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apply_cluster.go
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apply_cluster.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 cloudup
import (
"bytes"
"context"
"fmt"
"net/url"
"os"
"path"
"strings"
"github.com/blang/semver/v4"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/klog/v2"
kopsbase "k8s.io/kops"
"k8s.io/kops/pkg/acls"
"k8s.io/kops/pkg/apis/kops"
"k8s.io/kops/pkg/apis/kops/registry"
"k8s.io/kops/pkg/apis/kops/util"
"k8s.io/kops/pkg/apis/kops/validation"
"k8s.io/kops/pkg/apis/nodeup"
"k8s.io/kops/pkg/assets"
"k8s.io/kops/pkg/client/simple"
"k8s.io/kops/pkg/client/simple/vfsclientset"
"k8s.io/kops/pkg/dns"
"k8s.io/kops/pkg/featureflag"
"k8s.io/kops/pkg/model"
"k8s.io/kops/pkg/model/alimodel"
"k8s.io/kops/pkg/model/awsmodel"
"k8s.io/kops/pkg/model/azuremodel"
"k8s.io/kops/pkg/model/components"
"k8s.io/kops/pkg/model/components/etcdmanager"
"k8s.io/kops/pkg/model/components/kubeapiserver"
"k8s.io/kops/pkg/model/domodel"
"k8s.io/kops/pkg/model/gcemodel"
"k8s.io/kops/pkg/model/iam"
"k8s.io/kops/pkg/model/openstackmodel"
"k8s.io/kops/pkg/resources/digitalocean"
"k8s.io/kops/pkg/templates"
"k8s.io/kops/upup/models"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/aliup"
"k8s.io/kops/upup/pkg/fi/cloudup/awsup"
"k8s.io/kops/upup/pkg/fi/cloudup/azure"
"k8s.io/kops/upup/pkg/fi/cloudup/bootstrapchannelbuilder"
"k8s.io/kops/upup/pkg/fi/cloudup/cloudformation"
"k8s.io/kops/upup/pkg/fi/cloudup/do"
"k8s.io/kops/upup/pkg/fi/cloudup/gce"
"k8s.io/kops/upup/pkg/fi/cloudup/openstack"
"k8s.io/kops/upup/pkg/fi/cloudup/terraform"
"k8s.io/kops/util/pkg/architectures"
"k8s.io/kops/util/pkg/hashing"
"k8s.io/kops/util/pkg/mirrors"
"k8s.io/kops/util/pkg/vfs"
)
const (
starline = "*********************************************************************************"
)
var (
// AlphaAllowGCE is a feature flag that gates GCE support while it is alpha
AlphaAllowGCE = featureflag.New("AlphaAllowGCE", featureflag.Bool(false))
// AlphaAllowALI is a feature flag that gates aliyun support while it is alpha
AlphaAllowALI = featureflag.New("AlphaAllowALI", featureflag.Bool(false))
// OldestSupportedKubernetesVersion is the oldest kubernetes version that is supported in Kops
OldestSupportedKubernetesVersion = "1.13.0"
// OldestRecommendedKubernetesVersion is the oldest kubernetes version that is not deprecated in Kops
OldestRecommendedKubernetesVersion = "1.15.0"
)
type ApplyClusterCmd struct {
Cloud fi.Cloud
Cluster *kops.Cluster
InstanceGroups []*kops.InstanceGroup
// NodeUpAssets are the assets for downloading nodeup
NodeUpAssets map[architectures.Architecture]*mirrors.MirroredAsset
// TargetName specifies how we are operating e.g. direct to GCE, or AWS, or dry-run, or terraform
TargetName string
// Target is the fi.Target we will operate against
Target fi.Target
// OutDir is a local directory in which we place output, can cache files etc
OutDir string
// Assets is a list of sources for files (primarily when not using everything containerized)
// Formats:
// raw url: http://... or https://...
// url with hash: <hex>@http://... or <hex>@https://...
Assets map[architectures.Architecture][]*mirrors.MirroredAsset
Clientset simple.Clientset
// DryRun is true if this is only a dry run
DryRun bool
// AllowKopsDowngrade permits applying with a kops version older than what was last used to apply to the cluster.
AllowKopsDowngrade bool
// RunTasksOptions defines parameters for task execution, e.g. retry interval
RunTasksOptions *fi.RunTasksOptions
// The channel we are using
channel *kops.Channel
// Phase can be set to a Phase to run the specific subset of tasks, if we don't want to run everything
Phase Phase
// LifecycleOverrides is passed in to override the lifecycle for one of more tasks.
// The key value is the task name such as InternetGateway and the value is the fi.Lifecycle
// that is re-mapped.
