141 lines
4.4 KiB
Bash
141 lines
4.4 KiB
Bash
#!/bin/sh
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# vim: set noet ts=8:
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# postinst script for ceph-common
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#
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# see: dh_installdeb(1)
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set -e
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# summary of how this script can be called:
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#
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# postinst configure <most-recently-configured-version>
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# old-postinst abort-upgrade <new-version>
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# conflictor's-postinst abort-remove in-favour <package> <new-version>
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# postinst abort-remove
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# deconfigured's-postinst abort-deconfigure in-favour <failed-install-package> <version> [<removing conflicting-package> <version>]
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#
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# for details, see http://www.debian.org/doc/debian-policy/ or
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# the debian-policy package
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# Let the admin override these distro-specified defaults. This is NOT
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# recommended!
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[ -f "/etc/default/ceph" ] && . /etc/default/ceph
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[ -z "$SERVER_HOME" ] && SERVER_HOME=/var/lib/ceph
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[ -z "$SERVER_USER" ] && SERVER_USER=ceph
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[ -z "$SERVER_NAME" ] && SERVER_NAME="Ceph storage service"
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[ -z "$SERVER_GROUP" ] && SERVER_GROUP=ceph
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[ -z "$SERVER_UID" ] && SERVER_UID=64045 # alloc by Debian base-passwd maintainer
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[ -z "$SERVER_GID" ] && SERVER_GID=$SERVER_UID
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# Groups that the user will be added to, if undefined, then none.
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[ -z "$SERVER_ADDGROUP" ] && SERVER_ADDGROUP=
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# Custom dpkg-maintscript-helper type function to deal with
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# nested /etc/default/ceph/ceph
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finish_mv_ceph_defaults() {
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rm -rf "/etc/default/ceph.dpkg-backup/ceph.dpkg-remove"
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[ -e "/etc/default/ceph.dpkg-backup/ceph" ] || return 0
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echo "Preserving user changes to /etc/default/ceph (renamed from /etc/default/ceph/ceph)..."
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if [ -f "/etc/default/ceph" ]; then
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mv -f "/etc/default/ceph" "/etc/default/ceph.dpkg-new"
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fi
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mv -f "/etc/default/ceph.dpkg-backup/ceph" "/etc/default/ceph"
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}
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case "$1" in
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configure)
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# create user to avoid running server as root
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# 1. create group if not existing
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if ! getent group | grep -q "^$SERVER_GROUP:" ; then
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echo -n "Adding group $SERVER_GROUP.."
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addgroup --quiet --system --gid $SERVER_GID \
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$SERVER_GROUP 2>/dev/null ||true
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echo "..done"
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fi
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# 2. create user if not existing
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if ! getent passwd | grep -q "^$SERVER_USER:"; then
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echo -n "Adding system user $SERVER_USER.."
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adduser --quiet \
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--system \
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--no-create-home \
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--disabled-password \
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--uid $SERVER_UID \
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--gid $SERVER_GID \
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--home $SERVER_HOME \
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$SERVER_USER 2>/dev/null || true
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echo "..done"
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fi
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# 3. adjust passwd entry
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echo -n "Setting system user $SERVER_USER properties.."
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usermod -c "$SERVER_NAME" \
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-d $SERVER_HOME \
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-g $SERVER_GROUP \
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$SERVER_USER
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# Unlock $SERVER_USER in case it is locked from an uninstall
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if [ -f /etc/shadow ]; then
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usermod -U -e '' $SERVER_USER
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else
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usermod -U $SERVER_USER
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fi
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echo "..done"
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# 5. adjust file and directory permissions
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if ! dpkg-statoverride --list $SERVER_HOME >/dev/null
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then
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chown $SERVER_USER:$SERVER_GROUP $SERVER_HOME
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chmod u=rwx,g=rx,o= $SERVER_HOME
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fi
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if ! dpkg-statoverride --list /var/log/ceph >/dev/null
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then
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chown -R $SERVER_USER:$SERVER_GROUP /var/log/ceph
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# members of group ceph can log here, but cannot remove
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# others' files. non-members cannot read any logs.
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chmod u=rwx,g=rwxs,o=t /var/log/ceph
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fi
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# 6. fix /var/run/ceph
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if [ -d /var/run/ceph ]; then
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echo -n "Fixing /var/run/ceph ownership.."
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chown $SERVER_USER:$SERVER_GROUP /var/run/ceph
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echo "..done"
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fi
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# create /run/ceph. fail softly if systemd isn't present or
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# something.
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[ -x /bin/systemd-tmpfiles ] && systemd-tmpfiles --create || true
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# Complete renames of /etc/default/ceph
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if [ -n "$2" ] &&
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dpkg --compare-versions -- "$2" le-nl 10.2.1-0ubuntu1; then
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finish_mv_ceph_defaults
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# Preserve dpkg-backup directory if it still contains
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# any file
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if ! ls -1qA "/etc/default/ceph.dpkg-backup" | grep -q . ; then
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rm -rf "/etc/default/ceph.dpkg-backup"
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fi
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fi
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;;
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abort-upgrade|abort-remove|abort-deconfigure)
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:
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;;
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*)
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echo "postinst called with unknown argument \`$1'" >&2
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exit 1
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;;
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esac
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# dh_installdeb will replace this with shell code automatically
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# generated by other debhelper scripts.
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#DEBHELPER#
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exit 0
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