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cloud.go
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cloud.go
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/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package openstack
import (
"crypto/tls"
"fmt"
"net/http"
"os"
"strings"
"time"
"github.com/blang/semver/v4"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack"
cinder "github.com/gophercloud/gophercloud/openstack/blockstorage/v3/volumes"
az "github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/availabilityzones"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/keypairs"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/servergroups"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/volumeattach"
"github.com/gophercloud/gophercloud/openstack/compute/v2/flavors"
"github.com/gophercloud/gophercloud/openstack/compute/v2/servers"
"github.com/gophercloud/gophercloud/openstack/dns/v2/recordsets"
"github.com/gophercloud/gophercloud/openstack/dns/v2/zones"
"github.com/gophercloud/gophercloud/openstack/imageservice/v2/images"
"github.com/gophercloud/gophercloud/openstack/loadbalancer/v2/apiversions"
"github.com/gophercloud/gophercloud/openstack/loadbalancer/v2/listeners"
"github.com/gophercloud/gophercloud/openstack/loadbalancer/v2/loadbalancers"
"github.com/gophercloud/gophercloud/openstack/loadbalancer/v2/monitors"
v2pools "github.com/gophercloud/gophercloud/openstack/loadbalancer/v2/pools"
l3floatingip "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/floatingips"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/routers"
sg "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/security/groups"
sgr "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/security/rules"
"github.com/gophercloud/gophercloud/openstack/networking/v2/networks"
"github.com/gophercloud/gophercloud/openstack/networking/v2/ports"
"github.com/gophercloud/gophercloud/openstack/networking/v2/subnets"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/klog/v2"
"k8s.io/kops/dnsprovider/pkg/dnsprovider"
"k8s.io/kops/dnsprovider/pkg/dnsprovider/providers/openstack/designate"
"k8s.io/kops/pkg/apis/kops"
"k8s.io/kops/pkg/cloudinstances"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/util/pkg/vfs"
)
const (
TagNameEtcdClusterPrefix = "k8s.io/etcd/"
TagNameRolePrefix = "k8s.io/role/"
TagClusterName = "KubernetesCluster"
TagRoleControlPlane = "control-plane"
TagRoleMaster = "master"
TagKopsInstanceGroup = "KopsInstanceGroup"
TagKopsNetwork = "KopsNetwork"
TagKopsName = "KopsName"
TagKopsRole = "KopsRole"
ResourceTypePort = "ports"
ResourceTypeNetwork = "networks"
ResourceTypeSubnet = "subnets"
)
// readBackoff is the backoff strategy for openstack read retries.
var readBackoff = wait.Backoff{
Duration: time.Second,
Factor: 1.5,
Jitter: 0.1,
Steps: 10,
}
// writeBackoff is the backoff strategy for openstack write retries.
var writeBackoff = wait.Backoff{
Duration: time.Second,
Factor: 2,
Jitter: 0.1,
Steps: 5,
}
// deleteBackoff is the backoff strategy for openstack delete retries.
var deleteBackoff = wait.Backoff{
Duration: time.Second,
Factor: 5,
Jitter: 0.1,
Steps: 4,
}
type OpenstackCloud interface {
fi.Cloud
ComputeClient() *gophercloud.ServiceClient
BlockStorageClient() *gophercloud.ServiceClient
NetworkingClient() *gophercloud.ServiceClient
LoadBalancerClient() *gophercloud.ServiceClient
DNSClient() *gophercloud.ServiceClient
ImageClient() *gophercloud.ServiceClient
UseOctavia() bool
UseZones([]string)
// GetInstance will return a openstack server provided its ID
GetInstance(id string) (*servers.Server, error)
// ListInstances will return a slice of openstack servers provided list opts
ListInstances(servers.ListOptsBuilder) ([]servers.Server, error)
// CreateInstance will create an openstack server provided create opts
CreateInstance(servers.CreateOptsBuilder, string) (*servers.Server, error)
// DeleteInstanceWithID will delete instance
DeleteInstanceWithID(instanceID string) error
// SetVolumeTags will set the tags for the Cinder volume
SetVolumeTags(id string, tags map[string]string) error
// GetCloudTags will return the tags attached on cloud
GetCloudTags() map[string]string
// ListVolumes will return the Cinder volumes which match the options
