k8s

package
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 Go to latest Published: Oct 8, 2024 License: MIT Imports: 47 Imported by: 0

Documentation

Overview

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Copyright (C) 2021-2023, Kubefirst

This program is licensed under MIT. See the LICENSE file for more details.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CheckForExistingPortForwards 

func CheckForExistingPortForwards(ports ...int) error

CheckForExistingPortForwards determines whether or not port forwards are already running

func CreateSecretV2 

func CreateSecretV2(clientset kubernetes.Interface, secret *v1.Secret) error

CreateSecretV2 creates a Kubernetes Secret

func DeleteSecretV2 

func DeleteSecretV2(clientset kubernetes.Interface, namespace string, secretName string) error

DeleteSecretV2 reads the content of a Kubernetes Secret

func GetClientConfig 

func GetClientConfig(kubeconfigPath string) (*rest.Config, error)

GetClientConfig returns a rest.Config object for working with the Kubernetes API

func GetClientSet 

func GetClientSet(kubeconfigPath string) (*kubernetes.Clientset, error)

GetClientSet - Get reference to k8s credentials to use APIS

func GetSecretValue 

func GetSecretValue(k8sClient coreV1Types.SecretInterface, secretName, key string) string

func OpenPortForwardPodWrapper 

func OpenPortForwardPodWrapper(
	clientset kubernetes.Interface,
	restConfig *rest.Config,
	podName string,
	namespace string,
	podPort int,
	podLocalPort int,
	stopChannel chan struct{},
) error

func PodExecSession 

func PodExecSession(kubeConfigPath string, p *PodSessionOptions, silent bool) error

PodExecSession executes a command against a Pod

func PortForwardPod 

func PortForwardPod(clientset kubernetes.Interface, req PortForwardAPodRequest) error

PortForwardPod receives a PortForwardAPodRequest, and enables port forwarding for the specified resource. If the provided Pod name matches a running Pod, it will try to port forward for that Pod on the specified port.

func PortForwardPodWithRetry 

func PortForwardPodWithRetry(clientset kubernetes.Interface, req PortForwardAPodRequest) error

func ReadConfigMapV2 

func ReadConfigMapV2(kubeConfigPath, namespace, configMapName string) (map[string]string, error)

ReadConfigMapV2 reads the content of a Kubernetes ConfigMap

func ReadSecretV2 

func ReadSecretV2(clientset kubernetes.Interface, namespace, secretName string) (map[string]string, error)

ReadSecretV2 reads the content of a Kubernetes Secret

func ReadSecretV2Old 

func ReadSecretV2Old(clientset kubernetes.Interface, namespace string, secretName string) (map[string]interface{}, error)

ReadSecretV2 reads the content of a Kubernetes Secret

func ReadService 

func ReadService(kubeConfigPath, namespace, serviceName string) (*v1.Service, error)

ReadService reads a Kubernetes Service object

func ReturnDeploymentObject 

func ReturnDeploymentObject(client kubernetes.Interface, matchLabel string, matchLabelValue string, namespace string, timeoutSeconds int) (*appsv1.Deployment, error)

func ReturnJobObject 

func ReturnJobObject(clientset kubernetes.Interface, namespace, jobName string) (*batchv1.Job, error)

ReturnJobObject returns a matching appsv1.StatefulSet object based on the filters

func ReturnPodObject 

func ReturnPodObject(kubeConfigPath, matchLabel, matchLabelValue, namespace string, timeoutSeconds int) (*v1.Pod, error)

ReturnPodObject returns a matching v1.Pod object based on the filters

func ReturnStatefulSetObject 

func ReturnStatefulSetObject(clientset kubernetes.Interface, matchLabel, matchLabelValue, namespace string, timeoutSeconds int) (*appsv1.StatefulSet, error)

ReturnStatefulSetObject returns a matching appsv1.StatefulSet object based on the filters

func UpdateSecretV2 

func UpdateSecretV2(clientset kubernetes.Interface, namespace string, secretName string, secretValues map[string][]byte) error

UpdateSecretV2 updates the key value pairs of a Kubernetes Secret

func VerifyArgoCDReadiness 

func VerifyArgoCDReadiness(clientset kubernetes.Interface, highAvailabilityEnabled bool, timeoutSeconds int) (bool, error)

