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author | Patrick Williams <patrick@stwcx.xyz> | 2016-08-17 14:31:25 -0500 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2016-08-22 16:43:26 +0000 |
commit | 60f9d69e016b11c468c98ea75ba0a60c44afbbc4 (patch) | |
tree | ecb49581a9e41a37943c22cd9ef3f63451b20ee7 /import-layers/yocto-poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh | |
parent | e18c61205e0234b03697129c20cc69c9b3940efc (diff) | |
download | blackbird-openbmc-60f9d69e016b11c468c98ea75ba0a60c44afbbc4.tar.gz blackbird-openbmc-60f9d69e016b11c468c98ea75ba0a60c44afbbc4.zip |
yocto-poky: Move to import-layers subdir
We are going to import additional layers, so create a subdir to
hold all of the layers that we import with git-subtree.
Change-Id: I6f732153a22be8ca663035c518837e3cc5ec0799
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh')
-rwxr-xr-x | import-layers/yocto-poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh b/import-layers/yocto-poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh new file mode 100755 index 000000000..ce4622a5e --- /dev/null +++ b/import-layers/yocto-poky/meta/recipes-core/initscripts/initscripts-1.0/populate-volatile.sh @@ -0,0 +1,232 @@ +#!/bin/sh +### BEGIN INIT INFO +# Provides: volatile +# Required-Start: $local_fs +# Required-Stop: $local_fs +# Default-Start: S +# Default-Stop: +# Short-Description: Populate the volatile filesystem +### END INIT INFO + +# Get ROOT_DIR +DIRNAME=`dirname $0` +ROOT_DIR=`echo $DIRNAME | sed -ne 's:/etc/.*::p'` + +[ -e ${ROOT_DIR}/etc/default/rcS ] && . ${ROOT_DIR}/etc/default/rcS +# When running populate-volatile.sh at rootfs time, disable cache. +[ -n "$ROOT_DIR" ] && VOLATILE_ENABLE_CACHE=no +# If rootfs is read-only, disable cache. +[ "$ROOTFS_READ_ONLY" = "yes" ] && VOLATILE_ENABLE_CACHE=no + +CFGDIR="${ROOT_DIR}/etc/default/volatiles" +TMPROOT="${ROOT_DIR}/var/volatile/tmp" +COREDEF="00_core" + +[ "${VERBOSE}" != "no" ] && echo "Populating volatile Filesystems." + +create_file() { + EXEC=" + touch \"$1\"; + chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1; + chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 " + + test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build + + [ -e "$1" ] && { + [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping." + } || { + if [ -z "$ROOT_DIR" ]; then + eval $EXEC & + else + # Creating some files at rootfs time may fail and should fail, + # but these failures should not be logged to make sure the do_rootfs + # process doesn't fail. This does no harm, as this script will + # run on target to set up the correct files and directories. + eval $EXEC > /dev/null 2>&1 + fi + } +} + +mk_dir() { + EXEC=" + mkdir -p \"$1\"; + chown ${TUSER}.${TGROUP} $1 || echo \"Failed to set owner -${TUSER}- for -$1-.\" >/dev/tty0 2>&1; + chmod ${TMODE} $1 || echo \"Failed to set mode -${TMODE}- for -$1-.\" >/dev/tty0 2>&1 " + + test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build + [ -e "$1" ] && { + [ "${VERBOSE}" != "no" ] && echo "Target already exists. Skipping." + } || { + if [ -z "$ROOT_DIR" ]; then + eval $EXEC + else + # For the same reason with create_file(), failures should + # not be logged. + eval $EXEC > /dev/null 2>&1 + fi + } +} + +link_file() { + EXEC=" + if [ -L \"$2\" ]; then + [ \"\$(readlink -f \"$2\")\" != \"\$(readlink -f \"$1\")\" ] && { rm -f \"$2\"; ln -sf \"$1\" \"$2\"; }; + elif [ -d \"$2\" ]; then + if awk '\$2 == \"$2\" {exit 1}' /proc/mounts; then + cp -a $2/* $1 2>/dev/null; + cp -a $2/.[!.]* $1 2>/dev/null; + rm -rf \"$2\"; + ln -sf \"$1\" \"$2\"; + fi + else + ln -sf \"$1\" \"$2\"; + fi + " + + test "$VOLATILE_ENABLE_CACHE" = yes && echo " $EXEC" >> /etc/volatile.cache.build + + if [ -z "$ROOT_DIR" ]; then + eval $EXEC & + else + # For the same reason with create_file(), failures should + # not be logged. + eval $EXEC > /dev/null 2>&1 + fi +} + +check_requirements() { + cleanup() { + rm "${TMP_INTERMED}" + rm "${TMP_DEFINED}" + rm "${TMP_COMBINED}" + } + + CFGFILE="$1" + [ `basename "${CFGFILE}"` = "${COREDEF}" ] && return 0 + + TMP_INTERMED="${TMPROOT}/tmp.