I am collecting logs generated by an agent. It generates one large JSON output which I need to decompose into smaller JSON documents and use sarama to write to kafka. Due to MAX size constraint of kafka message, I have problems in demposing into several individual JSON documents. Any suggestions would be greatly appreciated. The log messages do not have any fixed fields or data types except date/time field indicating of logactivity
Sample #1
[{"date":1596206786.847531,"rand_value":11885153394315023285},{"date":1596206787.847446,"rand_value":6208802038498064748},{"date":1596206788.847526,"rand_value":932964293334035461},{"date":1596206789.847568,"rand_value":13217490172547025909}]
Sample 2
[{"date":1596206786.847743,"cpu_p":0,"user_p":0,"system_p":0,"cpu0.p_cpu":0,"cpu0.p_user":0,"cpu0.p_system":0,"cpu1.p_cpu":0,"cpu1.p_user":0,"cpu1.p_system":0,"cpu2.p_cpu":0,"cpu2.p_user":0,"cpu2.p_system":0,"cpu3.p_cpu":0,"cpu3.p_user":0,"cpu3.p_system":0,"cpu4.p_cpu":0,"cpu4.p_user":0,"cpu4.p_system":0,"cpu5.p_cpu":0,"cpu5.p_user":0,"cpu5.p_system":0,"cpu6.p_cpu":0,"cpu6.p_user":0,"cpu6.p_system":0,"cpu7.p_cpu":0,"cpu7.p_user":0,"cpu7.p_system":0},{"date":1596206787.847689,"cpu_p":1.25,"user_p":0.75,"system_p":0.5,"cpu0.p_cpu":2,"cpu0.p_user":1,"cpu0.p_system":1,"cpu1.p_cpu":1,"cpu1.p_user":0,"cpu1.p_system":1,"cpu2.p_cpu":2,"cpu2.p_user":1,"cpu2.p_system":1,"cpu3.p_cpu":3,"cpu3.p_user":2,"cpu3.p_system":1,"cpu4.p_cpu":1,"cpu4.p_user":0,"cpu4.p_system":1,"cpu5.p_cpu":1,"cpu5.p_user":1,"cpu5.p_system":0,"cpu6.p_cpu":2,"cpu6.p_user":2,"cpu6.p_system":0,"cpu7.p_cpu":0,"cpu7.p_user":0,"cpu7.p_system":0},{"date":1596206788.847754,"cpu_p":0.75,"user_p":0.5,"system_p":0.25,"cpu0.p_cpu":0,"cpu0.p_user":0,"cpu0.p_system":0,"cpu1.p_cpu":1,"cpu1.p_user":0,"cpu1.p_system":1,"cpu2.p_cpu":2,"cpu2.p_user":1,"cpu2.p_system":1,"cpu3.p_cpu":0,"cpu3.p_user":0,"cpu3.p_system":0,"cpu4.p_cpu":0,"cpu4.p_user":0,"cpu4.p_system":0,"cpu5.p_cpu":1,"cpu5.p_user":1,"cpu5.p_system":0,"cpu6.p_cpu":1,"cpu6.p_user":0,"cpu6.p_system":1,"cpu7.p_cpu":1,"cpu7.p_user":0,"cpu7.p_system":1},{"date":1596206789.847805,"cpu_p":0.8750000000000001,"user_p":0.5,"system_p":0.375,"cpu0.p_cpu":1,"cpu0.p_user":0,"cpu0.p_system":1,"cpu1.p_cpu":1,"cpu1.p_user":1,"cpu1.p_system":0,"cpu2.p_cpu":2,"cpu2.p_user":1,"cpu2.p_system":1,"cpu3.p_cpu":0,"cpu3.p_user":0,"cpu3.p_system":0,"cpu4.p_cpu":1,"cpu4.p_user":1,"cpu4.p_system":0,"cpu5.p_cpu":0,"cpu5.p_user":0,"cpu5.p_system":0,"cpu6.p_cpu":2,"cpu6.p_user":2,"cpu6.p_system":0,"cpu7.p_cpu":0,"cpu7.p_user":0,"cpu7.p_system":0}]
package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
)
func main() {
ibytes, err := ioutil.ReadFile("hello.json")
if err != nil {
fmt.Println(err)
os.Exit(-1)
}
var msgs []map[string]interface{}
err = json.Unmarshal(ibytes, &msgs)
if err != nil {
fmt.Println("Serialization Error", err)
os.Exit(-1)
}
for _,msg:=range msgs {
fmt.Println("%s",msg)
}
}
I am able to iterate over the individual messages but not in a friendly format to write into kafka.
I managed to find solution by myself using below code