Public bug reported: I find that baremetals fail to fetch metadata , and I conclude that the net inferfaces enahisic2i0 fail to fetch ip with dhcp. cat /etc/network/interfaces: allow-hotplug eth0 iface eth0 inet dhcp
so ,we can edit /etc/default/grub and let the os name the interfaces ehtXX biosdevname=0 net.ifnames=0 finally, the baremetals succed to fetch metadata. However,I think the solution is not the best way. the interfaces is unchangeable and in order to automatically start interfaces witch changeable names ,I come up with the follwing solution including tree steps. fistly,create /usr/lib/systemd/system/[email protected] cat /usr/lib/systemd/system/[email protected] [Unit] Description=DHCP interface %i DefaultDependencies=no After=network.target Before=network-online.target Wants=network-online.target ConditionPathExists=!/etc/sysconfig/network-scripts/ifcfg-%i [Service] Type=oneshot User=root ExecStartPre=/usr/local/sbin/dhcp-all-interfaces.sh %i ExecStart=/sbin/ifup %i RemainAfterExit=true TimeoutStartSec=30s [Install] WantedBy=multi-user.target secondly,create /usr/local/sbin/dhcp-all-interfaces.sh cat /usr/local/sbin/dhcp-all-interfaces.sh #!/bin/bash if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then set -x fi set -eu set -o pipefail INTERFACE=${1:-} #optional, if not specified configure all available interfaces ENI_FILE="/etc/network/interfaces" PATH=/sbin:$PATH if [ -d "/etc/network" ]; then CONF_TYPE="eni" elif [ -d "/etc/sysconfig/network-scripts/" ]; then CONF_TYPE="rhel-netscripts" SCRIPTS_PATH="/etc/sysconfig/network-scripts/" elif [ -d "/etc/sysconfig/network/" ]; then # SUSE network scripts location CONF_TYPE="suse-netscripts" SCRIPTS_PATH="/etc/sysconfig/network/" else echo "Unsupported network configuration type!" exit 1 fi ARGS="$0 $@" function serialize_me() { if [ "$CONF_TYPE" == "eni" ]; then # Serialize runs so that we don't miss hot-add interfaces FLOCKED=${FLOCKED:-} if [ -z "$FLOCKED" ] ; then FLOCKED=true exec flock -x $ENI_FILE $ARGS fi fi } function get_if_link() { cat /sys/class/net/${1}/carrier || echo 0 } function get_if_type() { cat /sys/class/net/${1}/type } function enable_interface() { local interface=$1 serialize_me if [ "$CONF_TYPE" == "eni" ]; then printf "auto $interface\niface $interface inet dhcp\n\n" >>$ENI_FILE elif [ "$CONF_TYPE" == "rhel-netscripts" ]; then if [ "$(get_if_type $interface)" == "32" ]; then printf "DEVICE=\"$interface\"\nBOOTPROTO=\"dhcp\"\nONBOOT=\"yes\"\nTYPE=\"InfiniBand\"\nCONNECTED_MODE=\"no\"\nDEFROUTE=\"yes\"\nPEERDNS=\"yes\"\nPEERROUTES=\"yes\"\nIPV4_FAILURE_FATAL=\"yes\"\nIPV6INIT=\"no\"" >"${SCRIPTS_PATH}ifcfg-$interface" else printf "DEVICE=\"$interface\"\nBOOTPROTO=\"dhcp\"\nONBOOT=\"yes\"\nTYPE=\"Ethernet\"" >"${SCRIPTS_PATH}ifcfg-$interface" fi elif [ "$CONF_TYPE" == "suse-netscripts" ]; then printf "BOOTPROTO=\"dhcp\"\nSTARTMODE=\"auto\"" >"${SCRIPTS_PATH}ifcfg-$interface" fi echo "Configured $1" } function config_exists() { local interface=$1 if [[ "$CONF_TYPE" =~ "netscripts" ]]; then if [ -f "${SCRIPTS_PATH}ifcfg-$interface" ]; then return 0 fi else if ifquery $interface >/dev/null 2>&1; then if [ -z "$(ifquery $interface 2>&1)" ]; then return 1 else return 0 fi else return 1 fi fi return 1 } function inspect_interface() { local interface=$1 local mac_addr_type mac_addr_type=$(cat /sys/class/net/${interface}/addr_assign_type) echo -n "Inspecting interface: $interface..." if config_exists $interface; then echo "Has config, skipping." elif [ "$mac_addr_type" != "0" ]; then echo "Device has generated MAC, skipping." else local has_link local tries=30 for ((; tries > 0; tries--)); do # Need to set the link up on each iteration ip link set dev $interface up &>/dev/null has_link=$(get_if_link $interface) [ "$has_link" == "1" ] && break sleep 1 done if [ "$has_link" == "1" ]; then enable_interface "$interface" else echo "No link detected, skipping" fi fi } if [ -n "$INTERFACE" ]; then inspect_interface $INTERFACE else for iface in $(ls /sys/class/net | grep -v ^lo$); do inspect_interface $iface done fi thirdly, create /etc/udev/rules.d/99-dhcp-all-interfaces.rules cat /etc/udev/rules.d/99-dhcp-all-interfaces.rules SUBSYSTEM=="net", KERNEL!