model

package
v1.20.1 Latest Latest
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 Go to latest Published: May 12, 2021 License: Apache-2.0 Imports: 53 Imported by: 25

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Index

Constants

View Source 
const (
	CloudConfigFilePath = "/etc/kubernetes/cloud.config"

	// VM UUID is set by cloud-init
	VM_UUID_FILE_PATH = "/etc/vmware/vm_uuid"
)
View Source 
const PathAuthnConfig = "/etc/kubernetes/authn.config"

PathAuthnConfig is the path to the custom webhook authentication config

Variables

This section is empty.

Functions

func EvaluateHostnameOverride 

func EvaluateHostnameOverride(hostnameOverride string) (string, error)

EvaluateHostnameOverride returns the hostname after replacing some well-known placeholders

Types

type Architecture 

type Architecture string
var (
	ArchitectureAmd64 Architecture = "amd64"
	ArchitectureArm   Architecture = "arm"
)

type BootstrapClientBuilder added in v1.19.0 

type BootstrapClientBuilder struct {
	*NodeupModelContext
}

BootstrapClientBuilder calls kops-controller to bootstrap the node.

func (BootstrapClientBuilder) Build added in v1.19.0 

func (b BootstrapClientBuilder) Build(c *fi.ModelBuilderContext) error

type ClientConnectionConfig added in v1.18.0 

type ClientConnectionConfig struct {
	Burst      int32    `json:"burst,omitempty"`
	Kubeconfig string   `json:"kubeconfig"`
	QPS        *float64 `json:"qps,omitempty"`
}

ClientConnectionConfig is used by kube-scheduler to talk to the api server

type CloudConfigBuilder 

type CloudConfigBuilder struct {
	*NodeupModelContext
}

CloudConfigBuilder creates the cloud configuration file

func (*CloudConfigBuilder) Build 

func (b *CloudConfigBuilder) Build(c *fi.ModelBuilderContext) error

type ContainerdBuilder added in v1.18.0 

type ContainerdBuilder struct {
	*NodeupModelContext
}

ContainerdBuilder install containerd (just the packages at the moment)

func (*ContainerdBuilder) Build added in v1.18.0 

func (b *ContainerdBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring the containerd daemon

type DirectoryBuilder 

type DirectoryBuilder struct {
	*NodeupModelContext
}

DirectoryBuilder creates required directories

func (*DirectoryBuilder) Build 

func (b *DirectoryBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for specific directories are created - os dependent

type DockerBuilder 

type DockerBuilder struct {
	*NodeupModelContext
}

DockerBuilder install docker (just the packages at the moment)

func (*DockerBuilder) Build 

func (b *DockerBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring the docker daemon

type EtcdBuilder 

type EtcdBuilder struct {
	*NodeupModelContext
}

EtcdBuilder installs etcd

func (*EtcdBuilder) Build 

func (b *EtcdBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for creating the etcd user

type EtcdManagerTLSBuilder added in v1.15.1 

type EtcdManagerTLSBuilder struct {
	*NodeupModelContext
}

EtcdManagerTLSBuilder configures TLS support for etcd-manager

func (*EtcdManagerTLSBuilder) Build added in v1.15.1 

func (b *EtcdManagerTLSBuilder) Build(ctx *fi.ModelBuilderContext) error

Build is responsible for TLS configuration for etcd-manager

type FileAssetsBuilder 

type FileAssetsBuilder struct {
	*NodeupModelContext
}

FileAssetsBuilder configures the hooks

func (*FileAssetsBuilder) Build 

func (f *FileAssetsBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for writing out the file assets from cluster and instanceGroup

type FirewallBuilder 

type FirewallBuilder struct {
	*NodeupModelContext
}

FirewallBuilder configures the firewall (iptables)

func (*FirewallBuilder) Build 

func (b *FirewallBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for generating any node firewall rules

type HookBuilder 

type HookBuilder struct {
	*NodeupModelContext
}

HookBuilder configures the hooks

func (*HookBuilder) Build 

func (h *HookBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for implementing the cluster hook

type KopsControllerBuilder added in v1.19.0 

type KopsControllerBuilder struct {
	*NodeupModelContext
}

KopsControllerBuilder installs the keys for a kops-controller.

