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utils.go
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utils.go
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//
// DISCLAIMER
//
// Copyright 2016-2024 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 pod
import (
core "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
"github.com/arangodb/kube-arangodb/pkg/util/errors"
"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
"github.com/arangodb/kube-arangodb/pkg/util/k8sutil/inspector/service"
)
func GenerateMemberEndpoint(services service.Inspector, apiObject meta.Object, spec api.DeploymentSpec, group api.ServerGroup, member api.MemberStatus) (string, error) {
memberName := member.ArangoMemberName(apiObject.GetName(), group)
svc, ok := services.Service().V1().GetSimple(memberName)
if !ok {
return "", errors.Errorf("Service %s not found", memberName)
}
return GenerateMemberEndpointFromService(svc, apiObject, spec, group, member)
}
func GenerateMemberEndpointFromService(svc *core.Service, apiObject meta.Object, spec api.DeploymentSpec, group api.ServerGroup, member api.MemberStatus) (string, error) {
if group.IsArangod() {
switch method := spec.CommunicationMethod.Get(); method {
case api.DeploymentCommunicationMethodDNS, api.DeploymentCommunicationMethodHeadlessDNS:
return k8sutil.CreateServiceDNSNameWithDomain(svc, spec.ClusterDomain), nil
case api.DeploymentCommunicationMethodIP:
if svc.Spec.ClusterIP == "" {
return "", errors.Errorf("ClusterIP of service %s is empty", svc.GetName())
}
if svc.Spec.ClusterIP == core.ClusterIPNone {
return k8sutil.CreateServiceDNSNameWithDomain(svc, spec.ClusterDomain), nil
}
return svc.Spec.ClusterIP, nil
case api.DeploymentCommunicationMethodShortDNS:
return svc.GetName(), nil
default:
return k8sutil.CreatePodDNSNameWithDomain(apiObject, spec.ClusterDomain, group.AsRole(), member.ID), nil
}
} else {
return k8sutil.CreateSyncMasterClientServiceDNSNameWithDomain(apiObject, spec.ClusterDomain), nil
}
}