pulsaradmin/pkg/admin/ns_isolation_policy.go

// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 admin

import (
	"github.com/apache/pulsar-client-go/pulsaradmin/pkg/utils"
)

type NsIsolationPolicy interface {
	// Create a namespace isolation policy for a cluster
	CreateNamespaceIsolationPolicy(cluster, policyName string, namespaceIsolationData utils.NamespaceIsolationData) error

	// Delete a namespace isolation policy for a cluster
	DeleteNamespaceIsolationPolicy(cluster, policyName string) error

	// Get a single namespace isolation policy for a cluster
	GetNamespaceIsolationPolicy(cluster, policyName string) (*utils.NamespaceIsolationData, error)

	// Get the namespace isolation policies of a cluster
	GetNamespaceIsolationPolicies(cluster string) (map[string]utils.NamespaceIsolationData, error)

	// Returns list of active brokers with namespace-isolation policies attached to it.
	GetBrokersWithNamespaceIsolationPolicy(cluster string) ([]utils.BrokerNamespaceIsolationData, error)

	// Returns active broker with namespace-isolation policies attached to it.
	GetBrokerWithNamespaceIsolationPolicy(cluster, broker string) (*utils.BrokerNamespaceIsolationData, error)
}

type nsIsolationPolicy struct {
	pulsar   *pulsarClient
	basePath string
}

func (c *pulsarClient) NsIsolationPolicy() NsIsolationPolicy {
	return &nsIsolationPolicy{
		pulsar:   c,
		basePath: "/clusters",
	}
}

func (n *nsIsolationPolicy) CreateNamespaceIsolationPolicy(cluster, policyName string,
	namespaceIsolationData utils.NamespaceIsolationData) error {
	return n.setNamespaceIsolationPolicy(cluster, policyName, namespaceIsolationData)
}

func (n *nsIsolationPolicy) setNamespaceIsolationPolicy(cluster, policyName string,
	namespaceIsolationData utils.NamespaceIsolationData) error {
	endpoint := n.pulsar.endpoint(n.basePath, cluster, "namespaceIsolationPolicies", policyName)
	return n.pulsar.Client.Post(endpoint, &namespaceIsolationData)
}

func (n *nsIsolationPolicy) DeleteNamespaceIsolationPolicy(cluster, policyName string) error {
	endpoint := n.pulsar.endpoint(n.basePath, cluster, "namespaceIsolationPolicies", policyName)
	return n.pulsar.Client.Delete(endpoint)
}

func (n *nsIsolationPolicy) GetNamespaceIsolationPolicy(cluster, policyName string) (
	*utils.NamespaceIsolationData, error) {
	endpoint := n.pulsar.endpoint(n.basePath, cluster, "namespaceIsolationPolicies", policyName)
	var nsIsolationData utils.NamespaceIsolationData
	err := n.pulsar.Client.Get(endpoint, &nsIsolationData)
	if err != nil {
		return nil, err
	}
	return &nsIsolationData, nil
}

func (n *nsIsolationPolicy) GetNamespaceIsolationPolicies(cluster string) (
	map[string]utils.NamespaceIsolationData, error) {
	endpoint := n.pulsar.endpoint(n.basePath, cluster, "namespaceIsolationPolicies")
	var tmpMap map[string]utils.NamespaceIsolationData
	err := n.pulsar.Client.Get(endpoint, &tmpMap)
	if err != nil {
		return nil, err
	}
	return tmpMap, nil
}

func (n *nsIsolationPolicy) GetBrokersWithNamespaceIsolationPolicy(cluster string) (
	[]utils.BrokerNamespaceIsolationData, error) {
	endpoint := n.pulsar.endpoint(n.basePath, cluster, "namespaceIsolationPolicies", "brokers")
	var res []utils.BrokerNamespaceIsolationData
	err := n.pulsar.Client.Get(endpoint, &res)
	if err != nil {
		return nil, err
	}
	return res, nil
}

func (n *nsIsolationPolicy) GetBrokerWithNamespaceIsolationPolicy(cluster,
	broker string) (*utils.BrokerNamespaceIsolationData, error) {
	endpoint := n.pulsar.endpoint(n.basePath, cluster, "namespaceIsolationPolicies", "brokers", broker)
	var brokerNamespaceIsolationData utils.BrokerNamespaceIsolationData
	err := n.pulsar.Client.Get(endpoint, &brokerNamespaceIsolationData)
	if err != nil {
		return nil, err
	}
	return &brokerNamespaceIsolationData, nil
}