dao

package
v0.17.0 Latest Latest
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 Go to latest Published: Feb 26, 2020 License: Apache-2.0, Apache-2.0 Imports: 61 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var MetaAccess = NewMeta()

MetaAccess tracks resources metadata.

View Source 
var RestMapping = &RestMapper{}

RestMapping holds k8s resource mapping

Functions

func BenchConfigFor added in v0.15.2 

func BenchConfigFor(benchFile, path string) config.BenchConfig

BenchConfigFor returns a custom bench spec if defined otherwise returns the default one.

func Describe 

func Describe(c client.Connection, gvr client.GVR, path string) (string, error)

Describe describes a resource.

func FQN 

func FQN(ns, n string) string

FQN returns a fully qualified resource name.

func FetchNodes 

func FetchNodes(f Factory, labelsSel string) (*v1.NodeList, error)

FetchNodes retrieves all nodes.

func IsK8sMeta 

func IsK8sMeta(m metav1.APIResource) bool

IsK8sMeta checks for non resource meta.

func IsK9sMeta 

func IsK9sMeta(m metav1.APIResource) bool

IsK9sMeta checks for non resource meta.

func IsOpenFaasEnabled added in v0.15.0 

func IsOpenFaasEnabled() bool

IsOpenFaasEnabled returns true if a gateway url is set in the environment.

func MetaFQN 

func MetaFQN(m metav1.ObjectMeta) string

MetaFQN returns a fully qualified resource name.

func PodToKey added in v0.15.2 

func PodToKey(path string) string

PodToKey converts a pod path to a generic bench config key

func PortForwardID added in v0.15.2 

func PortForwardID(path, co string) string

PortForwardID computes port-forward identifier.

func ToYAML 

func ToYAML(o runtime.Object) (string, error)

ToYAML converts a resource to its YAML representation.

func Truncate 

func Truncate(str string, width int) string

Truncate a string to the given l and suffix ellipsis if needed.

Types

type Accessor 

type Accessor interface {
	Lister
	Getter

	// Init the resource with a factory object.
	Init(Factory, client.GVR)

	// GVR returns a gvr a string.
	GVR() string
}

Accessor represents an accessible k8s resource.

func AccessorFor 

func AccessorFor(f Factory, gvr client.GVR) (Accessor, error)

AccessorFor returns a client accessor for a resource if registered. Otherwise it returns a generic accessor. Customize here for non resource types or types with metrics or logs.

type Accessors 

type Accessors map[client.GVR]Accessor

Accessors represents a collection of dao accessors.

type Alias 

type Alias struct {
	NonResource
	*config.Aliases
}

Alias tracks standard and custom command aliases.

func NewAlias 

func NewAlias(f Factory) *Alias

NewAlias returns a new set of aliases.

func (*Alias) AsGVR 

func (a *Alias) AsGVR(cmd string) (client.GVR, bool)

AsGVR returns a matching gvr if it exists.

func (*Alias) Check added in v0.13.4 

func (a *Alias) Check(cmd string) bool

Check verifies an alias is defined for this command.

func (*Alias) Ensure 

func (a *Alias) Ensure() (config.Alias, error)

Ensure makes sure alias are loaded.

func (*Alias) Get 

func (a *Alias) Get(_ context.Context, _ string) (runtime.Object, error)

Get fetch a resource.

func (*Alias) List 

func (a *Alias) List(ctx context.Context, _ string) ([]runtime.Object, error)

List returns a collection of aliases.

type Benchmark 

type Benchmark struct {
	NonResource
}

Benchmark represents a benchmark resource.

func (*Benchmark) Delete 

func (b *Benchmark) Delete(path string, cascade, force bool) error

Delete nukes a resource.

func (*Benchmark) Get 

func (b *Benchmark) Get(context.Context, string) (runtime.Object, error)

Get returns a resource.

func (*Benchmark) List 

func (b *Benchmark) List(ctx context.Context, _ string) ([]runtime.Object, error)

List returns a collection of resources.

type Chart 

type Chart struct {
	NonResource
}

Chart represents a helm chart.

