appconfig

package
v0.2.93 Latest Latest
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 Go to latest Published: Jul 19, 2024 License: Apache-2.0 Imports: 38 Imported by: 0

Documentation

Overview

Package appconfig implements functionality related to reading and writing app configuration files.

Index

Constants

View Source 
const (
	// DefaultConfigFileName denotes the default application configuration file name.
	DefaultConfigFileName = "fly.toml"
)

Variables

View Source 
var (
	ValidationError          = errors.New("invalid app configuration")
	MachinesDeployStrategies = []string{"canary", "rolling", "immediate", "bluegreen"}
)

Functions

func ConfigFileExistsAtPath 

func ConfigFileExistsAtPath(p string) (bool, error)

func NameFromContext 

func NameFromContext(ctx context.Context) string

NameFromContext returns the app name ctx carries or an empty string.

func ResolveConfigFileFromPath 

func ResolveConfigFileFromPath(p string) (string, error)

func WithConfig 

func WithConfig(ctx context.Context, cfg *Config) context.Context

WithConfig derives a context that carries cfg from ctx.

func WithName 

func WithName(ctx context.Context, name string) context.Context

WithName derives a context that carries the given app name from ctx.

Types

type Build 

type Build struct {
	Builder           string            `toml:"builder,omitempty" json:"builder,omitempty"`
	Args              map[string]string `toml:"args,omitempty" json:"args,omitempty"`
	Buildpacks        []string          `toml:"buildpacks,omitempty" json:"buildpacks,omitempty"`
	Image             string            `toml:"image,omitempty" json:"image,omitempty"`
	Settings          map[string]any    `toml:"settings,omitempty" json:"settings,omitempty"`
	Builtin           string            `toml:"builtin,omitempty" json:"builtin,omitempty"`
	Dockerfile        string            `toml:"dockerfile,omitempty" json:"dockerfile,omitempty"`
	Ignorefile        string            `toml:"ignorefile,omitempty" json:"ignorefile,omitempty"`
	DockerBuildTarget string            `toml:"build-target,omitempty" json:"build-target,omitempty"`
}

type Compute added in v0.1.122 

type Compute struct {
	Size              string `json:"size,omitempty" toml:"size,omitempty"`
	Memory            string `json:"memory,omitempty" toml:"memory,omitempty"`
	*fly.MachineGuest `toml:",inline" json:",inline"`
	Processes         []string `json:"processes,omitempty" toml:"processes,omitempty"`
}

type Config 

type Config struct {
	AppName        string        `toml:"app,omitempty" json:"app,omitempty"`
	PrimaryRegion  string        `toml:"primary_region,omitempty" json:"primary_region,omitempty"`
	KillSignal     *string       `toml:"kill_signal,omitempty" json:"kill_signal,omitempty"`
	KillTimeout    *fly.Duration `toml:"kill_timeout,omitempty" json:"kill_timeout,omitempty"`
	SwapSizeMB     *int          `toml:"swap_size_mb,omitempty" json:"swap_size_mb,omitempty"`
	ConsoleCommand string        `toml:"console_command,omitempty" json:"console_command,omitempty"`

	// Sections that are typically short and benefit from being on top
	Experimental *Experimental     `toml:"experimental,omitempty" json:"experimental,omitempty"`
	Build        *Build            `toml:"build,omitempty" json:"build,omitempty"`
	Deploy       *Deploy           `toml:"deploy,omitempty" json:"deploy,omitempty"`
	Env          map[string]string `toml:"env,omitempty" json:"env,omitempty"`