LifecycleOverrides map[string]fi.Lifecycle
// TaskMap is the map of tasks that we built (output)
TaskMap map[string]fi.Task
}
func (c *ApplyClusterCmd) Run(ctx context.Context) error {
if c.InstanceGroups == nil {
list, err := c.Clientset.InstanceGroupsFor(c.Cluster).List(ctx, metav1.ListOptions{})
if err != nil {
return err
}
var instanceGroups []*kops.InstanceGroup
for i := range list.Items {
instanceGroups = append(instanceGroups, &list.Items[i])
}
c.InstanceGroups = instanceGroups
}
for _, ig := range c.InstanceGroups {
// Try to guess the path for additional third party volume plugins in Flatcar
image := strings.ToLower(ig.Spec.Image)
if strings.Contains(image, "flatcar") {
if c.Cluster.Spec.Kubelet == nil {
c.Cluster.Spec.Kubelet = &kops.KubeletConfigSpec{}
}
if c.Cluster.Spec.Kubelet.VolumePluginDirectory == "" {
c.Cluster.Spec.Kubelet.VolumePluginDirectory = "/var/lib/kubelet/volumeplugins/"
}
}
}
channel, err := ChannelForCluster(c.Cluster)
if err != nil {
klog.Warningf("%v", err)
}
c.channel = channel
stageAssetsLifecycle := fi.LifecycleSync
securityLifecycle := fi.LifecycleSync
networkLifecycle := fi.LifecycleSync
clusterLifecycle := fi.LifecycleSync
switch c.Phase {
case Phase(""):
// Everything ... the default
// until we implement finding assets we need to Ignore them
stageAssetsLifecycle = fi.LifecycleIgnore
case PhaseStageAssets:
networkLifecycle = fi.LifecycleIgnore
securityLifecycle = fi.LifecycleIgnore
clusterLifecycle = fi.LifecycleIgnore
case PhaseNetwork:
stageAssetsLifecycle = fi.LifecycleIgnore
securityLifecycle = fi.LifecycleIgnore
clusterLifecycle = fi.LifecycleIgnore
case PhaseSecurity:
stageAssetsLifecycle = fi.LifecycleIgnore
networkLifecycle = fi.LifecycleExistsAndWarnIfChanges
clusterLifecycle = fi.LifecycleIgnore
case PhaseCluster:
if c.TargetName == TargetDryRun {
stageAssetsLifecycle = fi.LifecycleIgnore
securityLifecycle = fi.LifecycleExistsAndWarnIfChanges
networkLifecycle = fi.LifecycleExistsAndWarnIfChanges
} else {
stageAssetsLifecycle = fi.LifecycleIgnore
networkLifecycle = fi.LifecycleExistsAndValidates
securityLifecycle = fi.LifecycleExistsAndValidates
}
default:
return fmt.Errorf("unknown phase %q", c.Phase)
}
// This is kinda a hack. Need to move phases out of fi. If we use Phase here we introduce a circular
// go dependency.
phase := string(c.Phase)
assetBuilder := assets.NewAssetBuilder(c.Cluster, phase)
err = c.upgradeSpecs(assetBuilder)
if err != nil {
return err
}
err = c.validateKopsVersion()
if err != nil {
return err
}
err = c.validateKubernetesVersion()
if err != nil {
return err
}
cluster := c.Cluster
configBase, err := vfs.Context.BuildVfsPath(cluster.Spec.ConfigBase)
if err != nil {
return fmt.Errorf("error parsing config base %q: %v", cluster.Spec.ConfigBase, err)
}
if !c.AllowKopsDowngrade {
kopsVersionUpdatedBytes, err := configBase.Join(registry.PathKopsVersionUpdated).ReadFile()
if err == nil {
kopsVersionUpdated := strings.TrimSpace(string(kopsVersionUpdatedBytes))
version, err := semver.Parse(kopsVersionUpdated)
if err != nil {
return fmt.Errorf("error parsing last kops version updated: %v", err)
}
if version.GT(semver.MustParse(kopsbase.Version)) {
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
fmt.Printf("The cluster was last updated by kops version %s\n", kopsVersionUpdated)
fmt.Printf("To permit updating by the older version %s, run with the --allow-kops-downgrade flag\n", kopsbase.Version)
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
return fmt.Errorf("kops version older than last used to update the cluster")
}
} else if err != os.ErrNotExist {
return fmt.Errorf("error reading last kops version used to update: %v", err)
}
}
cloud := c.Cloud
err = validation.DeepValidate(c.Cluster, c.InstanceGroups, true, cloud)
if err != nil {
return err
}
if cluster.Spec.KubernetesVersion == "" {
return fmt.Errorf("KubernetesVersion not set")
}
if cluster.Spec.DNSZone == "" && !dns.IsGossipHostname(cluster.ObjectMeta.Name) {
return fmt.Errorf("DNSZone not set")
}
l := &Loader{}
l.Init()
keyStore, err := c.Clientset.KeyStore(cluster)
if err != nil {
return err
}
sshCredentialStore, err := c.Clientset.SSHCredentialStore(cluster)
if err != nil {
return err
}
secretStore, err := c.Clientset.SecretStore(cluster)
if err != nil {
return err
}
addonsClient := c.Clientset.AddonsFor(cluster)
addons, err := addonsClient.List()
if err != nil {
