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api.go
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api.go
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package metadatad
import (
"io"
"net"
"net/http"
"github.com/Cloud-Foundations/Dominator/hypervisor/manager"
"github.com/Cloud-Foundations/Dominator/lib/log"
proto "github.com/Cloud-Foundations/Dominator/proto/hypervisor"
)
type rawHandlerFunc func(w http.ResponseWriter, ipAddr net.IP)
type metadataWriter func(writer io.Writer, vmInfo proto.VmInfo) error
type server struct {
bridges []net.Interface
hypervisorPortNum uint
manager *manager.Manager
logger log.DebugLogger
infoHandlers map[string]metadataWriter
rawHandlers map[string]rawHandlerFunc
paths map[string]struct{}
}
func StartServer(hypervisorPortNum uint, bridges []net.Interface,
managerObj *manager.Manager, logger log.DebugLogger) error {
s := &server{
bridges: bridges,
hypervisorPortNum: hypervisorPortNum,
manager: managerObj,
logger: logger,
}
s.infoHandlers = map[string]metadataWriter{
"/latest/dynamic/epoch-time": s.showTime,
"/latest/dynamic/instance-identity/document": s.showVM,
}
s.rawHandlers = map[string]rawHandlerFunc{
"/datasource/SmallStack": s.showTrue,
"/latest/is-externally-patchable": s.showTrue,
"/latest/user-data": s.showUserData,
}
s.computePaths()
return s.startServer()
}