156 lines
4.1 KiB
Smarty
156 lines
4.1 KiB
Smarty
#!/bin/bash
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{{/*
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# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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*/}}
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set -e
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cat <<'EOF' > {{ .Values.conf.chroot_mnt_path | quote }}/tmp/mounts_host.sh
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{{ include "divingbell.shcommon" . }}
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old_mounts_path='/var/divingbell/mounts'
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persist_path='/etc/systemd/system'
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if [ ! -d "${old_mounts_path}" ]; then
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mkdir -p "${old_mounts_path}"
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fi
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write_test "${old_mounts_path}"
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write_test "${persist_path}"
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add_mounts_param(){
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die_if_null "${device}" ", 'device' env var not initialized"
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die_if_null "${mnt_tgt}" ", 'mnt_tgt' env var not initialized"
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die_if_null "${type}" ", 'type' env var not initialized"
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: ${options:=None}
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: ${before:=docker.service}
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: ${after=network-online.target}
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# Create mount target
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if [ ! -d "${mnt_tgt}" ]; then
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mkdir -p "${mnt_tgt}"
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fi
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# Call systemd-escapae to get systemd required filename for the mount
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local systemd_name
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systemd_name="$(systemd-escape -p --suffix=mount "${mnt_tgt}")"
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# Prepare systemd entry
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local mnt_opts_systemd=''
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if [ ! "${options}" = 'None' ]; then
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mnt_opts_systemd="Options=${options}"
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fi
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file_content="[Unit]
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Conflicts=umount.target
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Before=${before}
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After=${after}
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[Mount]
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What=${device}
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Where=${mnt_tgt}
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Type=${type}
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${mnt_opts_systemd}
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[Install]
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WantedBy=local-fs.target"
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local mountfile_path="${persist_path}/${systemd_name}"
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local restart_mount=''
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local mnt_updates=''
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if [ ! -f "${mountfile_path}" ] ||
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[ "$(cat ${mountfile_path})" != "${file_content}" ]
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then
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echo "${file_content}" > "${mountfile_path}"
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restart_mount=true
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mnt_updates=true
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systemctl daemon-reload
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fi
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systemctl is-active "${systemd_name}" > /dev/null || restart_mount=true
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# Perform the mount
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if [ -n "${restart_mount}" ]; then
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systemctl restart "${systemd_name}" || die "Mount failed: ${systemd_name}"
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fi
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# Mark the mount for auto-start on boot
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systemctl is-enabled "${systemd_name}" > /dev/null ||
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systemctl enable "${systemd_name}" ||
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die "Mount persisting failed: ${systemd_name}"
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# Store orchestrated mount info in the event the mount is
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# later reverted (removed) from the configmap
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if [ -n "${mnt_updates}" ]; then
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cp "${mountfile_path}" "${old_mounts_path}"
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fi
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log.INFO "Mount successfully verified: ${mnt_tgt}"
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curr_mounts="${curr_mounts}${systemd_name}"$'\n'
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}
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{{- range .Values.conf.mounts }}
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{{- range $key, $value := . }}
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{{ $key }}={{ $value | squote }} \
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{{- end }}
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add_mounts_param
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{{- end }}
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# TODO: We should purge all old mounts first (umount them) before applying
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# new mounts
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# Revert any previously applied mounts which are now absent
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prev_files="$(find "${old_mounts_path}" -type f)"
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if [ -n "${prev_files}" ]; then
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basename -a ${prev_files} | sort > /tmp/prev_mounts
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echo "${curr_mounts}" | sort > /tmp/curr_mounts
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revert_list="$(comm -23 /tmp/prev_mounts /tmp/curr_mounts)"
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IFS=$'\n'
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for prev_mount in ${revert_list}; do
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if [ -f "${persist_path}/${prev_mount}" ]; then
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systemctl stop "${prev_mount}"
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systemctl disable "${prev_mount}"
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rm "${persist_path}/${prev_mount}"
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fi
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rm "${old_mounts_path}/${prev_mount}"
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log.INFO "Reverted mount: ${prev_mount}"
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done
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fi
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if [ -n "${curr_mounts}" ]; then
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log.INFO 'All mounts successfully validated on this node.'
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else
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log.WARN 'No mounts defined for this node.'
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fi
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exit 0
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EOF
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chmod 755 {{ .Values.conf.chroot_mnt_path | quote }}/tmp/mounts_host.sh
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chroot {{ .Values.conf.chroot_mnt_path | quote }} /tmp/mounts_host.sh
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sleep 1
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echo 'INFO Putting the daemon to sleep.'
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while [ 1 ]; do
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sleep 300
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done
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exit 0
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