Files
kubesphere/pkg/simple/client/auditing/elasticsearch/elasticsearch_test.go
2020-07-30 22:39:14 +08:00

371 lines
7.5 KiB
Go

/*
Copyright 2020 The KubeSphere Authors.
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 elasticsearch
import (
"github.com/google/go-cmp/cmp"
"github.com/stretchr/testify/assert"
"kubesphere.io/kubesphere/pkg/simple/client/auditing"
"net/http"
"net/http/httptest"
"strconv"
"strings"
"testing"
"time"
)
func MockElasticsearchService(pattern string, fakeCode int, fakeResp string) *httptest.Server {
mux := http.NewServeMux()
mux.HandleFunc(pattern, func(res http.ResponseWriter, req *http.Request) {
res.WriteHeader(fakeCode)
_, _ = res.Write([]byte(fakeResp))
})
return httptest.NewServer(mux)
}
func TestStatisticsOnResources(t *testing.T) {
var tests = []struct {
description string
filter auditing.Filter
fakeVersion string
fakeCode int
fakeResp string
expected auditing.Statistics
expectedError bool
}{{
description: "ES index exists",
filter: auditing.Filter{},
fakeVersion: "6",
fakeCode: 200,
fakeResp: `
{
"took": 16,
"timed_out": false,
"_shards": {
"total": 1,
"successful": 1,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 10000,
"max_score": null,
"hits": [
]
},
"aggregations": {
"resources_count": {
"value": 100
}
}
}
`,
expected: auditing.Statistics{
Events: 10000,
Resources: 100,
},
expectedError: false,
}, {
description: "ES index not exists",
filter: auditing.Filter{},
fakeVersion: "6",
fakeCode: 404,
fakeResp: `
{
"error": {
"root_cause": [
{
"type": "index_not_found_exception",
"reason": "no such index [events]",
"resource.type": "index_or_alias",
"resource.id": "events",
"index_uuid": "_na_",
"index": "events"
}
],
"type": "index_not_found_exception",
"reason": "no such index [events]",
"resource.type": "index_or_alias",
"resource.id": "events",
"index_uuid": "_na_",
"index": "events"
},
"status": 404
}
`,
expectedError: true,
}}
for _, test := range tests {
t.Run(test.description, func(t *testing.T) {
mes := MockElasticsearchService("/", test.fakeCode, test.fakeResp)
defer mes.Close()
es, err := NewClient(&Options{Host: mes.URL, IndexPrefix: "ks-logstash-events", Version: "6"})
if err != nil {
t.Fatal(err)
}
stats, err := es.StatisticsOnResources(&test.filter)
if test.expectedError {
if err == nil {
t.Fatalf("expected err like %s", test.fakeResp)
} else if !strings.Contains(err.Error(), strconv.Itoa(test.fakeCode)) {
t.Fatalf("err does not contain expected code: %d", test.fakeCode)
}
} else {
if err != nil {
t.Fatal(err)
} else if diff := cmp.Diff(stats, &test.expected); diff != "" {
t.Fatalf("%T differ (-got, +want): %s", test.expected, diff)
}
}
})
}
}
func TestParseToQueryPart(t *testing.T) {
q := `
{
"bool": {
"filter": [
{
"bool": {
"should": [
{
"bool": {
"filter": [
{
"match_phrase": {
"ObjectRef.Namespace.keyword": "kubesphere-system"
}
},
{
"range": {
"RequestReceivedTimestamp": {
"gte": "2020-01-01T01:01:01.000000001Z"
}
}
}
]
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"match_phrase": {
"ObjectRef.Name.keyword": "istio"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"wildcard": {
"ObjectRef.Name.keyword": "*istio*"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"match_phrase": {
"Verb.keyword": "create"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"match_phrase": {
"Level.keyword": "Metadata"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"wildcard": {
"SourceIPs.keyword": "*192.168*"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"match_phrase": {
"User.Username.keyword": "system:serviceaccount:kubesphere-system:kubesphere"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"wildcard": {
"User.Username.keyword": "*system:serviceaccount*"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"wildcard": {
"User.Groups.keyword": "*system:serviceaccounts*"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"match_phrase_prefix": {
"ObjectRef.Resource.keyword": "devops"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"match_phrase_prefix": {
"ObjectRef.Subresource.keyword": "pipeline"
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"term": {
"ResponseStatus.code": 404
}
}
],
"minimum_should_match": 1
}
},
{
"bool": {
"should": [
{
"match_phrase": {
"ResponseStatus.status": "Failure"
}
}
],
"minimum_should_match": 1
}
},
{
"range": {
"RequestReceivedTimestamp": {
"gte": "2019-12-01T01:01:01.000000001Z",
"lte": "2020-01-01T01:01:01.000000001Z"
}
}
}
]
}
}
`
nsCreateTime := time.Date(2020, time.Month(1), 1, 1, 1, 1, 1, time.UTC)
startTime := nsCreateTime.AddDate(0, -1, 0)
endTime := nsCreateTime.AddDate(0, 0, 0)
filter := &auditing.Filter{
ObjectRefNamespaceMap: map[string]time.Time{
"kubesphere-system": nsCreateTime,
},
ObjectRefNames: []string{"istio"},
ObjectRefNameFuzzy: []string{"istio"},
Levels: []string{"Metadata"},
Verbs: []string{"create"},
Users: []string{"system:serviceaccount:kubesphere-system:kubesphere"},
UserFuzzy: []string{"system:serviceaccount"},
GroupFuzzy: []string{"system:serviceaccounts"},
SourceIpFuzzy: []string{"192.168"},
ObjectRefResources: []string{"devops"},
ObjectRefSubresources: []string{"pipeline"},
ResponseCodes: []int32{404},
ResponseStatus: []string{"Failure"},
StartTime: &startTime,
EndTime: &endTime,
}
qp := parseToQueryPart(filter)
bs, err := json.Marshal(qp)
if err != nil {
panic(err)
}
queryPart := &map[string]interface{}{}
if err := json.Unmarshal(bs, queryPart); err != nil {
panic(err)
}
expectedQueryPart := &map[string]interface{}{}
if err := json.Unmarshal([]byte(q), expectedQueryPart); err != nil {
panic(err)
}
assert.Equal(t, expectedQueryPart, queryPart)
}