config

package
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 Go to latest Published: Aug 19, 2016 License: Apache-2.0 Imports: 26 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var DirsToLookForWebAssets = []string{
	"/usr/local/share/teleport",
	"/usr/share/teleport",
	"/opt/teleport",
}

DirsToLookForWebAssets defines the locations where teleport proxy looks for its web assets

Functions

func ApplyFileConfig 

func ApplyFileConfig(fc *FileConfig, cfg *service.Config) error

ApplyFileConfig applies confniguration from a YAML file to Teleport runtime config

func Configure 

func Configure(clf *CommandLineFlags, cfg *service.Config) error

Configure merges command line arguments with what's in a configuration file with CLI commands taking precedence

func LocateWebAssets 

func LocateWebAssets() (string, error)

LocateWebAssets locates the web assets required for the Proxy to start. Retursn the full path to web assets directory

Types

type Auth 

type Auth struct {
	Service `yaml:",inline"`
	// DomainName is the name of the CA who manages this cluster
	DomainName string `yaml:"cluster_name,omitempty"`

	// TrustedClustersFile is a file path to a file containing public CA keys
	// of clusters we trust. One key per line, those starting with '#' are comments
	TrustedClusters []TrustedCluster `yaml:"trusted_clusters,omitempty"`

	// FOR INTERNAL USE:
	// Authorities : 3rd party certificate authorities (CAs) this auth service trusts.
	Authorities []Authority `yaml:"authorities,omitempty"`

	// FOR INTERNAL USE:
	// ReverseTunnels is a list of SSH tunnels to 3rd party proxy services (used to talk
	// to 3rd party auth servers we trust)
	ReverseTunnels []ReverseTunnel `yaml:"reverse_tunnels,omitempty"`

	// OIDCConnectors is a list of trusted OpenID Connect Identity providers
	OIDCConnectors []OIDCConnector `yaml:"oidc_connectors"`

	// StaticTokens are pre-defined host provisioning tokens supplied via config file for
	// environments where paranoid security is not needed
	//
	// Each token string has the following format: "role1,role2,..:token",
	// for exmple: "auth,proxy,node:MTIzNGlvemRmOWE4MjNoaQo"
	StaticTokens []StaticToken `yaml:"tokens,omitempty"`
}

Auth is 'auth_service' section of the config file

type Authority 

type Authority struct {
	// Type is either user or host certificate authority
	Type services.CertAuthType `yaml:"type"`
	// DomainName identifies domain name this authority serves,
	// for host authorities that means base hostname of all servers,
	// for user authorities that means organization name
	DomainName string `yaml:"domain_name"`
	// Checkers is a list of SSH public keys that can be used to check
	// certificate signatures in OpenSSH authorized keys format
	CheckingKeys []string `yaml:"checking_keys"`
	// CheckingKeyFiles is a list of files
	CheckingKeyFiles []string `yaml:"checking_key_files"`
	// SigningKeys is a list of PEM-encoded private keys used for signing
	SigningKeys []string `yaml:"signing_keys"`
	// SigningKeyFiles is a list of paths to PEM encoded private keys used for signing
	SigningKeyFiles []string `yaml:"signing_key_files"`
	// AllowedLogins is a list of allowed logins for users within
	// this certificate authority
	AllowedLogins []string `yaml:"allowed_logins"`
}

Authority is a host or user certificate authority that can check and if it has private key stored as well, sign it too

func (*Authority) Parse 

func (a *Authority) Parse() (*services.CertAuthority, error)

Parse reads values and returns parsed CertAuthority

type CommandLabel 

type CommandLabel struct {
	Name    string        `yaml:"name"`
	Command []string      `yaml:"command,flow"`
	Period  time.Duration `yaml:"period"`
}

CommandLabel is `command` section of `ssh_service` in the config file

type CommandLineFlags 

type CommandLineFlags struct {
	// --name flag
	NodeName string
	// --auth-server flag
	AuthServerAddr string
	// --token flag
	AuthToken string
	// --listen-ip flag
	ListenIP net.IP
	// --advertise-ip flag
	AdvertiseIP net.IP
	// --config flag
	ConfigFile string
	// ConfigString is a base64 encoded configuration string
	// set by --config-string or TELEPORT_CONFIG environment variable
	ConfigString string
	// --roles flag
	Roles string
	// -d flag
	Debug bool
	// --labels flag
	Labels string
	// --httpprofile hidden flag
	HTTPProfileEndpoint bool
	// --pid-file flag
	PIDFile string
}

