diff options
Diffstat (limited to 'src/extras/rule_generator/write_net_rules')
| -rw-r--r-- | src/extras/rule_generator/write_net_rules | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/src/extras/rule_generator/write_net_rules b/src/extras/rule_generator/write_net_rules index 437979241f..bcea4b09dc 100644 --- a/src/extras/rule_generator/write_net_rules +++ b/src/extras/rule_generator/write_net_rules @@ -33,9 +33,9 @@ # debug, if UDEV_LOG=<debug> if [ -n "$UDEV_LOG" ]; then - if [ "$UDEV_LOG" -ge 7 ]; then - set -x - fi + if [ "$UDEV_LOG" -ge 7 ]; then + set -x + fi fi RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules' @@ -43,42 +43,42 @@ RULES_FILE='/etc/udev/rules.d/70-persistent-net.rules' . /lib/udev/rule_generator.functions interface_name_taken() { - local value="$(find_all_rules 'NAME=' $INTERFACE)" - if [ "$value" ]; then - return 0 - else - return 1 - fi + local value="$(find_all_rules 'NAME=' $INTERFACE)" + if [ "$value" ]; then + return 0 + else + return 1 + fi } find_next_available() { - raw_find_next_available "$(find_all_rules 'NAME=' "$1")" + raw_find_next_available "$(find_all_rules 'NAME=' "$1")" } write_rule() { - local match="$1" - local name="$2" - local comment="$3" - - { - if [ "$PRINT_HEADER" ]; then - PRINT_HEADER= - echo "# This file was automatically generated by the $0" - echo "# program, run by the persistent-net-generator.rules rules file." - echo "#" - echo "# You can modify it, as long as you keep each rule on a single" - echo "# line, and change only the value of the NAME= key." - fi - - echo "" - [ "$comment" ] && echo "# $comment" - echo "SUBSYSTEM==\"net\", ACTION==\"add\"$match, NAME=\"$name\"" - } >> $RULES_FILE + local match="$1" + local name="$2" + local comment="$3" + + { + if [ "$PRINT_HEADER" ]; then + PRINT_HEADER= + echo "# This file was automatically generated by the $0" + echo "# program, run by the persistent-net-generator.rules rules file." + echo "#" + echo "# You can modify it, as long as you keep each rule on a single" + echo "# line, and change only the value of the NAME= key." + fi + + echo "" + [ "$comment" ] && echo "# $comment" + echo "SUBSYSTEM==\"net\", ACTION==\"add\"$match, NAME=\"$name\"" + } >> $RULES_FILE } if [ -z "$INTERFACE" ]; then - echo "missing \$INTERFACE" >&2 - exit 1 + echo "missing \$INTERFACE" >&2 + exit 1 fi # Prevent concurrent processes from modifying the file at the same time. @@ -89,49 +89,49 @@ choose_rules_file # the DRIVERS key is needed to not match bridges and VLAN sub-interfaces if [ "$MATCHADDR" ]; then - match="$match, DRIVERS==\"?*\", ATTR{address}==\"$MATCHADDR\"" + match="$match, DRIVERS==\"?*\", ATTR{address}==\"$MATCHADDR\"" fi if [ "$MATCHDRV" ]; then - match="$match, DRIVERS==\"$MATCHDRV\"" + match="$match, DRIVERS==\"$MATCHDRV\"" fi if [ "$MATCHDEVID" ]; then - match="$match, ATTR{dev_id}==\"$MATCHDEVID\"" + match="$match, ATTR{dev_id}==\"$MATCHDEVID\"" fi if [ "$MATCHID" ]; then - match="$match, KERNELS==\"$MATCHID\"" + match="$match, KERNELS==\"$MATCHID\"" fi if [ "$MATCHIFTYPE" ]; then - match="$match, ATTR{type}==\"$MATCHIFTYPE\"" + match="$match, ATTR{type}==\"$MATCHIFTYPE\"" fi if [ -z "$match" ]; then - echo "missing valid match" >&2 - unlock_rules_file - exit 1 + echo "missing valid match" >&2 + unlock_rules_file + exit 1 fi basename=${INTERFACE%%[0-9]*} match="$match, KERNEL==\"$basename*\"" if [ "$INTERFACE_NAME" ]; then - # external tools may request a custom name - COMMENT="$COMMENT (custom name provided by external tool)" - if [ "$INTERFACE_NAME" != "$INTERFACE" ]; then - INTERFACE=$INTERFACE_NAME; - echo "INTERFACE_NEW=$INTERFACE" - fi + # external tools may request a custom name + COMMENT="$COMMENT (custom name provided by external tool)" + if [ "$INTERFACE_NAME" != "$INTERFACE" ]; then + INTERFACE=$INTERFACE_NAME; + echo "INTERFACE_NEW=$INTERFACE" + fi else - # if a rule using the current name already exists, find a new name - if interface_name_taken; then - INTERFACE="$basename$(find_next_available "$basename[0-9]*")" - # prevent INTERFACE from being "eth" instead of "eth0" - [ "$INTERFACE" = "${INTERFACE%%[ \[\]0-9]*}" ] && INTERFACE=${INTERFACE}0 - echo "INTERFACE_NEW=$INTERFACE" - fi + # if a rule using the current name already exists, find a new name + if interface_name_taken; then + INTERFACE="$basename$(find_next_available "$basename[0-9]*")" + # prevent INTERFACE from being "eth" instead of "eth0" + [ "$INTERFACE" = "${INTERFACE%%[ \[\]0-9]*}" ] && INTERFACE=${INTERFACE}0 + echo "INTERFACE_NEW=$INTERFACE" + fi fi write_rule "$match" "$INTERFACE" "$COMMENT" |