func (*Chart) Delete 

func (c *Chart) Delete(path string, cascade, force bool) error

Delete uninstall a Chart.

func (*Chart) Describe 

func (c *Chart) Describe(path string) (string, error)

Describe returns the chart notes.

func (*Chart) EnsureHelmConfig 

func (c *Chart) EnsureHelmConfig(ns string) (*action.Configuration, error)

EnsureHelmConfig return a new configuration.

func (*Chart) Get 

func (c *Chart) Get(_ context.Context, path string) (runtime.Object, error)

Get returns a resource.

func (*Chart) List 

func (c *Chart) List(ctx context.Context, ns string) ([]runtime.Object, error)

List returns a collection of resources.

func (*Chart) ToYAML 

func (c *Chart) ToYAML(path string) (string, error)

ToYAML returns the chart manifest.

type Container 

type Container struct {
	NonResource
}

Container represents a pod's container dao.

func (*Container) List 

func (c *Container) List(ctx context.Context, _ string) ([]runtime.Object, error)

List returns a collection of containers.

func (*Container) Logs 

func (c *Container) Logs(path string, opts *v1.PodLogOptions) (*restclient.Request, error)

Logs fetch container logs for a given pod and container.

func (*Container) TailLogs 

func (c *Container) TailLogs(ctx context.Context, logChan chan<- []byte, opts LogOptions) error

TailLogs tails a given container logs

type Context 

type Context struct {
	NonResource
}

Context represents a kubenetes context.

func (*Context) Get 

func (c *Context) Get(ctx context.Context, path string) (runtime.Object, error)

Get a Context.

func (*Context) KubeUpdate 

func (c *Context) KubeUpdate(n string) error

KubeUpdate modifies kubeconfig default context.

func (*Context) List 

func (c *Context) List(_ context.Context, _ string) ([]runtime.Object, error)

List all Contexts on the current cluster.

func (*Context) MustCurrentContextName 

func (c *Context) MustCurrentContextName() string

MustCurrentContextName return the active context name.

func (*Context) Switch 

func (c *Context) Switch(ctx string) error

Switch to another context.

type Controller added in v0.15.2 

type Controller interface {
	// Pod returns a pod instance matching the selector.
	Pod(path string) (string, error)
}

Controller represents a pod controller.

type CronJob 

type CronJob struct {
	Generic
}

CronJob represents a cronjob K8s resource.

func (*CronJob) Run 

func (c *CronJob) Run(path string) error

Run a CronJob.

type CustomResourceDefinition 

type CustomResourceDefinition struct {
	Resource
}

CustomResourceDefinition represents a CRD resource model.

func (*CustomResourceDefinition) List 

func (c *CustomResourceDefinition) List(ctx context.Context, _ string) ([]runtime.Object, error)

List returns a collection of nodes.

type DaemonSet 

type DaemonSet struct {
	Resource
}

DaemonSet represents a K8s daemonset.

func (*DaemonSet) GetInstance added in v0.15.2 

func (d *DaemonSet) GetInstance(fqn string) (*appsv1.DaemonSet, error)

GetInstance returns a daemonset instance.

func (*DaemonSet) IsHappy added in v0.16.0 

func (d *DaemonSet) IsHappy(ds appsv1.DaemonSet) bool

IsHappy check for happy deployments.

func (*DaemonSet) Pod added in v0.15.2 

func (d *DaemonSet) Pod(fqn string) (string, error)

Pod returns a pod victim by name.

func (*DaemonSet) Restart 

func (d *DaemonSet) Restart(path string) error

Restart a DaemonSet rollout.

func (*DaemonSet) TailLogs 

func (d *DaemonSet) TailLogs(ctx context.Context, c chan<- []byte, opts LogOptions) error

TailLogs tail logs for all pods represented by this DaemonSet.

type Deployment 

type Deployment struct {
	Resource
}

Deployment represents a deployment K8s resource.

func (*Deployment) IsHappy added in v0.16.0 

func (d *Deployment) IsHappy(dp appsv1.Deployment) bool

IsHappy check for happy deployments.

