// SpotInstanceStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// an EC2 spot instance request
func SpotInstanceStateRefreshFunc(
conn *ec2.EC2, sir ec2.SpotInstanceRequest) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
resp, err := conn.DescribeSpotInstanceRequests(&ec2.DescribeSpotInstanceRequestsInput{
SpotInstanceRequestIDs: []*string{sir.SpotInstanceRequestID},
})
if err != nil {
if ec2err, ok := err.(awserr.Error); ok && ec2err.Code() == "InvalidSpotInstanceRequestID.NotFound" {
// Set this to nil as if we didn't find anything.
resp = nil
} else {
log.Printf("Error on StateRefresh: %s", err)
return nil, "", err
}
}
if resp == nil || len(resp.SpotInstanceRequests) == 0 {
// Sometimes AWS just has consistency issues and doesn't see
// our request yet. Return an empty state.
return nil, "", nil
}
req := resp.SpotInstanceRequests[0]
return req, *req.Status.Code, nil
}
}
// SpotRequestStateRefreshFunc returns a StateRefreshFunc that is used to watch
// a spot request for state changes.
func SpotRequestStateRefreshFunc(conn *ec2.EC2, spotRequestId string) StateRefreshFunc {
return func() (interface{}, string, error) {
resp, err := conn.DescribeSpotInstanceRequests(&ec2.DescribeSpotInstanceRequestsInput{
SpotInstanceRequestIDs: []*string{&spotRequestId},
})
if err != nil {
if ec2err, ok := err.(awserr.Error); ok && ec2err.Code() == "InvalidSpotInstanceRequestID.NotFound" {
// Set this to nil as if we didn't find anything.
resp = nil
} else if isTransientNetworkError(err) {
// Transient network error, treat it as if we didn't find anything
resp = nil
} else {
log.Printf("Error on SpotRequestStateRefresh: %s", err)
return nil, "", err
}
}
if resp == nil || len(resp.SpotInstanceRequests) == 0 {
// Sometimes AWS has consistency issues and doesn't see the
// SpotRequest. Return an empty state.
return nil, "", nil
}
i := resp.SpotInstanceRequests[0]
return i, *i.State, nil
}
}
// Describes all available Spot instance requests for the user
// Other input parameters can be configured by uncommenting the appropriate portion of the code
func (p *Parameters) DescribeSpotInstanceRequests(svc *ec2.EC2) (string, error) {
// paramsforReq := &ec2.DescribeSpotInstanceRequestsInput{
// DryRun: aws.Bool(true),
// Filters: []*ec2.Filter{
// { // Required
// Name: aws.String("String"),
// Values: []*string{
// aws.String("String"), // Required
// // More values...
// },
// },
// // More values...
// },
// SpotInstanceRequestIds: []*string{
// aws.String("String"), // Required
// // More values...
// },
// }
resp, err := svc.DescribeSpotInstanceRequests(nil)
if err != nil {
return "", err
}
return fmt.Sprintln(resp), nil
}