model

package
v0.44.0 Latest Latest
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 Go to latest Published: Oct 11, 2019 License: Apache-2.0 Imports: 22 Imported by: 11

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Constants

View Source 
const (
	//CatchTask  represent a task name that execute if error occurred and defined
	CatchTask = "catch"
	//DeferredTask represent a task name that always execute if defined
	DeferredTask = "defer"
	//ExplicitActionAttributePrefix represent model attribute prefix
	ExplicitActionAttributePrefix  = ":"
	ExplicitRequestAttributePrefix = "@"
)
View Source 
const SliceKey = "data"

SliceKey represents slice key

Variables

This section is empty.

Functions

This section is empty.

Types

type AbstractNode 

type AbstractNode struct {
	Name        string
	Description string
	Init        Variables `description:"state init instruction "`
	Post        Variables `description:"post execution state update instruction"`
	When        string    `description:"run criteria"`
	SleepTimeMs int       //optional Sleep time
	Logging     *bool     `description:"optional flag to disable logging, enabled by default"`
}

AbstractNode represents an abstract workflow node(of a workflow, task or acton type)

type Action 

type Action struct {
	*AbstractNode
	*ServiceRequest
	*MetaTag
	*Repeater
	Async bool   `description:"flag to run action async"`
	Skip  string `description:"criteria to skip current TagID"`
}

Action represents a workflow service action

func (*Action) Clone added in v0.35.0 

func (a *Action) Clone() *Action

Clone clones this actions

func (*Action) ID 

func (a *Action) ID() string

ID returns action identified

func (*Action) Init 

func (a *Action) Init() error

NewActivity returns pipeline activity

type ActionSelector 

type ActionSelector string

ActionSelector represents an expression to invoke endly action: service.Action (for workflow service workflow keyword can be skipped)

func (*ActionSelector) Action 

func (s *ActionSelector) Action() string

Action returns action

func (ActionSelector) Service 

func (s ActionSelector) Service() string

Service returns service

type Activities 

type Activities struct {
	Activity *Activity
	// contains filtered or unexported fields
}

Activities represents activities

func NewActivities 

func NewActivities() *Activities

NewActivities creates a new activites

func (*Activities) First 

func (a *Activities) First() *Activity

func (*Activities) Get 

func (a *Activities) Get(index int) *Activity

Get returns activity for index

func (*Activities) Last 

func (a *Activities) Last() *Activity

func (*Activities) Len 

func (a *Activities) Len() int

func (*Activities) Pop 

func (a *Activities) Pop() *Activity

Pop removes last activity

func (*Activities) Push 

func (a *Activities) Push(activity *Activity)

Push add activity

func (*Activities) Range added in v0.25.1 

func (a *Activities) Range(handler func(activity *Activity) bool, reverse bool)

Range iterates over all activities

type Activity 

type Activity struct {
	*MetaTag
	Caller          string
	Task            string
	Service         string
	Action          string
	Description     string
	Error           string
	StartTime       time.Time
	Ineligible      bool
	Request         interface{}
	Response        map[string]interface{}
	ServiceResponse *endly.ServiceResponse
	Logging         *bool
}

Activity represents pipeline or workflow activity

func NewActivity 

func NewActivity(context *endly.Context, action *Action, state data.Map) *Activity

NewActivity returns a new workflow Activity.

func (*Activity) FormatTag 

func (a *Activity) FormatTag() string

FormatTag return a formatted tag

type ActivityEndEvent 

type ActivityEndEvent struct {
	Response interface{}
}

ActivityEndEvent represents Activity end event type.

func NewActivityEndEvent 

func NewActivityEndEvent(response interface{}) *ActivityEndEvent

NewActivityEndEvent creates a new ActivityEndEvent

type ExecutionError 

type ExecutionError struct {
	Error    string
	Caller   string
	TaskName string
	Request  interface{}
	Response interface{}
}

Error represent workflow error

func (*ExecutionError) AsMap 

func (e *ExecutionError) AsMap() map[string]interface{}

AsMap returns error map

type Extract 

type Extract struct {
	RegExpr  string `description:"regular expression with oval bracket to extract match pattern"`            //regular expression
	Key      string `description:"state key to store a match"`                                               //state key to store a match
	Reset    bool   `description:"reset the key in the context before evaluating this data extraction rule"` //reset the key in the context before evaluating this data extraction rule
	Required bool   `description:"require that at least one pattern match is returned"`                      //require that at least one pattern match is returned
}