$$" + TMP_DEFINED="${TMPROOT}/tmpdefined.$$" + TMP_COMBINED="${TMPROOT}/tmpcombined.$$" + + sed 's@\(^:\)*:.*@\1@' ${ROOT_DIR}/etc/passwd | sort | uniq > "${TMP_DEFINED}" + cat ${CFGFILE} | grep -v "^#" | cut -s -d " " -f 2 > "${TMP_INTERMED}" + cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}" + NR_DEFINED_USERS="`cat "${TMP_DEFINED}" | wc -l`" + NR_COMBINED_USERS="`cat "${TMP_COMBINED}" | wc -l`" + + [ "${NR_DEFINED_USERS}" -ne "${NR_COMBINED_USERS}" ] && { + echo "Undefined users:" + diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>" + cleanup + return 1 + } + + + sed 's@\(^:\)*:.*@\1@' ${ROOT_DIR}/etc/group | sort | uniq > "${TMP_DEFINED}" + cat ${CFGFILE} | grep -v "^#" | cut -s -d " " -f 3 > "${TMP_INTERMED}" + cat "${TMP_DEFINED}" "${TMP_INTERMED}" | sort | uniq > "${TMP_COMBINED}" + + NR_DEFINED_GROUPS="`cat "${TMP_DEFINED}" | wc -l`" + NR_COMBINED_GROUPS="`cat "${TMP_COMBINED}" | wc -l`" + + [ "${NR_DEFINED_GROUPS}" -ne "${NR_COMBINED_GROUPS}" ] && { + echo "Undefined groups:" + diff "${TMP_DEFINED}" "${TMP_COMBINED}" | grep "^>" + cleanup + return 1 + } + + # Add checks for required directories here + + cleanup + return 0 +} + +apply_cfgfile() { + CFGFILE="$1" + + check_requirements "${CFGFILE}" || { + echo "Skipping ${CFGFILE}" + return 1 + } + + cat ${CFGFILE} | grep -v "^#" | \ + while read LINE; do + eval `echo "$LINE" | sed -n "s/\(.*\)\ \(.*\) \(.*\)\ \(.*\)\ \(.*\)\ \(.*\)/TTYPE=\1 ; TUSER=\2; TGROUP=\3; TMODE=\4; TNAME=\5 TLTARGET=\6/p"` + TNAME=${ROOT_DIR}${TNAME} + [ "${VERBOSE}" != "no" ] && echo "Checking for -${TNAME}-." + + [ "${TTYPE}" = "l" ] && { + TSOURCE="$TLTARGET" + [ "${VERBOSE}" != "no" ] && echo "Creating link -${TNAME}- pointing to -${TSOURCE}-." + link_file "${TSOURCE}" "${TNAME}" + continue + } + + [ "${TTYPE}" = "b" ] && { + TSOURCE="$TLTARGET" + [ "${VERBOSE}" != "no" ] && echo "Creating mount-bind -${TNAME}- from -${TSOURCE}-." + mount --bind "${TSOURCE}" "${TNAME}" + EXEC=" + mount --bind \"${TSOURCE}\" \"${TNAME}\"" + test "$VOLATILE_ENABLE_CACHE" = yes && echo "$EXEC" >> /etc/volatile.cache.build + continue + } + + [ -L "${TNAME}" ] && { + [ "${VERBOSE}" != "no" ] && echo "Found link." + NEWNAME=`ls -l "${TNAME}" | sed -e 's/^.*-> \(.*\)$/\1/'` + echo ${NEWNAME} | grep -v "^/" >/dev/null && { + TNAME="`echo ${TNAME} | sed -e 's@\(.*\)/.*@\1@'`/${NEWNAME}" + [ "${VERBOSE}" != "no" ] && echo "Converted relative linktarget to absolute path -${TNAME}-." + } || { + TNAME="${NEWNAME}" + [ "${VERBOSE}" != "no" ] && echo "Using absolute link target -${TNAME}-." + } + } + + case "${TTYPE}" in + "f") [ "${VERBOSE}" != "no" ] && echo "Creating file -${TNAME}-." + create_file "${TNAME}" & + ;; + "d") [ "${VERBOSE}" != "no" ] && echo "Creating directory -${TNAME}-." + mk_dir "${TNAME}" + # Add check to see if there's an entry in fstab to mount. + ;; + *) [ "${VERBOSE}" != "no" ] && echo "Invalid type -${TTYPE}-." + continue + ;; + esac + done + return 0 +} + +clearcache=0 +exec 9</proc/cmdline +while read line <&9 +do + case "$line" in + *clearcache*) clearcache=1 + ;; + *) continue + ;; + esac +done +exec 9>&- + +if test -e ${ROOT_DIR}/etc/volatile.cache -a "$VOLATILE_ENABLE_CACHE" = "yes" -a "x$1" != "xupdate" -a "x$clearcache" = "x0" +then + sh ${ROOT_DIR}/etc/volatile.cache +else + rm -f ${ROOT_DIR}/etc/volatile.cache ${ROOT_DIR}/etc/volatile.cache.build + for file in `ls -1 "${CFGDIR}" | sort`; do + apply_cfgfile "${CFGDIR}/${file}" + done + + [ -e ${ROOT_DIR}/etc/volatile.cache.build ] && sync && mv ${ROOT_DIR}/etc/volatile.cache.build ${ROOT_DIR}/etc/volatile.cache +fi + +if [ -z "${ROOT_DIR}" ] && [ -f /etc/ld.so.cache ] && [ ! -f /var/run/ld.so.cache ] +then + ln -s /etc/ld.so.cache /var/run/ld.so.cache +fi |