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typeNetworkChaos.go
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typeNetworkChaos.go
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package iotmakerdockerbuilder
import (
"errors"
isolatedNetwork "github.com/helmutkemper/iotmaker.docker.builder.network.interface"
"github.com/helmutkemper/util"
"log"
"strconv"
"time"
)
type NetworkChaos struct {
imageName string
builder *ContainerBuilder
overload *ContainerBuilder
network isolatedNetwork.ContainerBuilderNetworkInterface
containerName string
listenPort int
outputPort int
invert bool
}
// SetNetworkDocker (english):
//
// SetNetworkDocker (português): Define o ponteiro do gerenciador de rede docker
// Entrada:
// network: ponteiro para o objeto gerenciador de rede.
//
// Nota: - A entrada network deve ser compatível com a interface
// dockerBuilderNetwork.ContainerBuilderNetwork{}
func (e *NetworkChaos) SetNetworkDocker(network isolatedNetwork.ContainerBuilderNetworkInterface) {
e.network = network
}
func (e *NetworkChaos) SetFatherContainer(fatherContainer *ContainerBuilder) {
e.builder = fatherContainer
}
func (e *NetworkChaos) SetContainerName(value string) {
e.containerName = value
}
func (e *NetworkChaos) SetPorts(listenPort, outputPort int, invert bool) {
e.listenPort = listenPort
e.outputPort = outputPort
e.invert = invert
}
func (e *NetworkChaos) Init() (err error) {
if e.builder == nil {
util.TraceToLog()
err = errors.New("father container must be set")
return
}
if e.containerName == "" {
//err = errors.New("containerName must be set")
//return
}
if e.listenPort == 0 {
util.TraceToLog()
err = errors.New("listen port must be set")
return
}
if e.outputPort == 0 {
util.TraceToLog()
err = errors.New("output port must be set")
return
}
//var builderIP = e.builder.GetIPV4Address()
var builderIP, _ = e.builder.incIpV4Address(e.builder.GetIPV4Address(), 0)
var nextIP = "0.0.0.0"
e.imageName = "overload."
if e.invert == false {
e.imageName += "in.port." +
strconv.FormatInt(int64(e.outputPort), 10) +
".out.port." +
strconv.FormatInt(int64(e.listenPort), 10)
} else {
e.imageName += "in.port." +
strconv.FormatInt(int64(e.listenPort), 10) +
".out.port." +
strconv.FormatInt(int64(e.outputPort), 10)
}
min := strconv.Itoa(int(10 * time.Millisecond))
max := strconv.Itoa(int(1000 * time.Millisecond))
e.imageName += ":latest"
e.overload = &ContainerBuilder{}
e.overload.network = e.builder.network
e.overload.SetImageName(e.imageName)
//e.overload.MakeDefaultDockerfileForMe()
log.Printf("container name: %v", e.builder.containerName+"_overload")
e.overload.SetContainerName(e.builder.containerName + "_overload")
e.overload.SetBuildFolderPath("./apagar")
//e.overload.SetGitCloneToBuild("https://github.com/helmutkemper/iotmaker.network.util.overload.image.git")
e.overload.SetWaitStringWithTimeout("overloading...", 30*time.Second)
e.overload.AddPortToDockerfileExpose("27016")
e.overload.AddPortToDockerfileExpose("27017")
e.overload.AddPortToExpose("27016")
//e.overload.AddPortToExpose("27017")
//e.overload.AddPortToExpose("27017")
//e.overload.AddPortToExpose("8080")
//e.overload.AddPortToExpose("8080")
if e.invert == false {
log.Printf(`1.IN_ADDRESS=` + nextIP + `:` + strconv.FormatInt(int64(e.outputPort), 10))
log.Printf(`1.OUT_ADDRESS=` + builderIP + `:` + strconv.FormatInt(int64(e.listenPort), 10))
e.overload.SetEnvironmentVar(
[]string{
`IN_ADDRESS=` + nextIP + `:` + strconv.FormatInt(int64(e.outputPort), 10),
`OUT_ADDRESS=` + builderIP + `:` + strconv.FormatInt(int64(e.listenPort), 10),
`MIN_DELAY=` + min,
`MAX_DELAY=` + max,
},
)
} else {
log.Printf(`2.OUT_ADDRESS=` + nextIP + `:` + strconv.FormatInt(int64(e.outputPort), 10))
log.Printf(`2.IN_ADDRESS=` + builderIP + `:` + strconv.FormatInt(int64(e.listenPort), 10))
e.overload.SetEnvironmentVar(
[]string{
`OUT_ADDRESS=` + nextIP + `:` + strconv.FormatInt(int64(e.outputPort), 10),
`IN_ADDRESS=` + builderIP + `:` + strconv.FormatInt(int64(e.listenPort), 10),
`MIN_DELAY=` + min,
`MAX_DELAY=` + max,
},
)
}
err = e.overload.Init()
if err != nil {
util.TraceToLog()
return
}
//if e.imageExists() == false {
_, err = e.overload.ImageBuildFromFolder()
if err != nil {
util.TraceToLog()
return
}
//}
err = e.overload.ContainerBuildAndStartFromImage()
if err != nil {
util.TraceToLog()
return
}
return
}
func (e *NetworkChaos) imageExists() (exists bool) {
var ID string
ID, _ = e.overload.dockerSys.ImageFindIdByName(e.imageName)
exists = ID != ""
return
}