Extract represents a data extraction

func NewExtract 

func NewExtract(key, regExpr string, reset bool, required bool) *Extract

NewExtract creates a new data extraction

type ExtractEvent added in v0.25.1 

type ExtractEvent struct {
	Output           string
	StructuredOutput interface{}
	Data             interface{}
}

ExtractEvent represents data extraction event

func NewExtractEvent 

func NewExtractEvent(output string, structuredOutput, extracted interface{}) *ExtractEvent

NewExtractEvent creates a new event.

type Extracts 

type Extracts []*Extract

Extracts represents an expected data collection

func NewExtracts 

func NewExtracts() Extracts

NewExtracts creates a new NewExtracts

func (*Extracts) Extract 

func (d *Extracts) Extract(context *endly.Context, extracted map[string]interface{}, inputs ...string) error

Extracts extract data from provided inputs, the result is placed to expected map, or error

func (*Extracts) Reset 

func (d *Extracts) Reset(state data.Map)

Reset removes key from supplied state map.

type InlineWorkflow 

type InlineWorkflow struct {
	Init     interface{}
	Post     interface{}
	Logging  *bool
	Defaults map[string]interface{}
	Data     map[string]interface{}
	Pipeline []*MapEntry
	State    data.Map
	// contains filtered or unexported fields
}

func (*InlineWorkflow) AsWorkflow 

func (p *InlineWorkflow) AsWorkflow(name string, baseURL string) (*Workflow, error)

type MapEntry 

type MapEntry struct {
	Key   string      `description:"preserved order map entry key"`
	Value interface{} `description:"preserved order map entry value"`
}

type MetaTag added in v0.25.1 

type MetaTag struct {
	Tag            string //tag
	TagIndex       string //tag index
	TagID          string //tag id
	TagDescription string //tag description
	Comments       string
}

MetaTag represent a node tag

type ModifiedStateEvent 

type ModifiedStateEvent struct {
	Variables Variables
	In        map[string]interface{}
	Modified  map[string]interface{}
}

ModifiedStateEvent represent modified state event

func NewModifiedStateEvent 

func NewModifiedStateEvent(variables Variables, in, out data.Map) *ModifiedStateEvent

NewModifiedStateEvent creates a new modified state event.

type OperatingSystem 

type OperatingSystem struct {
	System       string
	Name         string
	Hardware     string
	Architecture string
	Arch         string //architecture abbreviation
	Version      string
}

Os represents an Os

func (*OperatingSystem) Matches 

func (s *OperatingSystem) Matches(target *OsTarget) bool

Matches returns true if operating system matches provided target

type OsTarget 

type OsTarget struct {
	System             string
	Name               string
	MinRequiredVersion string
	MaxAllowedVersion  string
}

OsTarget represents operating system target

type Path 

type Path struct {
	Items []string
	// contains filtered or unexported fields
}

Path represents a system path

func NewPath 

func NewPath(items ...string) *Path

NewSystemPath create a new system path.

func (*Path) EnvValue 

func (p *Path) EnvValue() string

EnvValue returns evn values

func (*Path) Unshift 

func (p *Path) Unshift(paths ...string)

Unshift add path at the begining to the system paths

type Process 

type Process struct {
	Source   *url.Resource
	Owner    string
	TagIDs   map[string]bool
	HasTagID bool
	Workflow *Workflow
	Task     *Task
	TaskNode *TasksNode
	*Activities
	State      data.Map
	Terminated int32
	Scheduled  *Task
	*ExecutionError
}

Process represents a running instance of workflow/pipeline process.

func NewProcess 

func NewProcess(source *url.Resource, workflow *Workflow, upstream *Process) *Process

NewProcess creates a new workflow, pipeline process

func (*Process) AddTagIDs 

func (p *Process) AddTagIDs(tagIDs ...string)

Push adds a workflow to the workflow stack.

func (*Process) CanRun 

func (p *Process) CanRun() bool

CanRun returns true if current workflow can run

func (*Process) IsTerminated 

func (p *Process) IsTerminated() bool

IsTerminated returns true if current workflow has been terminated

func (*Process) Push 

func (p *Process) Push(activity *Activity)

Push adds supplied activity

func (*Process) SetTask 

func (p *Process) SetTask(task *Task)

