6f8f6b049b
By default most cloud images have disabled the udev rules which give us stable network interface names. While this is a reasonable default for something like EC2 (the target for these images) this is very bad behavour on bare metal and can cause a "musical NICs" situation to occur where on reboot the NIC names get swapped. In this commit we re-enable stable interface naming by removing the dev nulled rules softlink and installing the biosdevname package. Once this is done interface names should again show up as em1, em2 instead of the old eth0, eth1. We also remove some the common, statically configured eth0 config files on some distributions. Equivalent files (if needed) may be auto-generated by using the dhcp-all-interfaces element. Change-Id: Idd67977342719e2f295e2fa2c0ed6cfa8602171a
26 lines
750 B
Bash
Executable File
26 lines
750 B
Bash
Executable File
#!/bin/bash
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# remove softlink to /dev/null which disables these rules
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NET_NAME_SLOT_FILE="/etc/udev/rules.d/80-net-name-slot.rules"
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if [ -h $NET_NAME_SLOT_FILE ]; then
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rm $NET_NAME_SLOT_FILE
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fi
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install-packages biosdevname
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# Fedora/RHEL cloud images may hard code the eth0 interface
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# so it boots w/ DHCP. We remove this file here so it
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# doesn't interfere w/ stable interface naming
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IFCFG_NETSCRIPT="/etc/sysconfig/network-interfaces/ifcfg-eth0"
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if [ -f $IFCFG_NETSCRIPT ]; then
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rm $IFCFG_NETSCRIPT
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fi
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# Ubuntu may hard code the eth0 interface for DHCP
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# We remove this file here so it doesn't interfere w/
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# stable interface naming
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ENI_ETH0_CFG="/etc/network/interfaces.d/eth0.cfg"
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if [ -f $ENI_ETH0_CFG ]; then
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rm $ENI_ETH0_CFG
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fi
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