k8s

package
v0.18.0 Latest Latest
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 Go to latest Published: Apr 27, 2022 License: Apache-2.0 Imports: 44 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	DistroIsUnknown       = "unknown"
	DistroIsK3s           = "k3s"
	DistroIsK3d           = "k3d"
	DistroIsKind          = "kind"
	DistroIsMicroK8s      = "microk8s"
	DistroIsEKS           = "eks"
	DistroIsEKSAnywhere   = "eksanywhere"
	DistroIsDockerDesktop = "dockerdesktop"
	DistroIsGKE           = "gke"
	DistroIsAKS           = "aks"
	DistroIsRKE2          = "rke2"
	DistroIsTKG           = "tkg"
)
View Source 
const (
	ZarfNamespace       = "zarf"
	ZarfStateSecretName = "zarf-state"
	ZarfStateDataKey    = "state"
)
View Source 
const (
	PodResource  = "pod"
	SvcResource  = "svc"
	ZarfRegistry = "REGISTRY"
	ZarfLogging  = "LOGGING"
	ZarfGit      = "GIT"
)
View Source 
const (
	PortRegistry = iota + 45001
	PortLogging
	PortGit
)

Variables

This section is empty.

Functions

func CreateConfigmap 

func CreateConfigmap(namespace, name string, labels map[string]string, data map[string][]byte) (*corev1.ConfigMap, error)

CreateConfigmap applys a configmap to the cluster

func CreateNamespace 

func CreateNamespace(name string, namespace *corev1.Namespace) (*corev1.Namespace, error)

func CreatePod 

func CreatePod(pod *corev1.Pod) (*corev1.Pod, error)

CreatePod inserts the given pod into the cluster

func CreateSecret 

func CreateSecret(secret *corev1.Secret) error

func CreateService 

func CreateService(service *corev1.Service) (*corev1.Service, error)

CreateService creates the given service in the cluster.

func DeleteConfigMapsByLabel 

func DeleteConfigMapsByLabel(namespace string, labels map[string]string) error

DeleteConfigMapsByLabel deletes a configmap by label(s)

func DeleteConfigmap 

func DeleteConfigmap(namespace, name string) error

DeleteConfigmap delets a confimap by name

func DeletePod 

func DeletePod(namespace string, name string) error

DeletePod removees a pod from the cluster by namespace & name

func DeleteSecret 

func DeleteSecret(secret *corev1.Secret) error

func DeleteService 

func DeleteService(namespace, name string) error

DeleteService removes a service from the cluster by namespace and name.

func DeleteZarfNamespace 

func DeleteZarfNamespace()

func DetectDistro 

func DetectDistro() (string, error)

DetectDistro returns the matching distro or unknown if not found

func GeneratePod 

func GeneratePod(name, namespace string) *corev1.Pod

GeneratePod creates a new pod without adding it to the k8s cluster

func GenerateRegistryPullCreds 

func GenerateRegistryPullCreds(namespace, name string) *corev1.Secret

func GenerateService 

func GenerateService(namespace, name string) *corev1.Service

GenerateService returns a K8s service struct without writing to the cluster

func GenerateTLSSecret 

func GenerateTLSSecret(namespace, name, certPath, keyPath string) *corev1.Secret

func GetAllImages 

func GetAllImages() ([]string, error)

GetAllImages returns a list of images found in pods in the cluster.

func GetAllPods 

func GetAllPods() (*corev1.PodList, error)

GetAllPods returns a list of pods from the cluster for all namesapces

func GetAllServiceAccounts 

func GetAllServiceAccounts() (*corev1.ServiceAccountList, error)

GetAllServiceAccounts returns a list of services accounts for all namespaces.

func GetArchitecture 

func GetArchitecture() (string, error)

GetArchitecture returns the cluster system architecture if found or an error if not

func GetAvailablePort 

func GetAvailablePort() (int, error)

GetAvailablePort retrieves an available port on the host machine. This delegates the port selection to the golang net library by starting a server and then checking the port that the server is using.

func GetContext 

func GetContext() (string, error)

GetContext returns the current k8s context

func GetImages 

func GetImages(namespace string) ([]string, error)

GetImages returns all images for in pods in a given namespace.

func GetNamespaces 

func GetNamespaces() (*corev1.NamespaceList, error)

func GetNodes 

func GetNodes() (*corev1.NodeList, error)

GetNodes returns a list of nodes from the k8s cluster.

func GetPods 

func GetPods(namespace string) (*corev1.PodList, error)

GetPods returns a list of pods from the cluster by namespace

func GetSecret 

func GetSecret(namespace, name string) (*corev1.Secret, error)

func GetService 

func GetService(namespace, serviceName string) (*corev1.Service, error)

GetService returns a Kubernetes service resource in the provided namespace with the given name.

