func (c *NodeUpCommand) Run(out io.Writer) error {
if c.FSRoot == "" {
return fmt.Errorf("FSRoot is required")
}
if c.ConfigLocation != "" {
config, err := vfs.Context.ReadFile(c.ConfigLocation)
if err != nil {
return fmt.Errorf("error loading configuration %q: %v", c.ConfigLocation, err)
}
err = utils.YamlUnmarshal(config, &c.config)
if err != nil {
return fmt.Errorf("error parsing configuration %q: %v", c.ConfigLocation, err)
}
} else {
return fmt.Errorf("ConfigLocation is required")
}
if c.AssetDir == "" {
return fmt.Errorf("AssetDir is required")
}
assets := fi.NewAssetStore(c.AssetDir)
for _, asset := range c.config.Assets {
err := assets.Add(asset)
if err != nil {
return fmt.Errorf("error adding asset %q: %v", asset, err)
}
}
//c.nodeset = &cloudup.NodeSetConfig{}
//if c.config.NodeSetLocation != "" {
// b, err := vfs.Context.ReadFile(c.config.NodeSetLocation)
// if err != nil {
// return fmt.Errorf("error loading NodeSet %q: %v", c.config.NodeSetLocation, err)
// }
//
// err = utils.YamlUnmarshal(b, c.nodeset)
// if err != nil {
// return fmt.Errorf("error parsing NodeSet %q: %v", c.config.NodeSetLocation, err)
// }
//} else {
// return fmt.Errorf("NodeSetLocation is required")
//}
c.cluster = &api.Cluster{}
if c.config.ClusterLocation != "" {
b, err := vfs.Context.ReadFile(c.config.ClusterLocation)
if err != nil {
return fmt.Errorf("error loading Cluster %q: %v", c.config.ClusterLocation, err)
}
err = utils.YamlUnmarshal(b, c.cluster)
if err != nil {
return fmt.Errorf("error parsing Cluster %q: %v", c.config.ClusterLocation, err)
}
} else {
// TODO Infer this from NodeSetLocation?
return fmt.Errorf("ClusterLocation is required")
}
//if c.Config.ConfigurationStore != "" {
// // TODO: If we ever delete local files, we need to filter so we only copy
// // certain directories (i.e. not secrets / keys), because dest is a parent dir!
// p, err := c.buildPath(c.Config.ConfigurationStore)
// if err != nil {
// return fmt.Errorf("error building config store: %v", err)
// }
//
// dest := vfs.NewFSPath("/etc/kubernetes")
// scanner := vfs.NewVFSScan(p)
// err = vfs.SyncDir(scanner, dest)
// if err != nil {
// return fmt.Errorf("error copying config store: %v", err)
// }
//
// c.Config.Tags = append(c.Config.Tags, "_config_store")
//} else {
// c.Config.Tags = append(c.Config.Tags, "_not_config_store")
//}
osTags, err := FindOSTags(c.FSRoot)
if err != nil {
return fmt.Errorf("error determining OS tags: %v", err)
}
tags := make(map[string]struct{})
for _, tag := range osTags {
tags[tag] = struct{}{}
}
for _, tag := range c.config.Tags {
tags[tag] = struct{}{}
}
loader := NewLoader(c.config, c.cluster, assets, tags)
tf, err := newTemplateFunctions(c.config, c.cluster, tags)
if err != nil {
return fmt.Errorf("error initializing: %v", err)
}
tf.populate(loader.TemplateFunctions)
taskMap, err := loader.Build(c.ModelDir)
if err != nil {
return fmt.Errorf("error building loader: %v", err)
}
var cloud fi.Cloud
var caStore fi.CAStore
var secretStore fi.SecretStore
var target fi.Target
checkExisting := true
switch c.Target {
case "direct":
target = &local.LocalTarget{}
case "dryrun":
target = fi.NewDryRunTarget(out)
case "cloudinit":
checkExisting = false
target = cloudinit.NewCloudInitTarget(out)
default:
return fmt.Errorf("unsupported target type %q", c.Target)
}
context, err := fi.NewContext(target, cloud, caStore, secretStore, checkExisting)
if err != nil {
glog.Exitf("error building context: %v", err)
}
defer context.Close()
err = context.RunTasks(taskMap)
if err != nil {
glog.Exitf("error running tasks: %v", err)
}
err = target.Finish(taskMap)
if err != nil {
glog.Exitf("error closing target: %v", err)
}
return nil
}
func (c *CreateClusterCmd) Run() error {
// TODO: Make these configurable?
