cluster

package
v1.3.4 Latest Latest
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 Go to latest Published: Feb 9, 2023 License: MPL-2.0 Imports: 49 Imported by: 5

Documentation

Overview

Package cluster provides functions to access, check and inspect Talos clusters.

Index

Constants

View Source 
const DefaultServiceLogTailLines = 100

DefaultServiceLogTailLines specifies number of log lines to tail from each service.

Variables

View Source 
var LogLinesPerService = map[string]int32{
	"etcd": 5000,
}

LogLinesPerService customizes defaults for specific services.

Functions

func GetKubernetesSupportBundle 

func GetKubernetesSupportBundle(ctx context.Context, options *BundleOptions) error

GetKubernetesSupportBundle writes cluster wide kubernetes information into a zip archive.

func GetNodeSupportBundle 

func GetNodeSupportBundle(ctx context.Context, options *BundleOptions) error

GetNodeSupportBundle writes all node information we can gather into a zip archive.

func MapProvisionNodeInfosToNodeInfosByType 

func MapProvisionNodeInfosToNodeInfosByType(nodes []provision.NodeInfo) (map[machine.Type][]NodeInfo, error)

MapProvisionNodeInfosToNodeInfosByType maps provision.NodeInfos to cluster.NodeInfos, grouping them by machine type.

func NodesMatch 

func NodesMatch(expected, actual []NodeInfo) error

NodesMatch asserts that the provided expected set of nodes match the actual set of nodes.

Each expectedNode IPs should have a non-empty intersection with actualNode IPs.

Types

type APIBootstrapper 

type APIBootstrapper struct {
	ClientProvider
	Info
}

APIBootstrapper bootstraps cluster via Talos API.

func (*APIBootstrapper) ApplyConfig 

func (s *APIBootstrapper) ApplyConfig(ctx context.Context, nodes []provision.NodeRequest, out io.Writer) error

ApplyConfig on the node via the API using insecure mode.

func (*APIBootstrapper) Bootstrap 

func (s *APIBootstrapper) Bootstrap(ctx context.Context, out io.Writer) error

Bootstrap the cluster via the API.

Bootstrap implements Bootstrapper interface.

type APICrashDumper 

type APICrashDumper struct {
	ClientProvider
	Info
}

APICrashDumper collects crash dump via Talos API.

func (*APICrashDumper) CrashDump 

func (s *APICrashDumper) CrashDump(ctx context.Context, out io.Writer)

CrashDump produces information to help with debugging.

CrashDump implements CrashDumper interface.

type ApplyConfigClient 

type ApplyConfigClient struct {
	ClientProvider
	Info
}

ApplyConfigClient client to apply config.

type Bootstrapper 

type Bootstrapper interface {
	Bootstrap(ctx context.Context, out io.Writer) error
}

Bootstrapper performs Talos cluster bootstrap.

type BundleArchive 

type BundleArchive struct {
	Archive *zip.Writer
	// contains filtered or unexported fields
}

BundleArchive wraps archive writer in a thread safe implementation.

func (*BundleArchive) Write 

func (a *BundleArchive) Write(path string, contents []byte) error

Write creates a file in the archive.

type BundleError 

type BundleError struct {
	Source string
	// contains filtered or unexported fields
}

BundleError wraps all bundle collection errors and adds source context.

func (*BundleError) Error 

func (b *BundleError) Error() string

type BundleOptions 

type BundleOptions struct {
	LogOutput  io.Writer
	NumWorkers int
	Source     string
	Client     *client.Client
	Archive    *BundleArchive
	Progress   chan BundleProgress
	// contains filtered or unexported fields
}

BundleOptions defines GetSupportBundle options.

func (*BundleOptions) Log 

func (options *BundleOptions) Log(line string, args ...interface{})

Log writes the line to logger or to stdout if no logger was provided.

type BundleProgress 

type BundleProgress struct {
	Source string
	State  string
	Total  int
	Value  int
	Error  error
}

BundleProgress reports current bundle collection progress.

type ClientProvider 

type ClientProvider interface {
	// Client returns Talos client instance for default (if no endpoints are given) or
	// specific endpoint.
	Client(endpoints ...string) (*client.Client, error)
	// Close client connections.
	Close() error
}

ClientProvider builds Talos client by endpoint.

Client instance should be cached and closed when Close() is called.

type ConfigClientProvider 

type ConfigClientProvider struct {
	// DefaultClient to be used when using default endpoints.
	//
	// Not required, if missing client will be constructed from the config.
	DefaultClient *client.Client

	// TalosConfig is a client Talos configuration.
	TalosConfig *clientconfig.Config
	// contains filtered or unexported fields
}

ConfigClientProvider builds Talos client from client config.

func (*ConfigClientProvider) Client 

func (c *ConfigClientProvider) Client(endpoints ...string) (*client.Client, error)

Client returns Talos client instance for default (if no endpoints are given) or specific endpoints.

