userinput

package
Version: v0.0.0-...-e560ebb Latest Latest
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Published: Jul 13, 2021 License: BSD-3-Clause Imports: 13 Imported by: 0

Documentation

Overview

Package userinput provides functions to obtain interactive user input for command line tools.

Index

Constants

View Source
const SupportedLabels = "pool, powerunit_hostname, powerunit_outlet"

SupportedLabels lists all supported labels for batch-update-duts.

Variables

This section is empty.

Functions

func DropCommentLines

func DropCommentLines(text string) string

DropCommentLines drops lines from text that are comment lines, commented using commentLines().

func GetDeviceSpecs

func GetDeviceSpecs(initial *inventory.DeviceUnderTest, helpText string, promptFunc PromptFunc, validateFunc SpecsValidationFunc) (*inventory.DeviceUnderTest, error)

GetDeviceSpecs interactively obtains inventory.DeviceUnderTest from the user.

This function provides the user with initial specs, some help text and an example of a complete device spec. User's updated specs are parsed and any errors are reported back to the user, allowing the user to fix the errors. promptFunc is used to prompt the user on parsing errors, to give them a choice to continue or abort the input session.

Callers may pass a non-nil validateFunc to validate the user's updated specs. validateFunc is called within the userinput iteration loop described above, and errors are reported back to error in the same way as parsing errors.

This function returns upon successful parsing of the user input, or upon user initiated abort.

func GetMCSVSpecs

func GetMCSVSpecs(specsFile string) ([]*inventory.DeviceUnderTest, error)

GetMCSVSpecs get a sequence of DeviceUnderTests in the MCSV format from the specified file.

func GetRequestFromFiles

func GetRequestFromFiles(fp string) (*fleet.BatchUpdateDutsRequest, error)

GetRequestFromFiles form requests based on user's input file.

func ValidBug

func ValidBug(bug string) bool

ValidBug returns true if the given bug string is acceptably formatted.

Types

type PromptFunc

type PromptFunc func(string) bool

PromptFunc obtains consent from the user for the given request string.

This function is used to provide the user some context through the provided string and then obtain a yes/no answer from the user.

func CLIPrompt

func CLIPrompt(w io.Writer, r io.Reader, defaultResponse bool) PromptFunc

CLIPrompt returns a PromptFunc to prompt user on CLI.

In case of erroneous input from user, the returned PromptFunc prompts the user again. defaultResponse is returned on empty response from the user. In case of other system errors, the returned promptFunc returns false.

type SpecsValidationFunc

type SpecsValidationFunc func(*inventory.DeviceUnderTest) error

SpecsValidationFunc checks provided device specs for error.

This function returns nil if provided specs are valid.

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