useMasterASG := true
useMasterLB := false
//// We (currently) have to use protokube with ASGs
//useProtokube := useMasterASG
//if c.NodeUpConfig == nil {
// c.NodeUpConfig = &nodeup.NodeConfig{}
//}
clusterName := c.Cluster.Name
if clusterName == "" {
return fmt.Errorf("ClusterName is required (e.g. --name=mycluster.myzone.com)")
}
if c.Cluster.Spec.MasterPublicName == "" {
c.Cluster.Spec.MasterPublicName = "api." + c.Cluster.Name
}
if c.Cluster.Spec.DNSZone == "" {
tokens := strings.Split(c.Cluster.Spec.MasterPublicName, ".")
c.Cluster.Spec.DNSZone = strings.Join(tokens[len(tokens)-2:], ".")
glog.Infof("Defaulting DNS zone to: %s", c.Cluster.Spec.DNSZone)
}
if len(c.Cluster.Spec.Zones) == 0 {
// TODO: Auto choose zones from region?
return fmt.Errorf("must configuration at least one Zone (use --zones)")
}
if len(c.InstanceGroups) == 0 {
return fmt.Errorf("must configure at least one InstanceGroup")
}
for i, g := range c.InstanceGroups {
if g.Name == "" {
return fmt.Errorf("InstanceGroup #%d Name not set", i)
}
if g.Spec.Role == "" {
return fmt.Errorf("InstanceGroup %q Role not set", g.Name)
}
}
masters, err := c.populateMasters()
if err != nil {
return err
}
c.masters = masters
if len(c.masters) == 0 {
return fmt.Errorf("must configure at least one Master InstanceGroup")
}
nodes, err := c.populateNodeSets()
if err != nil {
return err
}
c.nodes = nodes
if len(c.nodes) == 0 {
return fmt.Errorf("must configure at least one Node InstanceGroup")
}
err = c.assignSubnets()
if err != nil {
return err
}
// Check that instance groups are defined in valid zones
{
clusterZones := make(map[string]*api.ClusterZoneSpec)
for _, z := range c.Cluster.Spec.Zones {
if clusterZones[z.Name] != nil {
return fmt.Errorf("Zones contained a duplicate value: %v", z.Name)
}
clusterZones[z.Name] = z
}
for _, group := range c.InstanceGroups {
for _, z := range group.Spec.Zones {
if clusterZones[z] == nil {
return fmt.Errorf("InstanceGroup %q is configured in %q, but this is not configured as a Zone in the cluster", group.Name, z)
}
}
}
// Check etcd configuration
{
for i, etcd := range c.Cluster.Spec.EtcdClusters {
if etcd.Name == "" {
return fmt.Errorf("EtcdClusters #%d did not specify a Name", i)
}
for i, m := range etcd.Members {
if m.Name == "" {
return fmt.Errorf("EtcdMember #%d of etcd-cluster %s did not specify a Name", i, etcd.Name)
}
z := m.Zone
if z == "" {
return fmt.Errorf("EtcdMember %s:%s did not specify a Zone", etcd.Name, m.Name)
}
}
etcdZones := make(map[string]*api.EtcdMemberSpec)
etcdNames := make(map[string]*api.EtcdMemberSpec)
for _, m := range etcd.Members {
if etcdNames[m.Name] != nil {
return fmt.Errorf("EtcdMembers found with same name %q in etcd-cluster %q", m.Name, etcd.Name)
}
if etcdZones[m.Zone] != nil {
// Maybe this should just be a warning
return fmt.Errorf("EtcdMembers are in the same zone %q in etcd-cluster %q", m.Zone, etcd.Name)
}
if clusterZones[m.Zone] == nil {
return fmt.Errorf("EtcdMembers for %q is configured in zone %q, but that is not configured at the k8s-cluster level", etcd.Name, m.Zone)
}
etcdZones[m.Zone] = m
}
if (len(etcdZones) % 2) == 0 {
// Not technically a requirement, but doesn't really make sense to allow
return fmt.Errorf("There should be an odd number of master-zones, for etcd's quorum. Hint: Use --zone and --master-zone to declare node zones and master zones separately.")