func (*Deployment) Load added in v0.17.0 

func (*Deployment) Load(f Factory, fqn string) (*appsv1.Deployment, error)

GetInstance returns a deployment instance.

func (*Deployment) Pod added in v0.15.2 

func (d *Deployment) Pod(fqn string) (string, error)

Pod returns a pod victim by name.

func (*Deployment) Restart 

func (d *Deployment) Restart(path string) error

Restart a Deployment rollout.

func (*Deployment) Scale 

func (d *Deployment) Scale(path string, replicas int32) error

Scale a Deployment.

func (*Deployment) TailLogs 

func (d *Deployment) TailLogs(ctx context.Context, c chan<- []byte, opts LogOptions) error

TailLogs tail logs for all pods represented by this Deployment.

type Describer 

type Describer interface {
	// Describe describes a resource.
	Describe(path string) (string, error)

	// ToYAML dumps a resource to YAML.
	ToYAML(path string) (string, error)
}

Describer describes a resource.

type Factory 

type Factory interface {
	// Client retrieves an api client.
	Client() client.Connection

	// Get fetch a given resource.
	Get(gvr, path string, wait bool, sel labels.Selector) (runtime.Object, error)

	// List fetch a collection of resources.
	List(gvr, ns string, wait bool, sel labels.Selector) ([]runtime.Object, error)

	// ForResource fetch an informer for a given resource.
	ForResource(ns, gvr string) informers.GenericInformer

	// CanForResource fetch an informer for a given resource if authorized
	CanForResource(ns, gvr string, verbs []string) (informers.GenericInformer, error)

	// WaitForCacheSync synchronize the cache.
	WaitForCacheSync()

	// DeleteForwarder deletes a pod forwarder.
	DeleteForwarder(path string)

	// Forwards returns all portforwards.
	Forwarders() watch.Forwarders
}

Factory represents a resource factory.

type Generic 

type Generic struct {
	NonResource
}

Generic represents a generic resource.

func (*Generic) Delete 

func (g *Generic) Delete(path string, cascade, force bool) error

Delete deletes a resource.

func (*Generic) Describe 

func (g *Generic) Describe(path string) (string, error)

Describe describes a resource.

func (*Generic) Get 

func (g *Generic) Get(ctx context.Context, path string) (runtime.Object, error)

Get returns a given resource.

func (*Generic) List 

func (g *Generic) List(ctx context.Context, ns string) ([]runtime.Object, error)

List returns a collection of resources. BOZO!! no auth check??

func (*Generic) ToYAML 

func (g *Generic) ToYAML(path string) (string, error)

ToYAML returns a resource yaml.

type Getter 

type Getter interface {
	// Get return a given resource.
	Get(ctx context.Context, path string) (runtime.Object, error)
}

Getter represents a resource getter.

type HorizontalPodAutoscaler 

type HorizontalPodAutoscaler struct {
	Resource
}

HorizontalPodAutoscaler represents a HPA resource model.

func (*HorizontalPodAutoscaler) List 

func (h *HorizontalPodAutoscaler) List(ctx context.Context, ns string) ([]runtime.Object, error)

List returns a collection of nodes.

type Job 

type Job struct {
	Resource
}

Job represents a K8s job resource.

func (*Job) TailLogs 

func (j *Job) TailLogs(ctx context.Context, c chan<- []byte, opts LogOptions) error

TailLogs tail logs for all pods represented by this Job.

type Lister 

type Lister interface {
	// List returns a resource collection.
	List(ctx context.Context, ns string) ([]runtime.Object, error)
}

Lister represents a resource lister.

type LogOptions 

type LogOptions struct {
	Path            string
	Container       string
	Lines           int64
	Color           color.Paint
	Previous        bool
	SingleContainer bool
	MultiPods       bool
}

LogOptions represent logger options.

func (LogOptions) DecorateLog 

func (o LogOptions) DecorateLog(bytes []byte) []byte

DecorateLog add a log header to display po/co information along with the log message.

func (LogOptions) FixedSizeName 

func (o LogOptions) FixedSizeName() string

FixedSizeName returns a normalize fixed size pod name if possible.

