cbtconfig

package
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Published: Feb 27, 2018 License: Apache-2.0 Imports: 17 Imported by: 0

Documentation

Overview

Package cbtconfig encapsulates common code for reading configuration from .cbtrc and gcloud.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Filename

func Filename() string

Filename returns the filename consulted for standard configuration.

Types

type Config

type Config struct {
	Project, Instance string                           // required
	Creds             string                           // optional
	AdminEndpoint     string                           // optional
	DataEndpoint      string                           // optional
	CertFile          string                           // optional
	TokenSource       oauth2.TokenSource               // derived
	TLSCreds          credentials.TransportCredentials // derived
}

Config represents a configuration.

func Load

func Load() (*Config, error)

Load loads a .cbtrc file. If the file is not present, an empty config is returned.

func (*Config) CheckFlags

func (c *Config) CheckFlags(required RequiredFlags) error

CheckFlags checks that the required config values are set.

func (*Config) RegisterFlags

func (c *Config) RegisterFlags()

RegisterFlags registers a set of standard flags for this config. It should be called before flag.Parse.

func (*Config) SetFromGcloud

func (c *Config) SetFromGcloud() error

SetFromGcloud retrieves and sets any missing config values from the gcloud configuration if possible possible

type GcloudCmdTokenSource

type GcloudCmdTokenSource struct {
	Command string
	Args    []string
}

func (*GcloudCmdTokenSource) Token

func (g *GcloudCmdTokenSource) Token() (*oauth2.Token, error)

Token implements the oauth2.TokenSource interface

type GcloudConfig

type GcloudConfig struct {
	Configuration struct {
		Properties struct {
			Core struct {
				Project string `json:"project"`
			} `json:"core"`
		} `json:"properties"`
	} `json:"configuration"`
	Credential GcloudCredential `json:"credential"`
}

func LoadGcloudConfig

func LoadGcloudConfig(gcloudCmd string, gcloudCmdArgs []string) (*GcloudConfig, error)

LoadGcloudConfig retrieves the gcloud configuration values we need use via the 'config-helper' command

type GcloudCredential

type GcloudCredential struct {
	AccessToken string    `json:"access_token"`
	Expiry      time.Time `json:"token_expiry"`
}

func (*GcloudCredential) Token

func (cred *GcloudCredential) Token() *oauth2.Token

type RequiredFlags

type RequiredFlags uint
const (
	ProjectRequired RequiredFlags = 1 << iota
	InstanceRequired
)
const NoneRequired RequiredFlags = 0
const ProjectAndInstanceRequired RequiredFlags = ProjectRequired | InstanceRequired

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