}
}
}
}
if c.StateStore == nil {
return fmt.Errorf("StateStore is required")
}
if c.Cluster.Spec.CloudProvider == "" {
return fmt.Errorf("--cloud is required (e.g. aws, gce)")
}
tags := make(map[string]struct{})
l := &Loader{}
l.Init()
keyStore := c.StateStore.CA()
secretStore := c.StateStore.Secrets()
if vfs.IsClusterReadable(secretStore.VFSPath()) {
vfsPath := secretStore.VFSPath()
c.Cluster.Spec.SecretStore = vfsPath.Path()
if s3Path, ok := vfsPath.(*vfs.S3Path); ok {
if c.Cluster.Spec.MasterPermissions == nil {
c.Cluster.Spec.MasterPermissions = &api.CloudPermissions{}
}
c.Cluster.Spec.MasterPermissions.AddS3Bucket(s3Path.Bucket())
if c.Cluster.Spec.NodePermissions == nil {
c.Cluster.Spec.NodePermissions = &api.CloudPermissions{}
}
c.Cluster.Spec.NodePermissions.AddS3Bucket(s3Path.Bucket())
}
} else {
// We could implement this approach, but it seems better to get all clouds using cluster-readable storage
return fmt.Errorf("secrets path is not cluster readable: %v", secretStore.VFSPath())
}
if vfs.IsClusterReadable(keyStore.VFSPath()) {
vfsPath := keyStore.VFSPath()
c.Cluster.Spec.KeyStore = vfsPath.Path()
if s3Path, ok := vfsPath.(*vfs.S3Path); ok {
if c.Cluster.Spec.MasterPermissions == nil {
c.Cluster.Spec.MasterPermissions = &api.CloudPermissions{}
}
c.Cluster.Spec.MasterPermissions.AddS3Bucket(s3Path.Bucket())
if c.Cluster.Spec.NodePermissions == nil {
c.Cluster.Spec.NodePermissions = &api.CloudPermissions{}
}
c.Cluster.Spec.NodePermissions.AddS3Bucket(s3Path.Bucket())
}
} else {
// We could implement this approach, but it seems better to get all clouds using cluster-readable storage
return fmt.Errorf("keyStore path is not cluster readable: %v", keyStore.VFSPath())
}
if vfs.IsClusterReadable(c.StateStore.VFSPath()) {
c.Cluster.Spec.ConfigStore = c.StateStore.VFSPath().Path()
} else {
// We do support this...
}
if c.Cluster.Spec.KubernetesVersion == "" {
stableURL := "https://storage.googleapis.com/kubernetes-release/release/stable.txt"
b, err := vfs.Context.ReadFile(stableURL)
if err != nil {
return fmt.Errorf("--kubernetes-version not specified, and unable to download latest version from %q: %v", stableURL, err)
}
latestVersion := strings.TrimSpace(string(b))
glog.Infof("Using kubernetes latest stable version: %s", latestVersion)
c.Cluster.Spec.KubernetesVersion = latestVersion
//return fmt.Errorf("Must either specify a KubernetesVersion (-kubernetes-version) or provide an asset with the release bundle")
}
// Normalize k8s version
versionWithoutV := strings.TrimSpace(c.Cluster.Spec.KubernetesVersion)
if strings.HasPrefix(versionWithoutV, "v") {
versionWithoutV = versionWithoutV[1:]
}
if c.Cluster.Spec.KubernetesVersion != versionWithoutV {
glog.Warningf("Normalizing kubernetes version: %q -> %q", c.Cluster.Spec.KubernetesVersion, versionWithoutV)
c.Cluster.Spec.KubernetesVersion = versionWithoutV
}
if len(c.Assets) == 0 {
//defaultReleaseAsset := fmt.Sprintf("https://storage.googleapis.com/kubernetes-release/release/v%s/kubernetes-server-linux-amd64.tar.gz", c.Config.KubernetesVersion)
//glog.Infof("Adding default kubernetes release asset: %s", defaultReleaseAsset)
defaultKubeletAsset := fmt.Sprintf("https://storage.googleapis.com/kubernetes-release/release/v%s/bin/linux/amd64/kubelet", c.Cluster.Spec.KubernetesVersion)
glog.Infof("Adding default kubelet release asset: %s", defaultKubeletAsset)
defaultKubectlAsset := fmt.Sprintf("https://storage.googleapis.com/kubernetes-release/release/v%s/bin/linux/amd64/kubectl", c.Cluster.Spec.KubernetesVersion)
glog.Infof("Adding default kubelet release asset: %s", defaultKubectlAsset)
// TODO: Verify assets exist, get the hash (that will check that KubernetesVersion is valid)