return fmt.Errorf("error fetching addons: %v", err)
}
// Normalize k8s version
versionWithoutV := strings.TrimSpace(cluster.Spec.KubernetesVersion)
versionWithoutV = strings.TrimPrefix(versionWithoutV, "v")
if cluster.Spec.KubernetesVersion != versionWithoutV {
klog.Warningf("Normalizing kubernetes version: %q -> %q", cluster.Spec.KubernetesVersion, versionWithoutV)
cluster.Spec.KubernetesVersion = versionWithoutV
}
// check if we should recommend turning off anonymousAuth
{
// we do a check here because setting modifying the kubelet object messes with the output
warn := false
if cluster.Spec.Kubelet == nil {
warn = true
} else if cluster.Spec.Kubelet.AnonymousAuth == nil {
warn = true
}
if warn {
fmt.Println("")
fmt.Printf("%s\n", starline)
fmt.Println("")
fmt.Println("Kubelet anonymousAuth is currently turned on. This allows RBAC escalation and remote code execution possibilities.")
fmt.Println("It is highly recommended you turn it off by setting 'spec.kubelet.anonymousAuth' to 'false' via 'kops edit cluster'")
fmt.Println("")
fmt.Println("See https://kops.sigs.k8s.io/security/#kubelet-api")
fmt.Println("")
fmt.Printf("%s\n", starline)
fmt.Println("")
}
}
if fi.BoolValue(c.Cluster.Spec.EncryptionConfig) {
secret, err := secretStore.FindSecret("encryptionconfig")
if err != nil {
return fmt.Errorf("could not load encryptionconfig secret: %v", err)
}
if secret == nil {
fmt.Println("")
fmt.Println("You have encryptionConfig enabled, but no encryptionconfig secret has been set.")
fmt.Println("See `kops create secret encryptionconfig -h` and https://kubernetes.io/docs/tasks/administer-cluster/encrypt-data/")
return fmt.Errorf("could not find encryptionconfig secret")
}
}
ciliumSpec := c.Cluster.Spec.Networking.Cilium
if ciliumSpec != nil && ciliumSpec.EnableEncryption {
secret, err := secretStore.FindSecret("ciliumpassword")
if err != nil {
return fmt.Errorf("could not load the ciliumpassword secret: %w", err)
}
if secret == nil {
fmt.Println("")
fmt.Println("You have cilium encryption enabled, but no ciliumpassword secret has been set.")
fmt.Println("See `kops create secret ciliumpassword -h`")
return fmt.Errorf("could not find ciliumpassword secret")
}
}
if err := c.addFileAssets(assetBuilder); err != nil {
return err
}
// Only setup transfer of kops assets if using a FileRepository
if c.Cluster.Spec.Assets != nil && c.Cluster.Spec.Assets.FileRepository != nil {
if err := SetKopsAssetsLocations(assetBuilder); err != nil {
return err
}
}
checkExisting := true
project := ""
var sshPublicKeys [][]byte
{
keys, err := sshCredentialStore.FindSSHPublicKeys(fi.SecretNameSSHPrimary)
if err != nil {
return fmt.Errorf("error retrieving SSH public key %q: %v", fi.SecretNameSSHPrimary, err)
}
for _, k := range keys {
sshPublicKeys = append(sshPublicKeys, []byte(k.Spec.PublicKey))
}
}
modelContext := &model.KopsModelContext{
IAMModelContext: iam.IAMModelContext{Cluster: cluster},
InstanceGroups: c.InstanceGroups,
}
switch kops.CloudProviderID(cluster.Spec.CloudProvider) {
case kops.CloudProviderGCE:
{
gceCloud := cloud.(gce.GCECloud)
project = gceCloud.Project()
if !AlphaAllowGCE.Enabled() {
return fmt.Errorf("GCE support is currently alpha, and is feature-gated. export KOPS_FEATURE_FLAGS=AlphaAllowGCE")
}
}
case kops.CloudProviderDO:
{
if len(sshPublicKeys) == 0 && (c.Cluster.Spec.SSHKeyName == nil || *c.Cluster.Spec.SSHKeyName == "") {
return fmt.Errorf("SSH public key must be specified when running with DigitalOcean (create with `kops create secret --name %s sshpublickey admin -i ~/.ssh/id_rsa.pub`)", cluster.ObjectMeta.Name)
}
}
case kops.CloudProviderAWS:
{
awsCloud := cloud.(awsup.AWSCloud)
accountID, partition, err := awsCloud.AccountInfo()
if err != nil {
return err
}
modelContext.AWSAccountID = accountID
modelContext.AWSPartition = partition
if len(sshPublicKeys) == 0 && c.Cluster.Spec.SSHKeyName == nil {
return fmt.Errorf("SSH public key must be specified when running with AWS (create with `kops create secret --name %s sshpublickey admin -i ~/.ssh/id_rsa.pub`)", cluster.ObjectMeta.Name)
}
if len(sshPublicKeys) > 1 {
return fmt.Errorf("exactly one 'admin' SSH public key can be specified when running with AWS; please delete a key using `kops delete secret`")
}
}
case kops.CloudProviderALI:
{
fmt.Println("")
fmt.Println("aliyun support has been deprecated due to lack of maintainers. It may be removed in a future version of kOps.")