func (LogOptions) HasContainer 

func (o LogOptions) HasContainer() bool

HasContainer checks if a container is present.

type Loggable 

type Loggable interface {
	// TaiLogs streams resource logs.
	TailLogs(ctx context.Context, c chan<- []byte, opts LogOptions) error
}

Loggable represents resources with logs.

type Logger 

type Logger interface {
	// Logs tails a resource logs.
	Logs(path string, opts *v1.PodLogOptions) (*restclient.Request, error)
}

Logger represents a resource that exposes logs.

type Meta added in v0.13.8 

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

Meta represents available resource metas.

func NewMeta added in v0.13.8 

func NewMeta() *Meta

NewMeta returns a resource meta.

func (*Meta) AllGVRs added in v0.13.8 

func (m *Meta) AllGVRs() client.GVRs

AllGVRs returns all cluster resources.

func (*Meta) LoadResources added in v0.13.8 

func (m *Meta) LoadResources(f Factory) error

LoadResources hydrates server preferred+CRDs resource metadata.

func (*Meta) MetaFor added in v0.13.8 

func (m *Meta) MetaFor(gvr client.GVR) (metav1.APIResource, error)

MetaFor returns a resource metadata for a given gvr.

func (*Meta) RegisterMeta added in v0.13.8 

func (m *Meta) RegisterMeta(gvr string, res metav1.APIResource)

RegisterMeta registers a new resource meta object.

type Node 

type Node struct {
	Resource
}

Node represents a node model.

func (*Node) List 

func (n *Node) List(ctx context.Context, ns string) ([]runtime.Object, error)

List returns a collection of node resources.

type NodeMetricsFunc 

type NodeMetricsFunc func() (*mv1beta1.NodeMetricsList, error)

NodeMetricsFunc retrieves node metrics.

type NonResource 

type NonResource struct {
	Factory
	// contains filtered or unexported fields
}

NonResource represents a non k8s resource.

func (*NonResource) GVR 

func (n *NonResource) GVR() string

GVR returns a gvr.

func (*NonResource) Get 

func (n *NonResource) Get(context.Context, string) (runtime.Object, error)

Get returns the given resource.

func (*NonResource) Init 

func (n *NonResource) Init(f Factory, gvr client.GVR)

Init initializes the resource.

type Nuker 

type Nuker interface {
	// Delete removes a resource from the api server.
	Delete(path string, cascade, force bool) error
}

Nuker represents a resource deleter.

type OpenFaas added in v0.15.0 

type OpenFaas struct {
	NonResource
}

OpenFaas represents a faas gateway connection.

func (*OpenFaas) Delete added in v0.15.0 

func (f *OpenFaas) Delete(path string, _, _ bool) error

Delete removes a function.

func (*OpenFaas) Describe added in v0.15.0 

func (f *OpenFaas) Describe(path string) (string, error)

Describe describes a function.

func (*OpenFaas) Get added in v0.15.0 

func (f *OpenFaas) Get(ctx context.Context, path string) (runtime.Object, error)

Get returns a function by name.

func (*OpenFaas) List added in v0.15.0 

func (f *OpenFaas) List(_ context.Context, ns string) ([]runtime.Object, error)

List returns a collection of functions.

func (*OpenFaas) ToYAML added in v0.15.0 

func (f *OpenFaas) ToYAML(path string) (string, error)

ToYAML dumps a function to yaml.

type Pod 

type Pod struct {
	Resource
}

Pod represents a pod resource.

func (*Pod) Containers 

func (p *Pod) Containers(path string, includeInit bool) ([]string, error)

Containers returns all container names on pod

func (*Pod) Get 

func (p *Pod) Get(ctx context.Context, path string) (runtime.Object, error)

Get returns a resource instance if found, else an error.

func (*Pod) GetInstance added in v0.15.2 

func (p *Pod) GetInstance(fqn string) (*v1.Pod, error)

GetInstance returns a pod instance.

func (*Pod) IsHappy added in v0.16.0 

func (p *Pod) IsHappy(po v1.Pod) bool

IsHappy check for happy deployments.

