Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

charm

package module

Go to main page

Versions in this module

v8

v8.0.6

Sep 8, 2022

v8.0.5

Aug 31, 2022

v8.0.4

Aug 30, 2022

v8.0.3

Aug 16, 2022

v8.0.2

Aug 5, 2022

Changes in this version

type BundleDataPart

+ UnmarshallError error

v8.0.1

May 9, 2022

Changes in this version

+ var Risks = []Risk

+ func CheckMeta(ch CharmMeta) error

+ func EnsureSchema(url string, defaultSchema Schema) (string, error)

+ func GetActionNameRule() *regexp.Regexp

+ func IsBuiltinMetric(key string) bool

+ func IsCharmDir(path string) bool

+ func IsMissingSeriesError(err error) bool

+ func IsUnsupportedSeriesError(err error) bool

+ func IsValidArchitecture(arch string) bool

+ func IsValidLocalCharmOrBundlePath(path string) bool

+ func IsValidName(name string) bool

+ func IsValidOfferURL(urlStr string) bool

+ func IsValidSeries(series string) bool

+ func MakeURL(user, model, application, controller string) string

+ func MetaFormatReasons(ch CharmMeta) (Format, []FormatSelectionReason)

+ func NewUnsupportedSeriesError(requestedSeries string, supportedSeries []string) error

+ func Quote(unsafe string) string

+ func ReadVersion(r io.Reader) (string, error)

+ func RewriteURL(url string) (string, error)

+ func SeriesForCharm(requestedSeries string, supportedSeries []string) (string, error)

+ func ValidateArchitecture(arch string) error

+ func ValidateName(name string) error

+ func ValidateSchema(schema string) error

+ func ValidateSeries(series string) error

+ func VerifyNoOverlayFieldsPresent(bd *BundleData) error

+ type ActionSpec struct

+ Description string

+ Params map[string]interface{}

+ func (spec *ActionSpec) InsertDefaults(target map[string]interface{}) (map[string]interface{}, error)

+ func (spec *ActionSpec) ValidateParams(params map[string]interface{}) error

+ type Actions struct

+ ActionSpecs map[string]ActionSpec

+ func NewActions() *Actions

+ func ReadActionsYaml(r io.Reader) (*Actions, error)

+ type ApplicationSpec struct

+ Annotations map[string]string

+ Channel string

+ Charm string

+ Constraints string

+ Devices map[string]string

+ EndpointBindings map[string]string

+ Expose bool

+ ExposedEndpoints map[string]ExposedEndpointSpec

+ NumUnits int

+ Offers map[string]*OfferSpec

+ Options map[string]interface{}

+ Placement_ string

+ Plan string

+ RequiresTrust bool

+ Resources map[string]interface{}

+ Revision *int

+ Scale_ int

+ Series string

+ Storage map[string]string

+ To []string

+ type Base struct

+ Architectures []string

+ Channel Channel

+ Name string

+ func ParseBase(s string, archs ...string) (Base, error)

+ func (b Base) String() string

+ func (b Base) Validate() error

+ type Bundle interface

+ ContainsOverlays func() bool

+ Data func() *BundleData

+ ReadMe func() string

+ func ReadBundle(path string) (Bundle, error)

+ type BundleArchive struct

+ Path string

+ func ReadBundleArchive(path string) (*BundleArchive, error)

+ func ReadBundleArchiveBytes(data []byte) (*BundleArchive, error)

+ func ReadBundleArchiveFromReader(r io.ReaderAt, size int64) (*BundleArchive, error)

+ func (a *BundleArchive) ContainsOverlays() bool

+ func (a *BundleArchive) Data() *BundleData

+ func (a *BundleArchive) ExpandTo(dir string) error

+ func (a *BundleArchive) ReadMe() string

+ type BundleData struct

+ Applications map[string]*ApplicationSpec

+ Description string

+ Machines map[string]*MachineSpec

+ Relations [][]string

+ Saas map[string]*SaasSpec

+ Series string

+ Tags []string

+ Type string

+ func ExtractBaseAndOverlayParts(bd *BundleData) (base, overlay *BundleData, err error)