fmt.Println("")
if !AlphaAllowALI.Enabled() {
return fmt.Errorf("aliyun support is currently alpha, and is feature-gated. export KOPS_FEATURE_FLAGS=AlphaAllowALI")
}
if len(sshPublicKeys) == 0 {
return fmt.Errorf("SSH public key must be specified when running with ALICloud (create with `kops create secret --name %s sshpublickey admin -i ~/.ssh/id_rsa.pub`)", cluster.ObjectMeta.Name)
}
if len(sshPublicKeys) != 1 {
return fmt.Errorf("exactly one 'admin' SSH public key can be specified when running with ALICloud; please delete a key using `kops delete secret`")
}
}
case kops.CloudProviderAzure:
{
if !featureflag.Azure.Enabled() {
return fmt.Errorf("azure support is currently alpha, and is feature-gated. Please export KOPS_FEATURE_FLAGS=Azure")
}
if len(sshPublicKeys) == 0 {
return fmt.Errorf("SSH public key must be specified when running with AzureCloud (create with `kops create secret --name %s sshpublickey admin -i ~/.ssh/id_rsa.pub`)", cluster.ObjectMeta.Name)
}
if len(sshPublicKeys) != 1 {
return fmt.Errorf("exactly one 'admin' SSH public key can be specified when running with AzureCloud; please delete a key using `kops delete secret`")
}
}
case kops.CloudProviderOpenstack:
{
if len(sshPublicKeys) == 0 {
return fmt.Errorf("SSH public key must be specified when running with Openstack (create with `kops create secret --name %s sshpublickey admin -i ~/.ssh/id_rsa.pub`)", cluster.ObjectMeta.Name)
}
if len(sshPublicKeys) != 1 {
return fmt.Errorf("exactly one 'admin' SSH public key can be specified when running with Openstack; please delete a key using `kops delete secret`")
}
}
default:
return fmt.Errorf("unknown CloudProvider %q", cluster.Spec.CloudProvider)
}
modelContext.SSHPublicKeys = sshPublicKeys
modelContext.Region = cloud.Region()
if dns.IsGossipHostname(cluster.ObjectMeta.Name) {
klog.Infof("Gossip DNS: skipping DNS validation")
} else {
err = validateDNS(cluster, cloud)
if err != nil {
return err
}
}
tf := &TemplateFunctions{
KopsModelContext: *modelContext,
cloud: cloud,
}
configBuilder, err := newNodeUpConfigBuilder(cluster, assetBuilder, c.Assets)
if err != nil {
return err
}
bootstrapScriptBuilder := &model.BootstrapScriptBuilder{
NodeUpConfigBuilder: configBuilder,
NodeUpAssets: c.NodeUpAssets,
}
{
templates, err := templates.LoadTemplates(cluster, models.NewAssetPath("cloudup/resources"))
if err != nil {
return fmt.Errorf("error loading templates: %v", err)
}
err = tf.AddTo(templates.TemplateFunctions, secretStore)
if err != nil {
return err
}
bcb := bootstrapchannelbuilder.NewBootstrapChannelBuilder(
modelContext,
&clusterLifecycle,
assetBuilder,
templates,
addons,
)
l.Builders = append(l.Builders,
bcb,
&model.PKIModelBuilder{
KopsModelContext: modelContext,
Lifecycle: &clusterLifecycle,
},
&kubeapiserver.KubeApiserverBuilder{
AssetBuilder: assetBuilder,
KopsModelContext: modelContext,
Lifecycle: &clusterLifecycle,
},
&etcdmanager.EtcdManagerBuilder{
AssetBuilder: assetBuilder,
KopsModelContext: modelContext,
Lifecycle: &clusterLifecycle,
},
&model.MasterVolumeBuilder{KopsModelContext: modelContext, Lifecycle: &clusterLifecycle},
)
switch kops.CloudProviderID(cluster.Spec.CloudProvider) {
case kops.CloudProviderAWS:
awsModelContext := &awsmodel.AWSModelContext{
KopsModelContext: modelContext,
}
l.Builders = append(l.Builders,
&awsmodel.APILoadBalancerBuilder{AWSModelContext: awsModelContext, Lifecycle: &clusterLifecycle, SecurityLifecycle: &securityLifecycle},
&awsmodel.BastionModelBuilder{KopsModelContext: modelContext, Lifecycle: &clusterLifecycle, SecurityLifecycle: &securityLifecycle},
&awsmodel.DNSModelBuilder{KopsModelContext: modelContext, Lifecycle: &clusterLifecycle},
&awsmodel.ExternalAccessModelBuilder{KopsModelContext: modelContext, Lifecycle: &securityLifecycle},
