utils

package
v0.0.0-...-d0e6ce9 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 9, 2022 License: Apache-2.0 Imports: 28 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ColorRed     = "red"
	ColorGreen   = "green"
	ColorYellow  = "yellow"
	ColorBlue    = "blue"
	ColorMagenta = "magenta"
	ColorCyan    = "cyan"
	ColorWhite   = "white"
	ColorGray    = "gray"
)
View Source 
const (

	// CheckSymbol is the code for check symbol
	CheckSymbol = "\u2714 "
	// CrossSymbol is the code for check symbol
	CrossSymbol  = "\u2716 "
	ExclamSymbol = "\u0021 "
	ArrowSymbol  = "\u279c"
	DeleteSymbol = "\u2620"
	NoneSymbol   = "\u2605"
	// Message type
	Info     = "info"
	Err      = "error"
	Warn     = "warn"
	Inst     = "install"
	Uinst    = "uninstall"
	None     = "none"
	Alphabet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
)

Variables

View Source 
var ErrAbort = errors.New("")

ErrAbort is the error returned when confirm prompts are supplied "n"

View Source 
var ErrEOF = errors.New("^D")

ErrEOF is the error returned from prompts when EOF is encountered.

View Source 
var ErrInterrupt = errors.New("^C")

ErrInterrupt is the error returned from prompts when an interrupt (ctrl-c) is encountered.

Functions

func ArgumentsCheck 

func ArgumentsCheck(argCount, min, max int) error

ArgumentsCheck check arguments count correctness

func CheckAndExit 

func CheckAndExit(err error)

func CheckConnect 

func CheckConnect(connect string) error

check connect string, format is [user@]host[:port]

func CheckErr 

func CheckErr(err error) bool

func Clear 

func Clear()

clear screen

func CompressStr 

func CompressStr(str string) string

compress string by regexp trim space or tab

func Converted2Rendered 

func Converted2Rendered(r io.Reader, w io.Writer, prefix string)

func DeleteExtraSpace 

func DeleteExtraSpace(s string) string

func ErrorAssert 

func ErrorAssert(err error, assert string) bool

错误断言

func Execute 

func Execute(workDir, script string, args ...string) bool

Execute executes shell commands with arguments

func ExitN 

func ExitN(messageType string, message string, code int)

func GetColor 

func GetColor() (string, color.Color)

func GetNodeIP 

func GetNodeIP() string

GetNodeIP fetches node ip via command hostname. If it fails to get this, return empty string directly.

func GetOSName 

func GetOSName() (string, error)

GetOSName gets data in /etc/os-release and gets OS name. For example, in a Ubuntu host, fetched data are like: root@i-8brpbc9t:~# cat /etc/os-release NAME="Ubuntu" VERSION="16.04.2 LTS (Xenial Xerus)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 16.04.2 LTS" VERSION_ID="16.04" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/" VERSION_CODENAME=xenial UBUNTU_CODENAME=xenial

func GetUsername 

func GetUsername() string

GetUsername return current username

func Install 

func Install(osName string, dir string) error

func IsEmpty 

func IsEmpty(path string) (bool, error)

IsEmpty check directory is or is not empty

func IsNumeric 

func IsNumeric(val interface{}) bool

IsNumeric is_numeric() Numeric strings consist of optional sign, any number of digits, optional decimal part and optional exponential part. Thus +0123.45e6 is a valid numeric value. In PHP hexadecimal (e.g. 0xf4c3b00c) is not supported, but IsNumeric is supported. 

func IsSymLink(filepath string) (error, bool)

func MergeSlice 

func MergeSlice(s1 []string, s2 []string) []string

func ParseAbsPath 

func ParseAbsPath(filepath string, homeDir string) string

ParseAbsPath return relative file path if filepath is absolute

func ParseConnect 

func ParseConnect(connectStr string) (string, string, string)