ListVolumes(opt cinder.ListOptsBuilder) ([]cinder.Volume, error)
// CreateVolume will create a new Cinder Volume
CreateVolume(opt cinder.CreateOptsBuilder) (*cinder.Volume, error)
AttachVolume(serverID string, opt volumeattach.CreateOpts) (*volumeattach.VolumeAttachment, error)
// DeleteVolume will delete volume
DeleteVolume(volumeID string) error
// ListSecurityGroups will return the Neutron security groups which match the options
ListSecurityGroups(opt sg.ListOpts) ([]sg.SecGroup, error)
// CreateSecurityGroup will create a new Neutron security group
CreateSecurityGroup(opt sg.CreateOptsBuilder) (*sg.SecGroup, error)
// DeleteSecurityGroup will delete securitygroup
DeleteSecurityGroup(sgID string) error
// DeleteSecurityGroupRule will delete securitygrouprule
DeleteSecurityGroupRule(ruleID string) error
// ListSecurityGroupRules will return the Neutron security group rules which match the options
ListSecurityGroupRules(opt sgr.ListOpts) ([]sgr.SecGroupRule, error)
// CreateSecurityGroupRule will create a new Neutron security group rule
CreateSecurityGroupRule(opt sgr.CreateOptsBuilder) (*sgr.SecGroupRule, error)
// GetNetwork will return the Neutron network which match the id
GetNetwork(networkID string) (*networks.Network, error)
// FindNetworkBySubnetID will return network
FindNetworkBySubnetID(subnetID string) (*networks.Network, error)
// GetSubnet returns subnet using subnet id
GetSubnet(subnetID string) (*subnets.Subnet, error)
// ListNetworks will return the Neutron networks which match the options
ListNetworks(opt networks.ListOptsBuilder) ([]networks.Network, error)
// GetExternalNetwork will return the Neutron networks with the router:external property
GetExternalNetwork() (*networks.Network, error)
// GetExternalSubnet will return the subnet for floatingip which is used in external router
GetExternalSubnet() (*subnets.Subnet, error)
// GetLBFloatingSubnet will return the subnet for floatingip which is used in lb
GetLBFloatingSubnet() (*subnets.Subnet, error)
// CreateNetwork will create a new Neutron network
CreateNetwork(opt networks.CreateOptsBuilder) (*networks.Network, error)
// DeleteNetwork will delete neutron network
DeleteNetwork(networkID string) error
// AppendTag appends tag to resource
AppendTag(resource string, id string, tag string) error
// DeleteTag removes tag from resource
DeleteTag(resource string, id string, tag string) error
// ListRouters will return the Neutron routers which match the options
ListRouters(opt routers.ListOpts) ([]routers.Router, error)
// CreateRouter will create a new Neutron router
CreateRouter(opt routers.CreateOptsBuilder) (*routers.Router, error)
// DeleteRouter will delete neutron router
DeleteRouter(routerID string) error
// DeleteSubnet will delete neutron subnet
DeleteSubnet(subnetID string) error
// ListSubnets will return the Neutron subnets which match the options
ListSubnets(opt subnets.ListOptsBuilder) ([]subnets.Subnet, error)
// CreateSubnet will create a new Neutron subnet
CreateSubnet(opt subnets.CreateOptsBuilder) (*subnets.Subnet, error)
// GetKeypair will return the Nova keypair
GetKeypair(name string) (*keypairs.KeyPair, error)
// ListKeypairs will return the all Nova keypairs
ListKeypairs() ([]keypairs.KeyPair, error)
// DeleteKeyPair will delete a Nova keypair
DeleteKeyPair(name string) error
// CreateKeypair will create a new Nova Keypair
CreateKeypair(opt keypairs.CreateOptsBuilder) (*keypairs.KeyPair, error)
CreatePort(opt ports.CreateOptsBuilder) (*ports.Port, error)
// GetPort will return a Neutron port by ID
GetPort(id string) (*ports.Port, error)
// UpdatePort will update a Neutron port by ID and options
UpdatePort(id string, opt ports.UpdateOptsBuilder) (*ports.Port, error)
// ListPorts will return the Neutron ports which match the options
ListPorts(opt ports.ListOptsBuilder) ([]ports.Port, error)
// DeletePort will delete a neutron port
DeletePort(portID string) error
// CreateRouterInterface will create a new Neutron router interface
CreateRouterInterface(routerID string, opt routers.AddInterfaceOptsBuilder) (*routers.InterfaceInfo, error)
// DeleteRouterInterface will delete router interface from subnet
DeleteRouterInterface(routerID string, opt routers.RemoveInterfaceOptsBuilder) error
// CreateServerGroup will create a new server group.
