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nutanix.go
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nutanix.go
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/*
Copyright 2022 The Kubermatic Kubernetes Platform contributors.
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.
*/
package provider
import (
"context"
"fmt"
"net/http"
"github.com/go-kit/kit/endpoint"
"github.com/gorilla/mux"
kubermaticv1 "k8c.io/kubermatic/v2/pkg/apis/kubermatic/v1"
providercommon "k8c.io/kubermatic/v2/pkg/handler/common/provider"
"k8c.io/kubermatic/v2/pkg/handler/v1/common"
"k8c.io/kubermatic/v2/pkg/handler/v2/cluster"
"k8c.io/kubermatic/v2/pkg/provider"
utilerrors "k8c.io/kubermatic/v2/pkg/util/errors"
)
type NutanixCommonReq struct {
// KKP Datacenter to use for endpoint
// in: path
// required: true
DC string `json:"dc"`
// in: header
// name: NutanixUsername
NutanixUsername string
// in: header
// name: NutanixPassword
NutanixPassword string
// in: header
// name: NutanixProxyURL
NutanixProxyURL string
// in: header
// name: Credential
Credential string
}
// NutanixClusterReq represents a request for Nutanix clusters
// swagger:parameters listNutanixClusters
type NutanixClusterReq struct {
NutanixCommonReq
}
// NutanixProjectReq represents a request for Nutanix projects
// swagger:parameters listNutanixProjects
type NutanixProjectReq struct {
NutanixCommonReq
}
// NutanixSubnetReq represents a request for Nutanix subnets
// swagger:parameters listNutanixSubnets
type NutanixSubnetReq struct {
NutanixCommonReq
// in: header
// name: NutanixCluster
// required: true
NutanixCluster string
// Project query parameter. Can be omitted to query subnets without project scope
// in: header
// name: NutanixProject
NutanixProject string
}
// NutanixCategoryReq represents a request for Nutanix categories
// swagger:parameters listNutanixCategories
type NutanixCategoryReq struct {
NutanixCommonReq
}
// NutanixCategoryValueReq represents a request for Nutanix category values for a specific category
// swagger:parameters listNutanixCategoryValues
type NutanixCategoryValueReq struct {
NutanixCommonReq
// Category to query the available values for
// in: path
// required: true
Category string `json:"category"`
}
// NutanixNoCredentialReq represent a request for Nutanix information with cluster-provided credentials
// swagger:parameters listNutanixSubnetsNoCredentials listNutanixCategoriesNoCredentials
type NutanixNoCredentialReq struct {
cluster.GetClusterReq
}
// NutanixCategoryValuesNoCredentialReq represents a request for Nutanix category values with cluster-provided credentials
// swagger:parameters listNutanixCategoryValuesNoCredentials
type NutanixCategoryValuesNoCredentialReq struct {
NutanixNoCredentialReq
// Category to query the available values for
// in: path
// required: true
Category string `json:"category"`
}
func DecodeNutanixCommonReq(c context.Context, r *http.Request) (interface{}, error) {
var req NutanixCommonReq
req.NutanixUsername = r.Header.Get("NutanixUsername")
req.NutanixPassword = r.Header.Get("NutanixPassword")
req.NutanixProxyURL = r.Header.Get("NutanixProxyURL")
req.Credential = r.Header.Get("Credential")
dc, ok := mux.Vars(r)["dc"]
if !ok {
return nil, fmt.Errorf("'dc' parameter is required")
}
req.DC = dc
return req, nil
}
func DecodeNutanixSubnetReq(c context.Context, r *http.Request) (interface{}, error) {
var req NutanixSubnetReq
commonReq, err := DecodeNutanixCommonReq(c, r)
if err != nil {
return nil, err
}
req.NutanixCommonReq = commonReq.(NutanixCommonReq)
req.NutanixCluster = r.Header.Get("NutanixCluster")
req.NutanixProject = r.Header.Get("NutanixProject")
return req, nil
}
func DecodeNutanixCategoryValueReq(c context.Context, r *http.Request) (interface{}, error) {
var req NutanixCategoryValueReq
commonReq, err := DecodeNutanixCommonReq(c, r)
if err != nil {
return nil, err
}
category, ok := mux.Vars(r)["category"]
if !ok {
return nil, fmt.Errorf("'category' parameter is required")
}
req.NutanixCommonReq = commonReq.(NutanixCommonReq)
req.Category = category
return req, nil
}
func DecodeNutanixNoCredentialReq(c context.Context, r *http.Request) (interface{}, error) {
var req NutanixNoCredentialReq
clusterID, err := common.DecodeClusterID(c, r)
if err != nil {
return nil, err
}
req.ClusterID = clusterID
pr, err := common.DecodeProjectRequest(c, r)
if err != nil {
return nil, err
}
req.ProjectReq = pr.(common.ProjectReq)
return req, nil
}
func DecodeNutanixCategoryValuesNoCredentialReq(c context.Context, r *http.Request) (interface{}, error) {
var req NutanixCategoryValuesNoCredentialReq
noCredsReq, err := DecodeNutanixNoCredentialReq(c, r)
if err != nil {
return nil, err
}
category, ok := mux.Vars(r)["category"]
if !ok {
return nil, fmt.Errorf("'category' parameter is required")
}
req.NutanixNoCredentialReq = noCredsReq.(NutanixNoCredentialReq)
req.Category = category
return req, nil
}
// NutanixClusterEndpoint handles the request for a list of clusters, using provided credentials.
