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routing.go
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routing.go
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/*
Copyright 2020 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 handler
import (
"context"
"crypto/x509"
"errors"
"net/http"
"os"
"github.com/go-kit/kit/transport"
httptransport "github.com/go-kit/kit/transport/http"
"github.com/go-kit/log"
prometheusapi "github.com/prometheus/client_golang/api"
"go.uber.org/zap"
kubermaticv1 "k8c.io/kubermatic/v2/pkg/apis/kubermatic/v1"
"k8c.io/kubermatic/v2/pkg/features"
"k8c.io/kubermatic/v2/pkg/handler/auth"
"k8c.io/kubermatic/v2/pkg/handler/middleware"
"k8c.io/kubermatic/v2/pkg/provider"
"k8c.io/kubermatic/v2/pkg/serviceaccount"
"k8c.io/kubermatic/v2/pkg/version/kubermatic"
"k8c.io/kubermatic/v2/pkg/watcher"
ctrlruntimeclient "sigs.k8s.io/controller-runtime/pkg/client"
)
// Routing represents an object which binds endpoints to http handlers.
type Routing struct {
log *zap.SugaredLogger
logger log.Logger
versions kubermatic.Versions
presetProvider provider.PresetProvider
masterClient ctrlruntimeclient.Client
seedsGetter provider.SeedsGetter
seedsClientGetter provider.SeedClientGetter
kubermaticConfigGetter provider.KubermaticConfigurationGetter
sshKeyProvider provider.SSHKeyProvider
privilegedSSHKeyProvider provider.PrivilegedSSHKeyProvider
userProvider provider.UserProvider
serviceAccountProvider provider.ServiceAccountProvider
privilegedServiceAccountProvider provider.PrivilegedServiceAccountProvider
serviceAccountTokenProvider provider.ServiceAccountTokenProvider
privilegedServiceAccountTokenProvider provider.PrivilegedServiceAccountTokenProvider
projectProvider provider.ProjectProvider
privilegedProjectProvider provider.PrivilegedProjectProvider
oidcIssuerVerifier auth.OIDCIssuerVerifier
tokenVerifiers auth.TokenVerifier
tokenExtractors auth.TokenExtractor
clusterProviderGetter provider.ClusterProviderGetter
addonProviderGetter provider.AddonProviderGetter
addonConfigProvider provider.AddonConfigProvider
prometheusClient prometheusapi.Client
projectMemberProvider provider.ProjectMemberProvider
privilegedProjectMemberProvider provider.PrivilegedProjectMemberProvider
featureGatesProvider provider.FeatureGatesProvider
userProjectMapper provider.ProjectMemberMapper
saTokenAuthenticator serviceaccount.TokenAuthenticator
saTokenGenerator serviceaccount.TokenGenerator
eventRecorderProvider provider.EventRecorderProvider
exposeStrategy kubermaticv1.ExposeStrategy
userInfoGetter provider.UserInfoGetter
settingsProvider provider.SettingsProvider
adminProvider provider.AdminProvider
admissionPluginProvider provider.AdmissionPluginsProvider
settingsWatcher watcher.SettingsWatcher
userWatcher watcher.UserWatcher
caBundle *x509.CertPool
features features.FeatureGate
seedProvider provider.SeedProvider
resourceQuotaProvider provider.ResourceQuotaProvider
}
// NewRouting creates a new Routing.
func NewRouting(routingParams RoutingParams, masterClient ctrlruntimeclient.Client) Routing {
return Routing{
log: routingParams.Log,
logger: log.NewLogfmtLogger(os.Stderr),
presetProvider: routingParams.PresetProvider,
masterClient: masterClient,
seedsGetter: routingParams.SeedsGetter,
seedsClientGetter: routingParams.SeedsClientGetter,
kubermaticConfigGetter: routingParams.KubermaticConfigurationGetter,
clusterProviderGetter: routingParams.ClusterProviderGetter,
addonProviderGetter: routingParams.AddonProviderGetter,
addonConfigProvider: routingParams.AddonConfigProvider,
sshKeyProvider: routingParams.SSHKeyProvider,
privilegedSSHKeyProvider: routingParams.PrivilegedSSHKeyProvider,
userProvider: routingParams.UserProvider,
serviceAccountProvider: routingParams.ServiceAccountProvider,
privilegedServiceAccountProvider: routingParams.PrivilegedServiceAccountProvider,
serviceAccountTokenProvider: routingParams.ServiceAccountTokenProvider,
privilegedServiceAccountTokenProvider: routingParams.PrivilegedServiceAccountTokenProvider,
projectProvider: routingParams.ProjectProvider,
privilegedProjectProvider: routingParams.PrivilegedProjectProvider,
oidcIssuerVerifier: routingParams.OIDCIssuerVerifier,
tokenVerifiers: routingParams.TokenVerifiers,
tokenExtractors: routingParams.TokenExtractors,
prometheusClient: routingParams.PrometheusClient,
projectMemberProvider: routingParams.ProjectMemberProvider,
privilegedProjectMemberProvider: routingParams.PrivilegedProjectMemberProvider,
featureGatesProvider: routingParams.FeatureGatesProvider,
userProjectMapper: routingParams.UserProjectMapper,
saTokenAuthenticator: routingParams.SATokenAuthenticator,
saTokenGenerator: routingParams.SATokenGenerator,
eventRecorderProvider: routingParams.EventRecorderProvider,
exposeStrategy: routingParams.ExposeStrategy,
userInfoGetter: routingParams.UserInfoGetter,
settingsProvider: routingParams.SettingsProvider,
adminProvider: routingParams.AdminProvider,
admissionPluginProvider: routingParams.AdmissionPluginProvider,
settingsWatcher: routingParams.SettingsWatcher,
userWatcher: routingParams.UserWatcher,
versions: routingParams.Versions,
caBundle: routingParams.CABundle,
features: routingParams.Features,
seedProvider: routingParams.SeedProvider,
resourceQuotaProvider: routingParams.ResourceQuotaProvider,
}
}
type RequestProvider func() *http.Request
func NewRequestErrorHandler(log *zap.SugaredLogger, reqProvider RequestProvider) transport.ErrorHandlerFunc {
return func(ctx context.Context, err error) {
// When the client cancels the request, the context is canceled.
