plugin.go

/*
Copyright 2019 The Machine Controller Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

//
// Environment and serialisation types for UserData plugins.
//

package plugin

import (
	"net"

	clusterv1alpha1 "github.com/kubermatic/machine-controller/pkg/apis/cluster/v1alpha1"
	"github.com/kubermatic/machine-controller/pkg/containerruntime"

	clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
)

const (
	// EnvUserDataRequest names the environment variable containing
	// the user data request.
	EnvUserDataRequest = "MACHINE_CONTROLLER_USER_DATA_REQUEST"

	// EnvPluginDir names the environment variable containing
	// a user defined location of the plugins.
	EnvPluginDir = "MACHINE_CONTROLLER_USERDATA_PLUGIN_DIR"
)

// UserDataRequest requests user data with the given arguments.
type UserDataRequest struct {
	MachineSpec              clusterv1alpha1.MachineSpec
	Kubeconfig               *clientcmdapi.Config
	CloudProviderName        string
	CloudConfig              string
	DNSIPs                   []net.IP
	ExternalCloudProvider    bool
	HTTPProxy                string
	NoProxy                  string
	PauseImage               string
	KubeletCloudProviderName string
	KubeletFeatureGates      map[string]bool
	KubeletConfigs           map[string]string
	ContainerRuntime         containerruntime.Config
	NodePortRange            string
}

// UserDataResponse contains the responded user data.
type UserDataResponse struct {
	UserData string
	Err      string
}

// ErrorResponse contains a single responded error.
type ErrorResponse struct {
	Err string
}