&model.FirewallModelBuilder{KopsModelContext: modelContext, Lifecycle: &securityLifecycle},
&model.SSHKeyModelBuilder{KopsModelContext: modelContext, Lifecycle: &securityLifecycle},
&model.NetworkModelBuilder{KopsModelContext: modelContext, Lifecycle: &networkLifecycle},
&model.IAMModelBuilder{KopsModelContext: modelContext, Lifecycle: &securityLifecycle},
&awsmodel.OIDCProviderBuilder{KopsModelContext: modelContext, Lifecycle: &securityLifecycle, KeyStore: keyStore},
)
awsModelBuilder := &awsmodel.AutoscalingGroupModelBuilder{
AWSModelContext: awsModelContext,
BootstrapScriptBuilder: bootstrapScriptBuilder,
Lifecycle: &clusterLifecycle,
SecurityLifecycle: &securityLifecycle,
}
if featureflag.Spotinst.Enabled() {
l.Builders = append(l.Builders, &awsmodel.SpotInstanceGroupModelBuilder{
KopsModelContext: modelContext,
BootstrapScriptBuilder: bootstrapScriptBuilder,
Lifecycle: &clusterLifecycle,
SecurityLifecycle: &securityLifecycle,
})
if featureflag.SpotinstHybrid.Enabled() {
l.Builders = append(l.Builders, awsModelBuilder)
}
} else {
l.Builders = append(l.Builders, awsModelBuilder)
}
case kops.CloudProviderDO:
doModelContext := &domodel.DOModelContext{
KopsModelContext: modelContext,
}
l.Builders = append(l.Builders,
&domodel.APILoadBalancerModelBuilder{DOModelContext: doModelContext, Lifecycle: &securityLifecycle},
&domodel.DropletBuilder{DOModelContext: doModelContext, BootstrapScriptBuilder: bootstrapScriptBuilder, Lifecycle: &clusterLifecycle},
)
case kops.CloudProviderGCE:
gceModelContext := &gcemodel.GCEModelContext{
KopsModelContext: modelContext,
}
storageACLLifecycle := securityLifecycle
if storageACLLifecycle != fi.LifecycleIgnore {
// This is a best-effort permissions fix
storageACLLifecycle = fi.LifecycleWarnIfInsufficientAccess
}
l.Builders = append(l.Builders,
&gcemodel.APILoadBalancerBuilder{GCEModelContext: gceModelContext, Lifecycle: &securityLifecycle},
&gcemodel.ExternalAccessModelBuilder{GCEModelContext: gceModelContext, Lifecycle: &securityLifecycle},
&gcemodel.FirewallModelBuilder{GCEModelContext: gceModelContext, Lifecycle: &securityLifecycle},
&gcemodel.NetworkModelBuilder{GCEModelContext: gceModelContext, Lifecycle: &networkLifecycle},
&gcemodel.StorageAclBuilder{GCEModelContext: gceModelContext, Cloud: cloud.(gce.GCECloud), Lifecycle: &storageACLLifecycle},
&gcemodel.AutoscalingGroupModelBuilder{GCEModelContext: gceModelContext, BootstrapScriptBuilder: bootstrapScriptBuilder, Lifecycle: &clusterLifecycle},
)
case kops.CloudProviderALI:
aliModelContext := &alimodel.ALIModelContext{
KopsModelContext: modelContext,
}
l.Builders = append(l.Builders,
&alimodel.APILoadBalancerModelBuilder{ALIModelContext: aliModelContext, Lifecycle: &clusterLifecycle},
&alimodel.NetworkModelBuilder{ALIModelContext: aliModelContext, Lifecycle: &clusterLifecycle},
&alimodel.RAMModelBuilder{ALIModelContext: aliModelContext, Lifecycle: &clusterLifecycle},
&alimodel.SSHKeyModelBuilder{ALIModelContext: aliModelContext, Lifecycle: &clusterLifecycle},
&alimodel.FirewallModelBuilder{ALIModelContext: aliModelContext, Lifecycle: &clusterLifecycle},
&alimodel.ExternalAccessModelBuilder{ALIModelContext: aliModelContext, Lifecycle: &clusterLifecycle},
&alimodel.ScalingGroupModelBuilder{ALIModelContext: aliModelContext, BootstrapScriptBuilder: bootstrapScriptBuilder, Lifecycle: &clusterLifecycle},
)
case kops.CloudProviderAzure:
azureModelContext := &azuremodel.AzureModelContext{
KopsModelContext: modelContext,
}
l.Builders = append(l.Builders,
&azuremodel.APILoadBalancerModelBuilder{AzureModelContext: azureModelContext, Lifecycle: &clusterLifecycle},
&azuremodel.NetworkModelBuilder{AzureModelContext: azureModelContext, Lifecycle: &clusterLifecycle},