	// Fields that are process group aware must come after Processes
	Processes        map[string]string         `toml:"processes,omitempty" json:"processes,omitempty"`
	Mounts           []Mount                   `toml:"mounts,omitempty" json:"mounts,omitempty"`
	HTTPService      *HTTPService              `toml:"http_service,omitempty" json:"http_service,omitempty"`
	Services         []Service                 `toml:"services,omitempty" json:"services,omitempty"`
	Checks           map[string]*ToplevelCheck `toml:"checks,omitempty" json:"checks,omitempty"`
	Files            []File                    `toml:"files,omitempty" json:"files,omitempty"`
	HostDedicationID string                    `toml:"host_dedication_id,omitempty" json:"host_dedication_id,omitempty"`

	MachineChecks []*ServiceMachineCheck `toml:"machine_checks,omitempty" json:"machine_checks,omitempty"`

	Restart []Restart `toml:"restart,omitempty" json:"restart,omitempty"`

	Compute []*Compute `toml:"vm,omitempty" json:"vm,omitempty"`

	// Others, less important.
	Statics []Static   `toml:"statics,omitempty" json:"statics,omitempty"`
	Metrics []*Metrics `toml:"metrics,omitempty" json:"metrics,omitempty"`

	// MergedFiles is a list of files that have been merged from the app config and flags.
	MergedFiles []*fly.File `toml:"-" json:"-"`
	// contains filtered or unexported fields
}

Config wraps the properties of app configuration. NOTE: If you any new setting here, please also add a value for it at testdata/rull-reference.toml

func ConfigFromContext 

func ConfigFromContext(ctx context.Context) *Config

ConfigFromContext returns the Config ctx carries.

func FromAppAndMachineSet 

func FromAppAndMachineSet(ctx context.Context, appName string, machines machine.MachineSet) (*Config, string, error)

func FromDefinition 

func FromDefinition(definition *fly.Definition) (*Config, error)

func FromRemoteApp added in v0.0.479 

func FromRemoteApp(ctx context.Context, appName string) (*Config, error)

func LoadConfig 

func LoadConfig(path string) (cfg *Config, err error)

LoadConfig loads the app config at the given path.

func NewConfig 

func NewConfig() *Config

func (*Config) AllServices added in v0.0.514 

func (c *Config) AllServices() (services []Service)

func (*Config) BuildStrategies added in v0.0.500 

func (cfg *Config) BuildStrategies() []string

func (*Config) ComputeForGroup added in v0.2.3 

func (c *Config) ComputeForGroup(groupName string) *Compute

ComputeForGroup finds the most specific VM compute requirements for this process group In reality there are only four valid cases:

  1. No [[vm]] section
  2. One [[vm]] section with `processes = [groupName]`
  3. Previous case plus global [[compute]] without processes
  4. Only a [[vm]] section without processes set which applies to all groups

func (*Config) ConfigFilePath 

func (c *Config) ConfigFilePath() string

func (*Config) DefaultProcessName added in v0.0.489 

func (c *Config) DefaultProcessName() string

DefaultProcessName returns: * "app" when no processes are defined * "app" if present in the processes map * The first process name in ascending lexicographical order

func (*Config) DeployStrategy added in v0.2.61 

func (cfg *Config) DeployStrategy() string

func (*Config) DockerBuildTarget 

func (c *Config) DockerBuildTarget() string

func (*Config) Dockerfile 

func (c *Config) Dockerfile() string

func (*Config) Flatten added in v0.0.514 

func (c *Config) Flatten(groupName string) (*Config, error)

Flatten generates a machine config specific to a process_group.

Only services, mounts, checks, metrics, files and restarts specific to the provided process group will be in the returned config.

func (*Config) FormatProcessNames added in v0.0.509 

func (c *Config) FormatProcessNames() string

FormatProcessNames formats the process group list like `['foo', 'bar']`

func (*Config) HasNonHttpAndHttpsStandardServices 

func (c *Config) HasNonHttpAndHttpsStandardServices() bool

func (*Config) HasUdpService 

func (c *Config) HasUdpService() bool

func (*Config) Ignorefile 

func (c *Config) Ignorefile() string

func (*Config) InitCmd added in v0.0.514 

func (c *Config) InitCmd(groupName string) ([]string, error)

func (*Config) InternalPort added in v0.0.500 

func (c *Config) InternalPort() int

func (*Config) IsUsingGPU added in v0.2.23 

func (c *Config) IsUsingGPU() bool

IsUsingGPU returns true if any VMs have a gpu-kind set.

