Version: v1.0.3 Latest Latest

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Published: Jul 20, 2015 License: Apache-2.0 Imports: 22 Imported by: 0




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const ProviderName = "aws"
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const TagNameKubernetesCluster = "KubernetesCluster"

The tag name we use to differentiate multiple logically independent clusters running in the same AZ


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type ASG added in v1.0.2

This is a simple pass-through of the Autoscaling client interface, which allows for testing

type AWSCloud

type AWSCloud struct {
	// contains filtered or unexported fields

AWSCloud is an implementation of Interface, TCPLoadBalancer and Instances for Amazon Web Services.

func (*AWSCloud) AddSSHKeyToAllInstances added in v1.0.2

func (self *AWSCloud) AddSSHKeyToAllInstances(user string, keyData []byte) error

func (*AWSCloud) AttachDisk added in v0.5.1

func (aws *AWSCloud) AttachDisk(instanceName string, diskName string, readOnly bool) (string, error)

Implements Volumes.AttachDisk

func (*AWSCloud) Clusters added in v0.2.1

func (aws *AWSCloud) Clusters() (cloudprovider.Clusters, bool)

func (*AWSCloud) Configure added in v0.5.2

func (v *AWSCloud) Configure(name string, spec *api.NodeSpec) error

func (*AWSCloud) CreateRoute added in v1.0.2

func (s *AWSCloud) CreateRoute(clusterName string, nameHint string, route *cloudprovider.Route) error

CreateRoute implements Routes.CreateRoute Create the described route

func (*AWSCloud) CreateTCPLoadBalancer added in v1.0.2

func (s *AWSCloud) CreateTCPLoadBalancer(name, region string, publicIP net.IP, ports []*api.ServicePort, hosts []string, affinity api.ServiceAffinity) (*api.LoadBalancerStatus, error)

CreateTCPLoadBalancer implements TCPLoadBalancer.CreateTCPLoadBalancer TODO(justinsb): This must be idempotent TODO(justinsb) It is weird that these take a region. I suspect it won't work cross-region anwyay.

func (*AWSCloud) CreateVolume added in v0.5.1

func (aws *AWSCloud) CreateVolume(volumeOptions *VolumeOptions) (string, error)

Implements Volumes.CreateVolume

func (*AWSCloud) CurrentNodeName added in v1.0.2

func (a *AWSCloud) CurrentNodeName(hostname string) (string, error)

func (*AWSCloud) DeleteRoute added in v1.0.2

func (s *AWSCloud) DeleteRoute(clusterName string, route *cloudprovider.Route) error

DeleteRoute implements Routes.DeleteRoute Delete the specified route

func (*AWSCloud) DeleteVolume added in v0.5.1

func (aws *AWSCloud) DeleteVolume(volumeName string) error

Implements Volumes.DeleteVolume

func (*AWSCloud) DescribeInstanceGroup added in v1.0.2

func (a *AWSCloud) DescribeInstanceGroup(instanceGroupName string) (InstanceGroupInfo, error)

Implement InstanceGroups.DescribeInstanceGroup Queries the cloud provider for information about the specified instance group

func (*AWSCloud) DetachDisk added in v0.5.1

func (aws *AWSCloud) DetachDisk(instanceName string, diskName string) error

Implements Volumes.DetachDisk

func (*AWSCloud) EnsureTCPLoadBalancerDeleted added in v1.0.2

func (s *AWSCloud) EnsureTCPLoadBalancerDeleted(name, region string) error

EnsureTCPLoadBalancerDeleted implements TCPLoadBalancer.EnsureTCPLoadBalancerDeleted.

func (*AWSCloud) ExternalID added in v0.4.2

func (aws *AWSCloud) ExternalID(name string) (string, error)

ExternalID returns the cloud provider ID of the specified instance (deprecated). Note that if the instance does not exist or is no longer running, we must return ("", cloudprovider.InstanceNotFound)

func (*AWSCloud) GetNodeResources

func (aws *AWSCloud) GetNodeResources(name string) (*api.NodeResources, error)