CreateServerGroup(opt servergroups.CreateOptsBuilder) (*servergroups.ServerGroup, error)
// ListServerGroups will list available server groups
ListServerGroups(opts servergroups.ListOptsBuilder) ([]servergroups.ServerGroup, error)
// DeleteServerGroup will delete a nova server group
DeleteServerGroup(groupID string) error
// ListDNSZones will list available DNS zones
ListDNSZones(opt zones.ListOptsBuilder) ([]zones.Zone, error)
// ListDNSRecordsets will list the DNS recordsets for the given zone id
ListDNSRecordsets(zoneID string, opt recordsets.ListOptsBuilder) ([]recordsets.RecordSet, error)
DeleteDNSRecordset(zoneID string, rrsetID string) error
GetLB(loadbalancerID string) (*loadbalancers.LoadBalancer, error)
GetLBStats(loadbalancerID string) (*loadbalancers.Stats, error)
CreateLB(opt loadbalancers.CreateOptsBuilder) (*loadbalancers.LoadBalancer, error)
ListLBs(opt loadbalancers.ListOptsBuilder) ([]loadbalancers.LoadBalancer, error)
UpdateMemberInPool(poolID string, memberID string, opts v2pools.UpdateMemberOptsBuilder) (*v2pools.Member, error)
ListPoolMembers(poolID string, opts v2pools.ListMembersOpts) ([]v2pools.Member, error)
// DeleteLB will delete loadbalancer
DeleteLB(lbID string, opt loadbalancers.DeleteOpts) error
// DefaultInstanceType determines a suitable instance type for the specified instance group
DefaultInstanceType(cluster *kops.Cluster, ig *kops.InstanceGroup) (string, error)
// Returns the availability zones for the service client passed (compute, volume, network)
ListAvailabilityZones(serviceClient *gophercloud.ServiceClient) ([]az.AvailabilityZone, error)
AssociateToPool(server *servers.Server, poolID string, opts v2pools.CreateMemberOpts) (*v2pools.Member, error)
CreatePool(opts v2pools.CreateOpts) (*v2pools.Pool, error)
CreatePoolMonitor(opts monitors.CreateOpts) (*monitors.Monitor, error)
GetPool(poolID string) (*v2pools.Pool, error)
GetPoolMember(poolID string, memberID string) (*v2pools.Member, error)
ListPools(v2pools.ListOpts) ([]v2pools.Pool, error)
// ListMonitors will list HealthMonitors matching the provided options
ListMonitors(monitors.ListOpts) ([]monitors.Monitor, error)
// DeleteMonitor will delete a Pool resources Health Monitor
DeleteMonitor(monitorID string) error
// DeletePool will delete loadbalancer pool
DeletePool(poolID string) error
ListListeners(opts listeners.ListOpts) ([]listeners.Listener, error)
CreateListener(opts listeners.CreateOpts) (*listeners.Listener, error)
// DeleteListener will delete loadbalancer listener
DeleteListener(listenerID string) error
GetStorageAZFromCompute(azName string) (*az.AvailabilityZone, error)
GetL3FloatingIP(id string) (fip *l3floatingip.FloatingIP, err error)
GetImage(name string) (i *images.Image, err error)
GetFlavor(name string) (f *flavors.Flavor, err error)
ListServerFloatingIPs(id string) ([]*string, error)
ListL3FloatingIPs(opts l3floatingip.ListOpts) (fips []l3floatingip.FloatingIP, err error)
CreateL3FloatingIP(opts l3floatingip.CreateOpts) (fip *l3floatingip.FloatingIP, err error)
DeleteFloatingIP(id string) error
DeleteL3FloatingIP(id string) error
UseLoadBalancerVIPACL() (bool, error)
}
type openstackCloud struct {
cinderClient *gophercloud.ServiceClient
neutronClient *gophercloud.ServiceClient
novaClient *gophercloud.ServiceClient
dnsClient *gophercloud.ServiceClient
lbClient *gophercloud.ServiceClient
glanceClient *gophercloud.ServiceClient
extNetworkName *string
