pod

package
v0.0.0-...-9bd628c Latest Latest
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 Go to latest Published: Apr 7, 2019 License: MIT Imports: 16 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AreAllPodsRunning 

func AreAllPodsRunning(podPrefix, namespace string) (bool, error)

AreAllPodsRunning will return true if all pods in a given namespace are in a Running State

func AreAllPodsSucceeded 

func AreAllPodsSucceeded(podPrefix, namespace string) (bool, bool, error)

AreAllPodsSucceeded returns true, false if all pods in a given namespace are in a Running State returns false, true if any one pod is in a Failed state

func ReplaceContainerImageFromFile 

func ReplaceContainerImageFromFile(filename, containerImage string) (string, error)

ReplaceContainerImageFromFile loads in a YAML, finds the image: line, and replaces it with the value of containerImage

func RunCommandMultipleTimes 

func RunCommandMultipleTimes(podRunnerCmd podRunnerCmd, image, name, command string, desiredAttempts int, sleep, duration time.Duration) (int, error)

RunCommandMultipleTimes runs the same command 'desiredAttempts' times

func WaitOnReady 

func WaitOnReady(podPrefix, namespace string, successesNeeded int, sleep, duration time.Duration) (bool, error)

WaitOnReady is used when you dont have a handle on a pod but want to wait until its in a Ready state. successesNeeded is used to make sure we return the correct value even if the pod is in a CrashLoop

func WaitOnSucceeded 

func WaitOnSucceeded(podPrefix, namespace string, sleep, duration time.Duration) (bool, error)

WaitOnSucceeded is used when you dont have a handle on a pod but want to wait until its in a Succeeded state.

Types

type Container 

type Container struct {
	Image     string    `json:"image"`
	Ports     []Port    `json:"ports"`
	Env       []EnvVar  `json:"env"`
	Resources Resources `json:"resources"`
}

Container holds information like image and ports

func (*Container) GetEnvironmentVariable 

func (c *Container) GetEnvironmentVariable(varName string) (string, error)

GetEnvironmentVariable returns an environment variable value from a container within a pod

func (*Container) ValidateResources 

func (c *Container) ValidateResources(a api.KubernetesContainerSpec) error

ValidateResources checks that an addon has the expected memory/cpu limits and requests

type ContainerState 

type ContainerState struct {
	Terminated TerminatedContainerState `json:"terminated"`
}

ContainerState has state of a container

type ContainerStatus 

type ContainerStatus struct {
	ContainerID  string         `json:"containerID"`
	Image        string         `json:"image"`
	ImageID      string         `json:"imageID"`
	Name         string         `json:"name"`
	Ready        bool           `json:"ready"`
	RestartCount int            `json:"restartCount"`
	State        ContainerState `json:"state"`
	LastState    ContainerState `json:"lastState"`
}

ContainerStatus has status of a container

type EnvVar 

type EnvVar struct {
	Name  string `json:"name"`
	Value string `json:"value"`
}

EnvVar holds environment variables

type Limits 

type Limits struct {
	CPU    string `json:"cpu"`
	Memory string `json:"memory"`
}

Limits represents container resource limits

type List 

type List struct {
	Pods []Pod `json:"items"`
}

List is a container that holds all pods returned from doing a kubectl get pods

func GetAll 

func GetAll(namespace string) (*List, error)

GetAll will return all pods in a given namespace

type Metadata 

type Metadata struct {
	CreatedAt time.Time         `json:"creationTimestamp"`
	Labels    map[string]string `json:"labels"`
	Name      string            `json:"name"`
	Namespace string            `json:"namespace"`
}

Metadata holds information like name, createdat, labels, and namespace

type Pod 

type Pod struct {
	Metadata Metadata `json:"metadata"`
	Spec     Spec     `json:"spec"`
	Status   Status   `json:"status"`
}

Pod is used to parse data from kubectl get pods

func CreatePodFromFile 

func CreatePodFromFile(filename, name, namespace string, sleep, duration time.Duration) (*Pod, error)

CreatePodFromFile will create a Pod from file with a name

func Get 

func Get(podName, namespace string) (*Pod, error)

Get will return a pod with a given name and namespace

func GetAllByPrefix 

func GetAllByPrefix(prefix, namespace string) ([]Pod, error)

GetAllByPrefix will return all pods in a given namespace that match a prefix

func GetTerminated 

func GetTerminated(podName, namespace string) (*Pod, error)

GetTerminated will return a pod with a given name and namespace, including terminated pods

func GetWithRetry 

func GetWithRetry(podPrefix, namespace string, sleep, duration time.Duration) (*Pod, error)