GetNodeResources implements Instances.GetNodeResources

func (*AWSCloud) GetTCPLoadBalancer added in v1.0.2

func (s *AWSCloud) GetTCPLoadBalancer(name, region string) (*api.LoadBalancerStatus, bool, error)

GetTCPLoadBalancer is an implementation of TCPLoadBalancer.GetTCPLoadBalancer

func (*AWSCloud) GetZone added in v0.4.2

func (self *AWSCloud) GetZone() (cloudprovider.Zone, error)

GetZone implements Zones.GetZone

func (*AWSCloud) InstanceID added in v1.0.2

func (aws *AWSCloud) InstanceID(name string) (string, error)

InstanceID returns the cloud provider ID of the specified instance.

func (*AWSCloud) Instances

func (aws *AWSCloud) Instances() (cloudprovider.Instances, bool)

Instances returns an implementation of Instances for Amazon Web Services.

func (*AWSCloud) List

func (aws *AWSCloud) List(filter string) ([]string, error)

List is an implementation of Instances.List.

func (*AWSCloud) ListRoutes added in v1.0.2

func (s *AWSCloud) ListRoutes(clusterName string) ([]*cloudprovider.Route, error)

ListRoutes implements Routes.ListRoutes List all routes that match the filter

func (*AWSCloud) NodeAddresses added in v0.4.2

func (aws *AWSCloud) NodeAddresses(name string) ([]api.NodeAddress, error)

NodeAddresses is an implementation of Instances.NodeAddresses.

func (*AWSCloud) ProviderName added in v1.0.2

func (aws *AWSCloud) ProviderName() string

ProviderName returns the cloud provider ID.

func (*AWSCloud) Release added in v0.5.2

func (v *AWSCloud) Release(name string) error

func (*AWSCloud) ResizeInstanceGroup added in v1.0.2

func (a *AWSCloud) ResizeInstanceGroup(instanceGroupName string, size int) error

Implement InstanceGroups.ResizeInstanceGroup Set the size to the fixed size

func (*AWSCloud) Routes added in v0.5.3

func (aws *AWSCloud) Routes() (cloudprovider.Routes, bool)

Routes returns an implementation of Routes for Amazon Web Services.

func (*AWSCloud) TCPLoadBalancer

func (s *AWSCloud) TCPLoadBalancer() (cloudprovider.TCPLoadBalancer, bool)

TCPLoadBalancer returns an implementation of TCPLoadBalancer for Amazon Web Services.

func (*AWSCloud) TCPLoadBalancerExists added in v1.0.2

func (self *AWSCloud) TCPLoadBalancerExists(name, region string) (bool, error)

TCPLoadBalancerExists implements TCPLoadBalancer.TCPLoadBalancerExists.

func (*AWSCloud) UpdateTCPLoadBalancer added in v1.0.2

func (s *AWSCloud) UpdateTCPLoadBalancer(name, region string, hosts []string) error

UpdateTCPLoadBalancer implements TCPLoadBalancer.UpdateTCPLoadBalancer

func (*AWSCloud) Zones

func (aws *AWSCloud) Zones() (cloudprovider.Zones, bool)

Zones returns an implementation of Zones for Amazon Web Services.

type AWSCloudConfig

type AWSCloudConfig struct {
	Global struct {
		// TODO: Is there any use for this?  We can get it from the instance metadata service
		// Maybe if we're not running on AWS, e.g. bootstrap; for now it is not very useful
		Zone string

		KubernetesClusterTag string

type AWSMetadata added in v0.4.4

type AWSMetadata interface {
	// Query the EC2 metadata service (used to discover instance-id etc)
	GetMetaData(key string) ([]byte, error)

Abstraction over the AWS metadata service

type AWSServices added in v1.0.2

type AWSServices interface {
	Compute(region string) (EC2, error)
	LoadBalancing(region string) (ELB, error)
	Autoscaling(region string) (ASG, error)
	Metadata() AWSMetadata

Abstraction over AWS, to allow mocking/other implementations

type EC2

type EC2 interface {
	// Query EC2 for instances matching the filter
	DescribeInstances(request *ec2.DescribeInstancesInput) ([]*ec2.Instance, error)

