opts

package
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Published: Nov 19, 2020 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

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const DefaultHTTPHost = "localhost"

DefaultHTTPHost Default HTTP Host used if only port is provided to -H flag e.g. docker daemon -H tcp://:8080

Variables

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var ErrBadFormat = errors.New("bad format of filter (expected name=value)")

ErrBadFormat is an error returned when a filter is not in the form key=value

Deprecated: this error will be removed in a future version

Functions

func ToJSON

func ToJSON(a Args) (string, error)

ToJSON returns the Args as a JSON encoded string

func ToParam deprecated

func ToParam(a Args) (string, error)

ToParam encodes the Args as args JSON encoded string

Deprecated: use ToJSON

func ValidateDNSSearch

func ValidateDNSSearch(val string) (string, error)

ValidateDNSSearch validates domain for resolvconf search configuration. A zero length domain is represented by a dot (.).

func ValidateIPAddress

func ValidateIPAddress(val string) (string, error)

ValidateIPAddress validates an Ip address.

func ValidateLabel

func ValidateLabel(val string) (string, error)

ValidateLabel validates that the specified string is a valid label, and returns it. Labels are in the form on key=value.

func ValidateSysctl

func ValidateSysctl(val string) (string, error)

ValidateSysctl validates a sysctl and returns it.

Types

type Args

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

Args stores a mapping of keys to a set of multiple values.

func NewArgs

func NewArgs(initialArgs ...KeyValuePair) Args

NewArgs returns a new Args populated with the initial args

func ParseFlag deprecated

func ParseFlag(arg string, prev Args) (Args, error)

ParseFlag parses a key=value string and adds it to an Args.

Deprecated: Use Args.Add()

func (Args) Add

func (args Args) Add(key, value string)

Add a new value to the set of values

func (Args) Contains

func (args Args) Contains(field string) bool

Contains returns true if the key exists in the mapping

func (Args) Del

func (args Args) Del(key, value string)

Del removes a value from the set

func (Args) ExactMatch

func (args Args) ExactMatch(key, source string) bool

ExactMatch returns true if the source matches exactly one of the values.

func (Args) FuzzyMatch

func (args Args) FuzzyMatch(key, source string) bool

FuzzyMatch returns true if the source matches exactly one value, or the source has one of the values as a prefix.

func (Args) Get

func (args Args) Get(key string) []string

Get returns the list of values associated with the key

func (Args) Include deprecated

func (args Args) Include(field string) bool

Include returns true if the key exists in the mapping

Deprecated: use Contains

func (Args) Len

func (args Args) Len() int

Len returns the number of keys in the mapping

func (Args) MarshalJSON

func (args Args) MarshalJSON() ([]byte, error)

MarshalJSON returns a JSON byte representation of the Args

func (Args) Match

func (args Args) Match(field, source string) bool

Match returns true if any of the values at key match the source string

func (Args) MatchKVList

func (args Args) MatchKVList(key string, sources map[string]string) bool

MatchKVList returns true if all the pairs in sources exist as key=value pairs in the mapping at key, or if there are no values at key.

func (Args) UniqueExactMatch

func (args Args) UniqueExactMatch(key, source string) bool

UniqueExactMatch returns true if there is only one value and the source matches exactly the value.

func (Args) Validate

func (args Args) Validate(accepted map[string]bool) error

Validate compared the set of accepted keys against the keys in the mapping. An error is returned if any mapping keys are not in the accepted set.

func (Args) WalkValues

func (args Args) WalkValues(field string, op func(value string) error) error

WalkValues iterates over the list of values for a key in the mapping and calls op() for each value. If op returns an error the iteration stops and the error is returned.

type FilterOpt

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

FilterOpt is a flag type for validating filters

func NewFilterOpt

func NewFilterOpt() FilterOpt

NewFilterOpt returns a new FilterOpt

func (*FilterOpt) Set

func (o *FilterOpt) Set(value string) error

Set sets the value of the opt by parsing the command line value

func (*FilterOpt) String

func (o *FilterOpt) String() string

func (*FilterOpt) Type

func (o *FilterOpt) Type() string

Type returns the option type

func (*FilterOpt) Value

func (o *FilterOpt) Value() Args

Value returns the value of this option

type KeyValuePair

type KeyValuePair struct {
	Key   string
	Value string
}

KeyValuePair are used to initialize a new Args

func Arg

func Arg(key, value string) KeyValuePair

Arg creates a new KeyValuePair for initializing Args

type ListOpts

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

ListOpts holds a list of values and a validation function.

