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example.go
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example.go
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package main
import (
"bytes"
"encoding/json"
"fmt"
MO "github.com/Tusamarco/mysqloperatorcalculator/src/mysqloperatorcalculator"
"strconv"
"syscall"
)
func main() {
var moc MO.MysqlOperatorCalculator
testSupportedJson(moc.GetSupportedLayouts(), moc)
testGetconfiguration(moc)
}
func testSupportedJson(supported MO.Configuration, calculator MO.MysqlOperatorCalculator) {
output, err := json.MarshalIndent(&supported, "", " ")
if err != nil {
print(err.Error())
}
fmt.Println(string(output))
}
//Get the whole set of parameters plus message as the following objects hierarchy
// Families->
// Groups -->
// Parameters
// THE VALID value in parameter to be consider as CURRENT is !!Value!!!
func testGetconfiguration(moc MO.MysqlOperatorCalculator) {
var b bytes.Buffer
var myRequest MO.ConfigurationRequest
var err error
myRequest.LoadType = MO.LoadType{Id: MO.LoadTypeSomeWrites}
// Memory resource can be set as bytes using MemoryBytes ...
myRequest.Dimension = MO.Dimension{Id: MO.DimensionOpen, Cpu: 4000, MemoryBytes: 2684354560}
//OR in literal using M G GB etc with Memory
// We can assign the value...
myRequest.Dimension = MO.Dimension{Id: MO.DimensionOpen, Cpu: 4000, Memory: "2.5G"}
// Then convert and validate it if it follows the standards:
var errConv error
myRequest.Dimension.MemoryBytes, errConv = myRequest.Dimension.ConvertMemoryToBytes(myRequest.Dimension.Memory)
// If any error then do what you want ...
if errConv != nil {
println(errConv.Error())
syscall.Exit(1)
}
myRequest.DBType = MO.DbTypeGroupReplication //"pxc"
myRequest.Output = MO.ResultOutputFormatHuman //"human"
myRequest.Connections = 0
myRequest.Mysqlversion = MO.Version{8, 0, 33}
moc.Init(myRequest)
error, responseMessage, families := moc.GetCalculate()
if error != nil {
print(error.Error())
}
if responseMessage.MType > 0 {
fmt.Errorf(strconv.Itoa(responseMessage.MType) + ": " + responseMessage.MName + " " + responseMessage.MText)
}
if len(families) > 0 {
// IF Using HUMAN than:
// we can use the by group parsing option:
//----------------------------------------------------------
//1 Parsing families and Groups one by one
//----------------------------------------------------------
// Parsing MySQL
MySQLfamily, err1 := moc.GetFamily(MO.FamilyTypeMysql)
if err1 != nil {
print(err1.Error())
}
mysqlStBuffer, err1 := MySQLfamily.ParseFamilyGroup(MO.GroupNameMySQLd, " ")
probesStBuffer, err1 := MySQLfamily.ParseFamilyGroup(MO.GroupNameProbes, " ")
resourcesStBuffer, err1 := MySQLfamily.ParseFamilyGroup(MO.GroupNameResources, " ")
if err1 == nil {
println("[mysql configuration]")
println(mysqlStBuffer.String())
println("[mysql probes]")
println(probesStBuffer.String())
println("[mysql resources]")
println(resourcesStBuffer.String())
} else {
println(err1.Error())
}
//Parsing Proxy
proxyFamily, err1 := moc.GetFamily(MO.FamilyTypeProxy)
if err1 != nil {
print(err1.Error())
}
proxyStBuffer, err1 := proxyFamily.ParseFamilyGroup(MO.GroupNameHAProxy, " ")
proxyProbesStBuffer, err1 := proxyFamily.ParseFamilyGroup(MO.GroupNameProbes, " ")
proxyResourcesStBuffer, err1 := proxyFamily.ParseFamilyGroup(MO.GroupNameResources, " ")
if err1 == nil {
println("[haproxy configuration]")
println(proxyStBuffer.String())
println("[haproxy probes]")
println(proxyProbesStBuffer.String())
println("[haproxy resources]")
println(proxyResourcesStBuffer.String())
} else {
println(err1.Error())
}
//Parsing Monitoring
monitorFamily, err1 := moc.GetFamily(MO.FamilyTypeMonitor)
if err1 != nil {
print(err1.Error())
}
monitorProbesStBuffer, err1 := monitorFamily.ParseFamilyGroup(MO.GroupNameProbes, " ")
monitorResourcesStBuffer, err1 := monitorFamily.ParseFamilyGroup(MO.GroupNameResources, " ")
if err1 == nil {
println("[monitor probes]")
println(monitorProbesStBuffer.String())
println("[monitor resources]")
println(monitorResourcesStBuffer.String())
} else {
println(err1.Error())
}
//----------------------------------------------------------
//2 Parsing All in one shot (mainly for Json output)
//----------------------------------------------------------
if myRequest.Output == "json" {
b, err = moc.GetJSONOutput(responseMessage, myRequest, families)
} else {
b, err = moc.GetHumanOutput(responseMessage, myRequest, families)
}
if err != nil {
print(err.Error())
return
}
println(b.String())
}
}