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bmc_server.go
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bmc_server.go
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package virtualbmc
import (
"bytes"
"context"
"fmt"
"net"
"net/http"
"os"
"time"
"github.com/cybozu-go/log"
"github.com/cybozu-go/well"
"github.com/gin-gonic/gin"
)
// Machine defines the interface to manipulate Machine
type Machine interface {
PowerStatus() (PowerStatus, error)
PowerOn() error
PowerOff() error
}
type PowerStatus string
const (
PowerStatusOn = PowerStatus("On")
PowerStatusPoweringOn = PowerStatus("PoweringOn")
PowerStatusOff = PowerStatus("Off")
PowerStatusPoweringOff = PowerStatus("PoweringOff")
PowerStatusUnknown = PowerStatus("")
)
// StartIPMIServer starts an ipmi server that handles RMCP requests
func StartIPMIServer(ctx context.Context, conn net.PacketConn, machine Machine) error {
go func() {
<-ctx.Done()
conn.Close()
}()
session := newRMCPPlusSessionHolder()
bmcUser := newBMCUserHolder()
bmcUser.addBMCUser("cybozu", "cybozu")
buf := make([]byte, 1024)
for {
_, addr, err := conn.ReadFrom(buf)
if err != nil {
return err
}
bytebuf := bytes.NewBuffer(buf)
res, err := handleRMCPRequest(bytebuf, machine, session, bmcUser)
if err != nil {
log.Warn("failed to handle RMCP request", map[string]interface{}{
log.FnError: err,
})
continue
}
_, err = conn.WriteTo(res, addr)
if err != nil {
log.Warn("failed to write to UDP", map[string]interface{}{
log.FnError: err,
})
continue
}
}
}
// StartRedfishServer starts a redfish server
func StartRedfishServer(ctx context.Context, listener net.Listener, outDir string, machine Machine) error {
serv := &well.HTTPServer{
Server: &http.Server{
Handler: prepareRouter(machine),
},
}
cert, key, err := generateCertificate("placemat.com", outDir, 36500*24*time.Hour)
if err != nil {
return fmt.Errorf("failed to generate certificate: %w", err)
}
go func() {
<-ctx.Done()
listener.Close()
serv.Close()
os.Remove(cert)
os.Remove(key)
}()
if err := serv.ServeTLS(listener, cert, key); err != nil {
return err
}
return nil
}
func prepareRouter(machine Machine) http.Handler {
router := gin.Default()
router.GET("/", func(c *gin.Context) {
c.JSON(http.StatusOK, nil)
})
router.GET("redfish/v1", handleServiceRoot)
router.GET("redfish/v1/", handleServiceRoot)
authorized := router.Group("/", gin.BasicAuth(gin.Accounts{
"cybozu": "cybozu",
}))
redfish := newRedfishServer(machine)
authorized.GET("redfish/v1/Chassis", handleChassisCollection)
authorized.GET("redfish/v1/Chassis/:id", redfish.handleChassis)
authorized.POST("redfish/v1/Chassis/:id/Actions/Chassis.Reset", redfish.handleChassisActionsReset)
authorized.GET("redfish/v1/Systems", handleComputerSystemCollection)
authorized.GET("redfish/v1/Systems/:id", redfish.handleComputerSystem)
authorized.POST("redfish/v1/Systems/:id/Actions/ComputerSystem.Reset", redfish.handleComputerSystemActionsReset)
return router
}