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services.go
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services.go
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//
// DISCLAIMER
//
// Copyright 2023-2024 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package kubernetes
import (
"context"
"fmt"
"github.com/rs/zerolog"
core "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
"github.com/arangodb/kube-arangodb/pkg/debug_package/cli"
"github.com/arangodb/kube-arangodb/pkg/debug_package/shared"
"github.com/arangodb/kube-arangodb/pkg/util/errors"
"github.com/arangodb/kube-arangodb/pkg/util/kclient"
)
func Services() shared.Factory {
return shared.NewFactory("kubernetes-services", true, services)
}
func listServices(client kubernetes.Interface) func() ([]*core.Service, error) {
return func() ([]*core.Service, error) {
return ListObjects[*core.ServiceList, *core.Service](context.Background(), client.CoreV1().Services(cli.GetInput().Namespace), func(result *core.ServiceList) []*core.Service {
q := make([]*core.Service, len(result.Items))
for id, e := range result.Items {
q[id] = e.DeepCopy()
}
return q
})
}
}
func services(logger zerolog.Logger, files chan<- shared.File) error {
k, ok := kclient.GetDefaultFactory().Client()
if !ok {
return errors.Errorf("Client is not initialised")
}
services, err := listServices(k.Kubernetes())()
if err != nil {
return err
}
files <- shared.NewYAMLFile("kubernetes/services.yaml", func() ([]*core.Service, error) {
return services, nil
})
for _, svc := range services {
endpoints(k, svc.GetNamespace(), svc.GetName(), files)
}
return nil
}
func endpoints(k kclient.Client, namespace, name string, files chan<- shared.File) {
ep, err := k.Kubernetes().CoreV1().Endpoints(namespace).Get(context.Background(), name, meta.GetOptions{})
if err == nil {
files <- shared.NewYAMLFile(fmt.Sprintf("kubernetes/services/%s/endpoints.yaml", name), func() ([]interface{}, error) {
ep.ManagedFields = nil
return []interface{}{ep}, nil
})
}
}