cluster

package
v1.0.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Sep 10, 2020 License: Apache-2.0 Imports: 50 Imported by: 0

Documentation

Overview

Package cluster contains the functions for bootstrapping a Kubernetes cluster node.

Index

Constants

View Source 
const (
	// DefaultClusterDNSIP defines default DNS IP
	DefaultClusterDNSIP            = "10.254.0.10"
	DefaultBootstrapServerBindPort = 8080
	DefaultKubeAPIServerPort       = 6443
)
View Source 
const (
	DefaultKubeletDir = "/var/lib/kubelet"
)

Variables

View Source 
var (
	CritConfigName = "crit-config"

	CritConfigRole = &rbacv1.Role{
		ObjectMeta: metav1.ObjectMeta{
			Name:      CritConfigName,
			Namespace: metav1.NamespaceSystem,
		},
		Rules: []rbacv1.PolicyRule{
			{
				Verbs:         []string{"get"},
				APIGroups:     []string{""},
				Resources:     []string{"configmaps"},
				ResourceNames: []string{CritConfigName},
			},
		},
	}

	CritConfigRoleBinding = &rbacv1.RoleBinding{
		ObjectMeta: metav1.ObjectMeta{
			Name:      CritConfigName,
			Namespace: metav1.NamespaceSystem,
		},
		RoleRef: rbacv1.RoleRef{
			APIGroup: rbacv1.GroupName,
			Kind:     "Role",
			Name:     CritConfigName,
		},
		Subjects: []rbacv1.Subject{
			{
				Kind: rbacv1.GroupKind,
				Name: "system:nodes",
			},
			{
				Kind: rbacv1.GroupKind,
				Name: "system:bootstrappers:crit:default-node-token",
			},
		},
	}
)
View Source 
var (
	// MinKubeVersion indicates the lowest version that crit will provision
	MinKubeVersion = version.MustParseSemantic("v1.14.0")

	// MaxKubeVersion indicates the highest version that crit will provision.
	// However, versions higher than this will only produce a warning.
	MaxKubeVersion = version.MustParseSemantic("v1.19.0")
)
View Source 
var Files = func() http.FileSystem {
	fs := vfsgen۰FS{
		"/": &vfsgen۰DirInfo{
			name:    "/",
			modTime: time.Time{},
		},
		"/audit-policy.yaml": &vfsgen۰CompressedFileInfo{
			name:             "audit-policy.yaml",
			modTime:          time.Time{},
			uncompressedSize: 5520,

			compressedContent: 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		},
		"/coredns.yaml": &vfsgen۰CompressedFileInfo{
			name:             "coredns.yaml",
			modTime:          time.Time{},
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			compressedContent: 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		},
		"/psp-restricted.yaml": &vfsgen۰CompressedFileInfo{
			name:             "psp-restricted.yaml",
			modTime:          time.Time{},
			uncompressedSize: 2195,

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		},
	}
	fs["/"].(*vfsgen۰DirInfo).entries = []os.FileInfo{
		fs["/audit-policy.yaml"].(os.FileInfo),
		fs["/coredns.yaml"].(os.FileInfo),
		fs["/kube-proxy.yaml"].(os.FileInfo),
		fs["/psp-privileged.yaml"].(os.FileInfo),
		fs["/psp-restricted.yaml"].(os.FileInfo),
	}

	return fs
}()

Files statically implements the virtual filesystem provided to vfsgen.

Functions

func Execute 

func Execute(path string, v interface{}) ([]byte, error)

Execute applies a template from embedded files in this package.

func RunControlPlane 

func RunControlPlane(ctx context.Context, rc *RuntimeConfig, cfg *config.ControlPlaneConfiguration) error

RunControlPlane creates a new control plane node.

func RunWorkerNode 

func RunWorkerNode(ctx context.Context, rc *RuntimeConfig, cfg *config.WorkerConfiguration) error

RunWorkerNode creates a new worker node.

Types

type Cluster 

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

func New 

func New(kubeConfigFile string, rc *RuntimeConfig) *Cluster

func (*Cluster) Add 

func (c *Cluster) Add(fns ...interface{})

func (*Cluster) Client 

func (c *Cluster) Client() *kubernetes.Clientset

func (*Cluster) Config 

func (c *Cluster) Config() *rest.Config

func (*Cluster) ControlPlanePreCheck 

func (c *Cluster) ControlPlanePreCheck(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) CreateNodeCerts 

func (c *Cluster) CreateNodeCerts(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

CreateNodeCerts generates certs specific to the node. This should run after the shared cluster certs have been created/downloaded.

func (*Cluster) CreateOrDownloadCerts 

func (c *Cluster) CreateOrDownloadCerts(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) DeployCoreDNS 

func (c *Cluster) DeployCoreDNS(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) DeployKubeProxy 

func (c *Cluster) DeployKubeProxy(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) EnableCSRApprover 

func (c *Cluster) EnableCSRApprover(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) MarkControlPlane 

func (c *Cluster) MarkControlPlane(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) StartKubelet 

func (c *Cluster) StartKubelet(ctx context.Context, cfg *config.NodeConfiguration) error

func (*Cluster) StopKubelet 

func (c *Cluster) StopKubelet(ctx context.Context, cfg *config.NodeConfiguration) error

func (*Cluster) UploadAuthProxyCA 

func (c *Cluster) UploadAuthProxyCA(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) UploadETCDSecrets 

func (c *Cluster) UploadETCDSecrets(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) UploadInfo 

func (c *Cluster) UploadInfo(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) WaitClusterAvailable 

func (c *Cluster) WaitClusterAvailable(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) WorkerPreCheck 

func (c *Cluster) WorkerPreCheck(ctx context.Context, cfg *config.WorkerConfiguration) error

func (*Cluster) WriteBootstrapKubeletConfig 

func (c *Cluster) WriteBootstrapKubeletConfig(ctx context.Context, cfg *config.WorkerConfiguration) error

func (*Cluster) WriteBootstrapServerManifest 

func (c *Cluster) WriteBootstrapServerManifest(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) WriteKubeConfigs 

func (c *Cluster) WriteKubeConfigs(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) WriteKubeManifests 

func (c *Cluster) WriteKubeManifests(ctx context.Context, cfg *config.ControlPlaneConfiguration) error

func (*Cluster) WriteKubeletConfigs 

func (c *Cluster) WriteKubeletConfigs(ctx context.Context, cfg *config.NodeConfiguration) error

type ClusterFile 

type ClusterFile struct {
	Name string `e2db:"id"`
	Mode os.FileMode
	Data []byte
}

func (*ClusterFile) Write 

func (c *ClusterFile) Write() error

type RuntimeConfig 

type RuntimeConfig struct {
	KubeletTimeout time.Duration
	Verbose        bool
}

Source Files

View all Source files

Directories

Path Synopsis
Package bootstrap contains functions for bootstrapping Kubernetes nodes.
 Package bootstrap contains functions for bootstrapping Kubernetes nodes.
authorizers
authorizers/ec2metadata
Package components contains functions for configuring and creating Kubernetes components.
 Package components contains functions for configuring and creating Kubernetes components.
util

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