runtime

package
v3.0.0-...-dfa6fcf Latest Latest
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 Go to latest Published: Oct 21, 2020 License: Apache-2.0 Imports: 5 Imported by: 0

Documentation

Overview

Package runtime is a service runtime manager

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrAlreadyExists = errors.New("already exists")
)

Functions

This section is empty.

Types

type CreateOption 

type CreateOption func(o *CreateOptions)

func CreateContext 

func CreateContext(ctx context.Context) CreateOption

CreateContext sets the context

func CreateImage 

func CreateImage(img string) CreateOption

CreateImage sets the image to use

func CreateNamespace 

func CreateNamespace(ns string) CreateOption

CreateNamespace sets the namespace

func CreateType 

func CreateType(t string) CreateOption

CreateType sets the type of service to create

func ResourceLimits 

func ResourceLimits(r *Resources) CreateOption

ResourceLimits sets the resources for the service to use

func WithArgs 

func WithArgs(args ...string) CreateOption

WithArgs specifies the command to execute

func WithCommand 

func WithCommand(cmd ...string) CreateOption

WithCommand specifies the command to execute

func WithEnv 

func WithEnv(env []string) CreateOption

WithEnv sets the created service environment

func WithOutput 

func WithOutput(out io.Writer) CreateOption

WithOutput sets the arg output

func WithRetries 

func WithRetries(retries int) CreateOption

WithRetries sets the max retries attemps

func WithSecret 

func WithSecret(key, value string) CreateOption

WithSecret sets a secret to provide the service with

type CreateOptions 

type CreateOptions struct {
	// Command to execut
	Command []string
	// Args to pass into command
	Args []string
	// Environment to configure
	Env []string
	// Log output
	Output io.Writer
	// Type of service to create
	Type string
	// Retries before failing deploy
	Retries int
	// Specify the image to use
	Image string
	// Namespace to create the service in
	Namespace string
	// Specify the context to use
	Context context.Context
	// Secrets to use
	Secrets map[string]string
	// Resources to allocate the service
	Resources *Resources
}

CreateOptions configure runtime services

type DeleteOption 

type DeleteOption func(o *DeleteOptions)

func DeleteContext 

func DeleteContext(ctx context.Context) DeleteOption

DeleteContext sets the context

func DeleteNamespace 

func DeleteNamespace(ns string) DeleteOption

DeleteNamespace sets the namespace

type DeleteOptions 

type DeleteOptions struct {
	// Namespace the service is running in
	Namespace string
	// Specify the context to use
	Context context.Context
}

type Event 

type Event struct {
	// ID of the event
	ID string
	// Type is event type
	Type EventType
	// Timestamp is event timestamp
	Timestamp time.Time
	// Service the event relates to
	Service *Service
	// Options to use when processing the event
	Options *CreateOptions
}

Event is notification event

type EventType 

type EventType int

EventType defines schedule event 

const (
	// Create is emitted when a new build has been craeted
	Create EventType = iota
	// Update is emitted when a new update become available
	Update
	// Delete is emitted when a build has been deleted
	Delete
)

func (EventType) String 

func (t EventType) String() string

String returns human readable event type

type Log 

type Log struct {
	Message  string
	Metadata map[string]string
}

Log is a log message

type Logs 

type Logs interface {
	Error() error
	Chan() chan Log
	Stop() error
}

Logs returns a log stream

type LogsOption 

type LogsOption func(o *LogsOptions)

LogsOption configures runtime logging

func LogsContext 

func LogsContext(ctx context.Context) LogsOption

LogsContext sets the context

func LogsCount 

func LogsCount(count int64) LogsOption

LogsExistingCount confiures how many existing lines to show

func LogsNamespace 

func LogsNamespace(ns string) LogsOption

LogsNamespace sets the namespace

func LogsStream 

func LogsStream(stream bool) LogsOption

LogsStream configures whether to stream new lines

type LogsOptions 

type LogsOptions struct {
	// How many existing lines to show
	Count int64
	// Stream new lines?
	Stream bool
	// Namespace the service is running in
	Namespace string
	// Specify the context to use
	Context context.Context
}