func (*Pod) List 

func (p *Pod) List(ctx context.Context, ns string) ([]runtime.Object, error)

List returns a collection of nodes.

func (*Pod) Logs 

func (p *Pod) Logs(path string, opts *v1.PodLogOptions) (*restclient.Request, error)

Logs fetch container logs for a given pod and container.

func (*Pod) Pod added in v0.15.2 

func (p *Pod) Pod(fqn string) (string, error)

Pod returns a pod victim by name.

func (*Pod) TailLogs 

func (p *Pod) TailLogs(ctx context.Context, c chan<- []byte, opts LogOptions) error

TailLogs tails a given container logs

type Policy 

type Policy struct {
	Resource
}

Policy represent rbac policy.

func (*Policy) List 

func (p *Policy) List(ctx context.Context, ns string) ([]runtime.Object, error)

List returns available policies.

type PortForward 

type PortForward struct {
	NonResource
}

PortForward represents a port forward dao.

func (*PortForward) Delete 

func (p *PortForward) Delete(path string, cascade, force bool) error

Delete a portforward.

func (*PortForward) List 

func (p *PortForward) List(ctx context.Context, _ string) ([]runtime.Object, error)

List returns a collection of screen dumps.

type PortForwarder 

type PortForwarder struct {
	Factory
	genericclioptions.IOStreams
	// contains filtered or unexported fields
}

PortForwarder tracks a port forward stream.

func NewPortForwarder 

func NewPortForwarder(f Factory) *PortForwarder

NewPortForwarder returns a new port forward streamer.

func (*PortForwarder) Active 

func (p *PortForwarder) Active() bool

Active returns the forward status.

func (*PortForwarder) Age 

func (p *PortForwarder) Age() string

Age returns the port forward age.

func (*PortForwarder) Container 

func (p *PortForwarder) Container() string

Container returns the targetes container.

func (*PortForwarder) FQN 

func (p *PortForwarder) FQN() string

FQN returns the portforward unique id.

func (*PortForwarder) HasPortMapping added in v0.15.2 

func (p *PortForwarder) HasPortMapping(m string) bool

HasPortMapping checks if port mapping is defined for this fwd.

func (*PortForwarder) Path 

func (p *PortForwarder) Path() string

Path returns the pod resource path.

func (*PortForwarder) Ports 

func (p *PortForwarder) Ports() []string

Ports returns the forwarded ports mappings.

func (*PortForwarder) SetActive 

func (p *PortForwarder) SetActive(b bool)

SetActive mark a portforward as active.

func (*PortForwarder) Start 

func (p *PortForwarder) Start(path, co string, t client.PortTunnel) (*portforward.PortForwarder, error)

Start initiates a port forward session for a given pod and ports.

func (*PortForwarder) Stop 

func (p *PortForwarder) Stop()

Stop terminates a port forard

type Pulse added in v0.16.0 

type Pulse struct {
	NonResource
}

Pulse tracks pulses.

func (*Pulse) List added in v0.16.0 

func (h *Pulse) List(ctx context.Context, ns string) ([]runtime.Object, error)

List lists out pulses.

type Rbac 

type Rbac struct {
	Resource
}

Rbac represents a model for listing rbac resources.

func (*Rbac) List 

func (r *Rbac) List(ctx context.Context, ns string) ([]runtime.Object, error)

List lists out rbac resources.

type ReplicaSet added in v0.16.0 

type ReplicaSet struct {
	Resource
}

ReplicaSet represents a replicaset K8s resource.

func (*ReplicaSet) Load added in v0.17.0 

func (r *ReplicaSet) Load(f Factory, path string) (*v1.ReplicaSet, error)

func (*ReplicaSet) Rollback added in v0.17.0 

func (r *ReplicaSet) Rollback(fqn string) error

Rollback reverses the last deployment.

type Resource 

type Resource struct {
	Generic
}

Resource represents an informer based resource.

func (*Resource) Get 

func (r *Resource) Get(_ context.Context, path string) (runtime.Object, error)

Get returns a resource instance if found, else an error.

func (*Resource) List 

func (r *Resource) List(ctx context.Context, ns string) ([]runtime.Object, error)

