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InstanceTypeByProviderID

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This commit is contained in:
ublubu 2017-06-04 20:59:13 -04:00
parent 17783afc94
commit baa85c830a
1 changed files with 24 additions and 1 deletions
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25
pkg/cloudprovider/providers/aws/aws.go
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@ -1111,7 +1111,16 @@ func (c *Cloud) InstanceID(nodeName types.NodeName) (string, error) {
// This method will not be called from the node that is requesting this ID. i.e. metadata service
// and other local methods cannot be used here
func (c *Cloud) InstanceTypeByProviderID(providerID string) (string, error) {
return "", errors.New("unimplemented")
// In AWS, we're using the instanceID as the providerID.
instanceID := providerID
instance, error := c.describeInstanceByInstanceID(instanceID)
if error != nil {
return "", error
}
return aws.StringValue(instance.InstanceType), nil
}
// InstanceType returns the type of the node with the specified nodeName.
@ -3397,6 +3406,20 @@ func (c *Cloud) describeInstancesByInstanceID(instanceID string) ([]*ec2.Instanc
return c.describeInstances(filters)
}
func (c *Cloud) describeInstanceByInstanceID(instanceID string) (*ec2.Instance, error) {
filters := []*ec2.Filter{newEc2Filter("instance-id", instanceID)}
instances, err := c.describeInstances(filters)
if err != nil {
return nil, err
}
if len(instances) != 1 {
return nil, fmt.Errorf("expected 1 instance, found %d for instanceID %s", len(instances), instanceID)
}
return instances[0], nil
}
func (c *Cloud) describeInstances(filters []*ec2.Filter) ([]*ec2.Instance, error) {
filters = c.tagging.addFilters(filters)
request := &ec2.DescribeInstancesInput{