mirror of
https://github.com/alibaba/higress.git
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83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"errors"
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"strings"
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"github.com/alibaba/higress/plugins/wasm-go/pkg/wrapper"
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"github.com/tidwall/gjson"
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)
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type OpaConfig struct {
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policy string
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timeout uint32
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client wrapper.HttpClient
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}
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func Client(json gjson.Result) (wrapper.HttpClient, error) {
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serviceSource := strings.TrimSpace(json.Get("serviceSource").String())
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serviceName := strings.TrimSpace(json.Get("serviceName").String())
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servicePort := json.Get("servicePort").Int()
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host := strings.TrimSpace(json.Get("host").String())
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if host == "" {
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if serviceName == "" || servicePort == 0 {
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return nil, errors.New("invalid service config")
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}
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}
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var namespace string
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if serviceSource == "k8s" || serviceSource == "nacos" {
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if namespace = strings.TrimSpace(json.Get("namespace").String()); namespace == "" {
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return nil, errors.New("namespace not allow empty")
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}
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}
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switch serviceSource {
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case "k8s":
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return wrapper.NewClusterClient(wrapper.K8sCluster{
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ServiceName: serviceName,
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Namespace: namespace,
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Port: servicePort,
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}), nil
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case "nacos":
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return wrapper.NewClusterClient(wrapper.NacosCluster{
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ServiceName: serviceName,
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NamespaceID: namespace,
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Port: servicePort,
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}), nil
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case "ip":
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return wrapper.NewClusterClient(wrapper.StaticIpCluster{
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ServiceName: serviceName,
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Host: host,
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Port: servicePort,
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}), nil
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case "dns":
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return wrapper.NewClusterClient(wrapper.DnsCluster{
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ServiceName: serviceName,
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Port: servicePort,
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Domain: json.Get("domain").String(),
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}), nil
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case "route":
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return wrapper.NewClusterClient(wrapper.RouteCluster{
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Host: host,
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}), nil
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}
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return nil, errors.New("unknown service source: " + serviceSource)
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}
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