List returns a collection of resources.

func (*Resource) ToYAML 

func (r *Resource) ToYAML(path string) (string, error)

ToYAML returns a resource yaml.

type ResourceMetas 

type ResourceMetas map[client.GVR]metav1.APIResource

ResourceMetas represents a collection of resource metadata.

type RestMapper 

type RestMapper struct {
	client.Connection
}

RestMapper map resource to REST mapping ie kind, group, version.

func (*RestMapper) Name 

func (*RestMapper) Name() meta.RESTScopeName

Name protocol returns rest scope name.

func (*RestMapper) ResourceFor 

func (r *RestMapper) ResourceFor(resourceArg, kind string) (*meta.RESTMapping, error)

ResourceFor produces a rest mapping from a given resource. Support full res name ie deployment.v1.apps.

func (*RestMapper) ToRESTMapper 

func (r *RestMapper) ToRESTMapper() (meta.RESTMapper, error)

ToRESTMapper map resources to kind, and map kind and version to interfaces for manipulating K8s objects.

type Restartable 

type Restartable interface {
	// Restart performs a rollout restart.
	Restart(path string) error
}

Restartable represents a restartable resource.

type Runnable 

type Runnable interface {
	// Run triggers a run.
	Run(path string) error
}

Runnable represents a runnable resource.

type Scalable 

type Scalable interface {
	// Scale scales a resource up or down.
	Scale(path string, replicas int32) error
}

Scalable represents resources that can scale.

type ScreenDump 

type ScreenDump struct {
	NonResource
}

ScreenDump represents a scraped resources.

func (*ScreenDump) Delete 

func (d *ScreenDump) Delete(path string, cascade, force bool) error

Delete a ScreenDump.

func (*ScreenDump) List 

func (d *ScreenDump) List(ctx context.Context, _ string) ([]runtime.Object, error)

List returns a collection of screen dumps.

type Service 

type Service struct {
	Resource
}

Service represents a k8s service.

func (*Service) GetInstance added in v0.15.2 

func (s *Service) GetInstance(fqn string) (*v1.Service, error)

GetInstance returns a service instance.

func (*Service) Pod added in v0.15.2 

func (s *Service) Pod(fqn string) (string, error)

Pod returns a pod victim by name.

func (*Service) TailLogs 

func (s *Service) TailLogs(ctx context.Context, c chan<- []byte, opts LogOptions) error

TailLogs tail logs for all pods represented by this Service.

type StatefulSet 

type StatefulSet struct {
	Resource
}

StatefulSet represents a K8s sts.

func (*StatefulSet) IsHappy added in v0.16.0 

func (s *StatefulSet) IsHappy(sts appsv1.StatefulSet) bool

IsHappy check for happy sts.

func (*StatefulSet) Pod added in v0.15.2 

func (s *StatefulSet) Pod(fqn string) (string, error)

Pod returns a pod victim by name.

func (*StatefulSet) Restart 

func (s *StatefulSet) Restart(path string) error

Restart a StatefulSet rollout.

func (*StatefulSet) Scale 

func (s *StatefulSet) Scale(path string, replicas int32) error

Scale a StatefulSet.

func (*StatefulSet) TailLogs 

func (s *StatefulSet) TailLogs(ctx context.Context, c chan<- []byte, opts LogOptions) error

TailLogs tail logs for all pods represented by this StatefulSet.

type Subject 

type Subject struct {
	Resource
}

Subject represents a subject model.

func (*Subject) List 

func (s *Subject) List(ctx context.Context, ns string) ([]runtime.Object, error)

List returns a collection of subjects.

type Switchable 

type Switchable interface {
	// Switch changes the active context.
	Switch(ctx string) error
}

Switchable represents a switchable resource.

type Table 

type Table struct {
	Generic
}

Table retrieves K8s resources as tabular data.

func (*Table) Get 

func (t *Table) Get(ctx context.Context, path string) (runtime.Object, error)

Get returns a given resource.

func (*Table) List 

func (t *Table) List(ctx context.Context, ns string) ([]runtime.Object, error)

List all Resources in a given namespace.

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