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d7cdc8cc15
This adds a VIP (virtual IP) option to the network configuration of an interface, which will allow a set of nodes to share a floating IP address among them. For now, this is restricted to control plane use and only a single shared IP is supported. Fixes #3111 Signed-off-by: Seán C McCord <ulexus@gmail.com> Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package qemu
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import (
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"context"
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"github.com/talos-systems/talos/pkg/machinery/config/types/v1alpha1"
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"github.com/talos-systems/talos/pkg/machinery/config/types/v1alpha1/generate"
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"github.com/talos-systems/talos/pkg/provision"
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"github.com/talos-systems/talos/pkg/provision/providers/vm"
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)
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type provisioner struct {
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vm.Provisioner
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}
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// NewProvisioner initializes qemu provisioner.
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func NewProvisioner(ctx context.Context) (provision.Provisioner, error) {
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p := &provisioner{
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vm.Provisioner{
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Name: "qemu",
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},
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}
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return p, nil
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}
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// Close and release resources.
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func (p *provisioner) Close() error {
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return nil
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}
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// GenOptions provides a list of additional config generate options.
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func (p *provisioner) GenOptions(networkReq provision.NetworkRequest) []generate.GenOption {
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hasIPv4 := false
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hasIPv6 := false
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for _, cidr := range networkReq.CIDRs {
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if cidr.IP.To4() == nil {
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hasIPv6 = true
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} else {
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hasIPv4 = true
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}
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}
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return []generate.GenOption{
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generate.WithInstallDisk("/dev/vda"),
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generate.WithInstallExtraKernelArgs([]string{
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"console=ttyS0", // TODO: should depend on arch
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// reboot configuration
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"reboot=k",
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"panic=1",
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"talos.shutdown=halt",
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// Talos-specific
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"talos.platform=metal",
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}),
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generate.WithNetworkOptions(
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v1alpha1.WithNetworkInterfaceDHCP("eth0", true),
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v1alpha1.WithNetworkInterfaceDHCPv4("eth0", hasIPv4),
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v1alpha1.WithNetworkInterfaceDHCPv6("eth0", hasIPv6),
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),
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}
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}
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// GetLoadBalancers returns internal/external loadbalancer endpoints.
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func (p *provisioner) GetLoadBalancers(networkReq provision.NetworkRequest) (internalEndpoint, externalEndpoint string) {
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// qemu runs loadbalancer on the bridge, which is good for both internal access, external access goes via round-robin
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return networkReq.GatewayAddrs[0].String(), ""
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}
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// GetFirstInterface returns first network interface name.
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func (p *provisioner) GetFirstInterface() string {
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return "eth0"
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}
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