Andrey Smirnov 9379cf9ee1 refactor: expose provision as public package
This change is only moving packages and updating import paths.

Goal: expose `internal/pkg/provision` as `pkg/provision` to enable other
projects to import Talos provisioning library.

As cluster checks are almost always required as part of provisioning
process, package `internal/pkg/cluster` was also made public as
`pkg/cluster`.

Other changes were direct dependencies discovered by `importvet` which
were updated.

Public packages (useful, general purpose packages with stable API):

* `internal/pkg/conditions` -> `pkg/conditions`
* `internal/pkg/tail` -> `pkg/tail`

Private packages (used only on provisioning library internally):

* `internal/pkg/inmemhttp` -> `pkg/provision/internal/inmemhttp`
* `internal/pkg/kernel/vmlinuz` -> `pkg/provision/internal/vmlinuz`
* `internal/pkg/cniutils` -> `pkg/provision/internal/cniutils`

Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
2020-08-12 05:12:05 -07:00

73 lines
1.8 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
// Package docker implements Provisioner via docker.
package docker
import (
"context"
"github.com/docker/docker/client"
"github.com/talos-systems/talos/pkg/config/types/v1alpha1"
"github.com/talos-systems/talos/pkg/config/types/v1alpha1/generate"
"github.com/talos-systems/talos/pkg/provision"
)
type provisioner struct {
client *client.Client
}
// NewProvisioner initializes docker provisioner.
func NewProvisioner(ctx context.Context) (provision.Provisioner, error) {
p := &provisioner{}
var err error
p.client, err = client.NewEnvClient()
if err != nil {
return nil, err
}
return p, nil
}
// Close and release resources.
func (p *provisioner) Close() error {
if p.client != nil {
return p.client.Close()
}
return nil
}
// GenOptions provides a list of additional config generate options.
func (p *provisioner) GenOptions(networkReq provision.NetworkRequest) []generate.GenOption {
ret := []generate.GenOption{
generate.WithPersist(false),
}
if len(networkReq.Nameservers) > 0 {
nameservers := make([]string, len(networkReq.Nameservers))
for i := range nameservers {
nameservers[i] = networkReq.Nameservers[i].String()
}
ret = append(ret, generate.WithNetworkConfig(
&v1alpha1.NetworkConfig{
NameServers: nameservers,
}),
)
}
return ret
}
// GetLoadBalancers returns internal/external loadbalancer endpoints.
func (p *provisioner) GetLoadBalancers(networkReq provision.NetworkRequest) (internalEndpoint, externalEndpoint string) {
// docker doesn't provide internal LB, so return empty string
// external LB is always localhost where docker exposes ports
return "", "127.0.0.1"
}