VerifyArgoCDReadiness waits for critical resources within ArgoCD to be ready and only returns once they're all healthy

This helps prevent race conditions and timeouts

func WaitForDeploymentReady 

func WaitForDeploymentReady(clientset kubernetes.Interface, deployment *appsv1.Deployment, timeoutSeconds int) (bool, error)

WaitForDeploymentReady waits for a target Deployment to become ready

func WaitForJobComplete 

func WaitForJobComplete(clientset kubernetes.Interface, jobName, jobNamespace string, timeoutSeconds int64) (bool, error)

WaitForJobComplete waits for a target Job to reach completion

func WaitForNamespaceandPods 

func WaitForNamespaceandPods(kubeconfigPath, kubectlClientPath, namespace, podLabel string)

func WaitForPodReady 

func WaitForPodReady(clientset kubernetes.Interface, pod *v1.Pod, timeoutSeconds int) (bool, error)

WaitForPodReady waits for a target Pod to become ready

func WaitForStatefulSetReady 

func WaitForStatefulSetReady(clientset kubernetes.Interface, statefulset *appsv1.StatefulSet, timeoutSeconds int, ignoreReady bool) (bool, error)

WaitForStatefulSetReady waits for a target StatefulSet to become ready

Types

type KubernetesClient 

type KubernetesClient struct {
	Clientset      kubernetes.Interface
	RestConfig     *rest.Config
	KubeConfigPath string
}

func CreateKubeConfig 

func CreateKubeConfig(inCluster bool, kubeConfigPath string) (*KubernetesClient, error)

CreateKubeConfig returns a struct KubernetesClient with references to a clientset, restConfig, and path to the Kubernetes config used to generate the client

func (KubernetesClient) ApplyObjects 

func (kcl KubernetesClient) ApplyObjects(yamlData [][]byte) error

ApplyObjects parses a structured Kubernetes-compatible yaml file and applies its objects to a target Kubernetes cluster

func (KubernetesClient) KustomizeBuild 

func (kcl KubernetesClient) KustomizeBuild(kustomizationDirectory string) (*bytes.Buffer, error)

KustomizeBuild parses a file path and returns manifests built via kustomization.yaml if present

kustomizationDirectory should be a directory containing a kustomization.yaml file and subsequent configuration

The return values is a string representation of parsed resources in yaml

func (KubernetesClient) ReadYAMLFile 

func (kcl KubernetesClient) ReadYAMLFile(filepath string) (string, error)

ReadYAMLFile reads a yaml file in the filesystem

func (KubernetesClient) SplitYAMLFile 

func (kcl KubernetesClient) SplitYAMLFile(yamlData *bytes.Buffer) ([][]byte, error)

SplitYAMLFile takes a separated (---) yaml doc and returns [][]byte

type PatchJSON 

type PatchJSON struct {
	Op   string `json:"op"`
	Path string `json:"path"`
}

type PodSessionOptions 

type PodSessionOptions struct {
	Command    []string
	Namespace  string
	PodName    string
	Stdin      bool
	Stdout     bool
	Stderr     bool
	TtyEnabled bool
}

podSessionOptions provides a struct to assign parameters to an exec session

type PortForwardAPodRequest 

type PortForwardAPodRequest struct {
	// RestConfig is the kubernetes config
	RestConfig *rest.Config
	// Pod is the selected pod for this port forwarding
	Pod v1.Pod
	// LocalPort is the local port that will be selected to expose the PodPort
	LocalPort int
	// PodPort is the target port for the pod
	PodPort int

	// StopCh is the channel used to manage the port forward lifecycle
	StopCh <-chan struct{}
	// ReadyCh communicates when the tunnel is ready to receive traffic
	ReadyCh chan struct{}
}

type PortForwardAServiceRequest 

type PortForwardAServiceRequest struct {
	// RestConfig is the kubernetes config
	RestConfig *rest.Config
	// Service is the selected service for this port forwarding
	Service v1.Service
	// LocalPort is the local port that will be selected to expose the ServicePort
	LocalPort int
	// ServicePort is the target port for the service
	ServicePort int

	// StopCh is the channel used to manage the port forward lifecycle
	StopCh <-chan struct{}
	// ReadyCh communicates when the tunnel is ready to receive traffic
	ReadyCh chan struct{}
}

Source Files

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