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c63c7f15e2
This PR will fix some unexpected user behavior where nameservers were always getting written to 8.8.8.8,1.1.1.1 for the docker-based talos clusters. This occurred even when updating the docker daemon's config. This PR will make the docker provisioner respect the --nameserver flag and allow that to be used to override the defaults. Signed-off-by: Spencer Smith <robertspencersmith@gmail.com>
73 lines
1.8 KiB
Go
73 lines
1.8 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 docker implements Provisioner via docker.
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package docker
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import (
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"context"
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"github.com/docker/docker/client"
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"github.com/talos-systems/talos/internal/pkg/provision"
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"github.com/talos-systems/talos/pkg/config/types/v1alpha1"
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"github.com/talos-systems/talos/pkg/config/types/v1alpha1/generate"
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)
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type provisioner struct {
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client *client.Client
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}
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// NewProvisioner initializes docker provisioner.
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func NewProvisioner(ctx context.Context) (provision.Provisioner, error) {
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p := &provisioner{}
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var err error
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p.client, err = client.NewEnvClient()
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if err != nil {
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return nil, err
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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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if p.client != nil {
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return p.client.Close()
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}
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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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ret := []generate.GenOption{
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generate.WithPersist(false),
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}
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if len(networkReq.Nameservers) > 0 {
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nameservers := make([]string, len(networkReq.Nameservers))
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for i := range nameservers {
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nameservers[i] = networkReq.Nameservers[i].String()
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}
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ret = append(ret, generate.WithNetworkConfig(
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&v1alpha1.NetworkConfig{
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NameServers: nameservers,
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}),
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)
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}
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return ret
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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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// docker doesn't provide internal LB, so return empty string
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// external LB is always localhost where docker exposes ports
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return "", "127.0.0.1"
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}
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