func (srv *Server) describeInstances(w http.ResponseWriter, req *http.Request, reqId string) interface{} {
srv.mu.Lock()
defer srv.mu.Unlock()
insts := make(map[*Instance]bool)
for name, vals := range req.Form {
if !strings.HasPrefix(name, "InstanceId.") {
continue
}
inst := srv.instances[vals[0]]
if inst == nil {
fatalf(400, "InvalidInstanceID.NotFound", "instance %q not found", vals[0])
}
insts[inst] = true
}
f := newFilter(req.Form)
var resp ec2.InstancesResp
resp.RequestId = reqId
for _, r := range srv.reservations {
var instances []ec2.Instance
var groups []ec2.SecurityGroup
for _, g := range r.groups {
groups = append(groups, g.ec2SecurityGroup())
}
for _, inst := range r.instances {
if len(insts) > 0 && !insts[inst] {
continue
}
// make instances in state "shutting-down" to transition
// to "terminated" first, so we can simulate: shutdown,
// subsequent refresh of the state with Instances(),
// terminated.
if inst.state == ShuttingDown {
inst.state = Terminated
}
ok, err := f.ok(inst)
if ok {
instance := inst.ec2instance()
instance.SecurityGroups = groups
instances = append(instances, instance)
} else if err != nil {
fatalf(400, "InvalidParameterValue", "describe instances: %v", err)
}
}
if len(instances) > 0 {
resp.Reservations = append(resp.Reservations, ec2.Reservation{
ReservationId: r.id,
OwnerId: ownerId,
Instances: instances,
SecurityGroups: groups,
})
}
}
return &resp
}
func (srv *Server) describeInstances(w http.ResponseWriter, req *http.Request, reqId string) interface{} {
srv.mu.Lock()
defer srv.mu.Unlock()
insts := make(map[*Instance]bool)
for name, vals := range req.Form {
if !strings.HasPrefix(name, "InstanceId.") {
continue
}
inst := srv.instances[vals[0]]
if inst == nil {
fatalf(400, "InvalidInstanceID.NotFound", "instance %q not found", vals[0])
}
insts[inst] = true
}
f := newFilter(req.Form)
var resp ec2.InstancesResp
resp.RequestId = reqId
for _, r := range srv.reservations {
var instances []ec2.Instance
for _, inst := range r.instances {
if len(insts) > 0 && !insts[inst] {
continue
}
ok, err := f.ok(inst)
if ok {
instances = append(instances, inst.ec2instance())
} else if err != nil {
fatalf(400, "InvalidParameterValue", "describe instances: %v", err)
}
}
if len(instances) > 0 {
var groups []ec2.SecurityGroup
for _, g := range r.groups {
groups = append(groups, g.ec2SecurityGroup())
}
resp.Reservations = append(resp.Reservations, ec2.Reservation{
ReservationId: r.id,
OwnerId: ownerId,
Instances: instances,
SecurityGroups: groups,
})
}
}
return &resp
}