c.Assets = append(c.Assets, defaultKubeletAsset, defaultKubectlAsset)
}
if c.NodeUpSource == "" {
location := "https://kubeupv2.s3.amazonaws.com/nodeup/nodeup-1.3.tar.gz"
glog.Infof("Using default nodeup location: %q", location)
c.NodeUpSource = location
}
checkExisting := true
//c.NodeUpConfig.Tags = append(c.NodeUpConfig.Tags, "_jessie", "_debian_family", "_systemd")
//
//if useProtokube {
// tags["_protokube"] = struct{}{}
// c.NodeUpConfig.Tags = append(c.NodeUpConfig.Tags, "_protokube")
//} else {
// tags["_not_protokube"] = struct{}{}
// c.NodeUpConfig.Tags = append(c.NodeUpConfig.Tags, "_not_protokube")
//}
c.NodeUpTags = append(c.NodeUpTags, "_protokube")
if useMasterASG {
tags["_master_asg"] = struct{}{}
} else {
tags["_master_single"] = struct{}{}
}
if useMasterLB {
tags["_master_lb"] = struct{}{}
} else {
tags["_not_master_lb"] = struct{}{}
}
if c.Cluster.Spec.MasterPublicName != "" {
tags["_master_dns"] = struct{}{}
}
l.AddTypes(map[string]interface{}{
"keypair": &fitasks.Keypair{},
"secret": &fitasks.Secret{},
})
cloud, err := BuildCloud(c.Cluster)
if err != nil {
return err
}
region := ""
project := ""
switch c.Cluster.Spec.CloudProvider {
case "gce":
{
gceCloud := cloud.(*gce.GCECloud)
region = gceCloud.Region
project = gceCloud.Project
glog.Fatalf("GCE is (probably) not working currently - please ping @justinsb for cleanup")
tags["_gce"] = struct{}{}
c.NodeUpTags = append(c.NodeUpTags, "_gce")
l.AddTypes(map[string]interface{}{
"persistentDisk": &gcetasks.PersistentDisk{},
"instance": &gcetasks.Instance{},
"instanceTemplate": &gcetasks.InstanceTemplate{},
"network": &gcetasks.Network{},
"managedInstanceGroup": &gcetasks.ManagedInstanceGroup{},
"firewallRule": &gcetasks.FirewallRule{},
"ipAddress": &gcetasks.IPAddress{},
})
}
case "aws":
{
awsCloud := cloud.(*awsup.AWSCloud)
region = awsCloud.Region
tags["_aws"] = struct{}{}
c.NodeUpTags = append(c.NodeUpTags, "_aws")
l.AddTypes(map[string]interface{}{
// EC2
"elasticIP": &awstasks.ElasticIP{},
"instance": &awstasks.Instance{},
"instanceElasticIPAttachment": &awstasks.InstanceElasticIPAttachment{},
"instanceVolumeAttachment": &awstasks.InstanceVolumeAttachment{},
"ebsVolume": &awstasks.EBSVolume{},
"sshKey": &awstasks.SSHKey{},
// IAM
"iamInstanceProfile": &awstasks.IAMInstanceProfile{},
"iamInstanceProfileRole": &awstasks.IAMInstanceProfileRole{},
"iamRole": &awstasks.IAMRole{},
"iamRolePolicy": &awstasks.IAMRolePolicy{},
// VPC / Networking
"dhcpOptions": &awstasks.DHCPOptions{},
"internetGateway": &awstasks.InternetGateway{},
"route": &awstasks.Route{},
"routeTable": &awstasks.RouteTable{},
"routeTableAssociation": &awstasks.RouteTableAssociation{},
"securityGroup": &awstasks.SecurityGroup{},
"securityGroupRule": &awstasks.SecurityGroupRule{},
"subnet": &awstasks.Subnet{},
"vpc": &awstasks.VPC{},
"vpcDHDCPOptionsAssociation": &awstasks.VPCDHCPOptionsAssociation{},
// ELB
"loadBalancer": &awstasks.LoadBalancer{},
"loadBalancerAttachment": &awstasks.LoadBalancerAttachment{},
"loadBalancerHealthChecks": &awstasks.LoadBalancerHealthChecks{},
// Autoscaling
"autoscalingGroup": &awstasks.AutoscalingGroup{},
"launchConfiguration": &awstasks.LaunchConfiguration{},
// Route53
"dnsName": &awstasks.DNSName{},
"dnsZone": &awstasks.DNSZone{},
})
if c.SSHPublicKey == "" {
return fmt.Errorf("SSH public key must be specified when running with AWS")
}
l.TemplateFunctions["MachineTypeInfo"] = awsup.GetMachineTypeInfo
}
default:
return fmt.Errorf("unknown CloudProvider %q", c.Cluster.Spec.CloudProvider)
}
tf := &TemplateFunctions{
cluster: c.Cluster,
}
l.Tags = tags
l.WorkDir = c.OutDir