Client implements ClientProvider interface.

func (*ConfigClientProvider) Close 

func (c *ConfigClientProvider) Close() error

Close all the client connections.

type CrashDumper 

type CrashDumper interface {
	CrashDump(ctx context.Context, out io.Writer)
}

CrashDumper captures Talos cluster state to the specified writer for debugging.

type Info 

type Info interface {
	// Nodes returns list of all node infos.
	Nodes() []NodeInfo
	// NodesByType return list of node endpoints by type.
	NodesByType(machine.Type) []NodeInfo
}

Info describes the Talos cluster.

type K8sProvider 

type K8sProvider interface {
	Kubeconfig(ctx context.Context) ([]byte, error)
	K8sRestConfig(ctx context.Context) (*rest.Config, error)
	K8sClient(ctx context.Context) (*kubernetes.Clientset, error)
	K8sHelper(ctx context.Context) (*k8s.Client, error)
	K8sClose() error
}

K8sProvider builds Kubernetes client to access Talos cluster.

type KubernetesClient 

type KubernetesClient struct {
	// Base Talos client provider.
	ClientProvider

	// ForceEndpoint overrides default Kubernetes API endpoint.
	ForceEndpoint string

	KubeHelper *k8s.Client
	// contains filtered or unexported fields
}

KubernetesClient provides Kubernetes client built via Talos API Kubeconfig.

func (*KubernetesClient) K8sClient 

func (k *KubernetesClient) K8sClient(ctx context.Context) (*kubernetes.Clientset, error)

K8sClient builds Kubernetes client via Talos Kubeconfig API.

Kubernetes client instance is cached.

func (*KubernetesClient) K8sClose 

func (k *KubernetesClient) K8sClose() error

K8sClose closes Kubernetes client.

func (*KubernetesClient) K8sHelper 

func (k *KubernetesClient) K8sHelper(ctx context.Context) (*k8s.Client, error)

K8sHelper returns wrapper around K8sClient.

func (*KubernetesClient) K8sRestConfig 

func (k *KubernetesClient) K8sRestConfig(ctx context.Context) (*rest.Config, error)

K8sRestConfig returns *rest.Config (parsed kubeconfig).

func (*KubernetesClient) Kubeconfig 

func (k *KubernetesClient) Kubeconfig(ctx context.Context) ([]byte, error)

Kubeconfig returns raw kubeconfig.

Kubeconfig is cached.

type KubernetesFromKubeletClient 

type KubernetesFromKubeletClient struct {
	KubeHelper *kubernetes.Client
	// contains filtered or unexported fields
}

KubernetesFromKubeletClient provides Kubernetes client built from local kubelet config.

func (*KubernetesFromKubeletClient) K8sClient 

func (k *KubernetesFromKubeletClient) K8sClient(ctx context.Context) (*k8s.Clientset, error)

K8sClient builds Kubernetes client from local kubelet config.

Kubernetes client instance is cached.

func (*KubernetesFromKubeletClient) K8sClose 

func (k *KubernetesFromKubeletClient) K8sClose() error

K8sClose closes Kubernetes client.

func (*KubernetesFromKubeletClient) K8sHelper 

func (k *KubernetesFromKubeletClient) K8sHelper(ctx context.Context) (*kubernetes.Client, error)

K8sHelper returns wrapper around K8sClient.

type LocalClientProvider 

type LocalClientProvider struct {
	// contains filtered or unexported fields
}

LocalClientProvider builds Talos client to connect to same-node apid instance over file socket.

func (*LocalClientProvider) Client 

func (c *LocalClientProvider) Client(endpoints ...string) (*client.Client, error)

Client returns Talos client instance for default (if no endpoints are given) or specific endpoints.

Client implements ClientProvider interface.

func (*LocalClientProvider) Close 

func (c *LocalClientProvider) Close() error

Close all the client connections.

type NodeInfo 

type NodeInfo struct {
	InternalIP netip.Addr
	IPs        []netip.Addr
}

NodeInfo describes a Talos node.

func IPToNodeInfo 

func IPToNodeInfo(ip string) (*NodeInfo, error)

IPToNodeInfo converts a node internal IP to a NodeInfo.

func IPsToNodeInfos 

func IPsToNodeInfos(ips []string) ([]NodeInfo, error)

IPsToNodeInfos converts list of IPs to a list of NodeInfos.

func MapProvisionNodeInfosToClusterNodeInfos 

func MapProvisionNodeInfosToClusterNodeInfos(nodes []provision.NodeInfo) ([]NodeInfo, error)

MapProvisionNodeInfosToClusterNodeInfos maps provision.NodeInfos to cluster.NodeInfos.

Source Files

View all Source files

Directories

Path Synopsis
Package check provides set of checks to verify cluster readiness.
 Package check provides set of checks to verify cluster readiness.
Package kubernetes provides cluster-wide kubernetes utilities.
 Package kubernetes provides cluster-wide kubernetes utilities.
Package sonobuoy provides functions to run Kubernetes e2e tests.
 Package sonobuoy provides functions to run Kubernetes e2e tests.

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