&azuremodel.ResourceGroupModelBuilder{AzureModelContext: azureModelContext, Lifecycle: &clusterLifecycle},
&azuremodel.VMScaleSetModelBuilder{AzureModelContext: azureModelContext, BootstrapScriptBuilder: bootstrapScriptBuilder, Lifecycle: &clusterLifecycle},
)
case kops.CloudProviderOpenstack:
openstackModelContext := &openstackmodel.OpenstackModelContext{
KopsModelContext: modelContext,
}
l.Builders = append(l.Builders,
&openstackmodel.NetworkModelBuilder{OpenstackModelContext: openstackModelContext, Lifecycle: &networkLifecycle},
&openstackmodel.SSHKeyModelBuilder{OpenstackModelContext: openstackModelContext, Lifecycle: &securityLifecycle},
&openstackmodel.FirewallModelBuilder{OpenstackModelContext: openstackModelContext, Lifecycle: &securityLifecycle},
&openstackmodel.ServerGroupModelBuilder{OpenstackModelContext: openstackModelContext, BootstrapScriptBuilder: bootstrapScriptBuilder, Lifecycle: &clusterLifecycle},
)
default:
return fmt.Errorf("unknown cloudprovider %q", cluster.Spec.CloudProvider)
}
}
taskMap, err := l.BuildTasks(assetBuilder, &stageAssetsLifecycle, c.LifecycleOverrides)
if err != nil {
return fmt.Errorf("error building tasks: %v", err)
}
c.TaskMap = taskMap
var target fi.Target
dryRun := false
shouldPrecreateDNS := true
switch c.TargetName {
case TargetDirect:
switch kops.CloudProviderID(cluster.Spec.CloudProvider) {
case kops.CloudProviderGCE:
target = gce.NewGCEAPITarget(cloud.(gce.GCECloud))
case kops.CloudProviderAWS:
target = awsup.NewAWSAPITarget(cloud.(awsup.AWSCloud))
case kops.CloudProviderDO:
target = do.NewDOAPITarget(cloud.(*digitalocean.Cloud))
case kops.CloudProviderOpenstack:
target = openstack.NewOpenstackAPITarget(cloud.(openstack.OpenstackCloud))
case kops.CloudProviderALI:
target = aliup.NewALIAPITarget(cloud.(aliup.ALICloud))
case kops.CloudProviderAzure:
target = azure.NewAzureAPITarget(cloud.(azure.AzureCloud))
default:
return fmt.Errorf("direct configuration not supported with CloudProvider:%q", cluster.Spec.CloudProvider)
}
case TargetTerraform:
checkExisting = false
outDir := c.OutDir
tf := terraform.NewTerraformTarget(cloud, project, outDir, cluster.Spec.Target)
// We include a few "util" variables in the TF output
if err := tf.AddOutputVariable("region", terraform.LiteralFromStringValue(cloud.Region())); err != nil {
return err
}
if project != "" {
if err := tf.AddOutputVariable("project", terraform.LiteralFromStringValue(project)); err != nil {
return err
}
}
if err := tf.AddOutputVariable("cluster_name", terraform.LiteralFromStringValue(cluster.ObjectMeta.Name)); err != nil {
return err
}
target = tf
// Can cause conflicts with terraform management
shouldPrecreateDNS = false
case TargetCloudformation:
checkExisting = false
outDir := c.OutDir
target = cloudformation.NewCloudformationTarget(cloud, project, outDir)
// Can cause conflicts with cloudformation management
shouldPrecreateDNS = false
case TargetDryRun:
target = fi.NewDryRunTarget(assetBuilder, os.Stdout)
dryRun = true
// Avoid making changes on a dry-run
shouldPrecreateDNS = false
default:
return fmt.Errorf("unsupported target type %q", c.TargetName)
}
c.Target = target
if !dryRun {
acl, err := acls.GetACL(configBase, cluster)
if err != nil {
return err
}
err = configBase.Join(registry.PathKopsVersionUpdated).WriteFile(bytes.NewReader([]byte(kopsbase.Version)), acl)
if err != nil {
return fmt.Errorf("error writing kops version: %v", err)
}
err = registry.WriteConfigDeprecated(cluster, configBase.Join(registry.PathClusterCompleted), c.Cluster)
if err != nil {
return fmt.Errorf("error writing completed cluster spec: %v", err)
}
vfsMirror := vfsclientset.NewInstanceGroupMirror(cluster, configBase)
for _, g := range c.InstanceGroups {
// TODO: We need to update the mirror (below), but do we need to update the primary?