GetWithRetry gets a pod, allowing for retries

func RunLinuxPod 

func RunLinuxPod(image, name, namespace, command string, printOutput bool, sleep, duration time.Duration) (*Pod, error)

RunLinuxPod will create a pod that runs a bash command --overrides := `"spec": {"nodeSelector":{"beta.kubernetes.io/os":"windows"}}}`

func RunWindowsPod 

func RunWindowsPod(image, name, namespace, command string, printOutput bool, sleep, duration time.Duration) (*Pod, error)

RunWindowsPod will create a pod that runs a powershell command --overrides := `"spec": {"nodeSelector":{"beta.kubernetes.io/os":"windows"}}}`

func (*Pod) CheckLinuxOutboundConnection 

func (p *Pod) CheckLinuxOutboundConnection(sleep, duration time.Duration) (bool, error)

CheckLinuxOutboundConnection will keep retrying the check if an error is received until the timeout occurs or it passes. This helps us when DNS may not be available for some time after a pod starts.

func (*Pod) CheckWindowsOutboundConnection 

func (p *Pod) CheckWindowsOutboundConnection(url string, sleep, duration time.Duration) (bool, error)

CheckWindowsOutboundConnection will keep retrying the check if an error is received until the timeout occurs or it passes. This helps us when DNS may not be available for some time after a pod starts.

func (*Pod) Delete 

func (p *Pod) Delete(retries int) error

Delete will delete a Pod in a given namespace

func (*Pod) Exec 

func (p *Pod) Exec(c ...string) ([]byte, error)

Exec will execute the given command in the pod

func (*Pod) ValidateAzureFile 

func (p *Pod) ValidateAzureFile(mountPath string, sleep, duration time.Duration) (bool, error)

ValidateAzureFile will keep retrying the check if azure file is mounted in Pod

func (*Pod) ValidateCurlConnection 

func (p *Pod) ValidateCurlConnection(uri string, sleep, duration time.Duration) (bool, error)

ValidateCurlConnection connects to a URI on TCP 80

func (*Pod) ValidateHostPort 

func (p *Pod) ValidateHostPort(check string, attempts int, sleep time.Duration, master, sshKeyPath string) bool

ValidateHostPort will attempt to run curl against the POD's hostIP and hostPort

func (*Pod) ValidateOmsAgentLogs 

func (p *Pod) ValidateOmsAgentLogs(execCmdString string, sleep, duration time.Duration) (bool, error)

ValidateOmsAgentLogs validates omsagent logs

func (*Pod) ValidatePVC 

func (p *Pod) ValidatePVC(mountPath string, sleep, duration time.Duration) (bool, error)

ValidatePVC will keep retrying the check if azure disk is mounted in Pod

func (*Pod) WaitOnReady 

func (p *Pod) WaitOnReady(sleep, duration time.Duration) (bool, error)

WaitOnReady will call the static method WaitOnReady passing in p.Metadata.Name and p.Metadata.Namespace

func (*Pod) WaitOnSucceeded 

func (p *Pod) WaitOnSucceeded(sleep, duration time.Duration) (bool, error)

WaitOnSucceeded will call the static method WaitOnSucceeded passing in p.Metadata.Name and p.Metadata.Namespace

type Port 

type Port struct {
	ContainerPort int `json:"containerPort"`
	HostPort      int `json:"hostPort"`
}

Port represents a container port definition

type Requests 

type Requests struct {
	CPU    string `json:"cpu"`
	Memory string `json:"memory"`
}

Requests represents container resource requests

type Resources 

type Resources struct {
	Requests Requests `json:"requests"`
	Limits   Limits   `json:"limits"`
}

Resources represents a container resources definition

type Spec 

type Spec struct {
	Containers []Container `json:"containers"`
	NodeName   string      `json:"nodeName"`
}

Spec holds information like containers

type Status 

type Status struct {
	HostIP            string            `json:"hostIP"`
	Phase             string            `json:"phase"`
	PodIP             string            `json:"podIP"`
	StartTime         time.Time         `json:"startTime"`
	ContainerStatuses []ContainerStatus `json:"containerStatuses"`
}

Status holds information like hostIP and phase

type TerminatedContainerState 

type TerminatedContainerState struct {
	ContainerID string `json:"containerID"`
	ExitCode    int    `json:"exitCode"`
	FinishedAt  string `json:"finishedAt"`
	Reason      string `json:"reason"`
	StartedAt   string `json:"startedAt"`
}

TerminatedContainerState shows terminated state of a container

Source Files

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