func (*Config) MarshalAsTOML added in v0.2.57 

func (c *Config) MarshalAsTOML() ([]byte, error)

MarshalAsTOML serializes the configuration to TOML format

func (*Config) MarshalAsYAML added in v0.2.57 

func (c *Config) MarshalAsYAML() ([]byte, error)

MarshalAsYAML first marshals the config to JSON and then converts it to YAML this is done to pick up the json: struct tags; fortunately, we write YAML infrequently, and only on explicit user request

func (*Config) MarshalJSON added in v0.0.508 

func (c *Config) MarshalJSON() ([]byte, error)

MarshalJSON implements the json.Marshaler interface

func (*Config) MergeFiles added in v0.1.64 

func (cfg *Config) MergeFiles(files []*fly.File) error

MergeFiles merges the provided files with the files in the config wherein the provided files take precedence.

func (*Config) ProcessNames added in v0.0.509 

func (c *Config) ProcessNames() []string

ProcessNames lists each key of c.Processes, sorted lexicographically If c.Processes == nil, returns ["app"]

func (*Config) SetConcurrency 

func (c *Config) SetConcurrency(soft int, hard int)

func (*Config) SetConfigFilePath added in v0.0.540 

func (c *Config) SetConfigFilePath(configFilePath string)

func (*Config) SetDockerCommand 

func (c *Config) SetDockerCommand(cmd string)

func (*Config) SetDockerEntrypoint 

func (c *Config) SetDockerEntrypoint(entrypoint string)

func (*Config) SetEnvVariable 

func (c *Config) SetEnvVariable(name, value string)

func (*Config) SetEnvVariables 

func (c *Config) SetEnvVariables(vals map[string]string)

func (*Config) SetHttpCheck 

func (c *Config) SetHttpCheck(path string, headers map[string]string)

func (*Config) SetInternalPort 

func (c *Config) SetInternalPort(port int)

func (*Config) SetKillSignal 

func (c *Config) SetKillSignal(signal string)

func (*Config) SetMachinesPlatform 

func (c *Config) SetMachinesPlatform() error

SetMachinesPlatform informs the TOML marshaller that this config is for the machines platform

func (*Config) SetMounts added in v0.0.522 

func (c *Config) SetMounts(volumes []Mount)

func (*Config) SetProcess 

func (c *Config) SetProcess(name, value string)

func (*Config) SetReleaseCommand 

func (c *Config) SetReleaseCommand(cmd string)

func (*Config) SetStatics 

func (c *Config) SetStatics(statics []Static)

func (*Config) ToConsoleMachineConfig added in v0.0.557 

func (c *Config) ToConsoleMachineConfig() (*fly.MachineConfig, error)

func (*Config) ToDefinition 

func (c *Config) ToDefinition() (*fly.Definition, error)

func (*Config) ToMachineConfig added in v0.0.510 

func (c *Config) ToMachineConfig(processGroup string, src *fly.MachineConfig) (*fly.MachineConfig, error)

func (*Config) ToReleaseMachineConfig added in v0.0.510 

func (c *Config) ToReleaseMachineConfig() (*fly.MachineConfig, error)

func (*Config) ToTestMachineConfig added in v0.2.55 

func (c *Config) ToTestMachineConfig(svc *ServiceMachineCheck, origMachine *fly.Machine) (*fly.MachineConfig, error)

func (*Config) URL added in v0.0.533 

func (cfg *Config) URL() *url.URL

func (*Config) Validate 

func (cfg *Config) Validate(ctx context.Context) (err error, extra_info string)

