cbe1a0fc6b
NetworkManager with simple-init has proven to be stable in OpenStack infra, switch to it by default for CentOS and Fedora. For CentOS 8 and Fedora, add a check to make it the only option. Thus only CenOS 7 remains optionally using the legacy scripts; this is likely not used anywhere (infra is really the primary user, where NetworkManager is already used); we can likely remove this variable (and hence path) in a future cleanup. In the setup, remove rhel7 element which was never really tested. Reorganise the fallthrough to call out the default paths as doing nothing. Change-Id: Ic996956da4b85f7d95179b8df9881d5f52c091af
58 lines
2.1 KiB
Bash
Executable File
58 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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if [ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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case "$DIB_INIT_SYSTEM" in
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upstart)
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# nothing to do
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exit 0
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;;
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systemd)
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if [[ ${DISTRO_NAME} == centos && ${DIB_RELEASE} -eq 7 ]]; then
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if [[ ${DIB_SIMPLE_INIT_NETWORKMANAGER} != 1 ]]; then
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# NOTE(pabelanger): Glean requires network.service for
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# these platforms when not using networkmanager
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systemctl enable network.service
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fi
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elif [[ ${DISTRO_NAME} =~ (opensuse) ]]; then
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# on suse, this is named wicked.service, but it's the same
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# as network.service.
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systemctl enable wicked.service
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else
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# NOTE(ianw): it might be better to whitelist platforms in
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# the future, but for now assume it will "just work"
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continue
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fi
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;;
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openrc)
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# let dib-init-system's postinstall handle enabling init scripts
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exit 0
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;;
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sysv)
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# nothing to do
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exit 0
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;;
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*)
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echo "Unsupported init system $DIB_INIT_SYSTEM"
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exit 1
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;;
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esac
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if [[ ${DIB_SIMPLE_INIT_NETWORKMANAGER} != 0 ]]; then
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# If we are using NetworkManager then we have to avoid having the kernel
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# configure ipv6 addresses on an interface (via router advertisements)
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# until NetworkManager starts. If the interface is configured by the
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# kernel before NetworkManager then NetworkManager will ignore the
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# interface and not configure ipv4 on it. It does this because it assumes
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# some other entity is in control of the interface.
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# Debian has a many year old long bug report detailing this behavior with
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# the most interesting comment being at the end:
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# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=755202#331
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DIB_SIMPLE_INIT_NETWORKMANAGER_IPV6_DELAY=${DIB_SIMPLE_INIT_NETWORKMANAGER_IPV6_DELAY:-30}
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echo "net.ipv6.conf.default.router_solicitation_delay=${DIB_SIMPLE_INIT_NETWORKMANAGER_IPV6_DELAY}" >> /etc/sysctl.conf
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fi
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