+ func ReadAndMergeBundleData(sources ...BundleDataSource) (*BundleData, error)

+ func ReadBundleData(r io.Reader) (*BundleData, error)

+ func (bd *BundleData) RequiredCharms() []string

+ func (bd *BundleData) SetBSON(raw bson.Raw) error

+ func (bd *BundleData) UnmarshalJSON(b []byte) error

+ func (bd *BundleData) UnmarshalYAML(f func(interface{}) error) error

+ func (bd *BundleData) Verify(verifyConstraints func(c string) error, verifyStorage func(s string) error, ...) error

+ func (bd *BundleData) VerifyLocal(bundleDir string, verifyConstraints func(c string) error, ...) error

+ func (bd *BundleData) VerifyWithCharms(verifyConstraints func(c string) error, verifyStorage func(s string) error, ...) error

+ func (d *BundleData) UnmarshaledWithServices() bool

+ type BundleDataPart struct

+ Data *BundleData

+ PresenceMap FieldPresenceMap

+ type BundleDataSource interface

+ BasePath func() string

+ Parts func() []*BundleDataPart

+ ResolveInclude func(path string) ([]byte, error)

+ func LocalBundleDataSource(path string) (BundleDataSource, error)

+ func StreamBundleDataSource(r io.Reader, basePath string) (BundleDataSource, error)

+ type BundleDir struct

+ Path string

+ func ReadBundleDir(path string) (dir *BundleDir, err error)

+ func (dir *BundleDir) ArchiveTo(w io.Writer) error

+ func (dir *BundleDir) ContainsOverlays() bool

+ func (dir *BundleDir) Data() *BundleData

+ func (dir *BundleDir) ReadMe() string

+ type Channel struct

+ Branch string

+ Risk Risk

+ Track string

+ func MakeChannel(track, risk, branch string) (Channel, error)

+ func MakePermissiveChannel(track, risk, branch string) Channel

+ func ParseChannel(s string) (Channel, error)

+ func ParseChannelNormalize(s string) (Channel, error)

+ func (ch Channel) Empty() bool

+ func (ch Channel) Normalize() Channel

+ func (ch Channel) String() string

+ type Charm interface

+ Actions func() *Actions

+ Config func() *Config

+ Metrics func() *Metrics

+ Revision func() int

+ func ReadCharm(path string) (charm Charm, err error)

+ type CharmArchive struct

+ Path string

+ func ReadCharmArchive(path string) (*CharmArchive, error)

+ func ReadCharmArchiveBytes(data []byte) (archive *CharmArchive, err error)

+ func ReadCharmArchiveFromReader(r io.ReaderAt, size int64) (archive *CharmArchive, err error)

+ func (a *CharmArchive) ArchiveMembers() (set.Strings, error)

+ func (a *CharmArchive) ExpandTo(dir string) error

+ func (c CharmArchive) Actions() *Actions

+ func (c CharmArchive) Config() *Config

+ func (c CharmArchive) LXDProfile() *LXDProfile

+ func (c CharmArchive) Manifest() *Manifest

+ func (c CharmArchive) Meta() *Meta

+ func (c CharmArchive) Metrics() *Metrics

+ func (c CharmArchive) Revision() int

+ func (c CharmArchive) SetRevision(revision int)

+ func (c CharmArchive) Version() string

+ type CharmDir struct

+ Path string

+ func ReadCharmDir(path string) (*CharmDir, error)

+ func (c CharmDir) Actions() *Actions

+ func (c CharmDir) Config() *Config

+ func (c CharmDir) LXDProfile() *LXDProfile

+ func (c CharmDir) Manifest() *Manifest

+ func (c CharmDir) Meta() *Meta

+ func (c CharmDir) Metrics() *Metrics

+ func (c CharmDir) Revision() int

+ func (c CharmDir) SetRevision(revision int)

+ func (c CharmDir) Version() string

+ func (dir *CharmDir) ArchiveTo(w io.Writer) error

+ func (dir *CharmDir) MaybeGenerateVersionString(logger Logger) (string, string, error)