func (*KopsControllerBuilder) Build added in v1.19.0 

func (b *KopsControllerBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring keys that will be used by kops-controller (via hostPath)

type KubeAPIServerBuilder 

type KubeAPIServerBuilder struct {
	*NodeupModelContext
}

KubeAPIServerBuilder install kube-apiserver (just the manifest at the moment)

func (*KubeAPIServerBuilder) Build 

func (b *KubeAPIServerBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for generating the configuration for the kube-apiserver

type KubeControllerManagerBuilder 

type KubeControllerManagerBuilder struct {
	*NodeupModelContext
}

KubeControllerManagerBuilder install kube-controller-manager (just the manifest at the moment)

func (*KubeControllerManagerBuilder) Build 

func (b *KubeControllerManagerBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring the kube-controller-manager

type KubeProxyBuilder 

type KubeProxyBuilder struct {
	*NodeupModelContext
}

KubeProxyBuilder installs kube-proxy

func (*KubeProxyBuilder) Build 

func (b *KubeProxyBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for building the kube-proxy manifest @TODO we should probably change this to a daemonset in the future and follow the kubeadm path

type KubeSchedulerBuilder 

type KubeSchedulerBuilder struct {
	*NodeupModelContext
}

KubeSchedulerBuilder install kube-scheduler

func (*KubeSchedulerBuilder) Build 

func (b *KubeSchedulerBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for building the manifest for the kube-scheduler

type KubectlBuilder 

type KubectlBuilder struct {
	*NodeupModelContext
}

KubectlBuilder install kubectl

func (*KubectlBuilder) Build 

func (b *KubectlBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for managing the kubectl on the nodes

type KubeletBuilder 

type KubeletBuilder struct {
	*NodeupModelContext
}

KubeletBuilder installs kubelet

func (*KubeletBuilder) Build 

func (b *KubeletBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for building the kubelet configuration

type LogrotateBuilder 

type LogrotateBuilder struct {
	*NodeupModelContext
}

LogrotateBuilder installs logrotate.d and configures log rotation for kubernetes logs

func (*LogrotateBuilder) Build 

func (b *LogrotateBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring logrotate

type ManifestsBuilder 

type ManifestsBuilder struct {
	*NodeupModelContext
}

ManifestsBuilder copies manifests from the store (e.g. etcdmanager)

func (*ManifestsBuilder) Build 

func (b *ManifestsBuilder) Build(c *fi.ModelBuilderContext) error

Build creates tasks for copying the manifests

type MiscUtilsBuilder added in v1.15.1 

type MiscUtilsBuilder struct {
	*NodeupModelContext
}

MiscUtilsBuilder ensures that some system packages that are required for kubernetes are installed (e.g. socat)

func (*MiscUtilsBuilder) Build added in v1.15.1 

func (b *MiscUtilsBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring the miscellaneous packages we want installed

type NTPBuilder added in v1.15.1 

type NTPBuilder struct {
	*NodeupModelContext
}

NTPBuilder installs and starts NTP, to ensure accurate clock times. As well as general log confusion, clock-skew of more than 5 minutes causes AWS API calls to fail

func (*NTPBuilder) Build added in v1.15.1 

func (b *NTPBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring NTP

type NodeupModelContext 

type NodeupModelContext struct {
	Architecture  architectures.Architecture
	Assets        *fi.AssetStore
	Cluster       *kops.Cluster
	ConfigBase    vfs.Path
	Distribution  distributions.Distribution
	InstanceGroup *kops.InstanceGroup
	KeyStore      fi.CAStore
	NodeupConfig  *nodeup.Config
	SecretStore   fi.SecretStore

	// IsMaster is true if the InstanceGroup has a role of master (populated by Init)
	IsMaster bool
	// contains filtered or unexported fields
}

NodeupModelContext is the context supplied the nodeup tasks

func (*NodeupModelContext) AddCNIBinAssets added in v1.19.0 

func (b *NodeupModelContext) AddCNIBinAssets(c *fi.ModelBuilderContext, assetNames []string) error

func (*NodeupModelContext) BuildBootstrapKubeconfig added in v1.19.0 

func (c *NodeupModelContext) BuildBootstrapKubeconfig(name string, ctx *fi.ModelBuilderContext) (fi.Resource, error)

BuildBootstrapKubeconfig generates a kubeconfig with a client certificate from either kops-controller or the state store.

func (*NodeupModelContext) BuildCertificatePairTask 

func (c *NodeupModelContext) BuildCertificatePairTask(ctx *fi.ModelBuilderContext, key, path, filename string, owner *string) error

BuildCertificatePairTask creates the tasks to create the certificate and private key files.

func (*NodeupModelContext) BuildCertificateTask 

func (c *NodeupModelContext) BuildCertificateTask(ctx *fi.ModelBuilderContext, name, filename string, owner *string) error

BuildCertificateTask builds a task to create a certificate file.

