Attachment 146146 Details for Bug 223722 – Persist temporary state back to disk on shutdown/reboot

Persist temporary state back to disk on shutdown/reboot

persist-stateless (text/plain), 1.89 KB, created by Ville Skyttä on 2007-01-21 21:38:54 UTC

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Creator: Ville Skyttä

Created: 2007-01-21 21:38:54 UTC

Size: 1.89 KB

patch

obsolete

>#!/bin/sh
>#
># description: Persists temporary state back to its original location
># config:      /etc/rwtab
>
># Link this to /etc/rc.d/rc{0,6}.d/S00persist-stateless
>
>. /etc/init.d/functions
>
>case "$1" in
>    start)
>        ;;
>    *)
>        echo $"Usage: $0 {start}"
>        exit 2
>esac
>
># Keep this stuff in sync with /etc/rc.sysinit
>
>cmdline=$(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
>fi
>if strstr "$cmdline" noreadonlyroot ; then
>    READONLY=no
>fi
>
>if [ "$READONLY" = "yes" -o "$TEMPORARY_STATE" = "yes" ] ; then
>
>    persist_empty() {
>        if [ -e "$RW_MOUNT$1" ] ; then
>            umount -n "$1" && \
>            cd "$RW_MOUNT" && echo ".$1" | cpio -p -vd / &>/dev/null
>        fi
>    }
>
>    persist_dirs() {
>        if [ -e "$RW_MOUNT$1" ] ; then
>            umount -n "$1" || return
>            cd "$RW_MOUNT" && \
>            find "./$1" -type d -print0 | cpio -p -0vd / &>/dev/null
>        fi
>    }
>
>    persist_files() {
>        if [ -e "$RW_MOUNT$1" ] ; then
>            umount -n "$1" && cd "$RW_MOUNT" && cp -a --parents ".$1" /
>        fi
>    }
>
>    for file in /etc/rwtab /etc/rwtab.d/* ; do
>        is_ignored_file "$file" && continue
>        [ -f $file ] && cat $file | while read type path ; do
>            case "$type" in
>                empty)
>                    persist_empty $path
>                    ;;
>                files)
>                    persist_files $path
>                    ;;
>                dirs)
>                    if [ "$path" = "/var/log" ] ; then
>                        persist_files $path
>                    else
>                        persist_dirs $path
>                    fi
>                    ;;
>                *)
>                    ;;
>            esac
>        done
>    done
>fi

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Attachments on bug 223722: 146146 | 347205 | 347206 | 347207 | 347208