extSubnetName *string
floatingSubnet *string
tags map[string]string
region string
useOctavia bool
zones []string
floatingEnabled bool
useVIPACL *bool
}
var _ fi.Cloud = &openstackCloud{}
var openstackCloudInstances = make(map[string]OpenstackCloud)
func NewOpenstackCloud(cluster *kops.Cluster, uagent string) (OpenstackCloud, error) {
config := vfs.OpenstackConfig{}
region, err := config.GetRegion()
if err != nil {
return nil, fmt.Errorf("error finding openstack region: %v", err)
}
raw := openstackCloudInstances[region]
if raw != nil {
return raw, nil
}
authOption, err := config.GetCredential()
if err != nil {
return nil, err
}
provider, err := openstack.NewClient(authOption.IdentityEndpoint)
if err != nil {
return nil, fmt.Errorf("error building openstack provider client: %v", err)
}
ua := gophercloud.UserAgent{}
ua.Prepend(fmt.Sprintf("kops/%s", uagent))
provider.UserAgent = ua
klog.V(4).Infof("Using user-agent %s", ua.Join())
if cluster != nil && cluster.Spec.CloudProvider.Openstack != nil && cluster.Spec.CloudProvider.Openstack.InsecureSkipVerify != nil {
tlsconfig := &tls.Config{}
tlsconfig.InsecureSkipVerify = fi.ValueOf(cluster.Spec.CloudProvider.Openstack.InsecureSkipVerify)
transport := &http.Transport{TLSClientConfig: tlsconfig}
provider.HTTPClient = http.Client{
Transport: transport,
}
}
klog.V(2).Info("authenticating to keystone")
err = openstack.Authenticate(provider, authOption)
if err != nil {
return nil, fmt.Errorf("error building openstack authenticated client: %v", err)
}
if cluster != nil {
hasDNS := cluster.PublishesDNSRecords()
tags := map[string]string{
TagClusterName: cluster.Name,
}
return buildClients(provider, tags, cluster.Spec.CloudProvider.Openstack, config, region, hasDNS)
}
// used by protokube
return buildClients(provider, nil, nil, config, region, false)
}
func buildClients(provider *gophercloud.ProviderClient, tags map[string]string, spec *kops.OpenstackSpec, config vfs.OpenstackConfig, region string, hasDNS bool) (OpenstackCloud, error) {
cinderClient, err := openstack.NewBlockStorageV3(provider, gophercloud.EndpointOpts{
Type: "volumev3",
Region: region,
})
if err != nil {
return nil, fmt.Errorf("error building cinder client: %w", err)
}
neutronClient, err := openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{
Type: "network",
Region: region,
})
if err != nil {
return nil, fmt.Errorf("error building neutron client: %w", err)
}
novaClient, err := openstack.NewComputeV2(provider, gophercloud.EndpointOpts{
Type: "compute",
Region: region,
})
if err != nil {
return nil, fmt.Errorf("error building nova client: %w", err)
}
// 2.47 is the minimum version where the compute API /server/details returns flavor names
novaClient.Microversion = "2.47"
glanceClient, err := openstack.NewImageServiceV2(provider, gophercloud.EndpointOpts{
Type: "image",
Region: region,
})
if err != nil {
return nil, fmt.Errorf("error building glance client: %w", err)
}
var dnsClient *gophercloud.ServiceClient
if hasDNS {
dnsClient, err = openstack.NewDNSV2(provider, gophercloud.EndpointOpts{
Type: "dns",
Region: region,
})
if err != nil {
return nil, fmt.Errorf("error building dns client: %w", err)
}
}
c := &openstackCloud{
cinderClient: cinderClient,
neutronClient: neutronClient,
novaClient: novaClient,
dnsClient: dnsClient,
glanceClient: glanceClient,
tags: tags,
region: region,
useOctavia: false,
}
setFloatingIPSupport(c, spec)