func (*Config) ValidateGroups added in v0.1.120 

func (cfg *Config) ValidateGroups(ctx context.Context, groups []string) (err error, extraInfo string)

func (*Config) WriteTo added in v0.0.508 

func (c *Config) WriteTo(w io.Writer, format string) (int64, error)

func (*Config) WriteToDisk 

func (c *Config) WriteToDisk(ctx context.Context, path string) (err error)

func (*Config) WriteToFile 

func (c *Config) WriteToFile(filename string) (err error)

type Deploy 

type Deploy struct {
	ReleaseCommand        string        `toml:"release_command,omitempty" json:"release_command,omitempty"`
	ReleaseCommandTimeout *fly.Duration `toml:"release_command_timeout,omitempty" json:"release_command_timeout,omitempty"`
	Strategy              string        `toml:"strategy,omitempty" json:"strategy,omitempty"`
	MaxUnavailable        *float64      `toml:"max_unavailable,omitempty" json:"max_unavailable,omitempty"`
	WaitTimeout           *fly.Duration `toml:"wait_timeout,omitempty" json:"wait_timeout,omitempty"`
}

type Experimental 

type Experimental struct {
	Cmd            []string `toml:"cmd,omitempty" json:"cmd,omitempty"`
	Entrypoint     []string `toml:"entrypoint,omitempty" json:"entrypoint,omitempty"`
	Exec           []string `toml:"exec,omitempty" json:"exec,omitempty"`
	AutoRollback   bool     `toml:"auto_rollback,omitempty" json:"auto_rollback,omitempty"`
	EnableConsul   bool     `toml:"enable_consul,omitempty" json:"enable_consul,omitempty"`
	EnableEtcd     bool     `toml:"enable_etcd,omitempty" json:"enable_etcd,omitempty"`
	LazyLoadImages bool     `toml:"lazy_load_images,omitempty" json:"lazy_load_images,omitempty"`
}

type File added in v0.1.64 

type File struct {
	GuestPath  string   `toml:"guest_path,omitempty" json:"guest_path,omitempty" validate:"required"`
	LocalPath  string   `toml:"local_path,omitempty" json:"local_path,omitempty"`
	SecretName string   `toml:"secret_name,omitempty" json:"secret_name,omitempty"`
	RawValue   string   `toml:"raw_value,omitempty" json:"raw_value,omitempty"`
	Processes  []string `json:"processes,omitempty" toml:"processes,omitempty"`
}

type HTTPService 

type HTTPService struct {
	InternalPort int  `json:"internal_port,omitempty" toml:"internal_port,omitempty" validate:"required,numeric"`
	ForceHTTPS   bool `toml:"force_https,omitempty" json:"force_https,omitempty"`
	// AutoStopMachines and AutoStartMachines should not have omitempty for TOML; see the note in Service.
	AutoStopMachines   *fly.MachineAutostop           `json:"auto_stop_machines,omitempty" toml:"auto_stop_machines"`
	AutoStartMachines  *bool                          `json:"auto_start_machines,omitempty" toml:"auto_start_machines"`
	MinMachinesRunning *int                           `json:"min_machines_running,omitempty" toml:"min_machines_running,omitempty"`
	Processes          []string                       `json:"processes,omitempty" toml:"processes,omitempty"`
	Concurrency        *fly.MachineServiceConcurrency `toml:"concurrency,omitempty" json:"concurrency,omitempty"`
	TLSOptions         *fly.TLSOptions                `json:"tls_options,omitempty" toml:"tls_options,omitempty"`
	HTTPOptions        *fly.HTTPOptions               `json:"http_options,omitempty" toml:"http_options,omitempty"`
	HTTPChecks         []*ServiceHTTPCheck            `json:"checks,omitempty" toml:"checks,omitempty"`
	MachineChecks      []*ServiceMachineCheck         `json:"machine_checks,omitempty" toml:"machine_checks,omitempty"`
}

