borrar implementación go

This commit is contained in:
Cat /dev/Nulo 2023-06-23 17:44:00 -03:00
parent 63690627d6
commit 165bf72672
4 changed files with 0 additions and 1373 deletions

7
.gitignore vendored
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@ -1,12 +1,5 @@
rootfs.ext4 rootfs.ext4
rootfs.qcow2
fireactions
*.ext4
*.squashfs
*.config.json
vmlinux.bin vmlinux.bin
node_modules/ node_modules/
*.log
build.cjs build.cjs

51
go.mod
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@ -1,51 +0,0 @@
module gitea.nulo.in/Nulo/fireactions
go 1.20
require (
github.com/PuerkitoBio/purell v1.1.1 // indirect
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
github.com/containerd/fifo v1.0.0 // indirect
github.com/containernetworking/cni v1.0.1 // indirect
github.com/containernetworking/plugins v1.0.1 // indirect
github.com/firecracker-microvm/firecracker-go-sdk v1.0.0 // indirect
github.com/go-openapi/analysis v0.21.2 // indirect
github.com/go-openapi/errors v0.20.2 // indirect
github.com/go-openapi/jsonpointer v0.19.5 // indirect
github.com/go-openapi/jsonreference v0.19.6 // indirect
github.com/go-openapi/loads v0.21.1 // indirect
github.com/go-openapi/runtime v0.24.0 // indirect
github.com/go-openapi/spec v0.20.4 // indirect
github.com/go-openapi/strfmt v0.21.2 // indirect
github.com/go-openapi/swag v0.21.1 // indirect
github.com/go-openapi/validate v0.22.0 // indirect
github.com/go-stack/stack v1.8.1 // indirect
github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/hashicorp/errwrap v1.0.0 // indirect
github.com/hashicorp/go-multierror v1.1.1 // indirect
github.com/jaevor/go-nanoid v1.3.0 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/labstack/echo/v4 v4.10.2 // indirect
github.com/labstack/gommon v0.4.0 // indirect
github.com/mailru/easyjson v0.7.7 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.17 // indirect
github.com/mitchellh/mapstructure v1.4.3 // indirect
github.com/oklog/ulid v1.3.1 // indirect
github.com/opentracing/opentracing-go v1.2.0 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/sirupsen/logrus v1.8.1 // indirect
github.com/valyala/bytebufferpool v1.0.0 // indirect
github.com/valyala/fasttemplate v1.2.2 // indirect
github.com/vishvananda/netlink v1.1.1-0.20210330154013-f5de75959ad5 // indirect
github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f // indirect
go.mongodb.org/mongo-driver v1.8.3 // indirect
golang.org/x/crypto v0.6.0 // indirect
golang.org/x/net v0.7.0 // indirect
golang.org/x/sys v0.5.0 // indirect
golang.org/x/text v0.7.0 // indirect
golang.org/x/time v0.3.0 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
)