err = buildLoadBalancerClient(c, spec, provider, region)
if err != nil {
return nil, fmt.Errorf("failed to build load balancer client: %w", err)
}
openstackCloudInstances[region] = c
return c, nil
}
func setFloatingIPSupport(c *openstackCloud, spec *kops.OpenstackSpec) {
if spec == nil || spec.Router == nil {
c.floatingEnabled = false
klog.V(2).Infof("Floating IP support for OpenStack disabled")
return
}
c.floatingEnabled = true
c.extNetworkName = spec.Router.ExternalNetwork
if spec.Router.ExternalSubnet != nil {
c.extSubnetName = spec.Router.ExternalSubnet
}
}
func buildLoadBalancerClient(c *openstackCloud, spec *kops.OpenstackSpec, provider *gophercloud.ProviderClient, region string) error {
if spec == nil || spec.Loadbalancer == nil {
klog.V(2).Infof("Loadbalancer support for OpenStack disabled")
return nil
}
octavia := false
if spec.Router != nil {
if spec.Loadbalancer.FloatingNetworkID == nil &&
spec.Loadbalancer.FloatingNetwork != nil {
// This field is derived
lbNet, err := c.ListNetworks(networks.ListOpts{
Name: fi.ValueOf(spec.Loadbalancer.FloatingNetwork),
})
if err != nil || len(lbNet) != 1 {
return fmt.Errorf("could not establish floating network id")
}
spec.Loadbalancer.FloatingNetworkID = fi.PtrTo(lbNet[0].ID)
}
if spec.Loadbalancer.UseOctavia != nil {
octavia = fi.ValueOf(spec.Loadbalancer.UseOctavia)
}
if spec.Loadbalancer.FloatingSubnet != nil {
c.floatingSubnet = spec.Loadbalancer.FloatingSubnet
}
} else if fi.ValueOf(spec.Loadbalancer.UseOctavia) {
return fmt.Errorf("cluster configured to use octavia, but router was not configured")
}
c.useOctavia = octavia
var lbClient *gophercloud.ServiceClient
if octavia {
klog.V(2).Infof("Openstack using Octavia lbaasv2 api")
client, err := openstack.NewLoadBalancerV2(provider, gophercloud.EndpointOpts{
Region: region,
})
if err != nil {
return fmt.Errorf("error building lb client: %w", err)
}
lbClient = client
} else {
klog.V(2).Infof("Openstack using deprecated lbaasv2 api")
client, err := openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{
Region: region,
})
if err != nil {
return fmt.Errorf("error building lb client: %w", err)
}
lbClient = client
}
c.lbClient = lbClient
return nil
}
// UseZones add unique zone names to openstackcloud
func (c *openstackCloud) UseZones(zones []string) {
c.zones = zones
}
func (c *openstackCloud) UseOctavia() bool {
return c.useOctavia
}
func (c *openstackCloud) ComputeClient() *gophercloud.ServiceClient {
return c.novaClient
}
func (c *openstackCloud) BlockStorageClient() *gophercloud.ServiceClient {
return c.cinderClient
}
func (c *openstackCloud) NetworkingClient() *gophercloud.ServiceClient {
return c.neutronClient
}
func (c *openstackCloud) LoadBalancerClient() *gophercloud.ServiceClient {
return c.lbClient
}
func (c *openstackCloud) DNSClient() *gophercloud.ServiceClient {
return c.dnsClient
}
func (c *openstackCloud) ImageClient() *gophercloud.ServiceClient {
return c.glanceClient
}
func (c *openstackCloud) Region() string {
return c.region
}
func (c *openstackCloud) ProviderID() kops.CloudProviderID {
return kops.CloudProviderOpenstack
}
func (c *openstackCloud) DNS() (dnsprovider.Interface, error) {
provider, err := dnsprovider.GetDnsProvider(designate.ProviderName, nil)
if err != nil {
return nil, fmt.Errorf("error building (Designate) DNS provider: %v", err)
}
return provider, nil
}
// FindVPCInfo list subnets in network
func (c *openstackCloud) FindVPCInfo(id string) (*fi.VPCInfo, error) {