SetTask sets process task

func (*Process) Terminate 

func (p *Process) Terminate()

Terminate flags current workflow as terminated

type Processes 

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

processes represents running workflow/pipe process stack.

func NewProcesses 

func NewProcesses() *Processes

NewProcesses creates a new processes

func (*Processes) First 

func (p *Processes) First() *Process

First returns the first process.

func (*Processes) FirstWorkflow 

func (p *Processes) FirstWorkflow() *Process

FirstWorkflow returns the first workflow.

func (*Processes) Last 

func (p *Processes) Last() *Process

Last returns the last process.

func (*Processes) LastWorkflow 

func (p *Processes) LastWorkflow() *Process

LastWorkflow returns the last workflow.

func (*Processes) Pop 

func (p *Processes) Pop() *Process

Pop removes the first workflow from the workflow stack.

func (*Processes) Push 

func (p *Processes) Push(process *Process)

Push adds a workflow to the workflow stack.

func (*Processes) Recent 

func (p *Processes) Recent(count int) []*Process

Recent returns the most reset process.

type Repeater 

type Repeater struct {
	Extract     Extracts  //textual regexp based data extraction
	Variables   Variables //structure data based data extraction
	Repeat      int       //how many time send this request
	SleepTimeMs int       //Sleep time after request send, this only makes sense with repeat option
	Exit        string    //Exit criteria, it uses expected variable to determine repeat termination
}

Repeater represent repeated execution

func NewRepeater 

func NewRepeater() *Repeater

NewRepeater creates a new repeatable struct

func (*Repeater) EvaluateExitCriteria 

func (r *Repeater) EvaluateExitCriteria(callerInfo string, context *endly.Context, extracted map[string]interface{}) (bool, error)

EvaluateExitCriteria check is exit criteria is met.

func (*Repeater) Init 

func (r *Repeater) Init() *Repeater

Get returns non empty instance of default instance

func (*Repeater) Run 

func (r *Repeater) Run(service *endly.AbstractService, callerInfo string, context *endly.Context, handler func() (interface{}, error), extracted map[string]interface{}) error

Run repeats x times supplied handler

type ServiceRequest 

type ServiceRequest struct {
	Service string      `description:"service ID"`
	Action  string      `description:"service's'action "`
	Request interface{} `description:"service request"`
}

ServiceRequest represent an action request

func (*ServiceRequest) Init 

func (r *ServiceRequest) Init() *ServiceRequest

Init initialises action

func (*ServiceRequest) NewAction 

func (r *ServiceRequest) NewAction() *Action

func (*ServiceRequest) Validate 

func (r *ServiceRequest) Validate() error

Validate check is action request is valid

type Session 

type Session struct {
	ID string
	ssh.MultiCommandSession
	DaemonType       int
	Service          ssh.Service
	Os               *OperatingSystem
	Username         string
	SuperUSerAuth    bool
	Path             *Path
	EnvVariables     map[string]string
	CurrentDirectory string
	Deployed         map[string]string
	Cacheable        map[string]interface{}
	Mutex            *sync.RWMutex
}

Session represents a system terminal session

func NewSession 

func NewSession(id string, connection ssh.Service) (*Session, error)

NewSession create a new client session

type Sessions 

type Sessions map[string]*Session

Sessions represents a map of client sessions keyed by session id

func (*Sessions) Has 

func (s *Sessions) Has(id string) bool

Has checks if client session exists for provided id.

type Task 

type Task struct {
	*AbstractNode
	Actions []*Action //actions
	*TasksNode
	Fail bool //controls if return fail status workflow on catch task
	// contains filtered or unexported fields
}

Task represents a group of action

func NewTask 

func NewTask(name string, multiAction bool) *Task

NewTask creates a new task

func (*Task) AsyncActions added in v0.21.2 

func (t *Task) AsyncActions() []*Action

AsyncActions returns async actions

func (*Task) HasTagID 

func (t *Task) HasTagID(tagIDs map[string]bool) bool

HasTagID checks if task has supplied tagIDs

type TasksNode 

type TasksNode struct {
	Tasks        []*Task //sub tasks
	OnErrorTask  string  //task that will run if error occur, the final workflow will return this task response
	DeferredTask string  //task that will always run if there has been previous  error or not
}

