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tools: nm-in-vm: fix connectivity with host
The connectivity with the host depends on getting a DHCP lease from the host. With the latest commit's customizations, the virtual NIC is not managed by NM so it is not configured. Keep it unmanaged so debuging NetworkManager doesn't affect to this virtual NIC. Use dhclient to get a DHCP lease from the host. Assign a fixed interface name (host_net) to match it from NM and dhclient config files.
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parent
db78d7b1b0
commit
2b44baf137
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@ -13,3 +13,7 @@ managed=0
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[device-managed-1]
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match-device=interface-name:net*,interface-name:eth*
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managed=1
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[device-host-net]
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match-device=interface-name:host_net
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managed=0
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6
tools/nm-guest-data/systemd-10-host-net.link.in
Normal file
6
tools/nm-guest-data/systemd-10-host-net.link.in
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@ -0,0 +1,6 @@
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[Match]
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Driver=virtio_net
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[Link]
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NamePolicy=
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Name=host_net
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14
tools/nm-guest-data/systemd-dhcp-host.service.in
Normal file
14
tools/nm-guest-data/systemd-dhcp-host.service.in
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@ -0,0 +1,14 @@
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[Unit]
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Description=dhclient service to get connectivity with the host
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After=network.target
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[Service]
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Type=simple
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Restart=on-failure
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User=root
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RestartSec=5
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ExecStart=dhclient -d -H "%H" host_net
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ExecStop=dhclient -r host_net
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[Install]
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WantedBy=multi-user.target
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@ -123,6 +123,8 @@ do_build() {
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"home-gdbinit:/root/.gdbinit"
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"home-gdb_history:/root/.gdb_history"
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"home-behaverc:/root/.behaverc"
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"systemd-10-host-net.link:/etc/systemd/network/10-host-net.link"
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"systemd-dhcp-host.service:/etc/systemd/system/dhcp-host.service"
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"systemd-20-nm.override:/etc/systemd/system/NetworkManager.service.d/20-nm.override"
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)
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@ -216,7 +218,8 @@ do_build() {
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--edit "/etc/systemd/journald.conf:s/.*RateLimitBurst=.*/RateLimitBurst=0/" \
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--delete "/etc/NetworkManager/system-connections/*" \
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--append-line "/etc/bashrc:. /etc/bashrc.my" \
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--run-command "updatedb"
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--run-command "updatedb" \
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--firstboot-command "systemctl enable --now dhcp-host"
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virt-install \
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--name "$VM" \
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