return findVPCInfo(c, id, c.zones)
}
func findVPCInfo(c OpenstackCloud, id string, zones []string) (*fi.VPCInfo, error) {
vpcInfo := &fi.VPCInfo{}
// Find subnets in the network
{
if len(zones) == 0 {
return nil, fmt.Errorf("could not initialize zones")
}
klog.V(2).Infof("Calling ListSubnets for subnets in Network %q", id)
opt := subnets.ListOpts{
NetworkID: id,
}
subnets, err := c.ListSubnets(opt)
if err != nil {
return nil, fmt.Errorf("error listing subnets in network %q: %v", id, err)
}
for index, subnet := range subnets {
zone := zones[int(index)%len(zones)]
subnetInfo := &fi.SubnetInfo{
ID: subnet.ID,
CIDR: subnet.CIDR,
Zone: zone,
}
vpcInfo.Subnets = append(vpcInfo.Subnets, subnetInfo)
}
}
return vpcInfo, nil
}
// DeleteGroup in openstack will delete servergroup, instances and ports
func (c *openstackCloud) DeleteGroup(g *cloudinstances.CloudInstanceGroup) error {
return deleteGroup(c, g)
}
func deleteGroup(c OpenstackCloud, g *cloudinstances.CloudInstanceGroup) error {
grp := g.Raw.(*servergroups.ServerGroup)
for _, id := range grp.Members {
err := c.DeleteInstanceWithID(id)
if err != nil {
return fmt.Errorf("could not delete instance %q: %v", id, err)
}
}
ports, err := c.ListPorts(ports.ListOpts{})
if err != nil {
return fmt.Errorf("Could not list ports %v", err)
}
for _, port := range ports {
if strings.Contains(port.Name, grp.Name) {
err := c.DeletePort(port.ID)
if err != nil {
return fmt.Errorf("could not delete port %q: %v", port.ID, err)
}
}
}
err = c.DeleteServerGroup(grp.ID)
if err != nil {
return fmt.Errorf("could not server group %q: %v", grp.ID, err)
}
return nil
}
func (c *openstackCloud) GetCloudGroups(cluster *kops.Cluster, instancegroups []*kops.InstanceGroup, warnUnmatched bool, nodes []v1.Node) (map[string]*cloudinstances.CloudInstanceGroup, error) {
return getCloudGroups(c, cluster, instancegroups, warnUnmatched, nodes)
}
func getCloudGroups(c OpenstackCloud, cluster *kops.Cluster, instancegroups []*kops.InstanceGroup, warnUnmatched bool, nodes []v1.Node) (map[string]*cloudinstances.CloudInstanceGroup, error) {
nodeMap := cloudinstances.GetNodeMap(nodes, cluster)
groups := make(map[string]*cloudinstances.CloudInstanceGroup)
serverGrps, err := c.ListServerGroups(servergroups.ListOpts{})
if err != nil {
return nil, fmt.Errorf("unable to list servergroups: %v", err)
}
for _, grp := range serverGrps {
name := grp.Name
instancegroup, err := matchInstanceGroup(name, cluster.ObjectMeta.Name, instancegroups)
if err != nil {
return nil, fmt.Errorf("error getting instance group for servergroup %q", name)
}
if instancegroup == nil {
if warnUnmatched {
klog.Warningf("Found servergrp with no corresponding instance group %q", name)
}
continue
}
groups[instancegroup.ObjectMeta.Name], err = osBuildCloudInstanceGroup(c, cluster, instancegroup, grp, nodeMap)
if err != nil {
return nil, fmt.Errorf("error getting cloud instance group %q: %v", instancegroup.ObjectMeta.Name, err)
}
}
return groups, nil
}
func (c *openstackCloud) GetCloudTags() map[string]string {
return c.tags
}
func (c *openstackCloud) UseLoadBalancerVIPACL() (bool, error) {
if c.useVIPACL != nil {
return *c.useVIPACL, nil
}
use, err := useLoadBalancerVIPACL(c)
if err != nil {
return false, err
}
c.useVIPACL = &use
return use, nil
}
func useLoadBalancerVIPACL(c OpenstackCloud) (bool, error) {
if c.LoadBalancerClient() == nil {
return false, nil
}