TasksNode represents a task node

func (*TasksNode) Has 

func (t *TasksNode) Has(name string) bool

Task returns a task for supplied name

func (*TasksNode) Select 

func (t *TasksNode) Select(selector TasksSelector) *TasksNode

Select selects tasks matching supplied selector

func (*TasksNode) Task 

func (t *TasksNode) Task(name string) (*Task, error)

Task returns a task for supplied name

type TasksSelector 

type TasksSelector string

TasksSelector represents a task selector

func (*TasksSelector) RunAll 

func (t *TasksSelector) RunAll() bool

RunAll returns true if no individual tasks are selected

func (*TasksSelector) Tasks 

func (t *TasksSelector) Tasks() []string

Tasks return tasks

type Template 

type Template struct {
	SubPath     string            `description:"sub path for dynamic resource template expansion: i.e. use_cases/${index}*"`
	Tag         string            `description:"grouping tag i.e Test"`
	Range       string            `description:"range expression i.e 2..003  where upper bound number drives padding $index variable"`
	Description string            `description:"reference to file containing tagDescription i.e. @use_case,  file reference has to start with @"`
	Data        map[string]string `` /* 181-byte string literal not displayed */
	Template    []interface{}
	// contains filtered or unexported fields
}

Template represents inline workflow template to dynamically Expand actions - idea borrowed from neatly format: https://github.com/viant/neatly/

func (*Template) Expand 

func (t *Template) Expand(task *Task, parentTag string, inline *InlineWorkflow) error

type Variable 

type Variable struct {
	Name              string            `description:"name"`
	Value             interface{}       `description:"default value"`
	From              string            `description:"context state map key to pull data"`
	When              string            `` /* 139-byte string literal not displayed */
	Else              interface{}       `description:"if when criteria is not met then else can provide variable value alternative"`
	Persist           bool              `description:"stores in tmp directory to be used as backup if data is not in the cotnext"`
	Required          bool              `description:"flag that validates that from returns non empty value or error is generated"`
	EmptyIfUnexpanded bool              `description:"threat variable value empty if it was not expanded"`
	Replace           map[string]string `` /* 147-byte string literal not displayed */
}

Variable represents a variable

func NewVariable 

func NewVariable(name, form, when string, required bool, value, elseValue interface{}, replace map[string]string, emptyIfUnexpanded bool) *Variable

NewVariable creates a new variable

func (*Variable) Apply 

func (v *Variable) Apply(in, out data.Map) error

func (*Variable) Load 

func (v *Variable) Load() error

Load loads persisted variable value.

func (*Variable) PersistValue 

func (v *Variable) PersistValue() error

PersistValue persist variable

type VariableExpression 

type VariableExpression string

VariableExpression represent a variable expression [!] VariableName = [when ?] value : otherwiseValue, exclamation mark flags variable as required

func (*VariableExpression) AsVariable 

func (e *VariableExpression) AsVariable() (*Variable, error)

AsVariable converts expression to variable

type Variables 

type Variables []*Variable

Variables a slice of variables

func GetVariables 

func GetVariables(baseURLs []string, source interface{}) (Variables, error)

GetVariables returns variables from Variables ([]*Variable), []string (as expression) or from []interface{} (where interface is a map matching Variable struct)

func (*Variables) Apply 

func (v *Variables) Apply(in, out data.Map) error

Apply evaluates all variable from in map to out map

func (Variables) String 

func (v Variables) String() string

String returns a variable info

type Workflow 

type Workflow struct {
	Source *url.Resource //source definition of the workflow
	Data   data.Map      //workflow data
	*AbstractNode
	*TasksNode //workflow tasks
}

Workflow represents a workflow

func (*Workflow) Init 

func (w *Workflow) Init() error

Validate validates this workflow

func (*Workflow) Validate 

func (w *Workflow) Validate() error

Validate validates this workflow

type WorkflowSelector 

type WorkflowSelector string

WorkflowSelector represents an expression to invoke workflow with all or specified task: URL[:tasks]

func (WorkflowSelector) IsRelative 

func (s WorkflowSelector) IsRelative() bool

IsRelative returns true if selector is relative path

func (WorkflowSelector) Name 

func (s WorkflowSelector) Name() string

Name returns selector workflow name

func (WorkflowSelector) Tasks 

func (s WorkflowSelector) Tasks() string

TasksSelector returns selector tasks

func (WorkflowSelector) URL 

func (s WorkflowSelector) URL() string

URL returns workflow url

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