summaryrefslogtreecommitdiffstats
path: root/lib/container/rename
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@open-infrastructure.net>2016-06-16 19:14:22 +0000
committerDaniel Baumann <daniel.baumann@open-infrastructure.net>2016-07-01 09:22:09 +0000
commit25b1ab568a176274f9dfcc5fc8236b0c82869fba (patch)
treec6996eb069f9a11eafb1f9c263791d2f58aebcbf /lib/container/rename
parentHarmonizing defintions of long and short options in getopt code of container ... (diff)
downloadcompute-tools-25b1ab568a176274f9dfcc5fc8236b0c82869fba.tar.xz
compute-tools-25b1ab568a176274f9dfcc5fc8236b0c82869fba.zip
Adding container rename command.
Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>
Diffstat (limited to '')
-rwxr-xr-xlib/container/rename162
1 files changed, 162 insertions, 0 deletions
diff --git a/lib/container/rename b/lib/container/rename
new file mode 100755
index 0000000..2d27615
--- /dev/null
+++ b/lib/container/rename
@@ -0,0 +1,162 @@
+#!/bin/sh
+
+# container-tools - Manage systemd-nspawn containers
+# Copyright (C) 2014-2016 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+#
+# 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 <http://www.gnu.org/licenses/>.
+
+set -e
+
+COMMAND="$(basename ${0})"
+
+CONFIG="/etc/container-tools/config"
+MACHINES="/var/lib/machines"
+
+Parameters ()
+{
+ LONG_OPTIONS="force,new:,old:,"
+ OPTIONS="f,n:,o:,"
+
+ PARAMETERS="$(getopt --longoptions ${LONG_OPTIONS} --name=${COMMAND} --options ${OPTIONS} --shell sh -- ${@})"
+
+ if [ "${?}" != "0" ]
+ then
+ echo "'${COMMAND}': getopt exit" >&2
+ exit 1
+ fi
+
+ eval set -- "${PARAMETERS}"
+
+ while true
+ do
+ case "${1}" in
+ -f|--force)
+ FORCE="true"
+ shift 1
+ ;;
+
+ -n|--new)
+ NEW="${2}"
+ shift 2
+ ;;
+
+ -o|--old)
+ OLD="${2}"
+ shift 2
+ ;;
+
+ --)
+ shift 1
+ break
+ ;;
+
+ *)
+ echo "'${COMMAND}': getopt error" >&2
+ exit 1
+ ;;
+ esac
+ done
+}
+
+Usage ()
+{
+ echo "Usage: container ${COMMAND} [-f|--force] -n|--new NAME -o|--old NAME" >&2
+ exit 1
+}
+
+Parameters "${@}"
+
+if [ -z "${OLD}" ] || [ -z "${NEW}" ]
+then
+ Usage
+fi
+
+if [ ! -e "${MACHINES}/${OLD}" ]
+then
+ echo "'${OLD}': no such container" >&2
+ exit 1
+fi
+
+if [ ! -e "${MACHINES}/${NEW}" ]
+then
+ echo "'${NEW}': container already exists" >&2
+ exit 1
+fi
+
+STATE="$(machinectl show ${OLD} 2>&1 | awk -F= '/^State=/ { print $2 }')"
+
+case "${STATE}" in
+ running)
+ echo "'${OLD}': container is started" >&2
+ exit 1
+ ;;
+esac
+
+case "${FORCE}" in
+ true)
+ ;;
+
+ *)
+ if container list --other | grep -qs "^${OLD}$"
+ then
+ echo -n "'${OLD}': rename remote container to '${NEW}' [y|N]? "
+ read FORCE
+
+ FORCE="$(echo ${FORCE} | tr [A-Z] [a-z])"
+
+ case "${FORCE}" in
+ y|yes)
+ ;;
+
+ *)
+ exit 1
+ ;;
+ esac
+ fi
+ ;;
+esac
+
+# Run
+mv "${CONFIG}/${OLD}.conf" "${CONFIG}/${NEW}.conf"
+mv "${MACHINES}/${OLD}" "${MACHINES}/${NEW}"
+
+# Renaming bind mounts
+BIND="$(awk -F= '/^bind=/ { print $2 }' ${CONFIG}/${NAME}.conf)"
+
+if [ -n "${BIND}" ]
+then
+ BINDS="$(echo ${BIND} | sed -e 's|;| |g')"
+
+ for BIND in ${BINDS}
+ do
+ SOURCE_OLD="$(echo ${BIND} | awk -F: '{ print $1 }')"
+ SOURCE_NEW="$(echo ${SOURCE_OLD} | sed -e "s|${OLD}|${NEW}|g")"
+
+ if [ "${SOURCE_OLD}" != "${SOURCE_NEW}" ]
+ then
+ mv "${SOURCE_OLD}" "${SOURCE_NEW}"
+ fi
+
+ TARGET_OLD="$(echo ${BIND} | awk -F: '{ print $2 }')"
+ TARGET_NEW="$(echo ${TARGET_OLD} | sed -e "s|${OLD}|${NEW}|g")"
+
+ if [ "${TARGET_OLD}" != "${TARGET_NEW}" ]
+ then
+ mv "${MACHINES}/${NEW}/${TARGET_OLD}" "${MACHINES}/${NEW}/${TARGET_NEW}"
+ fi
+ done
+fi
+
+# Updating configuration file
+sed -i -e "s|${OLD}|${NEW}|g" "${CONFIG}/${NEW}.conf"