allPages, err := apiversions.List(c.LoadBalancerClient()).AllPages()
if err != nil {
return false, err
}
versions, err := apiversions.ExtractAPIVersions(allPages)
if err != nil {
return false, err
}
if len(versions) == 0 {
return false, fmt.Errorf("loadbalancer API versions not found")
}
ver, err := semver.ParseTolerant(versions[len(versions)-1].ID)
if err != nil {
return false, err
}
// https://github.com/kubernetes/cloud-provider-openstack/blob/721615aa256bbddbd481cfb4a887c3ab180c5563/pkg/util/openstack/loadbalancer.go#L108
return ver.Compare(semver.MustParse("2.12.0")) > 0, nil
}
type Address struct {
IPType string `mapstructure:"OS-EXT-IPS:type"`
Addr string
}
func (c *openstackCloud) GetApiIngressStatus(cluster *kops.Cluster) ([]fi.ApiIngressStatus, error) {
return getApiIngressStatus(c, cluster)
}
func getApiIngressStatus(c OpenstackCloud, cluster *kops.Cluster) ([]fi.ApiIngressStatus, error) {
if cluster.Spec.CloudProvider.Openstack.Loadbalancer != nil {
return getLoadBalancerIngressStatus(c, cluster)
} else {
return getIPIngressStatus(c, cluster)
}
}
func getLoadBalancerIngressStatus(c OpenstackCloud, cluster *kops.Cluster) ([]fi.ApiIngressStatus, error) {
var ingresses []fi.ApiIngressStatus
lbName := "api." + cluster.Name
if cluster.Spec.API.PublicName != "" {
lbName = cluster.Spec.API.PublicName
}
// Note that this must match OpenstackModel lb name
klog.V(2).Infof("Querying Openstack to find Loadbalancers for API (%q)", cluster.Name)
lbList, err := c.ListLBs(loadbalancers.ListOpts{
Name: lbName,
})
if err != nil {
return ingresses, fmt.Errorf("GetApiIngressStatus: Failed to list openstack loadbalancers: %v", err)
}
for _, lb := range lbList {
// Must Find Floating IP related to this lb
fips, err := c.ListL3FloatingIPs(l3floatingip.ListOpts{
PortID: lb.VipPortID,
})
if err != nil {
return ingresses, fmt.Errorf("GetApiIngressStatus: Failed to list floating IP's: %v", err)
}
for _, fip := range fips {
if fip.PortID == lb.VipPortID {
ingresses = append(ingresses, fi.ApiIngressStatus{
IP: fip.FloatingIP,
})
}
}
}
return ingresses, nil
}
func getIPIngressStatus(c OpenstackCloud, cluster *kops.Cluster) (ingresses []fi.ApiIngressStatus, err error) {
done, err := vfs.RetryWithBackoff(readBackoff, func() (bool, error) {
instances, err := c.ListInstances(servers.ListOpts{})
if err != nil {
return false, fmt.Errorf("GetApiIngressStatus: Failed to list control plane nodes: %v", err)
}
for _, instance := range instances {
val, ok := instance.Metadata["k8s"]
val2, ok2 := instance.Metadata["KopsRole"]
if ok && val == cluster.Name && ok2 {
role, success := kops.ParseInstanceGroupRole(val2, false)
if success && role == kops.InstanceGroupRoleControlPlane {
ifName := instance.Metadata[TagKopsNetwork]
address, err := GetServerFixedIP(&instance, ifName)
if err == nil {
ingresses = append(ingresses, fi.ApiIngressStatus{
IP: address,
})
} else {
ips, err := c.ListServerFloatingIPs(instance.ID)
if err != nil {
return false, err
}
for _, ip := range ips {
ingresses = append(ingresses, fi.ApiIngressStatus{
IP: fi.ValueOf(ip),
})
}
}
}
}
}
return true, nil
})
if done {
return ingresses, nil
} else {
if err == nil {
err = wait.ErrWaitTimeout
}
return ingresses, err
}
}
func isNotFound(err error) bool {
if _, ok := err.(gophercloud.ErrDefault404); ok {
return true
}
if _, ok := err.(gophercloud.ErrResourceNotFound); ok {
return true
}
if errCode, ok := err.(gophercloud.ErrUnexpectedResponseCode); ok {
