github.com/siglens/siglens@v0.0.0-20240328180423-f7ce9ae441ed/pkg/sampledataset/dataset.go (about)

     1  /*
     2  Copyright 2023.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package sampledataset
    18  
    19  import (
    20  	"encoding/json"
    21  	"fmt"
    22  	"math/rand"
    23  	"time"
    24  
    25  	"github.com/brianvoe/gofakeit/v6"
    26  	"github.com/siglens/siglens/pkg/config"
    27  )
    28  
    29  type Generator interface {
    30  	Init() error
    31  	GetLogLine() ([]byte, error)
    32  	GetRawLog() (map[string]interface{}, error)
    33  }
    34  
    35  type DynamicUserGenerator struct {
    36  	baseBody  map[string]interface{}
    37  	tNowEpoch uint64
    38  	tsKey     string
    39  	faker     *gofakeit.Faker
    40  	seed      int64
    41  }
    42  
    43  func InitDynamicUserGenerator(ts bool, seed int64) *DynamicUserGenerator {
    44  	return &DynamicUserGenerator{
    45  		seed:  seed,
    46  		tsKey: config.GetTimeStampKey(),
    47  	}
    48  }
    49  
    50  func (r *DynamicUserGenerator) Init() error {
    51  	gofakeit.Seed(r.seed)
    52  	r.faker = gofakeit.NewUnlocked(r.seed)
    53  	rand.Seed(r.seed)
    54  	r.baseBody = make(map[string]interface{})
    55  	r.generateRandomBody()
    56  	_, err := json.Marshal(r.baseBody)
    57  	if err != nil {
    58  		return err
    59  	}
    60  	r.tNowEpoch = uint64(time.Now().UnixMilli()) - 80*24*3600*1000
    61  	return nil
    62  }
    63  
    64  func (r *DynamicUserGenerator) GetLogLine() ([]byte, error) {
    65  	r.generateRandomBody()
    66  	return json.Marshal(r.baseBody)
    67  }
    68  
    69  func (r *DynamicUserGenerator) GetRawLog() (map[string]interface{}, error) {
    70  	r.generateRandomBody()
    71  	return r.baseBody, nil
    72  }
    73  
    74  func (r *DynamicUserGenerator) generateRandomBody() {
    75  	randomizeBody(r.faker, r.baseBody, r.tsKey)
    76  }
    77  
    78  func randomizeBody(f *gofakeit.Faker, m map[string]interface{}, tsKey string) {
    79  
    80  	m["batch"] = fmt.Sprintf("batch-%d", f.Number(1, 1000))
    81  	p := f.Person()
    82  	m["first_name"] = p.FirstName
    83  	m["last_name"] = p.LastName
    84  	m["gender"] = p.Gender
    85  	m["ssn"] = p.SSN
    86  	m["image"] = p.Image
    87  	m["hobby"] = p.Hobby
    88  
    89  	m["job_description"] = p.Job.Descriptor
    90  	m["job_level"] = p.Job.Level
    91  	m["job_title"] = p.Job.Title
    92  	m["job_company"] = p.Job.Company
    93  
    94  	m["address"] = p.Address.Address
    95  	m["street"] = p.Address.Street
    96  	m["city"] = p.Address.City
    97  	m["state"] = p.Address.State
    98  	m["zip"] = p.Address.Zip
    99  	m["country"] = p.Address.Country
   100  	m["latitude"] = p.Address.Latitude
   101  	m["longitude"] = p.Address.Longitude
   102  	m["user_phone"] = p.Contact.Phone
   103  	m["user_email"] = p.Contact.Email
   104  
   105  	m["user_color"] = f.Color()
   106  	m["weekday"] = f.WeekDay()
   107  	m["http_method"] = f.HTTPMethod()
   108  	m["http_status"] = f.HTTPStatusCodeSimple()
   109  	m["app_name"] = f.AppName()
   110  	m["app_version"] = f.AppVersion()
   111  	m["ident"] = f.UUID()
   112  	m["user_agent"] = f.UserAgent()
   113  	m["url"] = f.URL()
   114  	m["group"] = fmt.Sprintf("group %d", f.Number(0, 2))
   115  	m["question"] = f.Question()
   116  	m["latency"] = f.Number(0, 10_000_000)
   117  	m[tsKey] = uint64(time.Now().UnixMilli())
   118  }