	// Attach a volume to an instance
	AttachVolume(volumeID, instanceId, mountDevice string) (resp *ec2.VolumeAttachment, err error)
	// Detach a volume from an instance it is attached to
	DetachVolume(request *ec2.DetachVolumeInput) (resp *ec2.VolumeAttachment, err error)
	// Lists volumes
	DescribeVolumes(request *ec2.DescribeVolumesInput) ([]*ec2.Volume, error)
	// Create an EBS volume
	CreateVolume(request *ec2.CreateVolumeInput) (resp *ec2.Volume, err error)
	// Delete an EBS volume
	DeleteVolume(volumeID string) (resp *ec2.DeleteVolumeOutput, err error)

	DescribeSecurityGroups(request *ec2.DescribeSecurityGroupsInput) ([]*ec2.SecurityGroup, error)

	CreateSecurityGroup(*ec2.CreateSecurityGroupInput) (*ec2.CreateSecurityGroupOutput, error)
	DeleteSecurityGroup(request *ec2.DeleteSecurityGroupInput) (*ec2.DeleteSecurityGroupOutput, error)

	AuthorizeSecurityGroupIngress(*ec2.AuthorizeSecurityGroupIngressInput) (*ec2.AuthorizeSecurityGroupIngressOutput, error)
	RevokeSecurityGroupIngress(*ec2.RevokeSecurityGroupIngressInput) (*ec2.RevokeSecurityGroupIngressOutput, error)

	DescribeVPCs(*ec2.DescribeVPCsInput) ([]*ec2.VPC, error)

	DescribeSubnets(*ec2.DescribeSubnetsInput) ([]*ec2.Subnet, error)

	CreateTags(*ec2.CreateTagsInput) (*ec2.CreateTagsOutput, error)

	DescribeRouteTables(request *ec2.DescribeRouteTablesInput) ([]*ec2.RouteTable, error)
	CreateRoute(request *ec2.CreateRouteInput) (*ec2.CreateRouteOutput, error)
	DeleteRoute(request *ec2.DeleteRouteInput) (*ec2.DeleteRouteOutput, error)

	ModifyInstanceAttribute(request *ec2.ModifyInstanceAttributeInput) (*ec2.ModifyInstanceAttributeOutput, error)

TODO: Should we rename this to AWS (EBS & ELB are not technically part of EC2) Abstraction over EC2, to allow mocking/other implementations Note that the DescribeX functions return a list, so callers don't need to deal with paging

type ELB added in v1.0.2

This is a simple pass-through of the ELB client interface, which allows for testing

type InstanceGroupInfo added in v1.0.2

type InstanceGroupInfo interface {
	// The number of instances currently running under control of this group
	CurrentSize() (int, error)

InstanceGroupInfo is returned by InstanceGroups.Describe, and exposes information about the group.

type InstanceGroups added in v1.0.2

type InstanceGroups interface {
	// Set the size to the fixed size
	ResizeInstanceGroup(instanceGroupName string, size int) error
	// Queries the cloud provider for information about the specified instance group
	DescribeInstanceGroup(instanceGroupName string) (InstanceGroupInfo, error)

InstanceGroups is an interface for managing cloud-managed instance groups / autoscaling instance groups TODO: Allow other clouds to implement this

type VolumeOptions added in v0.5.1

type VolumeOptions struct {
	CapacityMB int

type Volumes added in v0.5.1

type Volumes interface {
	// Attach the disk to the specified instance
	// instanceName can be empty to mean "the instance on which we are running"
	// Returns the device (e.g. /dev/xvdf) where we attached the volume
	AttachDisk(instanceName string, volumeName string, readOnly bool) (string, error)
	// Detach the disk from the specified instance
	// instanceName can be empty to mean "the instance on which we are running"
	DetachDisk(instanceName string, volumeName string) error

	// Create a volume with the specified options
	CreateVolume(volumeOptions *VolumeOptions) (volumeName string, err error)
	DeleteVolume(volumeName string) error

Volumes is an interface for managing cloud-provisioned volumes TODO: Allow other clouds to implement this

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