core/system/base/eudev/files/70-yali.rules

# If $YALI isn't set in the environment, skip all these rules.
#ENV{YALI}!="?*", GOTO="yali_end"

ACTION!="add|change", GOTO="yali_end"
SUBSYSTEM!="block", GOTO="yali_end"

# for device-mapper device we are supposed to only operate on "change" events
KERNEL=="dm-*", ACTION=="add", GOTO="yali_end"

KERNEL=="dm-*", ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}=="1", GOTO="yali_end"
KERNEL=="dm-*", ENV{DM_NAME}!="?*", GOTO="yali_end"
KERNEL=="dm-*", ENV{DM_SUSPENDED}=="1", GOTO="yali_end"
KERNEL=="dm-*", ENV{DM_SUSPENDED}=="Suspended", GOTO="yali_end"

IMPORT{program}="/sbin/blkid -o udev -p $tempnode"

LABEL="yali_mdraid"
KERNEL!="md*", GOTO="yali_mdraid_member"

# container devices have a metadata version of e.g. 'external:ddf' and
# never leave state 'inactive'
ATTR{md/metadata_version}=="external:[A-Za-z]*", ATTR{md/array_state}=="inactive", GOTO="md_ignore_state"
TEST!="md/array_state", GOTO="yali_mdraid_member"
ATTR{md/array_state}=="|clear|inactive", GOTO="yali_mdraid_member"
LABEL="md_ignore_state"

IMPORT{program}="/sbin/mdadm --detail --export $tempnode"
ENV{DEVTYPE}=="disk", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}", OPTIONS+="string_escape=replace"
ENV{DEVTYPE}=="disk", ENV{MD_UUID}=="?*", SYMLINK+="disk/by-id/md-uuid-$env{MD_UUID}"
ENV{DEVTYPE}=="disk", ENV{MD_DEVNAME}=="?*", SYMLINK+="md/$env{MD_DEVNAME}"
ENV{DEVTYPE}=="partition", ENV{MD_NAME}=="?*", SYMLINK+="disk/by-id/md-name-$env{MD_NAME}-part%n", OPTIONS+="string_escape=replace"
ENV{DEVTYPE}=="partition", ENV{MD_UUID}=="?*", SYMLINK+="disk/by-id/md-uuid-$env{MD_UUID}-part%n"
ENV{DEVTYPE}=="partition", ENV{MD_DEVNAME}=="*[^0-9]", SYMLINK+="md/$env{MD_DEVNAME}%n"
ENV{DEVTYPE}=="partition", ENV{MD_DEVNAME}=="*[0-9]", SYMLINK+="md/$env{MD_DEVNAME}p%n"

OPTIONS+="link_priority=100"
OPTIONS+="watch"
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"

LABEL="yali_mdraid_member"
# probe raid metadata of mdraid member devices
ENV{ID_FS_TYPE}=="linux_raid_member", IMPORT{program}="/sbin/mdadm --examine --export $tempnode"
ENV{ID_FS_TYPE}=="isw_raid_member", IMPORT{program}="/sbin/mdadm --examine --export $tempnode"

# probe metadata of LVM2 physical volumes
ENV{ID_FS_TYPE}=="LVM2_member", IMPORT{program}="/usr/sbin/lvm pvs --ignorelockingfailure --units k --nosuffix --nameprefixes --rows --unquoted --noheadings -opv_name,pv_uuid,pv_size,vg_name,vg_uuid,pv_pe_count,pv_pe_alloc_count,pe_start $tempnode"
ENV{LVM2_VG_NAME}!="?*", GOTO="yali_end"
ENV{ID_FS_TYPE}=="LVM2_member", IMPORT{program}="/usr/sbin/lvm vgs --ignorelockingfailure --units k --nosuffix --nameprefixes --rows --unquoted --noheadings -ouuid,size,free,extent_size,extent_count,free_count,pv_count $env{LVM2_VG_NAME}"
ENV{ID_FS_TYPE}=="LVM2_member", IMPORT{program}="/usr/sbin/lvm lvs -a --ignorelockingfailure --units k --nosuffix --nameprefixes --rows --unquoted --noheadings -olv_name,lv_uuid,lv_size,lv_attr $env{LVM2_VG_NAME}"

LABEL="yali_end"