+ func (dir *CharmDir) SetDiskRevision(revision int) error

+ type CharmMeta interface

+ Manifest func() *Manifest

+ Meta func() *Meta

+ type Config struct

+ Options map[string]Option

+ func NewConfig() *Config

+ func ReadConfig(r io.Reader) (*Config, error)

+ func (c *Config) DefaultSettings() Settings

+ func (c *Config) FilterSettings(settings Settings) Settings

+ func (c *Config) ParseSettingsStrings(values map[string]string) (Settings, error)

+ func (c *Config) ParseSettingsYAML(yamlData []byte, key string) (Settings, error)

+ func (c *Config) ValidateSettings(settings Settings) (Settings, error)

+ type Container struct

+ Mounts []Mount

+ Resource string

+ type Deployment struct

+ DeploymentMode DeploymentMode

+ DeploymentType DeploymentType

+ MinVersion string

+ ServiceType ServiceType

+ type DeploymentMode string

+ const ModeOperator

+ const ModeWorkload

+ type DeploymentType string

+ const DeploymentDaemon

+ const DeploymentStateful

+ const DeploymentStateless

+ type Device struct

+ CountMax int64

+ CountMin int64

+ Description string

+ Name string

+ Type DeviceType

+ type DeviceType string

+ type ExposedEndpointSpec struct

+ ExposeToCIDRs []string

+ ExposeToSpaces []string

+ type ExtraBinding struct

+ Name string

+ type FieldPresenceMap map[interface{}]interface

+ type Format int

+ const FormatUnknown

+ const FormatV1

+ const FormatV2

+ func MetaFormat(ch CharmMeta) Format

+ type FormatSelectionReason = string

+ const SelectionBases

+ const SelectionContainers

+ const SelectionManifest

+ const SelectionSeries

+ type LXDProfile struct

+ Config map[string]string

+ Description string

+ Devices map[string]map[string]string

+ func NewLXDProfile() *LXDProfile

+ func ReadLXDProfile(r io.Reader) (*LXDProfile, error)

+ func (profile *LXDProfile) Empty() bool

+ func (profile *LXDProfile) ValidateConfigDevices() error

+ type LXDProfiler interface

+ LXDProfile func() *LXDProfile

+ type Location interface

+ Path func() string

+ String func() string

+ type Logger interface

+ Debugf func(message string, args ...interface{})

+ Errorf func(message string, args ...interface{})

+ Infof func(message string, args ...interface{})

+ Tracef func(message string, args ...interface{})

+ Warningf func(message string, args ...interface{})

+ type MachineSpec struct

+ Annotations map[string]string

+ Constraints string

+ Series string

+ type Manifest struct

+ Bases []Base

+ func ReadManifest(r io.Reader) (*Manifest, error)

+ func (m *Manifest) UnmarshalYAML(f func(interface{}) error) error

+ func (m *Manifest) Validate() error

+ type Meta struct

+ Assumes *assumes.ExpressionTree

+ Categories []string

+ Containers map[string]Container

+ Deployment *Deployment

+ Description string

+ Devices map[string]Device

+ ExtraBindings map[string]ExtraBinding

+ MinJujuVersion version.Number

+ Name string

+ PayloadClasses map[string]PayloadClass

+ Peers map[string]Relation

+ Provides map[string]Relation

+ Requires map[string]Relation

+ Resources map[string]resource.Meta

+ Series []string

+ Storage map[string]Storage

+ Subordinate bool

+ Summary string

+ Tags []string

+ Terms []string

+ func ReadMeta(r io.Reader) (*Meta, error)

+ func (m Meta) Check(format Format, reasons ...FormatSelectionReason) error

+ func (m Meta) CombinedRelations() map[string]Relation

+ func (m Meta) Hooks() map[string]bool

+ func (m Meta) MarshalYAML() (interface{}, error)

+ func (meta *Meta) UnmarshalYAML(f func(interface{}) error) error

+ type Metric struct

+ Description string

+ Type MetricType

+ type MetricType string

+ const MetricTypeAbsolute

+ const MetricTypeGauge

+ type Metrics struct

+ Metrics map[string]Metric

+ Plan *Plan

+ func ReadMetrics(r io.Reader) (*Metrics, error)