_, err := c.Clientset.InstanceGroupsFor(c.Cluster).Update(ctx, g, metav1.UpdateOptions{})
if err != nil {
return fmt.Errorf("error writing InstanceGroup %q to registry: %v", g.ObjectMeta.Name, err)
}
// TODO: Don't write if vfsMirror == c.ClientSet
if err := vfsMirror.WriteMirror(g); err != nil {
return fmt.Errorf("error writing instance group spec to mirror: %v", err)
}
}
}
context, err := fi.NewContext(target, cluster, cloud, keyStore, secretStore, configBase, checkExisting, taskMap)
if err != nil {
return fmt.Errorf("error building context: %v", err)
}
defer context.Close()
var options fi.RunTasksOptions
if c.RunTasksOptions != nil {
options = *c.RunTasksOptions
} else {
options.InitDefaults()
}
err = context.RunTasks(options)
if err != nil {
return fmt.Errorf("error running tasks: %v", err)
}
if dns.IsGossipHostname(cluster.Name) {
shouldPrecreateDNS = false
}
if shouldPrecreateDNS {
if err := precreateDNS(ctx, cluster, cloud); err != nil {
klog.Warningf("unable to pre-create DNS records - cluster startup may be slower: %v", err)
}
}
err = target.Finish(taskMap) //This will finish the apply, and print the changes
if err != nil {
return fmt.Errorf("error closing target: %v", err)
}
return nil
}
// upgradeSpecs ensures that fields are fully populated / defaulted
func (c *ApplyClusterCmd) upgradeSpecs(assetBuilder *assets.AssetBuilder) error {
fullCluster, err := PopulateClusterSpec(c.Clientset, c.Cluster, c.Cloud, assetBuilder)
if err != nil {
return err
}
c.Cluster = fullCluster
for i, g := range c.InstanceGroups {
fullGroup, err := PopulateInstanceGroupSpec(fullCluster, g, c.Cloud, c.channel)
if err != nil {
return err
}
c.InstanceGroups[i] = fullGroup
}
return nil
}
// validateKopsVersion ensures that kops meet the version requirements / recommendations in the channel
func (c *ApplyClusterCmd) validateKopsVersion() error {
kopsVersion, err := semver.ParseTolerant(kopsbase.Version)
if err != nil {
klog.Warningf("unable to parse kops version %q", kopsbase.Version)
// Not a hard-error
return nil
}
if c.channel == nil {
klog.Warning("channel unavailable, skipping version validation")
return nil
}
versionInfo := kops.FindKopsVersionSpec(c.channel.Spec.KopsVersions, kopsVersion)
if versionInfo == nil {
klog.Warningf("unable to find version information for kops version %q in channel", kopsVersion)
// Not a hard-error
return nil
}
recommended, err := versionInfo.FindRecommendedUpgrade(kopsVersion)
if err != nil {
klog.Warningf("unable to parse version recommendation for kops version %q in channel", kopsVersion)
}
required, err := versionInfo.IsUpgradeRequired(kopsVersion)
if err != nil {
klog.Warningf("unable to parse version requirement for kops version %q in channel", kopsVersion)
}
if recommended != nil && !required {
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
fmt.Printf("A new kops version is available: %s", recommended)
fmt.Printf("\n")
fmt.Printf("Upgrading is recommended\n")
fmt.Printf("More information: %s\n", buildPermalink("upgrade_kops", recommended.String()))
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
} else if required {
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
if recommended != nil {
fmt.Printf("a new kops version is available: %s\n", recommended)
}
fmt.Println("")
fmt.Printf("This version of kops (%s) is no longer supported; upgrading is required\n", kopsbase.Version)
fmt.Printf("(you can bypass this check by exporting KOPS_RUN_OBSOLETE_VERSION)\n")
fmt.Println("")
fmt.Printf("More information: %s\n", buildPermalink("upgrade_kops", recommended.String()))
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
}
if required {
if os.Getenv("KOPS_RUN_OBSOLETE_VERSION") == "" {
return fmt.Errorf("kops upgrade is required")
}
}
return nil
}
// validateKubernetesVersion ensures that kubernetes meet the version requirements / recommendations in the channel
func (c *ApplyClusterCmd) validateKubernetesVersion() error {