func NutanixClusterEndpoint(presetProvider provider.PresetProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(NutanixCommonReq)
client, _, err := getNutanixClient(ctx, req, presetProvider, seedsGetter, userInfoGetter)
if err != nil {
return nil, err
}
clusters, err := client.ListNutanixClusters(ctx)
if err != nil {
return nil, utilerrors.New(http.StatusInternalServerError, fmt.Sprintf("cannot list clusters: %s", err.Error()))
}
return clusters, nil
}
}
// NutanixProjectEndpoint handles the request for a list of projects, using provided credentials.
func NutanixProjectEndpoint(presetProvider provider.PresetProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(NutanixCommonReq)
client, _, err := getNutanixClient(ctx, req, presetProvider, seedsGetter, userInfoGetter)
if err != nil {
return nil, err
}
projects, err := client.ListNutanixProjects(ctx)
if err != nil {
return nil, utilerrors.New(http.StatusInternalServerError, fmt.Sprintf("cannot list projects: %s", err.Error()))
}
return projects, nil
}
}
// NutanixSubnetEndpoint handles the request for a list of subnets on a specific Nutanix cluster, using provided credentials.
func NutanixSubnetEndpoint(presetProvider provider.PresetProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(NutanixSubnetReq)
client, creds, err := getNutanixClient(ctx, req.NutanixCommonReq, presetProvider, seedsGetter, userInfoGetter)
if err != nil {
return nil, err
}
cluster := req.NutanixCluster
project := req.NutanixProject
if creds != nil {
cluster = creds.ClusterName
project = creds.ProjectName
}
subnets, err := client.ListNutanixSubnets(ctx, cluster, project)
if err != nil {
return nil, utilerrors.New(http.StatusInternalServerError, fmt.Sprintf("cannot list subnets: %s", err.Error()))
}
return subnets, nil
}
}
func NutanixCategoryEndpoint(presetProvider provider.PresetProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(NutanixCommonReq)
client, _, err := getNutanixClient(ctx, req, presetProvider, seedsGetter, userInfoGetter)
if err != nil {
return nil, err
}
categories, err := client.ListNutanixCategories(ctx)
if err != nil {
return nil, utilerrors.New(http.StatusInternalServerError, fmt.Sprintf("cannot list categories: %s", err.Error()))
}
return categories, nil
}
}
func NutanixCategoryValuesEndpoint(presetProvider provider.PresetProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(NutanixCategoryValueReq)
client, _, err := getNutanixClient(ctx, req.NutanixCommonReq, presetProvider, seedsGetter, userInfoGetter)
if err != nil {
return nil, err
}
categories, err := client.ListNutanixCategoryValues(ctx, req.Category)
if err != nil {
return nil, utilerrors.New(http.StatusInternalServerError, fmt.Sprintf("cannot list category values for '%s': %s", req.Category, err.Error()))
}
return categories, nil
}
}
func getNutanixClient(ctx context.Context, req NutanixCommonReq, presetProvider provider.PresetProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) (providercommon.NutanixClientSet, *kubermaticv1.Nutanix, error) {
creds := providercommon.NutanixCredentials{
ProxyURL: req.NutanixProxyURL,
Username: req.NutanixUsername,
Password: req.NutanixPassword,
}
var credential *kubermaticv1.Nutanix
userInfo, err := userInfoGetter(ctx, "")
if err != nil {
return nil, nil, common.KubernetesErrorToHTTPError(err)
}
if len(req.Credential) > 0 {
preset, err := presetProvider.GetPreset(ctx, userInfo, req.Credential)
if err != nil {
return nil, nil, utilerrors.New(http.StatusInternalServerError, fmt.Sprintf("can not get preset %s for user %s", req.Credential, userInfo.Email))
}
if credential = preset.Spec.Nutanix; credential != nil {
creds.ProxyURL = credential.ProxyURL
creds.Username = credential.Username
creds.Password = credential.Password
}
}
if creds.Username == "" || creds.Password == "" {
return nil, nil, utilerrors.NewBadRequest("no valid credentials found")
}
_, dc, err := provider.DatacenterFromSeedMap(userInfo, seedsGetter, req.DC)
if err != nil {
return nil, nil, utilerrors.NewBadRequest(err.Error())
}
if dc.Spec.Nutanix == nil {
return nil, nil, utilerrors.NewBadRequest("datacenter '%s' is not a Nutanix datacenter", req.DC)
}
client := providercommon.NewNutanixClient(dc.Spec.Nutanix, &creds)
return client, credential, nil
}
func NutanixSubnetsWithClusterCredentialsEndpoint(projectProvider provider.ProjectProvider, privilegedProjectProvider provider.PrivilegedProjectProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(NutanixNoCredentialReq)
return providercommon.NutanixSubnetsWithClusterCredentialsEndpoint(ctx, userInfoGetter, projectProvider, privilegedProjectProvider, seedsGetter, req.ProjectID, req.ClusterID)
}
}
func NutanixCategoriesWithClusterCredentialsEndpoint(projectProvider provider.ProjectProvider, privilegedProjectProvider provider.PrivilegedProjectProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(NutanixNoCredentialReq)
return providercommon.NutanixCategoriesWithClusterCredentialsEndpoint(ctx, userInfoGetter, projectProvider, privilegedProjectProvider, seedsGetter, req.ProjectID, req.ClusterID)
}
}
func NutanixCategoryValuesWithClusterCredentialsEndpoint(projectProvider provider.ProjectProvider, privilegedProjectProvider provider.PrivilegedProjectProvider, seedsGetter provider.SeedsGetter, userInfoGetter provider.UserInfoGetter) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
req := request.(NutanixCategoryValuesNoCredentialReq)
return providercommon.NutanixCategoryValuesWithClusterCredentialsEndpoint(ctx, userInfoGetter, projectProvider, privilegedProjectProvider, seedsGetter, req.ProjectID, req.ClusterID, req.Category)
}
}