mirror of https://github.com/kubernetes/kops.git
153 lines
4.6 KiB
Go
153 lines
4.6 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package gcemodel
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import (
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"k8s.io/klog/v2"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/model"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/cloudup/gce"
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"k8s.io/kops/upup/pkg/fi/cloudup/gcetasks"
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)
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type GCEModelContext struct {
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ProjectID string
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*model.KopsModelContext
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}
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// LinkToNetwork returns the GCE Network object the cluster is located in
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func (c *GCEModelContext) LinkToNetwork() *gcetasks.Network {
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name := c.Cluster.Spec.NetworkID
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if name == "" {
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name = c.SafeClusterName()
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}
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return &gcetasks.Network{Name: s(name)}
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}
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// NameForIPAliasRange returns the name for the secondary IP range attached to a subnet
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func (c *GCEModelContext) NameForIPAliasRange(key string) string {
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// We include the cluster name so we could share a subnet...
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// but there's a 5 IP alias range limit per subnet anwyay, so
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// this is rather pointless and in practice we just use a
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// separate subnet per cluster
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return c.SafeObjectName(key)
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}
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// LinkToSubnet returns a link to the GCE subnet object
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func (c *GCEModelContext) LinkToSubnet(subnet *kops.ClusterSubnetSpec) *gcetasks.Subnet {
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name := subnet.ProviderID
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if name == "" {
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name = c.SafeObjectName(subnet.Name)
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}
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return &gcetasks.Subnet{Name: s(name)}
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}
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// SafeObjectName returns the object name and cluster name escaped for GCE
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func (c *GCEModelContext) SafeObjectName(name string) string {
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return gce.SafeObjectName(name, c.Cluster.ObjectMeta.Name)
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}
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// SafeClusterName returns the cluster name escaped for use as a GCE resource name
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func (c *GCEModelContext) SafeClusterName() string {
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return gce.SafeClusterName(c.Cluster.ObjectMeta.Name)
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}
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// GCETagForRole returns the (network) tag for GCE instances in the given instance group role.
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func (c *GCEModelContext) GCETagForRole(role kops.InstanceGroupRole) string {
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return gce.TagForRole(c.Cluster.ObjectMeta.Name, role)
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}
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func (c *GCEModelContext) LinkToTargetPool(id string) *gcetasks.TargetPool {
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return &gcetasks.TargetPool{Name: s(c.NameForTargetPool(id))}
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}
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func (c *GCEModelContext) NameForTargetPool(id string) string {
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return c.SafeObjectName(id)
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}
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func (c *GCEModelContext) NameForForwardingRule(id string) string {
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return c.SafeObjectName(id)
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}
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func (c *GCEModelContext) NameForIPAddress(id string) string {
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return c.SafeObjectName(id)
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}
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func (c *GCEModelContext) NameForPoolHealthcheck(id string) string {
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return c.SafeObjectName(id)
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}
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func (c *GCEModelContext) NameForHealthcheck(id string) string {
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return c.SafeObjectName(id)
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}
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func (c *GCEModelContext) NameForFirewallRule(id string) string {
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return c.SafeObjectName(id)
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}
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func (c *GCEModelContext) NetworkingIsIPAlias() bool {
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return c.Cluster.Spec.Networking != nil && c.Cluster.Spec.Networking.GCE != nil
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}
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func (c *GCEModelContext) NetworkingIsGCERoutes() bool {
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return c.Cluster.Spec.Networking != nil && c.Cluster.Spec.Networking.Kubenet != nil
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}
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// LinkToServiceAccount returns a link to the GCE ServiceAccount object for VMs in the given role
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func (c *GCEModelContext) LinkToServiceAccount(ig *kops.InstanceGroup) *gcetasks.ServiceAccount {
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if c.Cluster.Spec.CloudConfig.GCEServiceAccount != "" {
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// This is a legacy setting because the nodes & control-plane run under the same serviceaccount
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klog.Warningf("using legacy spec.cloudConfig.gceServiceAccount=%q setting", c.Cluster.Spec.CloudConfig.GCEServiceAccount)
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return &gcetasks.ServiceAccount{
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Name: s("shared"),
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Email: &c.Cluster.Spec.CloudConfig.GCEServiceAccount,
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Shared: fi.Bool(true),
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}
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}
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role := ig.Spec.Role
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name := ""
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switch role {
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case kops.InstanceGroupRoleAPIServer, kops.InstanceGroupRoleMaster:
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name = "control-plane"
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case kops.InstanceGroupRoleBastion:
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name = "bastion"
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case kops.InstanceGroupRoleNode:
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name = "node"
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default:
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klog.Fatalf("unknown role %q", role)
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}
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accountID, err := gce.ServiceAccountName(name, c.ClusterName())
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if err != nil {
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klog.Fatalf("failed to construct serviceaccount name: %w", err)
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}
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projectID := c.ProjectID
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email := accountID + "@" + projectID + ".iam.gserviceaccount.com"
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return &gcetasks.ServiceAccount{Name: s(name), Email: s(email)}
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}
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