func (*NodeupModelContext) BuildIssuedKubeconfig added in v1.19.0 

func (c *NodeupModelContext) BuildIssuedKubeconfig(name string, subject nodetasks.PKIXName, ctx *fi.ModelBuilderContext) *fi.TaskDependentResource

BuildIssuedKubeconfig generates a kubeconfig with a locally issued client certificate.

func (*NodeupModelContext) BuildPrivateKeyTask 

func (c *NodeupModelContext) BuildPrivateKeyTask(ctx *fi.ModelBuilderContext, name, filename string, owner *string) error

BuildPrivateKeyTask builds a task to create a private key file.

func (*NodeupModelContext) CNIBinDir 

func (c *NodeupModelContext) CNIBinDir() string

CNIBinDir returns the path for the CNI binaries

func (*NodeupModelContext) CNIConfDir 

func (c *NodeupModelContext) CNIConfDir() string

CNIConfDir returns the CNI directory

func (*NodeupModelContext) EnsureDirectory added in v1.15.1 

func (c *NodeupModelContext) EnsureDirectory(path string) error

EnsureDirectory ensures the directory exists or creates it

func (*NodeupModelContext) EnsureSystemdSuffix added in v1.15.1 

func (c *NodeupModelContext) EnsureSystemdSuffix(name string) string

EnsureSystemdSuffix ensures that the hook name ends with a valid systemd unit file extension. If it doesn't, it adds ".service" for backwards-compatibility with older versions of Kops

func (*NodeupModelContext) FileAssetsDefaultPath 

func (c *NodeupModelContext) FileAssetsDefaultPath() string

FileAssetsDefaultPath is the default location for assets which have no path

func (*NodeupModelContext) GetBootstrapCert added in v1.19.0 

func (c *NodeupModelContext) GetBootstrapCert(name string) (cert, key fi.Resource)

GetBootstrapCert requests a certificate keypair from kops-controller.

func (*NodeupModelContext) GetCert added in v1.17.0 

func (c *NodeupModelContext) GetCert(name string) ([]byte, error)

GetCert is a helper method to retrieve a certificate from the store

func (*NodeupModelContext) GetPrivateKey added in v1.17.0 

func (c *NodeupModelContext) GetPrivateKey(name string) ([]byte, error)

GetPrivateKey is a helper method to retrieve a private key from the store

func (*NodeupModelContext) Init 

func (c *NodeupModelContext) Init() error

Init completes initialization of the object, for example pre-parsing the kubernetes version

func (*NodeupModelContext) IsKubernetesGTE 

func (c *NodeupModelContext) IsKubernetesGTE(version string) bool

IsKubernetesGTE checks if the version is greater-than-or-equal

func (*NodeupModelContext) IsKubernetesLT added in v1.18.0 

func (c *NodeupModelContext) IsKubernetesLT(version string) bool

IsKubernetesLT checks if the version is less-than

func (*NodeupModelContext) IsMounted added in v1.15.1 

func (c *NodeupModelContext) IsMounted(m mount.Interface, device, path string) (bool, error)

IsMounted checks if the device is mount

func (*NodeupModelContext) KubectlPath 

func (c *NodeupModelContext) KubectlPath() string

KubectlPath returns distro based path for kubectl

func (*NodeupModelContext) KubeletBootstrapKubeconfig 

func (c *NodeupModelContext) KubeletBootstrapKubeconfig() string

KubeletBootstrapKubeconfig is the path the bootstrap config file

func (*NodeupModelContext) KubeletKubeConfig 

func (c *NodeupModelContext) KubeletKubeConfig() string

KubeletKubeConfig is the path of the kubelet kubeconfig file

func (*NodeupModelContext) NodeName 

func (c *NodeupModelContext) NodeName() (string, error)

NodeName returns the name of the local Node, as it will be created in k8s

func (*NodeupModelContext) PathSrvKubernetes 

func (c *NodeupModelContext) PathSrvKubernetes() string

PathSrvKubernetes returns the path for the kubernetes service files

func (*NodeupModelContext) PathSrvSshproxy 

func (c *NodeupModelContext) PathSrvSshproxy() string

PathSrvSshproxy returns the path for the SSH proxy

func (*NodeupModelContext) SSLHostPaths 

func (c *NodeupModelContext) SSLHostPaths() []string

SSLHostPaths returns the TLS paths for the distribution

func (*NodeupModelContext) UseBootstrapTokens 

func (c *NodeupModelContext) UseBootstrapTokens() bool

UseBootstrapTokens checks if we are using bootstrap tokens

func (*NodeupModelContext) UseEtcdManager added in v1.15.1 

func (c *NodeupModelContext) UseEtcdManager() bool

UseEtcdManager checks if the etcd cluster has etcd-manager enabled

func (*NodeupModelContext) UseEtcdTLS 

func (c *NodeupModelContext) UseEtcdTLS() bool

UseEtcdTLS checks if the etcd cluster has TLS enabled bool

func (*NodeupModelContext) UseEtcdTLSAuth 

func (c *NodeupModelContext) UseEtcdTLSAuth() bool

UseEtcdTLSAuth checks the peer-auth is set in both cluster @NOTE: in retrospect i think we should have consolidated the common config in the wrapper struct; it feels weird we set things like version, tls etc per cluster since they both have to be the same.