func NewListOpts

func NewListOpts(validator ValidatorFctType) ListOpts

NewListOpts creates a new ListOpts with the specified validator.

func NewListOptsRef

func NewListOptsRef(values *[]string, validator ValidatorFctType) *ListOpts

NewListOptsRef creates a new ListOpts with the specified values and validator.

func (*ListOpts) Delete

func (opts *ListOpts) Delete(key string)

Delete removes the specified element from the slice.

func (*ListOpts) Get

func (opts *ListOpts) Get(key string) bool

Get checks the existence of the specified key.

func (*ListOpts) GetAll

func (opts *ListOpts) GetAll() []string

GetAll returns the values of slice.

func (*ListOpts) GetAllOrEmpty

func (opts *ListOpts) GetAllOrEmpty() []string

GetAllOrEmpty returns the values of the slice or an empty slice when there are no values.

func (*ListOpts) GetMap

func (opts *ListOpts) GetMap() map[string]struct{}

GetMap returns the content of values in a map in order to avoid duplicates.

func (*ListOpts) Len

func (opts *ListOpts) Len() int

Len returns the amount of element in the slice.

func (*ListOpts) Set

func (opts *ListOpts) Set(value string) error

Set validates if needed the input value and adds it to the internal slice.

func (*ListOpts) String

func (opts *ListOpts) String() string

func (*ListOpts) Type

func (opts *ListOpts) Type() string

Type returns a string name for this Option type

type MapOpts

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

MapOpts holds a map of values and a validation function.

func NewMapOpts

func NewMapOpts(values map[string]string, validator ValidatorFctType) *MapOpts

NewMapOpts creates a new MapOpts with the specified map of values and a validator.

func (*MapOpts) GetAll

func (opts *MapOpts) GetAll() map[string]string

GetAll returns the values of MapOpts as a map.

func (*MapOpts) Set

func (opts *MapOpts) Set(value string) error

Set validates if needed the input value and add it to the internal map, by splitting on '='.

func (*MapOpts) String

func (opts *MapOpts) String() string

func (*MapOpts) Type

func (opts *MapOpts) Type() string

Type returns a string name for this Option type

type NamedListOpts

type NamedListOpts struct {
	ListOpts
	// contains filtered or unexported fields
}

NamedListOpts is a ListOpts with a configuration name. This struct is useful to keep reference to the assigned field name in the internal configuration struct.

func NewNamedListOptsRef

func NewNamedListOptsRef(name string, values *[]string, validator ValidatorFctType) *NamedListOpts

NewNamedListOptsRef creates a reference to a new NamedListOpts struct.

func (*NamedListOpts) Name

func (o *NamedListOpts) Name() string

Name returns the name of the NamedListOpts in the configuration.

type NamedMapOpts

type NamedMapOpts struct {
	MapOpts
	// contains filtered or unexported fields
}

NamedMapOpts is a MapOpts struct with a configuration name. This struct is useful to keep reference to the assigned field name in the internal configuration struct.

func NewNamedMapOpts

func NewNamedMapOpts(name string, values map[string]string, validator ValidatorFctType) *NamedMapOpts

NewNamedMapOpts creates a reference to a new NamedMapOpts struct.

func (*NamedMapOpts) Name

func (o *NamedMapOpts) Name() string

Name returns the name of the NamedMapOpts in the configuration.

type NamedOption

type NamedOption interface {
	Name() string
}

NamedOption is an interface that list and map options with names implement.

type ValidatorFctListType

type ValidatorFctListType func(val string) ([]string, error)

ValidatorFctListType defines a validator function that returns a validated list of string and/or an error

type ValidatorFctType

type ValidatorFctType func(val string) (string, error)

ValidatorFctType defines a validator function that returns a validated string and/or an error.

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