diff options
Diffstat (limited to 'usr/lib/systemd/fedora-readonly')
| -rwxr-xr-x | usr/lib/systemd/fedora-readonly | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/usr/lib/systemd/fedora-readonly b/usr/lib/systemd/fedora-readonly deleted file mode 100755 index a3679580..00000000 --- a/usr/lib/systemd/fedora-readonly +++ /dev/null @@ -1,204 +0,0 @@ -#!/bin/bash -# -# Set up readonly-root support. -# - -. /etc/init.d/functions - -# We need to initialize the $HOSTNAME variable by ourselves now: -# (It was previously done for RHEL-6 branch, but got lost in time.) -HOSTNAME="$(hostname)" - -# Check SELinux status -SELINUX_STATE= -if [ -e "/sys/fs/selinux/enforce" ] && [ "$(cat /proc/self/attr/current | tr -d '\000' )" != "kernel" ]; then - if [ -r "/sys/fs/selinux/enforce" ] ; then - SELINUX_STATE=$(cat "/sys/fs/selinux/enforce") - else - # assume enforcing if you can't read it - SELINUX_STATE=1 - fi -fi - -selinux_fixup() { - if [ -n "$SELINUX_STATE" ] && [ -e "$1" ]; then - restorecon -R "$1" - fi -} - -# Only read this once. -[ -z "${cmdline}" ] && cmdline=$(cat /proc/cmdline) - -READONLY= -if [ -f /etc/sysconfig/readonly-root ]; then - . /etc/sysconfig/readonly-root -fi -if strstr "$cmdline" readonlyroot ; then - READONLY=yes - [ -z "$RW_MOUNT" ] && RW_MOUNT=/var/lib/stateless/writable - [ -z "$STATE_MOUNT" ] && STATE_MOUNT=/var/lib/stateless/state -fi -if strstr "$cmdline" noreadonlyroot ; then - READONLY=no -fi - -MOUNTS=() -if [ "$READONLY" = "yes" -o "$TEMPORARY_STATE" = "yes" ]; then - - add_mount() { - mnt=${1%/} - MOUNTS=("${MOUNTS[@]}" "$mnt") - } - - cp_empty() { - if [ -e "$1" ]; then - echo "$1" | cpio -p -vd "$RW_MOUNT" &>/dev/null - add_mount $1 - fi - } - - cp_dirs() { - if [ -e "$1" ]; then - mkdir -p "$RW_MOUNT$1" - find "$1" -type d -print0 | cpio -p -0vd "$RW_MOUNT" &>/dev/null - add_mount $1 - fi - } - - cp_files() { - if [ -e "$1" ]; then - cp -a --parents "$1" "$RW_MOUNT" - add_mount $1 - fi - } - - # Common mount options for scratch space regardless of - # type of backing store - mountopts= - - # Scan partitions for local scratch storage - rw_mount_dev=$(blkid -t LABEL="$RW_LABEL" -l -o device) - - bindmountopts= - [ "$SLAVE_MOUNTS" = "yes" ] && bindmountopts="--make-slave" - - # First try to mount scratch storage from /etc/fstab, then any - # partition with the proper label. If either succeeds, be sure - # to wipe the scratch storage clean. If both fail, then mount - # scratch storage via tmpfs. - if mount $mountopts "$RW_MOUNT" > /dev/null 2>&1 ; then - rm -rf "$RW_MOUNT" > /dev/null 2>&1 - elif [ x$rw_mount_dev != x ] && mount $rw_mount_dev $mountopts "$RW_MOUNT" > /dev/null 2>&1; then - rm -rf "$RW_MOUNT" > /dev/null 2>&1 - else - mount -n -t tmpfs $RW_OPTIONS $mountopts none "$RW_MOUNT" - fi - - for file in /etc/rwtab /etc/rwtab.d/* /run/initramfs/rwtab ; do - is_ignored_file "$file" && continue - [ -f $file ] && while read type path ; do - case "$type" in - empty) - cp_empty $path - ;; - files) - cp_files $path - ;; - dirs) - cp_dirs $path - ;; - *) - ;; - esac - done < <(cat $file) - done - - for m in "${MOUNTS[@]}"; do - prefix=0 - for mount_point in "${MOUNTS[@]}"; do - [[ $m = $mount_point ]] && continue - if [[ $m =~ ^$mount_point/.* ]] ; then - prefix=1 - break - fi - done - [[ $prefix -eq 1 ]] && continue - - mount -n --bind $bindmountopts "$RW_MOUNT$m" "$m" - selinux_fixup "$m" - done - - # Use any state passed by initramfs - [ -d /run/initramfs/state ] && cp -a /run/initramfs/state/* $RW_MOUNT - - # In theory there should be no more than one network interface active - # this early in the boot process -- the one we're booting from. - # Use the network address to set the hostname of the client. This - # must be done even if we have local storage. - ipaddr= - if [ "$HOSTNAME" = "localhost" -o "$HOSTNAME" = "localhost.localdomain" ]; then - ipaddr=$(ip addr show to 0.0.0.0/0 scope global | awk '/[[:space:]]inet / { print gensub("/.*","","g",$2) }') - for ip in $ipaddr ; do - HOSTNAME= - eval $(ipcalc -h $ipaddr 2>/dev/null) - [ -n "$HOSTNAME" ] && { hostname ${HOSTNAME} ; break; } - done - fi - - # Clients with read-only root filesystems may be provided with a - # place where they can place minimal amounts of persistent - # state. SSH keys or puppet certificates for example. - # - # Ideally we'll use puppet to manage the state directory and to - # create the bind mounts. However, until that's all ready this - # is sufficient to build a working system. - - # First try to mount persistent data from /etc/fstab, then any - # partition with the proper label, then fallback to NFS - state_mount_dev=$(blkid -t LABEL="$STATE_LABEL" -l -o device) - if mount $mountopts $STATE_OPTIONS "$STATE_MOUNT" > /dev/null 2>&1 ; then - /bin/true - elif [ x$state_mount_dev != x ] && mount $state_mount_dev $mountopts "$STATE_MOUNT" > /dev/null 2>&1; then - /bin/true - elif [ ! -z "$CLIENTSTATE" ]; then - # No local storage was found. Make a final attempt to find - # state on an NFS server. - - mount -t nfs $CLIENTSTATE/$HOSTNAME $STATE_MOUNT -o rw,nolock - fi - - if [ -w "$STATE_MOUNT" ]; then - - mount_state() { - if [ -e "$1" ]; then - [ ! -e "$STATE_MOUNT$1" ] && cp -a --parents "$1" "$STATE_MOUNT" - mount -n --bind $bindmountopts "$STATE_MOUNT$1" "$1" - fi - } - - for file in /etc/statetab /etc/statetab.d/* ; do - is_ignored_file "$file" && continue - [ ! -f "$file" ] && continue - - if [ -f "$STATE_MOUNT/$file" ] ; then - mount -n --bind $bindmountopts "$STATE_MOUNT/$file" "$file" - fi - - for path in $(grep -v "^#" "$file" 2>/dev/null); do - mount_state "$path" - selinux_fixup "$path" - done - done - - if [ -f "$STATE_MOUNT/files" ] ; then - for path in $(grep -v "^#" "$STATE_MOUNT/files" 2>/dev/null); do - mount_state "$path" - selinux_fixup "$path" - done - fi - fi - - if mount | grep -q /var/lib/nfs/rpc_pipefs ; then - mount -t rpc_pipefs sunrpc /var/lib/nfs/rpc_pipefs - fi -fi |