Merge "Use internal dhcp client for centos 9-stream and beyond"
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commit
e43597affe
@ -39,3 +39,13 @@ DIB_DHCP_NETWORK_MANAGER_AUTO
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auto-configure any interface with no configuration, it will use DHCP for
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IPv4 and Router Advertisements to decide how to initialize IPv6.
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:Example: DIB_DHCP_NETWORK_MANAGER_AUTO=true
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DIB_DHCP_CLIENT
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:Required: no
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:Default: internal
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:Description: When NetworkManager is in use, this setting conveys which DHCP
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client is in use for acquiring a DHCP address for the node. In some specific
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cases, where known that dhclient is the tested or most compatible default,
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specifically for Centos 7, 8, and 8-Stream, as well as derived distributions.
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Otherwise, the "internal" dhcp client is the default.
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:Example: DIB_DHCP_CLIENT
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@ -9,12 +9,21 @@ set -o pipefail
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SCRIPTDIR=$(dirname $0)
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if [ -e "/etc/redhat-release" ]; then
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# NOTE(TheJulia): While the internal client which every networkmanager user
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# should have is internal, dhclient has better behavior which includes
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# shutting down the port between retries which is critical for recovery
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# from LACP port blocking situations. As such, we'll force it to dhclient.
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# NOTE(TheJulia): RHEL, prior to RHEL8 used dhclient by default launched
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# by NetworkManager. In RHEL8, this default switched to the "internal"
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# dhcp client.
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# This is problematic in RHEL8, with port blocking situations as dhclient
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# has better behavior which includes shutting down the port between
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# retries which is critical for recovery from LACP port blocking
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# situations. As such, we'll force it to dhclient.
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# For more information, see https://storyboard.openstack.org/#!/story/2008001
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DIB_DHCP_CLIENT=${DIB_DHCP_CLIENT:-dhclient}
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if [[ '7' =~ ${DIB_RELEASE} ]]; then
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DIB_DHCP_CLIENT=${DIB_DHCP_CLIENT:-dhclient}
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elif [[ '8' =~ ${DIB_RELEASE} ]]; then
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DIB_DHCP_CLIENT=${DIB_DHCP_CLIENT:-dhclient}
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fi
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# NOTE(TheJulia): Centos 9-stream/RHEL9, appear to need to leverage the
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# internal interface. See: https://storyboard.openstack.org/#!/story/2010109
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fi
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