+ func (m Metrics) PlanRequired() bool

+ func (m Metrics) ValidateMetric(name, value string) error

+ type Mount struct

+ Location string

+ Storage string

+ type OfferSpec struct

+ ACL map[string]string

+ Endpoints []string

+ type OfferURL struct

+ ApplicationName string

+ ModelName string

+ Source string

+ User string

+ func ParseOfferURL(urlStr string) (*OfferURL, error)

+ func (u *OfferURL) AsLocal() *OfferURL

+ func (u *OfferURL) HasEndpoint() bool

+ func (u *OfferURL) Path() string

+ func (u *OfferURL) String() string

+ type OfferURLParts OfferURL

+ func ParseOfferURLParts(urlStr string) (*OfferURLParts, error)

+ type Option struct

+ Default interface{}

+ Description string

+ Type string

+ type PayloadClass struct

+ Name string

+ Type string

+ func (pc PayloadClass) Validate() error

+ type Plan struct

+ Required bool

+ type Relation struct

+ Interface string

+ Limit int

+ Name string

+ Optional bool

+ Role RelationRole

+ Scope RelationScope

+ func (r Relation) ImplementedBy(ch Charm) bool

+ func (r Relation) IsImplicit() bool

+ type RelationRole string

+ const RolePeer

+ const RoleProvider

+ const RoleRequirer

+ type RelationScope string

+ const ScopeContainer

+ const ScopeGlobal

+ type Risk string

+ const Beta

+ const Candidate

+ const Edge

+ const Stable

+ type SaasSpec struct

+ URL string

+ type Schema string

+ const CharmHub

+ const CharmStore

+ const HTTP

+ const HTTPS

+ const Local

+ func (s Schema) Matches(other string) bool

+ func (s Schema) Prefix(url string) string

+ func (s Schema) String() string

+ type ServiceType string

+ const ServiceCluster

+ const ServiceExternal

+ const ServiceLoadBalancer

+ const ServiceOmit

+ type Settings map[string]interface

+ type Storage struct

+ CountMax int

+ CountMin int

+ Description string

+ Location string

+ MinimumSize uint64

+ Name string

+ Properties []string

+ ReadOnly bool

+ Shared bool

+ Type StorageType

+ type StorageType string

+ const StorageBlock

+ const StorageFilesystem

+ type TermsId struct

+ Name string

+ Owner string

+ Revision int

+ Tenant string

+ func ParseTerm(s string) (*TermsId, error)

+ func (t *TermsId) String() string

+ func (t *TermsId) Validate() error

+ type URL struct

+ Architecture string

+ Name string

+ Revision int

+ Schema string

+ Series string

+ User string

+ func MustParseURL(url string) *URL

+ func ParseURL(url string) (*URL, error)

+ func (u *URL) FullPath() string

+ func (u *URL) GetBSON() (interface{}, error)

+ func (u *URL) MarshalJSON() ([]byte, error)

+ func (u *URL) MarshalText() ([]byte, error)

+ func (u *URL) Path() string

+ func (u *URL) SetBSON(raw bson.Raw) error

+ func (u *URL) String() string

+ func (u *URL) UnmarshalJSON(b []byte) error

+ func (u *URL) UnmarshalText(data []byte) error

+ func (u *URL) WithArchitecture(arch string) *URL

+ func (u *URL) WithRevision(revision int) *URL

+ func (u *URL) WithSeries(series string) *URL

+ type UnitPlacement struct

+ Application string

+ ContainerType string

+ Machine string

+ Unit int

+ func ParsePlacement(p string) (*UnitPlacement, error)

+ type VerificationError struct

+ Errors []error

+ func (err *VerificationError) Error() string

Other modules containing this package

github.com/juju/charm/v10

github.com/juju/charm/v11

github.com/juju/charm/v12

github.com/juju/charm/v13

github.com/juju/charm/v7

github.com/juju/charm/v9