ParseConnect parse connect string, format is [user@]host[:port]

func ParseOriginalFilePath 

func ParseOriginalFilePath(filepath string) string

ParseOriginalFilePath return the original file path if file is a symbol link

func ParseRelPath 

func ParseRelPath(filepath string, homeDir string) string

ParseRelPath return absolute file path if filepath is relative

func PathExist 

func PathExist(_path string) bool

PathExist check file is or is not exist

func PrintErr 

func PrintErr(err error)

func PrintErrWithPrefix 

func PrintErrWithPrefix(prefix string, err error)

func PrintN 

func PrintN(messageType string, message string)

func Query 

func Query(values, keys []string, ignoreCase bool) bool

Query values contains keys

func Render 

func Render(tpl *template.Template, data interface{}) []byte

func RenderedOutput 

func RenderedOutput(wr io.Writer, line ColorLine) error

func RenderedTpl 

func RenderedTpl() *template.Template

func Root 

func Root() bool

func SortKeys 

func SortKeys(m map[string]string) []string

SortKeys sort map keys

func Uninstall 

func Uninstall(osName string, dir string) error

Types

type ColorLine 

type ColorLine struct {
	Prefix string
	Value  string
}

type SSHSession 

type SSHSession struct {
	Stdin  io.Writer
	Stdout io.Reader
	Stderr io.Reader
	// contains filtered or unexported fields
}

func NewSSHSession 

func NewSSHSession(session *ssh.Session) *SSHSession

New Session

func NewSSHSessionWithRoot 

func NewSSHSessionWithRoot(session *ssh.Session, useSudo, noPasswordSudo bool, rootPassword, userPassword string) *SSHSession

New Session and auto switch root user

func NewSSHSessionWithRootAndCmdDelay 

func NewSSHSessionWithRootAndCmdDelay(session *ssh.Session, useSudo, noPasswordSudo bool, rootPassword, userPassword string, cmdDelay time.Duration) *SSHSession

New Session and auto switch root user(support custom switch cmd delay)

func (*SSHSession) Close 

func (s *SSHSession) Close() error

Close close the session

func (*SSHSession) PipeExec 

func (s *SSHSession) PipeExec(cmd string, printFn func(r io.Reader, w io.Writer)) error

func (*SSHSession) Terminal 

func (s *SSHSession) Terminal() error

open a interactive shell

func (*SSHSession) TerminalWithKeepAlive 

func (s *SSHSession) TerminalWithKeepAlive(serverAliveInterval time.Duration) error

TerminalWithKeepAlive open a interactive terminal shell with keepalive

type SystemVersion 

type SystemVersion struct {
	Name string `json:"Name,omitempty"`

	// Arch type of underlying hardware
	Arch string `json:"Arch,omitempty"`

	// The time when this binary of daemon is built
	BuildTime string `json:"BuildTime,omitempty"`

	// Commit ID held by the latest commit operation
	GitCommit string `json:"GitCommit,omitempty"`

	// version of Go runtime
	GoVersion string `json:"GoVersion,omitempty"`

	// Operating system type of underlying system
	Os string `json:"Os,omitempty"`

	Version string `json:"Version,omitempty"`
}

func Version 

func Version() (SystemVersion, error)

type VersionInfo 

type VersionInfo struct {
	Kernel int    // Version of the kernel (e.g. 4.1.2-generic -> 4)
	Major  int    // Major part of the kernel version (e.g. 4.1.2-generic -> 1)
	Minor  int    // Minor part of the kernel version (e.g. 4.1.2-generic -> 2)
	Flavor string // Flavor of the kernel version (e.g. 4.1.2-generic -> generic)
}

VersionInfo holds information about the kernel.

func GetKernelVersion 

func GetKernelVersion() (*VersionInfo, error)

GetKernelVersion returns the kernel version info.

func (*VersionInfo) String 

func (k *VersionInfo) String() string

String returns the kernel version's string format.

Source Files

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