+++ /dev/null
-#!/bin/bash
-
-################################################################################
-# Copyright (c) 2016 Wind River Systems, Inc.
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-################################################################################
-
-#
-# Purpose of this script is to copy the puppet-built
-# network config file from the puppet dir to the /etc/network/interfaces
-# Only copied when difference detected
-#
-# Please note: function is_eq_ifcfg() is used to determine if
-# cfg files are different
-#
-
-ACQUIRE_LOCK=1
-RELEASE_LOCK=0
-
-if [ ! -f /var/run/interfaces.puppet ] ; then
- # No puppet file? Nothing to do!
- exit 1
-fi
-
-function log_it {
- logger "${0} ${1}"
-}
-
-function do_if_up {
- local iface=$1
- log_it "Bringing $iface up"
- /sbin/ifup $iface
-}
-
-function do_if_down {
- local iface=$1
- log_it "Bringing $iface down"
- /sbin/ifdown $iface
-}
-
-function do_rm {
- local theFile=$1
- log_it "Removing $theFile"
- /bin/rm $theFile
-}
-
-function do_cp {
- local srcFile=$1
- local dstFile=$2
- log_it "copying network cfg $srcFile to $dstFile"
- cp $srcFile $dstFile
-}
-
-function do_mv {
- local srcFile=$1
- local dstFile=$2
- log_it "Moving network cfg $srcFile to $dstFile"
- mv $srcFile $dstFile
-}
-
-# Return items in list1 that are not in list2
-array_diff () {
- list1=${!1}
- list2=${!2}
-
- result=()
- l2=" ${list2[*]} "
- for item in ${list1[@]}; do
- if [[ ! $l2 =~ " $item " ]] ; then
- result+=($item)
- fi
- done
-
- echo ${result[@]}
-}
-
-function normalized_cfg_attr_value {
- local cfg=$1
- local attr_name=$2
- local attr_value
- attr_value=$(cat $cfg | grep $attr_name= | awk -F "=" {'print $2'})
-
-
- #
- # Special case BONDING_OPTS attribute.
- #
- # The BONDING_OPTS attribute contains '=' characters, so is not correctly
- # parsed by splitting on '=' as done above. This results in changes to
- # BONDING_OPTS not causing the interface to be restarted, so the old
- # BONDING_OPTS still be used. Because this is only checking for changes,
- # rather than actually using the returned value, we can return the whole
- # line.
- #
- if [[ "${attr_name}" == "BONDING_OPTS" ]]; then
- echo "$(cat $cfg | grep $attr_name=)"
- return $(true)
- fi
-
- if [[ "${attr_name}" != "BOOTPROTO" ]]; then
- echo "${attr_value}"
- return $(true)
- fi
- #
- # Special case BOOTPROTO attribute.
- #
- # The BOOTPROTO attribute is not populated consistently by various aspects
- # of the system. Different values are used to indicate a manually
- # configured interfaces (i.e., one that does not expect to have an IP
- # address) and so to avoid reconfiguring an interface that has different
- # values with the same meaning we normalize them here before making any
- # decisions.
- #
- # From a user perspective the values "manual", "none", and "" all have the
- # same meaning - an interface without an IP address while "dhcp" and
- # "static" are distinct values with a separate meaning. In practice
- # however, the only value that matters from a ifup/ifdown script point of
- # view is "dhcp". All other values are ignored.
- #
- # In our system we set BOOTPROTO to "static" to indicate that IP address
- # attributes exist and to "manual"/"none" to indicate that no IP address
- # attributes exist. These are not needed by ifup/ifdown as it looks for
- # the "IPADDR" attribute whenever BOOTPROTO is set to anything other than
- # "dhcp".
- #
- if [[ "${attr_value}" == "none" ]]; then
- attr_value="none"
- fi
- if [[ "${attr_value}" == "manual" ]]; then
- attr_value="none"
- fi
- if [[ "${attr_value}" == "" ]]; then
- attr_value="none"
- fi
- echo "${attr_value}"
- return $(true)
-}
-
-#
-# returns $(true) if cfg file ( $1 ) has property propName ( $2 ) with a value of propValue ( $3 )
-#
-function cfg_has_property_with_value {
- local cfg=$1
- local propname=$2
- local propvalue=$3
- if [ -f $cfg ]; then
- if [[ "$(normalized_cfg_attr_value $cfg $propname)" == "${propvalue}" ]]; then
- return $(true)
- fi
- fi
- return $(false)
-}
-
-#
-# returns $(true) if cfg file is configured as a slave
-#
-function is_slave {
- cfg_has_property_with_value $1 "SLAVE" "yes"
- return $?
-}
-
-#
-# returns $(true) if cfg file is configured for DHCP
-#
-function is_dhcp {
- cfg_has_property_with_value $1 "BOOTPROTO" "dhcp"
-}
-
-#
-# returns $(true) if cfg file is configured as a VLAN interface
-#
-function is_vlan {
- cfg_has_property_with_value $1 "VLAN" "yes"
- return $?