CommandLineFlags stores command line flag values, it's a much simplified subset of Teleport configuration (which is fully expressed via YAML config file)

type ConnectionLimits 

type ConnectionLimits struct {
	MaxConnections int64            `yaml:"max_connections"`
	MaxUsers       int              `yaml:"max_users"`
	Rates          []ConnectionRate `yaml:"rates,omitempty"`
}

ConnectionLimits sets up connection limiter

type ConnectionRate 

type ConnectionRate struct {
	Period  time.Duration `yaml:"period"`
	Average int64         `yaml:"average"`
	Burst   int64         `yaml:"burst"`
}

ConnectionRate configures rate limiter

type FileConfig 

type FileConfig struct {
	Global `yaml:"teleport,omitempty"`
	Auth   Auth  `yaml:"auth_service,omitempty"`
	SSH    SSH   `yaml:"ssh_service,omitempty"`
	Proxy  Proxy `yaml:"proxy_service,omitempty"`
}

FileConfig structre represents the teleport configuration stored in a config file in YAML format (usually /etc/teleport.yaml)

Use config.ReadFromFile() to read the parsed FileConfig from a YAML file.

func MakeAuthPeerFileConfig 

func MakeAuthPeerFileConfig(domainName string, token string) (fc *FileConfig)

MakeAuthPeerFileConfig returns a sample configuration for auth server peer that shares etcd backend

func MakeSampleFileConfig 

func MakeSampleFileConfig() (fc *FileConfig)

MakeSampleFileConfig returns a sample config structure populated by defaults, useful to generate sample configuration files

func ReadConfig 

func ReadConfig(reader io.Reader) (*FileConfig, error)

ReadConfig reads Teleport configuration from reader in YAML format

func ReadConfigFile 

func ReadConfigFile(cliConfigPath string) (*FileConfig, error)

readConfigFile reads /etc/teleport.yaml (or whatever is passed via --config flag) and overrides values in 'cfg' structure

func ReadFromFile 

func ReadFromFile(filePath string) (*FileConfig, error)

ReadFromFile reads Teleport configuration from a file. Currently only YAML format is supported

func ReadFromString 

func ReadFromString(configString string) (*FileConfig, error)

ReadFromString reads values from base64 encoded byte string

func (*FileConfig) DebugDumpToYAML 

func (conf *FileConfig) DebugDumpToYAML() string

DebugDumpToYAML allows for quick YAML dumping of the config

type Global 

type Global struct {
	NodeName    string           `yaml:"nodename,omitempty"`
	PIDFile     string           `yaml:"pid_file,omitempty"`
	AuthToken   string           `yaml:"auth_token,omitempty"`
	AuthServers []string         `yaml:"auth_servers,omitempty"`
	Limits      ConnectionLimits `yaml:"connection_limits,omitempty"`
	Logger      Log              `yaml:"log,omitempty"`
	Storage     StorageBackend   `yaml:"storage,omitempty"`
	AdvertiseIP net.IP           `yaml:"advertise_ip,omitempty"`
	DataDir     string           `yaml:"data_dir,omitempty"`

	// Keys holds the list of SSH key/cert pairs used by all services
	// Each service (like proxy, auth, node) can find the key it needs
	// by looking into certificate
	Keys []KeyPair `yaml:"keys,omitempty"`

	// SeedConfig [GRAVITATIONAL USE] when set to true, Teleport treats
	// its configuration file simply as a seed data on initial start-up.
	// For OSS Teleport it should always be 'false' by default.
	SeedConfig bool `yaml:"seed_config,omitempty"`
}

Global is 'teleport' (global) section of the config file

type KeyPair 

type KeyPair struct {
	// PrivateKeyFile is a path to file with private key
	PrivateKeyFile string `yaml:"private_key_file"`
	// CertFile is a path to file with OpenSSH certificate
	CertFile string `yaml:"cert_file"`
	// PrivateKey is PEM encoded OpenSSH private key
	PrivateKey string `yaml:"private_key"`
	// Cert is certificate in OpenSSH authorized keys format
	Cert string `yaml:"cert"`
}

KeyPair is a pair of private key and certificates

func (*KeyPair) Identity 

func (k *KeyPair) Identity() (*auth.Identity, error)

Identity parses keypair into auth server identity

type Log 

type Log struct {
	// Output defines where logs go. It can be one of the following: "stderr", "stdout" or
	// a path to a log file
	Output string `yaml:"output,omitempty"`
	// Severity defines how verbose the log will be. Possible valus are "error", "info", "warn"
	Severity string `yaml:"severity,omitempty"`
}