="lo", ACTION=="add", TAG+="systemd", ENV{SYSTEMD_WANTS}+="dhcp-interface@$name.service" ** Affects: cloud-init Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to cloud-init. https://bugs.launchpad.net/bugs/1860250 Title: fail to start cloud init because of failure to start net interfaces Status in cloud-init: New Bug description: I find that baremetals fail to fetch metadata , and I conclude that the net inferfaces enahisic2i0 fail to fetch ip with dhcp. cat /etc/network/interfaces: allow-hotplug eth0 iface eth0 inet dhcp so ,we can edit /etc/default/grub and let the os name the interfaces ehtXX biosdevname=0 net.ifnames=0 finally, the baremetals succed to fetch metadata. However,I think the solution is not the best way. the interfaces is unchangeable and in order to automatically start interfaces witch changeable names ,I come up with the follwing solution including tree steps. fistly,create /usr/lib/systemd/system/[email protected] cat /usr/lib/systemd/system/[email protected] [Unit] Description=DHCP interface %i DefaultDependencies=no After=network.target Before=network-online.target Wants=network-online.target ConditionPathExists=!/etc/sysconfig/network-scripts/ifcfg-%i [Service] Type=oneshot User=root ExecStartPre=/usr/local/sbin/dhcp-all-interfaces.sh %i ExecStart=/sbin/ifup %i RemainAfterExit=true TimeoutStartSec=30s [Install] WantedBy=multi-user.target secondly,create /usr/local/sbin/dhcp-all-interfaces.sh cat /usr/local/sbin/dhcp-all-interfaces.sh #!/bin/bash if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then set -x fi set -eu set -o pipefail INTERFACE=${1:-} #optional, if not specified configure all available interfaces ENI_FILE="/etc/network/interfaces" PATH=/sbin:$PATH if [ -d "/etc/network" ]; then CONF_TYPE="eni" elif [ -d "/etc/sysconfig/network-scripts/" ]; then CONF_TYPE="rhel-netscripts" SCRIPTS_PATH="/etc/sysconfig/network-scripts/" elif [ -d "/etc/sysconfig/network/" ]; then # SUSE network scripts location CONF_TYPE="suse-netscripts" SCRIPTS_PATH="/etc/sysconfig/network/" else echo "Unsupported network configuration type!" exit 1 fi ARGS="$0 $@" function serialize_me() { if [ "$CONF_TYPE" == "eni" ]; then # Serialize runs so that we don't miss hot-add interfaces FLOCKED=${FLOCKED:-} if [ -z "$FLOCKED" ] ; then FLOCKED=true exec flock -x $ENI_FILE $ARGS fi fi } function get_if_link() { cat /sys/class/net/${1}/carrier || echo 0 } function get_if_type() { cat /sys/class/net/${1}/type } function enable_interface() { local interface=$1 serialize_me if [ "$CONF_TYPE" == "eni" ]; then printf "auto $interface\niface $interface inet dhcp\n\n" >>$ENI_FILE elif [ "$CONF_TYPE" == "rhel-netscripts" ]; then if [ "$(get_if_type $interface)" == "32" ]; then printf "DEVICE=\"$interface\"\nBOOTPROTO=\"dhcp\"\nONBOOT=\"yes\"\nTYPE=\"InfiniBand\"\nCONNECTED_MODE=\"no\"\nDEFROUTE=\"yes\"\nPEERDNS=\"yes\"\nPEERROUTES=\"yes\"\nIPV4_FAILURE_FATAL=\"yes\"\nIPV6INIT=\"no\"" >"${SCRIPTS_PATH}ifcfg-$interface" else printf "DEVICE=\"$interface\"\nBOOTPROTO=\"dhcp\"\nONBOOT=\"yes\"\nTYPE=\"Ethernet\"" >"${SCRIPTS_PATH}ifcfg-$interface" fi elif [ "$CONF_TYPE" == "suse-netscripts" ]; then printf "BOOTPROTO=\"dhcp\"\nSTARTMODE=\"auto\"" >"${SCRIPTS_PATH}ifcfg-$interface" fi echo "Configured $1" } function config_exists() { local interface=$1 if [[ "$CONF_TYPE" =~ "netscripts" ]]; then if [ -f "${SCRIPTS_PATH}ifcfg-$interface" ]; then return 0 fi else if ifquery $interface >/dev/null 2>&1; then if [ -z "$(ifquery $interface 2>&1)" ]; then return 1 else return 0 fi else return 1 fi fi return 1 } function inspect_interface() { local interface=$1 local mac_addr_type mac_addr_type=$(cat /sys/class/net/${interface}/addr_assign_type) echo -n "Inspecting interface: $interface..." if config_exists $interface; then echo "Has config, skipping." elif [ "$mac_addr_type" != "0" ]; then echo "Device has generated MAC, skipping." else local has_link local tries=30 for ((; tries > 0; tries--)); do # Need to set the link up on each iteration ip link set dev $interface up &>/dev/null has_link=$(get_if_link $interface) [ "$has_link" == "1" ] && break sleep 1 done if [ "$has_link" == "1" ]; then enable_interface "$interface" else echo "No link detected, skipping" fi fi } if [ -n "$INTERFACE" ]; then inspect_interface $INTERFACE else for iface in $(ls /sys/class/net | grep -v ^lo$); do inspect_interface $iface done fi thirdly, create /etc/udev/rules.d/99-dhcp-all-interfaces.rules cat /etc/udev/rules.d/99-dhcp-all-interfaces.rules SUBSYSTEM=="net", KERNEL!="lo", ACTION=="add", TAG+="systemd", ENV{SYSTEMD_WANTS}+="dhcp-interface@$name.service" To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-init/+bug/1860250/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : [email protected] Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