-}
-
-#
-# returns $(true) if cfg file is configured as an ethernet interface. For the
-# purposes of this script "ethernet" is considered as any interface that is not
-# a vlan or a slave. This includes both regular ethernet interfaces and bonded
-# interfaces.
-#
-function is_ethernet {
- if ! is_vlan $1; then
- if ! is_slave $1; then
- return $(true)
- fi
- fi
- return $(false)
-}
-
-#
-# returns $(true) if cfg file represents an interface of the specified type.
-#
-function iftype_filter {
- local iftype=$1
-
- return $(is_$iftype $2)
-}
-
-#
-# returns $(true) if ifcfg files have the same number of VFs
-#
-#
-function is_eq_sriov_numvfs {
- local cfg_1=$1
- local cfg_2=$2
- local sriov_numvfs_1
- sriov_numvfs_1=$(grep -o 'echo *[1-9].*sriov_numvfs' $cfg_1 | awk {'print $2'})
- local sriov_numvfs_2
- sriov_numvfs_2=$(grep -o 'echo *[1-9].*sriov_numvfs' $cfg_2 | awk {'print $2'})
-
- sriov_numvfs_1=${sriov_numvfs_1:-0}
- sriov_numvfs_2=${sriov_numvfs_2:-0}
-
- if [[ "${sriov_numvfs_1}" != "${sriov_numvfs_2}" ]]; then
- log_it "$cfg_1 and $cfg_2 differ on attribute sriov_numvfs [${sriov_numvfs_1}:${sriov_numvfs_2}]"
- return $(false)
- fi
-
- return $(true)
-}
-
-#
-# returns $(true) if ifcfg files are equal
-#
-# Warning: Only compares against cfg file attributes:
-# BOOTPROTO DEVICE IPADDR NETMASK GATEWAY MTU BONDING_OPTS SRIOV_NUMVFS
-#
-function is_eq_ifcfg {
- local cfg_1=$1
- local cfg_2=$2
-
- for attr in BOOTPROTO DEVICE IPADDR NETMASK GATEWAY MTU BONDING_OPTS; do
- local attr_value1
- attr_value1=$(normalized_cfg_attr_value $cfg_1 $attr)
- local attr_value2
- attr_value2=$(normalized_cfg_attr_value $cfg_2 $attr)
- if [[ "${attr_value1}" != "${attr_value2}" ]]; then
- log_it "$cfg_1 and $cfg_2 differ on attribute $attr"
- return $(false)
- fi
- done
-
- is_eq_sriov_numvfs $1 $2
- return $?
-}
-
-# Synchronize with sysinv-agent audit (ifup/down to query link speed).
-function sysinv_agent_lock {
- case $1 in
- $ACQUIRE_LOCK)
- local lock_file="/var/run/apply_network_config.lock"
- # Lock file should be the same as defined in sysinv agent code
- local lock_timeout=5
- local max=15
- local n=1
- LOCK_FD=0
- exec {LOCK_FD}>$lock_file
- while [[ $n -le $max ]]; do
-
- flock -w $lock_timeout $LOCK_FD && break
- log_it "Failed to get lock($LOCK_FD) after $lock_timeout seconds ($n/$max), will retry"
- sleep 1
- n=$(($n+1))
- done
- if [[ $n -gt $max ]]; then
- log_it "Failed to acquire lock($LOCK_FD) even after $max retries"
- exit 1
- fi
- ;;
- $RELEASE_LOCK)
- [[ $LOCK_FD -gt 0 ]] && flock -u $LOCK_FD
- ;;
- esac
-}
-
-
-# synchronize with sysinv-agent audit
-sysinv_agent_lock $ACQUIRE_LOCK
-
-# check if this is a duplicated configuration
-if ! diff -I '^#' "/var/run/interfaces.puppet" "/etc/network/interfaces" > /dev/null; then
- # now copy the puppet changed interfaces to /etc/network/interfaces
- do_mv /var/run/interfaces.puppet /etc/network/interfaces
-
- # now restart networking service
- /etc/init.d/networking restart
-
- sleep 5
-else
- # need to remove this file also
- do_rm /var/run/interfaces.puppet
-fi
-
-
-# workaround the loopback label addresses cannot be configured as scope of host
-ip addr show lo | egrep "inet.*global.*lo:" > /tmp/loop$$
-
-while read addr_info; do
- echo $addr_info
- log_it "replace $addr_info with scope host"
- addr=`echo $addr_info | cut -d' ' -f 2`
- ifname=`echo $addr_info | cut -d' ' -f 5`
- ip addr del $addr dev lo label $ifname
- ip addr add $addr dev lo scope host label $ifname
-done < /tmp/loop$$
-
-
-# unlock: synchronize with sysinv-agent audit
-sysinv_agent_lock $RELEASE_LOCK
Code Review / pti / rtp.git / blobdiff