if errCode.Actual == http.StatusNotFound {
return true
}
}
return false
}
func MakeCloudConfig(osc *kops.OpenstackSpec) []string {
var lines []string
// Support mapping of older keystone API
tenantName := os.Getenv("OS_TENANT_NAME")
if tenantName == "" {
tenantName = os.Getenv("OS_PROJECT_NAME")
}
tenantID := os.Getenv("OS_TENANT_ID")
if tenantID == "" {
tenantID = os.Getenv("OS_PROJECT_ID")
}
lines = append(lines,
fmt.Sprintf("auth-url=\"%s\"", os.Getenv("OS_AUTH_URL")),
fmt.Sprintf("username=\"%s\"", os.Getenv("OS_USERNAME")),
fmt.Sprintf("password=\"%s\"", os.Getenv("OS_PASSWORD")),
fmt.Sprintf("region=\"%s\"", os.Getenv("OS_REGION_NAME")),
fmt.Sprintf("tenant-id=\"%s\"", tenantID),
fmt.Sprintf("tenant-name=\"%s\"", tenantName),
fmt.Sprintf("domain-name=\"%s\"", os.Getenv("OS_DOMAIN_NAME")),
fmt.Sprintf("domain-id=\"%s\"", os.Getenv("OS_DOMAIN_ID")),
fmt.Sprintf("application-credential-id=\"%s\"", os.Getenv("OS_APPLICATION_CREDENTIAL_ID")),
fmt.Sprintf("application-credential-secret=\"%s\"", os.Getenv("OS_APPLICATION_CREDENTIAL_SECRET")),
"",
)
if lb := osc.Loadbalancer; lb != nil {
ingressHostnameSuffix := "nip.io"
if fi.ValueOf(lb.IngressHostnameSuffix) != "" {
ingressHostnameSuffix = fi.ValueOf(lb.IngressHostnameSuffix)
}
lines = append(lines,
"[LoadBalancer]",
fmt.Sprintf("floating-network-id=%s", fi.ValueOf(lb.FloatingNetworkID)),
fmt.Sprintf("lb-method=%s", fi.ValueOf(lb.Method)),
fmt.Sprintf("lb-provider=%s", fi.ValueOf(lb.Provider)),
fmt.Sprintf("use-octavia=%t", fi.ValueOf(lb.UseOctavia)),
fmt.Sprintf("manage-security-groups=%t", fi.ValueOf(lb.ManageSecGroups)),
fmt.Sprintf("enable-ingress-hostname=%t", fi.ValueOf(lb.EnableIngressHostname)),
fmt.Sprintf("ingress-hostname-suffix=%s", ingressHostnameSuffix),
"",
)
if monitor := osc.Monitor; monitor != nil {
lines = append(lines,
"create-monitor=yes",
fmt.Sprintf("monitor-delay=%s", fi.ValueOf(monitor.Delay)),
fmt.Sprintf("monitor-timeout=%s", fi.ValueOf(monitor.Timeout)),
fmt.Sprintf("monitor-max-retries=%d", fi.ValueOf(monitor.MaxRetries)),
"",
)
}
}
if bs := osc.BlockStorage; bs != nil {
// Block Storage Config
lines = append(lines,
"[BlockStorage]",
fmt.Sprintf("bs-version=%s", fi.ValueOf(bs.Version)),
fmt.Sprintf("ignore-volume-az=%t", fi.ValueOf(bs.IgnoreAZ)),
fmt.Sprintf("ignore-volume-microversion=%t", fi.ValueOf(bs.IgnoreVolumeMicroVersion)),
"")
}
if networking := osc.Network; networking != nil {
// Networking Config
// https://github.com/kubernetes/cloud-provider-openstack/blob/master/docs/openstack-cloud-controller-manager/using-openstack-cloud-controller-manager.md#networking
var networkingLines []string
if networking.IPv6SupportDisabled != nil {
networkingLines = append(networkingLines, fmt.Sprintf("ipv6-support-disabled=%t", fi.ValueOf(networking.IPv6SupportDisabled)))
}
for _, name := range networking.PublicNetworkNames {
networkingLines = append(networkingLines, fmt.Sprintf("public-network-name=%s", fi.ValueOf(name)))
}
for _, name := range networking.InternalNetworkNames {
networkingLines = append(networkingLines, fmt.Sprintf("internal-network-name=%s", fi.ValueOf(name)))
}
if networking.AddressSortOrder != nil {
networkingLines = append(networkingLines, fmt.Sprintf("address-sort-order=%s", fi.ValueOf(networking.AddressSortOrder)))
}
if len(networkingLines) > 0 {
lines = append(lines, "[Networking]")
lines = append(lines, networkingLines...)
lines = append(lines, "")
}
}
return lines
}