func (*NodeupModelContext) UseKopsControllerForNodeBootstrap added in v1.19.0 

func (c *NodeupModelContext) UseKopsControllerForNodeBootstrap() bool

UseKopsControllerForNodeBootstrap checks if nodeup should use kops-controller to bootstrap.

func (*NodeupModelContext) UseVolumeMounts added in v1.15.1 

func (c *NodeupModelContext) UseVolumeMounts() bool

UseVolumeMounts is used to check if we have volume mounts enabled as we need to insert requires and afters in various places

func (*NodeupModelContext) UsesCNI 

func (c *NodeupModelContext) UsesCNI() bool

UsesCNI checks if the cluster has CNI configured

func (*NodeupModelContext) UsesSecondaryIP 

func (c *NodeupModelContext) UsesSecondaryIP() bool

UsesSecondaryIP checks if the CNI in use attaches secondary interfaces to the host.

func (*NodeupModelContext) VolumesServiceName added in v1.15.1 

func (c *NodeupModelContext) VolumesServiceName() string

VolumesServiceName is the name of the service which is downstream of any volume mounts

type PackagesBuilder 

type PackagesBuilder struct {
	*NodeupModelContext
}

PackagesBuilder adds miscellaneous OS packages that we need

func (*PackagesBuilder) Build 

func (b *PackagesBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for installing packages

type ProtokubeBuilder 

type ProtokubeBuilder struct {
	*NodeupModelContext
}

ProtokubeBuilder configures protokube

func (*ProtokubeBuilder) Build 

func (t *ProtokubeBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for generating the options for protokube

func (*ProtokubeBuilder) ProtokubeContainerRemoveCommand added in v1.18.0 

func (t *ProtokubeBuilder) ProtokubeContainerRemoveCommand() (string, error)

ProtokubeContainerRemoveCommand returns the command that removes the Protokube container

func (*ProtokubeBuilder) ProtokubeContainerRunCommand added in v1.18.0 

func (t *ProtokubeBuilder) ProtokubeContainerRunCommand() (string, error)

ProtokubeContainerRunCommand returns the command that runs the Protokube container

func (*ProtokubeBuilder) ProtokubeContainerStopCommand added in v1.18.0 

func (t *ProtokubeBuilder) ProtokubeContainerStopCommand() (string, error)

ProtokubeContainerStopCommand returns the command that stops the Protokube container, before being removed

func (*ProtokubeBuilder) ProtokubeEnvironmentVariables 

func (t *ProtokubeBuilder) ProtokubeEnvironmentVariables() string

ProtokubeEnvironmentVariables generates the environments variables for docker

func (*ProtokubeBuilder) ProtokubeFlags 

func (t *ProtokubeBuilder) ProtokubeFlags(k8sVersion semver.Version) (*ProtokubeFlags, error)