LogsOptions configure runtime logging

type Option 

type Option func(o *Options)

func WithClient 

func WithClient(c client.Client) Option

WithClient sets the client to use

func WithImage 

func WithImage(t string) Option

WithImage sets the image to use

func WithScheduler 

func WithScheduler(n Scheduler) Option

WithScheduler specifies a scheduler for updates

func WithSource 

func WithSource(src string) Option

WithSource sets the base image / repository

func WithType 

func WithType(t string) Option

WithType sets the service type to manage

type Options 

type Options struct {
	// Scheduler for updates
	Scheduler Scheduler
	// Service type to manage
	Type string
	// Source of the services repository
	Source string
	// Base image to use
	Image string
	// Client to use when making requests
	Client client.Client
}

Options configure runtime

type ReadOption 

type ReadOption func(o *ReadOptions)

func ReadContext 

func ReadContext(ctx context.Context) ReadOption

ReadContext sets the context

func ReadNamespace 

func ReadNamespace(ns string) ReadOption

ReadNamespace sets the namespace

func ReadService 

func ReadService(service string) ReadOption

ReadService returns services with the given name

func ReadType 

func ReadType(t string) ReadOption

ReadType returns services of the given type

func ReadVersion 

func ReadVersion(version string) ReadOption

ReadVersion confifgures service version

type ReadOptions 

type ReadOptions struct {
	// Service name
	Service string
	// Version queries services with given version
	Version string
	// Type of service
	Type string
	// Namespace the service is running in
	Namespace string
	// Specify the context to use
	Context context.Context
}

ReadOptions queries runtime services

type Resources 

type Resources struct {
	// CPU is the maximum amount of CPU the service will be allocated (unit millicpu)
	// e.g. 0.25CPU would be passed as 250
	CPU int
	// Mem is the maximum amount of memory the service will be allocated (unit mebibyte)
	// e.g. 128 MiB of memory would be passed as 128
	Mem int
	// Disk is the maximum amount of disk space the service will be allocated (unit mebibyte)
	// e.g. 128 MiB of memory would be passed as 128
	Disk int
}

Resources which are allocated to a serivce

type Runtime 

type Runtime interface {
	// Init initializes runtime
	Init(...Option) error
	// Create registers a service
	Create(*Service, ...CreateOption) error
	// Read returns the service
	Read(...ReadOption) ([]*Service, error)
	// Update the service in place
	Update(*Service, ...UpdateOption) error
	// Remove a service
	Delete(*Service, ...DeleteOption) error
	// Logs returns the logs for a service
	Logs(*Service, ...LogsOption) (Logs, error)
	// Start starts the runtime
	Start() error
	// Stop shuts down the runtime
	Stop() error
	// String describes runtime
	String() string
}

Runtime is a service runtime manager

type Scheduler 

type Scheduler interface {
	// Notify publishes schedule events
	Notify() (<-chan Event, error)
	// Close stops the scheduler
	Close() error
}

Scheduler is a runtime service scheduler

type Service 

type Service struct {
	// Name of the service
	Name string
	// Version of the service
	Version string
	// url location of source
	Source string
	// Metadata stores metadata
	Metadata map[string]string
}

Service is runtime service

type UpdateOption 

type UpdateOption func(o *UpdateOptions)

func UpdateContext 

func UpdateContext(ctx context.Context) UpdateOption

UpdateContext sets the context

func UpdateNamespace 

func UpdateNamespace(ns string) UpdateOption

UpdateNamespace sets the namespace

func UpdateSecret 

func UpdateSecret(key, value string) UpdateOption

WithSecret sets a secret to provide the service with

type UpdateOptions 

type UpdateOptions struct {
	// Namespace the service is running in
	Namespace string
	// Specify the context to use
	Context context.Context
	// Secrets to use
	Secrets map[string]string
}

Source Files

View all Source files

Directories

Path Synopsis
Package kubernetes implements kubernetes micro runtime Package kubernetes taken from https://github.com/jinlongchen/go-micro/blob/master/debug/log/kubernetes/kubernetes.go There are some modifications compared to the other files as this package doesn't provide write functionality.
 Package kubernetes implements kubernetes micro runtime Package kubernetes taken from https://github.com/jinlongchen/go-micro/blob/master/debug/log/kubernetes/kubernetes.go There are some modifications compared to the other files as this package doesn't provide write functionality.
git
process
Package process executes a binary
 Package process executes a binary
process/os
Package os runs processes locally Package os runs processes locally
 Package os runs processes locally Package os runs processes locally
source
Package source retrieves source code
 Package source retrieves source code
source/go
Package golang is a source for Go
 Package golang is a source for Go

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