l.ModelStore = c.ModelStore
l.NodeModel = c.NodeModel
l.TemplateFunctions["HasTag"] = func(tag string) bool {
_, found := l.Tags[tag]
return found
}
l.TemplateFunctions["CA"] = func() fi.CAStore {
return keyStore
}
l.TemplateFunctions["Secrets"] = func() fi.SecretStore {
return secretStore
}
l.TemplateFunctions["NodeUpTags"] = func() []string {
return c.NodeUpTags
}
// TotalNodeCount computes the total count of nodes
l.TemplateFunctions["TotalNodeCount"] = func() (int, error) {
count := 0
for _, group := range c.nodes {
if group.Spec.MaxSize != nil {
count += *group.Spec.MaxSize
} else if group.Spec.MinSize != nil {
count += *group.Spec.MinSize
} else {
// Guestimate
count += 5
}
}
return count, nil
}
l.TemplateFunctions["Region"] = func() string {
return region
}
l.TemplateFunctions["NodeSets"] = c.populateNodeSets
l.TemplateFunctions["Masters"] = c.populateMasters
//l.TemplateFunctions["NodeUp"] = c.populateNodeUpConfig
l.TemplateFunctions["NodeUpSource"] = func() string {
return c.NodeUpSource
}
l.TemplateFunctions["NodeUpSourceHash"] = func() string {
return ""
}
l.TemplateFunctions["ClusterLocation"] = func() string {
return c.StateStore.VFSPath().Join(PathClusterCompleted).Path()
}
l.TemplateFunctions["Assets"] = func() []string {
return c.Assets
}
l.TemplateFunctions["Base64Encode"] = func(s string) string {
return base64.StdEncoding.EncodeToString([]byte(s))
}
l.TemplateFunctions["ClusterName"] = func() string {
return clusterName
}
l.TemplateFunctions["replace"] = func(s, find, replace string) string {
return strings.Replace(s, find, replace, -1)
}
l.TemplateFunctions["join"] = func(a []string, sep string) string {
return strings.Join(a, sep)
}
tf.AddTo(l.TemplateFunctions)
l.OptionsLoader = loader.NewOptionsLoader(l.TemplateFunctions)
if c.SSHPublicKey != "" {
authorized, err := ioutil.ReadFile(c.SSHPublicKey)
if err != nil {
return fmt.Errorf("error reading SSH key file %q: %v", c.SSHPublicKey, err)
}
l.Resources["ssh-public-key"] = fi.NewStringResource(string(authorized))
}
completed, err := l.BuildCompleteSpec(&c.Cluster.Spec, c.ModelStore, c.Models)
if err != nil {
return fmt.Errorf("error building complete spec: %v", err)
}
l.cluster = &api.Cluster{}
*l.cluster = *c.Cluster
l.cluster.Spec = *completed
tf.cluster = l.cluster
err = l.cluster.Validate()
if err != nil {
return fmt.Errorf("Completed cluster failed validation: %v", err)
}
taskMap, err := l.BuildTasks(c.ModelStore, c.Models)
if err != nil {
return fmt.Errorf("error building tasks: %v", err)
}
err = c.StateStore.WriteConfig(PathClusterCompleted, l.cluster)
if err != nil {
return fmt.Errorf("error writing completed cluster spec: %v", err)
}
var target fi.Target
switch c.Target {
case "direct":
switch c.Cluster.Spec.CloudProvider {
case "gce":
target = gce.NewGCEAPITarget(cloud.(*gce.GCECloud))
case "aws":
target = awsup.NewAWSAPITarget(cloud.(*awsup.AWSCloud))
default:
return fmt.Errorf("direct configuration not supported with CloudProvider:%q", c.Cluster.Spec.CloudProvider)
}
case "terraform":
checkExisting = false
outDir := path.Join(c.OutDir, "terraform")
target = terraform.NewTerraformTarget(cloud, region, project, outDir)
case "dryrun":
target = fi.NewDryRunTarget(os.Stdout)
default:
return fmt.Errorf("unsupported target type %q", c.Target)
}
context, err := fi.NewContext(target, cloud, keyStore, secretStore, checkExisting)
if err != nil {
return fmt.Errorf("error building context: %v", err)
}
defer context.Close()
err = context.RunTasks(taskMap)
if err != nil {
return fmt.Errorf("error running tasks: %v", err)
}
err = target.Finish(taskMap)
if err != nil {
return fmt.Errorf("error closing target: %v", err)
}
return nil
}