1112
go.sum

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203
main.go
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@ -1,203 +0,0 @@
package main
// https://stanislas.blog/2021/08/firecracker/
import (
"bytes"
"context"
"errors"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"time"
"github.com/firecracker-microvm/firecracker-go-sdk"
"github.com/firecracker-microvm/firecracker-go-sdk/client/models"
"github.com/jaevor/go-nanoid"
"github.com/labstack/echo/v4"
"github.com/labstack/echo/v4/middleware"
)
func main() {
e := echo.New()
e.Use(middleware.Logger())
e.Use(middleware.Recover())
e.POST("/run", run)
e.Logger.Fatal(e.Start(":8080"))
}
type runResp struct {
VmId string
}
func run(c echo.Context) error {
script, err := ioutil.ReadAll(c.Request().Body)
if err != nil {
panic(err)
}
vmid, agent, m := startVM()
err = agent.run(script)
if err != nil {
return err
}
go func() {
ctx := context.Background()
if err := m.Wait(ctx); err != nil {
panic(err)
}
}()
defer agent.off()
return c.JSON(http.StatusOK, runResp{
VmId: vmid,
})
}
func startVM() (string, agentConfig, *firecracker.Machine) {
nanid, err := nanoid.Standard(21)
if err != nil {
panic(err)
}
vmid := nanid()
secret := nanid()
socketPath := "/tmp/firecracker-" + vmid + ".sock"
cfg := firecracker.Config{
SocketPath: socketPath,
KernelImagePath: "vmlinux.bin",
Drives: firecracker.NewDrivesBuilder("./rootfs.ext4").Build(),
NetworkInterfaces: []firecracker.NetworkInterface{{
CNIConfiguration: &firecracker.CNIConfiguration{
NetworkName: "fcnet",
IfName: "veth0-fire",
BinPath: []string{"/opt/cni/bin", "/usr/libexec/cni"},
},
}},
MachineCfg: models.MachineConfiguration{
VcpuCount: firecracker.Int64(1),
MemSizeMib: firecracker.Int64(1024),
},
// TODO: setup jailer
KernelArgs: "console=ttyS0 reboot=k panic=1 pci=off fireactions.secret=" + secret,
}
// TODO: change stdout/stderr files
stdoutPath := "/tmp/stdout.log"
stdout, err := os.OpenFile(stdoutPath, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
if err != nil {
panic(fmt.Errorf("failed to create stdout file: %v", err))
}
stderrPath := "/tmp/stderr.log"
stderr, err := os.OpenFile(stderrPath, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
if err != nil {
panic(fmt.Errorf("failed to create stderr file: %v", err))
}
ctx := context.Background()
// build our custom command that contains our two files to
// write to during process execution
cmd := firecracker.VMCommandBuilder{}.
WithBin("firecracker").
WithSocketPath(socketPath).
WithStdout(stdout).
WithStderr(stderr).
Build(ctx)
m, err := firecracker.NewMachine(ctx, cfg, firecracker.WithProcessRunner(cmd))
if err != nil {
panic(fmt.Errorf("failed to create new machine: %v", err))
}
if err := m.Start(ctx); err != nil {
panic(fmt.Errorf("failed to initialize machine: %v", err))
}
ip := m.Cfg.NetworkInterfaces[0].StaticConfiguration.IPConfiguration.IPAddr.IP
log.Printf("IP: %s", ip.String())
// defer m.StopVMM()
agent := agentConfig{ip: ip.String(), secret: secret}
if err := agent.waitForAgent(); err != nil {
log.Panic(err)
}
go func() {
ctx := context.Background()
if err := m.Wait(ctx); err != nil {
panic(err)
}
os.Remove(cfg.SocketPath)
}()
// if err := m.Wait(ctx); err != nil {
// panic(err)
// }
return vmid, agent, m
}
type agentConfig struct {
ip string
secret string
}
func (a agentConfig) request() *http.Request {
req, err := http.NewRequest("GET", "http://"+a.ip+":8080/hello", nil)
req.Header.Set("Authorization", "Bearer "+a.secret)
if err != nil {
panic(err)
}
return req
}
func (a agentConfig) run(script []byte) error {
req, err := http.NewRequest("POST", "http://"+a.ip+":8080/run", bytes.NewBuffer(script))
req.Header.Set("Authorization", "Bearer "+a.secret)
if err != nil {
panic(err)
}
res, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
byt, err := ioutil.ReadAll(res.Body)
if err != nil {
return err
}
log.Println("[QIOdLqxLoKIMQ0uGoxNuu]", string(byt))
return nil
}
func (a agentConfig) off() error {
return a.run([]byte("#!/bin/sh\nreboot"))
}
func (a agentConfig) waitForAgent() error {
client := http.Client{
Timeout: time.Millisecond * 50,
}
for {
log.Println("waiting for agent to come up...")
req := a.request()
req.Method = "GET"
req.URL.Path = "/hello"
resp, err := client.Do(req)
if err != nil {
time.Sleep(time.Millisecond * 200)
continue
}
if resp.StatusCode != http.StatusOK {
log.Println("Agent is failing", resp)
return errors.New("Agent is failing")
}
break
}
return nil
}