parsed, err := util.ParseKubernetesVersion(c.Cluster.Spec.KubernetesVersion)
if err != nil {
klog.Warningf("unable to parse kubernetes version %q", c.Cluster.Spec.KubernetesVersion)
// Not a hard-error
return nil
}
kopsVersion, err := semver.Parse(kopsbase.KOPS_RELEASE_VERSION)
if err != nil {
klog.Warningf("unable to parse kops version %q", kopsVersion)
} else {
tooNewVersion := kopsVersion
tooNewVersion.Minor++
tooNewVersion.Pre = nil
tooNewVersion.Build = nil
if util.IsKubernetesGTE(tooNewVersion.String(), *parsed) {
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
fmt.Printf("This version of kubernetes is not yet supported; upgrading kops is required\n")
fmt.Printf("(you can bypass this check by exporting KOPS_RUN_TOO_NEW_VERSION)\n")
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
if os.Getenv("KOPS_RUN_TOO_NEW_VERSION") == "" {
return fmt.Errorf("kops upgrade is required")
}
}
}
if !util.IsKubernetesGTE(OldestSupportedKubernetesVersion, *parsed) {
fmt.Printf("This version of Kubernetes is no longer supported; upgrading Kubernetes is required\n")
fmt.Printf("\n")
fmt.Printf("More information: %s\n", buildPermalink("upgrade_k8s", OldestRecommendedKubernetesVersion))
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
return fmt.Errorf("kubernetes upgrade is required")
}
if !util.IsKubernetesGTE(OldestRecommendedKubernetesVersion, *parsed) {
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
fmt.Printf("Kops support for this Kubernetes version is deprecated and will be removed in a future release.\n")
fmt.Printf("\n")
fmt.Printf("Upgrading Kubernetes is recommended\n")
fmt.Printf("More information: %s\n", buildPermalink("upgrade_k8s", OldestRecommendedKubernetesVersion))
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
}
// TODO: make util.ParseKubernetesVersion not return a pointer
kubernetesVersion := *parsed
if c.channel == nil {
klog.Warning("unable to load channel, skipping kubernetes version recommendation/requirements checks")
return nil
}
versionInfo := kops.FindKubernetesVersionSpec(c.channel.Spec.KubernetesVersions, kubernetesVersion)
if versionInfo == nil {
klog.Warningf("unable to find version information for kubernetes version %q in channel", kubernetesVersion)
// Not a hard-error
return nil
}
recommended, err := versionInfo.FindRecommendedUpgrade(kubernetesVersion)
if err != nil {
klog.Warningf("unable to parse version recommendation for kubernetes version %q in channel", kubernetesVersion)
}
required, err := versionInfo.IsUpgradeRequired(kubernetesVersion)
if err != nil {
klog.Warningf("unable to parse version requirement for kubernetes version %q in channel", kubernetesVersion)
}
if recommended != nil && !required {
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
fmt.Printf("A new kubernetes version is available: %s\n", recommended)
fmt.Printf("Upgrading is recommended (try kops upgrade cluster)\n")
fmt.Printf("\n")
fmt.Printf("More information: %s\n", buildPermalink("upgrade_k8s", recommended.String()))
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
} else if required {
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
if recommended != nil {
fmt.Printf("A new kubernetes version is available: %s\n", recommended)
}
fmt.Printf("\n")
fmt.Printf("This version of kubernetes is no longer supported; upgrading is required\n")
fmt.Printf("(you can bypass this check by exporting KOPS_RUN_OBSOLETE_VERSION)\n")
fmt.Printf("\n")
fmt.Printf("More information: %s\n", buildPermalink("upgrade_k8s", recommended.String()))
fmt.Printf("\n")
fmt.Printf("%s\n", starline)
fmt.Printf("\n")
}
if required {
if os.Getenv("KOPS_RUN_OBSOLETE_VERSION") == "" {
return fmt.Errorf("kubernetes upgrade is required")
}
}
return nil
}
// addFileAssets adds the file assets within the assetBuilder
func (c *ApplyClusterCmd) addFileAssets(assetBuilder *assets.AssetBuilder) error {
var baseURL string
if components.IsBaseURL(c.Cluster.Spec.KubernetesVersion) {
baseURL = c.Cluster.Spec.KubernetesVersion