Log configures teleport logging

type OIDCConnector 

type OIDCConnector struct {
	// ID is a provider id, 'e.g.' google, used internally
	ID string `yaml:"id"`
	// Issuer URL is the endpoint of the provider, e.g. https://accounts.google.com
	IssuerURL string `yaml:"issuer_url"`
	// ClientID is id for authentication client (in our case it's our Auth server)
	ClientID string `yaml:"client_id"`
	// ClientSecret is used to authenticate our client and should not
	// be visible to end user
	ClientSecret string `yaml:"client_secret"`
	// RedirectURL - Identity provider will use this URL to redirect
	// client's browser back to it after successfull authentication
	// Should match the URL on Provider's side
	RedirectURL string `yaml:"redirect_url"`
}

OIDCConnector specifies configuration fo Open ID Connect compatible external identity provider, e.g. google in some organisation

func (*OIDCConnector) Parse 

func (o *OIDCConnector) Parse() (*services.OIDCConnector, error)

Parse parses config struct into services connector and checks if it's valid

type Proxy 

type Proxy struct {
	Service  `yaml:",inline"`
	WebAddr  string `yaml:"web_listen_addr,omitempty"`
	TunAddr  string `yaml:"tunnel_listen_addr,omitempty"`
	KeyFile  string `yaml:"https_key_file,omitempty"`
	CertFile string `yaml:"https_cert_file,omitempty"`
}

Proxy is `proxy_service` section of the config file:

type ReverseTunnel 

type ReverseTunnel struct {
	DomainName string   `yaml:"domain_name"`
	Addresses  []string `yaml:"addresses"`
}

ReverseTunnel is a SSH reverse tunnel mantained by one cluster's proxy to remote Teleport proxy

func (*ReverseTunnel) ConvertAndValidate 

func (t *ReverseTunnel) ConvertAndValidate() (*services.ReverseTunnel, error)

ConvertAndValidate returns validated services.ReverseTunnel or nil and error otherwize

type SSH 

type SSH struct {
	Service  `yaml:",inline"`
	Labels   map[string]string `yaml:"labels,omitempty"`
	Commands []CommandLabel    `yaml:"commands,omitempty"`
}

SSH is 'ssh_service' section of the config file

type Service 

type Service struct {
	EnabledFlag   string `yaml:"enabled,omitempty"`
	ListenAddress string `yaml:"listen_addr,omitempty"`
}

Service is a common configuration of a teleport service

func (*Service) Configured 

func (s *Service) Configured() bool

Configured determines if a given "_service" section has been specified

func (*Service) Disabled 

func (s *Service) Disabled() bool

Disabled returns 'true' if the service has been deliverately turned off

func (*Service) Enabled 

func (s *Service) Enabled() bool

Enabled determines if a given "_service" section has been set to 'true'

type StaticToken 

type StaticToken string

func (StaticToken) Parse 

func (t StaticToken) Parse() (roles teleport.Roles, token string, err error)

Parse() is applied to a string in "role,role,role:token" format. It breaks it apart into a slice of roles, token and optional error

type StorageBackend 

type StorageBackend struct {
	// Type can be "bolt" or "etcd"
	Type string `yaml:"type,omitempty"`
	// Peers is a lsit of etcd peers,  valid only for etcd
	Peers []string `yaml:"peers,omitempty"`
	// Prefix is etcd key prefix, valid only for etcd
	Prefix string `yaml:"prefix,omitempty"`
	// TLSCertFile is a tls client cert file, used for etcd
	TLSCertFile string `yaml:"tls_cert_file,omitempty"`
	// TLSKeyFile is a file with TLS private key for client auth
	TLSKeyFile string `yaml:"tls_key_file,omitempty"`
	// TLSCAFile is a tls client trusted CA file, used for etcd
	TLSCAFile string `yaml:"tls_ca_file,omitempty"`
}

StorageBackend is used for 'storage' config section. stores values for 'boltdb' and 'etcd'

type TrustedCluster 

type TrustedCluster struct {
	// KeyFile is a path to a remote authority (AKA "trusted cluster") public keys
	KeyFile string `yaml:"key_file,omitempty"`
	// AllowedLogins is a comma-separated list of user logins allowed from that cluster
	AllowedLogins string `yaml:"allow_logins,omitempty"`
	// TunnelAddr is a comma-separated list of reverse tunnel addressess to
	// connect to
	TunnelAddr string `yaml:"tunnel_addr,omitempty"`
}

TrustedCluster struct holds configuration values under "trusted_clusters" key

type YAMLMap 

type YAMLMap map[interface{}]interface{}

Source Files

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