func GetServiceAccount 

func GetServiceAccount(namespace, name string) (*corev1.ServiceAccount, error)

GetServiceAccount reutrns a single service account by namespace and name.

func GetServiceAccounts 

func GetServiceAccounts(namespace string) (*corev1.ServiceAccountList, error)

GetServiceAccounts returns a list of service accounts in a given namespace

func GetServicesByLabel 

func GetServicesByLabel(namespace, label, value string) (*corev1.ServiceList, error)

GetServicesByLabel returns a list of matched services given a label and value. To search all namespaces, pass "" in the namespace arg

func GetServicesByLabelExists 

func GetServicesByLabelExists(namespace, label string) (*corev1.ServiceList, error)

GetServicesByLabelExists returns a list of matched services given a label. To search all namespaces, pass "" in the namespace arg

func LoadZarfState 

func LoadZarfState() types.ZarfState

LoadZarfState returns the current zarf/zarf-state secret data or an empty ZarfState

func ProcessYamlFilesInPath 

func ProcessYamlFilesInPath(path string, componentImages []string) []string

ProcessYamlFilesInPath iterates over all yaml files in a given path and performs Zarf templating + image swapping

func ReplaceConfigmap 

func ReplaceConfigmap(namespace, name string, labels map[string]string, data map[string][]byte) (*corev1.ConfigMap, error)

ReplaceConfigmap deletes and recreates a configmap

func ReplaceSecret 

func ReplaceSecret(secret *corev1.Secret) error

func ReplaceTLSSecret 

func ReplaceTLSSecret(namespace, name, certPath, keyPath string)

func SaveServiceAccount 

func SaveServiceAccount(svcAccount *corev1.ServiceAccount) (*corev1.ServiceAccount, error)

SaveServiceAccount updates the given service account in the cluster

func SaveZarfState 

func SaveZarfState(state types.ZarfState) error

SaveZarfState takes a given state and makepersists it to the zarf/zarf-state secret

func SortImages 

func SortImages(images, compareWith ImageMap) []string

SortImages returns a sorted list of images.

func SplitYAML 

func SplitYAML(yamlData []byte) ([]*unstructured.Unstructured, error)

SplitYAML splits a YAML file into unstructured objects. Returns list of all unstructured objects found in the yaml. If an error occurs, returns objects that have been parsed so far too. Source: https://github.com/argoproj/gitops-engine/blob/v0.5.2/pkg/utils/kube/kube.go#L286

func WaitForHealthyCluster 

func WaitForHealthyCluster(timeout time.Duration) error

WaitForHealthyCluster checks for an available K8s cluster every second until timeout.

func WaitForPodsAndContainers 

func WaitForPodsAndContainers(target types.ZarfContainerTarget, waitForAllPods bool) []string

WaitForPodsAndContainers holds execution up to 30 seconds waiting for health pods and containers (if specified)

Types

type DockerConfig 

type DockerConfig struct {
	Auths DockerConfigEntry `json:"auths"`
}

type DockerConfigEntry 

type DockerConfigEntry map[string]DockerConfigEntryWithAuth

type DockerConfigEntryWithAuth 

type DockerConfigEntryWithAuth struct {
	Auth string `json:"auth"`
}

type ImageMap 

type ImageMap map[string]bool

func BuildImageMap 

func BuildImageMap(images ImageMap, pod corev1.PodSpec) ImageMap

BuildImageMap looks for init container, ephemeral and regular container images.

type ImageSwap 

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

ImageSwap Pre-compute all the replacements for the embedded registry

type Tunnel 

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

Tunnel is the main struct that configures and manages port forwading tunnels to Kubernetes resources.

func NewTunnel 

func NewTunnel(namespace, resourceType, resourceName string, local, remote int) *Tunnel

NewTunnel will create a new Tunnel struct Note that if you use 0 for the local port, an open port on the host system will be selected automatically, and the Tunnel struct will be updated with the selected port.

func NewZarfTunnel 

func NewZarfTunnel() *Tunnel

func (*Tunnel) AddSpinner 

func (tunnel *Tunnel) AddSpinner(spinner *message.Spinner)

func (*Tunnel) Close 

func (tunnel *Tunnel) Close()

Close disconnects a tunnel connection by closing the StopChan, thereby stopping the goroutine.

func (*Tunnel) Connect 

func (tunnel *Tunnel) Connect(target string, blocking bool)

func (*Tunnel) EnableAutoOpen 

func (tunnel *Tunnel) EnableAutoOpen()

func (*Tunnel) Endpoint 

func (tunnel *Tunnel) Endpoint() string

Endpoint returns the tunnel endpoint

func (*Tunnel) Establish 

func (tunnel *Tunnel) Establish() (string, error)

Establish opens a tunnel to a kubernetes resource, as specified by the provided tunnel struct.

Source Files

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