ProtokubeFlags is responsible for building the command line flags for protokube

func (*ProtokubeBuilder) ProtokubeImageName 

func (t *ProtokubeBuilder) ProtokubeImageName() string

ProtokubeImageName returns the docker image for protokube

type ProtokubeFlags 

type ProtokubeFlags struct {
	ApplyTaints               *bool    `json:"applyTaints,omitempty" flag:"apply-taints"`
	Channels                  []string `json:"channels,omitempty" flag:"channels"`
	Cloud                     *string  `json:"cloud,omitempty" flag:"cloud"`
	Containerized             *bool    `json:"containerized,omitempty" flag:"containerized"`
	DNSInternalSuffix         *string  `json:"dnsInternalSuffix,omitempty" flag:"dns-internal-suffix"`
	DNSProvider               *string  `json:"dnsProvider,omitempty" flag:"dns"`
	DNSServer                 *string  `json:"dns-server,omitempty" flag:"dns-server"`
	EtcdBackupImage           string   `json:"etcd-backup-image,omitempty" flag:"etcd-backup-image"`
	EtcdBackupStore           string   `json:"etcd-backup-store,omitempty" flag:"etcd-backup-store"`
	EtcdImage                 *string  `json:"etcd-image,omitempty" flag:"etcd-image"`
	EtcdLeaderElectionTimeout *string  `json:"etcd-election-timeout,omitempty" flag:"etcd-election-timeout"`
	EtcdHearbeatInterval      *string  `json:"etcd-heartbeat-interval,omitempty" flag:"etcd-heartbeat-interval"`
	InitializeRBAC            *bool    `json:"initializeRBAC,omitempty" flag:"initialize-rbac"`
	LogLevel                  *int32   `json:"logLevel,omitempty" flag:"v"`
	Master                    *bool    `json:"master,omitempty" flag:"master"`
	PeerTLSCaFile             *string  `json:"peer-ca,omitempty" flag:"peer-ca"`
	PeerTLSCertFile           *string  `json:"peer-cert,omitempty" flag:"peer-cert"`
	PeerTLSKeyFile            *string  `json:"peer-key,omitempty" flag:"peer-key"`
	TLSAuth                   *bool    `json:"tls-auth,omitempty" flag:"tls-auth"`
	TLSCAFile                 *string  `json:"tls-ca,omitempty" flag:"tls-ca"`
	TLSCertFile               *string  `json:"tls-cert,omitempty" flag:"tls-cert"`
	TLSKeyFile                *string  `json:"tls-key,omitempty" flag:"tls-key"`
	Zone                      []string `json:"zone,omitempty" flag:"zone"`

	// ManageEtcd is true if protokube should manage etcd; being replaced by etcd-manager
	ManageEtcd bool `json:"manageEtcd,omitempty" flag:"manage-etcd"`

	// RemoveDNSNames allows us to remove dns records, so that they can be managed elsewhere
	// We use it e.g. for the switch to etcd-manager
	RemoveDNSNames string `json:"removeDNSNames,omitempty" flag:"remove-dns-names"`

	// BootstrapMasterNodeLabels applies the critical node-role labels to our node,
	// which lets us bring up the controllers that can only run on masters, which are then
	// responsible for node labels.  The node is specified by NodeName
	BootstrapMasterNodeLabels bool `json:"bootstrapMasterNodeLabels,omitempty" flag:"bootstrap-master-node-labels"`

	// NodeName is the name of the node as will be created in kubernetes.  Primarily used by BootstrapMasterNodeLabels.
	NodeName string `json:"nodeName,omitempty" flag:"node-name"`

	GossipProtocol *string `json:"gossip-protocol" flag:"gossip-protocol"`
	GossipListen   *string `json:"gossip-listen" flag:"gossip-listen"`
	GossipSecret   *string `json:"gossip-secret" flag:"gossip-secret"`

	GossipProtocolSecondary *string `json:"gossip-protocol-secondary" flag:"gossip-protocol-secondary" flag-include-empty:"true"`
	GossipListenSecondary   *string `json:"gossip-listen-secondary" flag:"gossip-listen-secondary"`
	GossipSecretSecondary   *string `json:"gossip-secret-secondary" flag:"gossip-secret-secondary"`
}

ProtokubeFlags are the flags for protokube

type SchedulerConfig added in v1.18.0 

type SchedulerConfig struct {
	APIVersion       string                 `json:"apiVersion"`
	Kind             string                 `json:"kind"`
	ClientConnection ClientConnectionConfig `json:"clientConnection,omitempty"`
}

SchedulerConfig is used to generate the config file

func NewSchedulerConfig added in v1.18.0 

func NewSchedulerConfig(apiVersion string) *SchedulerConfig

NewSchedulerConfig initializes a new kube-scheduler config file

type SecretBuilder 

type SecretBuilder struct {
	*NodeupModelContext
}

SecretBuilder writes secrets

func (*SecretBuilder) Build 

func (b *SecretBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for pulling down the secrets

type SysctlBuilder 

type SysctlBuilder struct {
	*NodeupModelContext
}

SysctlBuilder set up our sysctls

func (*SysctlBuilder) Build 

func (b *SysctlBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring sysctl settings

type UpdateServiceBuilder 

type UpdateServiceBuilder struct {
	*NodeupModelContext
}

UpdateServiceBuilder enables/disables the OS automatic updates.

func (*UpdateServiceBuilder) Build 

func (b *UpdateServiceBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for configuring automatic updates based on the OS.

type VolumesBuilder added in v1.15.1 

type VolumesBuilder struct {
	*NodeupModelContext
}

VolumesBuilder maintains the volume mounting

func (*VolumesBuilder) Build added in v1.15.1 

func (b *VolumesBuilder) Build(c *fi.ModelBuilderContext) error

Build is responsible for handling the mounting additional volumes onto the instance

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