// In this case we do not want to log the error.
if errors.Is(ctx.Err(), context.Canceled) {
return
}
// client-side errors should also not be logged
if httpErr := AsHTTPError(err); httpErr != nil && httpErr.StatusCode() < http.StatusInternalServerError {
return
}
log.Errorw(err.Error(), "request", reqProvider().URL.String())
}
}
func (r Routing) defaultServerOptions() []httptransport.ServerOption {
var req *http.Request
// wrap the request variable so that we do not hand a stable
// "req" variable to NewRequestErrorHandler()
provider := func() *http.Request {
return req
}
return []httptransport.ServerOption{
httptransport.ServerBefore(func(c context.Context, r *http.Request) context.Context {
req = r
return c
}),
httptransport.ServerErrorHandler(NewRequestErrorHandler(r.log, provider)),
httptransport.ServerErrorEncoder(ErrorEncoder),
httptransport.ServerBefore(middleware.TokenExtractor(r.tokenExtractors)),
}
}
type RoutingParams struct {
Log *zap.SugaredLogger
PresetProvider provider.PresetProvider
SeedsGetter provider.SeedsGetter
SeedsClientGetter provider.SeedClientGetter
KubermaticConfigurationGetter provider.KubermaticConfigurationGetter
SSHKeyProvider provider.SSHKeyProvider
PrivilegedSSHKeyProvider provider.PrivilegedSSHKeyProvider
UserProvider provider.UserProvider
ServiceAccountProvider provider.ServiceAccountProvider
PrivilegedServiceAccountProvider provider.PrivilegedServiceAccountProvider
ServiceAccountTokenProvider provider.ServiceAccountTokenProvider
PrivilegedServiceAccountTokenProvider provider.PrivilegedServiceAccountTokenProvider
ProjectProvider provider.ProjectProvider
PrivilegedProjectProvider provider.PrivilegedProjectProvider
OIDCIssuerVerifier auth.OIDCIssuerVerifier
TokenVerifiers auth.TokenVerifier
TokenExtractors auth.TokenExtractor
ClusterProviderGetter provider.ClusterProviderGetter
AddonProviderGetter provider.AddonProviderGetter
AddonConfigProvider provider.AddonConfigProvider
PrometheusClient prometheusapi.Client
ProjectMemberProvider provider.ProjectMemberProvider
PrivilegedProjectMemberProvider provider.PrivilegedProjectMemberProvider
UserProjectMapper provider.ProjectMemberMapper
SATokenAuthenticator serviceaccount.TokenAuthenticator
SATokenGenerator serviceaccount.TokenGenerator
EventRecorderProvider provider.EventRecorderProvider
ExposeStrategy kubermaticv1.ExposeStrategy
UserInfoGetter provider.UserInfoGetter
SettingsProvider provider.SettingsProvider
AdminProvider provider.AdminProvider
AdmissionPluginProvider provider.AdmissionPluginsProvider
SettingsWatcher watcher.SettingsWatcher
UserWatcher watcher.UserWatcher
ExternalClusterProvider provider.ExternalClusterProvider
PrivilegedExternalClusterProvider provider.PrivilegedExternalClusterProvider
FeatureGatesProvider provider.FeatureGatesProvider
DefaultConstraintProvider provider.DefaultConstraintProvider
ConstraintTemplateProvider provider.ConstraintTemplateProvider
ConstraintProviderGetter provider.ConstraintProviderGetter
AlertmanagerProviderGetter provider.AlertmanagerProviderGetter
ClusterTemplateProvider provider.ClusterTemplateProvider
ClusterTemplateInstanceProviderGetter provider.ClusterTemplateInstanceProviderGetter
RuleGroupProviderGetter provider.RuleGroupProviderGetter
PrivilegedAllowedRegistryProvider provider.PrivilegedAllowedRegistryProvider
EtcdBackupConfigProviderGetter provider.EtcdBackupConfigProviderGetter
EtcdRestoreProviderGetter provider.EtcdRestoreProviderGetter
EtcdBackupConfigProjectProviderGetter provider.EtcdBackupConfigProjectProviderGetter
EtcdRestoreProjectProviderGetter provider.EtcdRestoreProjectProviderGetter
BackupCredentialsProviderGetter provider.BackupCredentialsProviderGetter
PrivilegedMLAAdminSettingProviderGetter provider.PrivilegedMLAAdminSettingProviderGetter
SeedProvider provider.SeedProvider
ResourceQuotaProvider provider.ResourceQuotaProvider
GroupProjectBindingProvider provider.GroupProjectBindingProvider
PrivilegedIPAMPoolProviderGetter provider.PrivilegedIPAMPoolProviderGetter
ApplicationDefinitionProvider provider.ApplicationDefinitionProvider
PrivilegedOperatingSystemProfileProviderGetter provider.PrivilegedOperatingSystemProfileProviderGetter
Versions kubermatic.Versions
CABundle *x509.CertPool
Features features.FeatureGate
}