util

package
v0.0.0-...-7a2065e Latest Latest
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Published: May 29, 2019 License: Apache-2.0 Imports: 10 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func AppendError

func AppendError(errs []error, err error) []error

AppendError does append(errs, err) if err != nil

func AppendField

func AppendField(fields []string, flag, prefix string) []string

AppendField will append prefix to the flag value.

For example, AppendField(fields, "--foo", "bar") if fields is empty or does not contain a "--foo" it will simply append a "--foo=bar" value. Otherwise if fields contains "--foo=current" it will replace this value with "--foo=current-bar

func EnsureExecutable

func EnsureExecutable(p string) error

EnsureExecutable sets the executable file mode bits, for all users, to ensure that we can execute a file

func ExecError

func ExecError(err error) string

ExecError returns a string format of err including stderr if the err is an ExitError, useful for errors from e.g. exec.Cmd.Output().

func ExtractField

func ExtractField(fields []string, target string) ([]string, string, bool)

ExtractField input ("--a=this --b=that --c=other", "--b") returns [--a=this, --c=other"], "that", true

In other words, it will remove "--b" from fields and return the previous value of "--b" if it was set.

func FlushMem

func FlushMem()

FlushMem will try to reduce the memory usage of the container it is running in run this after a build

func Home

func Home(parts ...string) string

Home returns Returns $HOME/part/part/part

func InsertPath

func InsertPath(path string) error

InsertPath does export PATH=path:$PATH

func JSONForDebug

func JSONForDebug(o interface{}) string

JSONForDebug returns a json representation of the value, or a string representation of an error It is useful for an easy implementation of fmt.Stringer

func JoinURL

func JoinURL(urlPath, path string) (string, error)

JoinURL converts input (gs://foo, "bar") to gs://foo/bar

func K8s

func K8s(topdir string, parts ...string) string

K8s returns $GOPATH/src/k8s.io/...

func MigrateOptions

func MigrateOptions(m []MigratedOption) error

MigrateOptions reads value from ENV if --flag unset, optionally pushing to ENV

func PushEnv

func PushEnv(env, value string) (func() error, error)

PushEnv pushes env=value and return a function that resets env

func Pushd

func Pushd(dir string) (func() error, error)

Pushd will Chdir() to dir and return a function to cd back to Getwd()

func SetFieldDefault

func SetFieldDefault(fields []string, flag, val string) []string

SetFieldDefault sets the value of flag to val if flag is not present in fields.

For example, SetFieldDefault(fields, "--foo", "bar") will append "--foo=bar" if fields is empty or does not include a "--foo" flag. It returns fields unchanged if "--foo" is present.

Types

type MigratedOption

type MigratedOption struct {
	Env      string  // env associated with --flag
	Option   *string // Value of --flag
	Name     string  // --flag name
	SkipPush bool    // Push option to env if false
}

MigratedOption is an option that was an ENV that is now a --flag

type TestCase

type TestCase struct {
	XMLName   xml.Name `xml:"testcase"`
	ClassName string   `xml:"classname,attr"`
	Name      string   `xml:"name,attr"`
	Time      float64  `xml:"time,attr"`
	Failure   string   `xml:"failure,omitempty"`
	Skipped   string   `xml:"skipped,omitempty"`
}

TestCase holds the result of a test/step/command.

This will become a row in testgrid.

type TestSuite

type TestSuite struct {
	XMLName  xml.Name `xml:"testsuite"`
	Failures int      `xml:"failures,attr"`
	Tests    int      `xml:"tests,attr"`
	Time     float64  `xml:"time,attr"`
	Cases    []TestCase
}

TestSuite holds a slice of TestCase and other summary metadata.

A build (column in testgrid) is composed of one or more TestSuites.

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