func (*HTTPService) ToService added in v0.0.514 

func (s *HTTPService) ToService() *Service

type Metrics added in v0.1.93 

type Metrics struct {
	*fly.MachineMetrics
	Processes []string `json:"processes,omitempty" toml:"processes,omitempty"`
}

type Mount added in v0.0.522 

type Mount struct {
	Source                  string   `toml:"source,omitempty" json:"source,omitempty"`
	Destination             string   `toml:"destination,omitempty" json:"destination,omitempty"`
	InitialSize             string   `toml:"initial_size,omitempty" json:"initial_size,omitempty"`
	SnapshotRetention       *int     `toml:"snapshot_retention,omitempty" json:"snapshot_retention,omitempty"`
	AutoExtendSizeThreshold int      `toml:"auto_extend_size_threshold,omitempty" json:"auto_extend_size_threshold,omitempty"`
	AutoExtendSizeIncrement string   `toml:"auto_extend_size_increment,omitempty" json:"auto_extend_size_increment,omitempty"`
	AutoExtendSizeLimit     string   `toml:"auto_extend_size_limit,omitempty" json:"auto_extend_size_limit,omitempty"`
	Processes               []string `toml:"processes,omitempty" json:"processes,omitempty"`
}

type Restart added in v0.2.28 

type Restart struct {
	Policy     RestartPolicy `toml:"policy,omitempty" json:"policy,omitempty"`
	MaxRetries int           `toml:"retries,omitempty" json:"retries,omitempty"`
	Processes  []string      `json:"processes,omitempty" toml:"processes,omitempty"`
}

type RestartPolicy added in v0.2.28 

type RestartPolicy string
const (
	RestartPolicyAlways    RestartPolicy = "always"
	RestartPolicyNever     RestartPolicy = "never"
	RestartPolicyOnFailure RestartPolicy = "on-failure"
)

type Service 

type Service struct {
	Protocol     string `json:"protocol,omitempty" toml:"protocol"`
	InternalPort int    `json:"internal_port,omitempty" toml:"internal_port"`
	// AutoStopMachines and AutoStartMachines should not have omitempty for TOML. The encoder
	// already omits nil since it can't be represented, and omitempty makes it omit false as well.
	AutoStopMachines   *fly.MachineAutostop           `json:"auto_stop_machines,omitempty" toml:"auto_stop_machines"`
	AutoStartMachines  *bool                          `json:"auto_start_machines,omitempty" toml:"auto_start_machines"`
	MinMachinesRunning *int                           `json:"min_machines_running,omitempty" toml:"min_machines_running,omitempty"`
	Ports              []fly.MachinePort              `json:"ports,omitempty" toml:"ports"`
	Concurrency        *fly.MachineServiceConcurrency `json:"concurrency,omitempty" toml:"concurrency"`
	TCPChecks          []*ServiceTCPCheck             `json:"tcp_checks,omitempty" toml:"tcp_checks,omitempty"`
	HTTPChecks         []*ServiceHTTPCheck            `json:"http_checks,omitempty" toml:"http_checks,omitempty"`
	MachineChecks      []*ServiceMachineCheck         `json:"machine_checks,omitempty" toml:"machine_checks,omitempty"`
	Processes          []string                       `json:"processes,omitempty" toml:"processes,omitempty"`
}

type ServiceHTTPCheck 

type ServiceHTTPCheck struct {
	Interval    *fly.Duration `json:"interval,omitempty" toml:"interval,omitempty"`
	Timeout     *fly.Duration `json:"timeout,omitempty" toml:"timeout,omitempty"`
	GracePeriod *fly.Duration `toml:"grace_period,omitempty" json:"grace_period,omitempty"`

