -n example.net
+
+Restart all container:
+
+  sudo container rebuild -n ALL
+
+See also
+========
+
+| compute-tools(7),
+| container(1).
+
+Homepage
+========
+
+More information about compute-tools and the Open Infrastructure project can be
+found on the homepage (https://open-infrastructure.net).
+
+Contact
+=======
+
+Bug reports, feature requests, help, patches, support and everything else are
+welcome on the Open Infrastructure Software Mailing List
+<software@lists.open-infrastructure.net>.
+
+Debian specific bugs can also be reported in the Debian Bug Tracking System
+(https://bugs.debian.org).
+
+Authors
+=======
+
+compute-tools were written by Daniel Baumann
+<daniel.baumann@open-infrastructure.net> and others.
diff --git a/share/man/container.1.rst b/share/man/container.1.rst
index 3fff87b..5e43963 100644
--- a/share/man/container.1.rst
+++ b/share/man/container.1.rst
@@ -59,6 +59,9 @@ build:
 start:
   Start a container, see container-start(1).
 
+rebuild:
+  Rebuild a container, see container-rebuild(1).
+
 restart:
   Restart a container, see container-restart(1).