	// HTTP Specifics
	HTTPMethod        *string           `json:"method,omitempty" toml:"method,omitempty"`
	HTTPPath          *string           `json:"path,omitempty" toml:"path,omitempty"`
	HTTPProtocol      *string           `json:"protocol,omitempty" toml:"protocol,omitempty"`
	HTTPTLSSkipVerify *bool             `json:"tls_skip_verify,omitempty" toml:"tls_skip_verify,omitempty"`
	HTTPTLSServerName *string           `json:"tls_server_name,omitempty" toml:"tls_server_name,omitempty"`
	HTTPHeaders       map[string]string `json:"headers,omitempty" toml:"headers,omitempty"`
}

func (*ServiceHTTPCheck) String 

func (chk *ServiceHTTPCheck) String(port int) string

type ServiceMachineCheck added in v0.2.55 

type ServiceMachineCheck struct {
	Command     []string      `json:"command,omitempty" toml:"command,omitempty"`
	Image       string        `json:"image,omitempty" toml:"image,omitempty"`
	Entrypoint  []string      `json:"entrypoint,omitempty" toml:"entrypoint,omitempty"`
	KillSignal  *string       `json:"kill_signal,omitempty" toml:"kill_signal,omitempty"`
	KillTimeout *fly.Duration `json:"kill_timeout,omitempty" toml:"kill_timeout,omitempty"`
}

type ServiceTCPCheck 

type ServiceTCPCheck struct {
	Interval    *fly.Duration `json:"interval,omitempty" toml:"interval,omitempty"`
	Timeout     *fly.Duration `json:"timeout,omitempty" toml:"timeout,omitempty"`
	GracePeriod *fly.Duration `toml:"grace_period,omitempty" json:"grace_period,omitempty"`
}

func (*ServiceTCPCheck) String 

func (chk *ServiceTCPCheck) String(port int) string

type Static 

type Static struct {
	GuestPath     string `toml:"guest_path" json:"guest_path,omitempty" validate:"required"`
	UrlPrefix     string `toml:"url_prefix" json:"url_prefix,omitempty" validate:"required"`
	TigrisBucket  string `toml:"tigris_bucket,omitempty" json:"tigris_bucket"`
	IndexDocument string `toml:"index_document,omitempty" json:"index_document,omitempty"`
}

type TestMachineConfigErr added in v0.2.55 

type TestMachineConfigErr int
const (
	MissingCommand TestMachineConfigErr = iota
	MissingImage
)

func (TestMachineConfigErr) Error added in v0.2.55 

func (e TestMachineConfigErr) Error() string

func (TestMachineConfigErr) Suggestion added in v0.2.55 

func (e TestMachineConfigErr) Suggestion() string

type ToplevelCheck 

type ToplevelCheck struct {
	Port              *int              `json:"port,omitempty" toml:"port,omitempty"`
	Type              *string           `json:"type,omitempty" toml:"type,omitempty"`
	Interval          *fly.Duration     `json:"interval,omitempty" toml:"interval,omitempty"`
	Timeout           *fly.Duration     `json:"timeout,omitempty" toml:"timeout,omitempty"`
	GracePeriod       *fly.Duration     `json:"grace_period,omitempty" toml:"grace_period,omitempty"`
	HTTPMethod        *string           `json:"method,omitempty" toml:"method,omitempty"`
	HTTPPath          *string           `json:"path,omitempty" toml:"path,omitempty"`
	HTTPProtocol      *string           `json:"protocol,omitempty" toml:"protocol,omitempty"`
	HTTPTLSSkipVerify *bool             `json:"tls_skip_verify,omitempty" toml:"tls_skip_verify,omitempty"`
	HTTPTLSServerName *string           `json:"tls_server_name,omitempty" toml:"tls_server_name,omitempty"`
	HTTPHeaders       map[string]string `json:"headers,omitempty" toml:"headers,omitempty"`
	Processes         []string          `json:"processes,omitempty" toml:"processes,omitempty"`
}

func (*ToplevelCheck) String 

func (chk *ToplevelCheck) String() string

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