configutil

package
v1.9.5 Latest Latest
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 Go to latest Published: Apr 19, 2022 License: MPL-2.0 Imports: 45 Imported by: 25

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Index

Constants

View Source 
const (
	PrometheusDefaultRetentionTime    = 24 * time.Hour
	UsageGaugeDefaultPeriod           = 10 * time.Minute
	MaximumGaugeCardinalityDefault    = 500
	LeaseMetricsEpsilonDefault        = time.Hour
	NumLeaseMetricsTimeBucketsDefault = 168
)
View Source 
const StrictTransportSecurity = "max-age=31536000; includeSubDomains"

Variables

View Source 
var (
	ConfigureWrapper             = configureWrapper
	CreateSecureRandomReaderFunc = createSecureRandomReader
)
View Source 
var GetAWSKMSFunc = func(opts *wrapping.WrapperOptions, kms *KMS) (wrapping.Wrapper, map[string]string, error) {
	wrapper := awskms.NewWrapper(opts)
	wrapperInfo, err := wrapper.SetConfig(kms.Config)
	if err != nil {

		if !errwrap.ContainsType(err, new(logical.KeyNotFoundError)) {
			return nil, nil, err
		}
	}
	info := make(map[string]string)
	if wrapperInfo != nil {
		info["AWS KMS Region"] = wrapperInfo["region"]
		info["AWS KMS KeyID"] = wrapperInfo["kms_key_id"]
		if endpoint, ok := wrapperInfo["endpoint"]; ok {
			info["AWS KMS Endpoint"] = endpoint
		}
	}
	return wrapper, info, nil
}
View Source 
var GetTransitKMSFunc = func(opts *wrapping.WrapperOptions, kms *KMS) (wrapping.Wrapper, map[string]string, error) {
	wrapper := transit.NewWrapper(opts)
	wrapperInfo, err := wrapper.SetConfig(kms.Config)
	if err != nil {

		if !errwrap.ContainsType(err, new(logical.KeyNotFoundError)) {
			return nil, nil, err
		}
	}
	info := make(map[string]string)
	if wrapperInfo != nil {
		info["Transit Address"] = wrapperInfo["address"]
		info["Transit Mount Path"] = wrapperInfo["mount_path"]
		info["Transit Key Name"] = wrapperInfo["key_name"]
		if namespace, ok := wrapperInfo["namespace"]; ok {
			info["Transit Namespace"] = namespace
		}
	}
	return wrapper, info, nil
}
View Source 
var ValidCustomStatusCodeCollection = []string{
	"default",
	"1xx",
	"2xx",
	"3xx",
	"4xx",
	"5xx",
}

Functions

func EncryptDecrypt 

func EncryptDecrypt(rawStr string, decrypt, strip bool, wrapper wrapping.Wrapper) (string, error)

func GetAEADKMSFunc 

func GetAEADKMSFunc(opts *wrapping.WrapperOptions, kms *KMS) (wrapping.Wrapper, map[string]string, error)

func GetAliCloudKMSFunc 

func GetAliCloudKMSFunc(opts *wrapping.WrapperOptions, kms *KMS) (wrapping.Wrapper, map[string]string, error)

func GetAzureKeyVaultKMSFunc 

func GetAzureKeyVaultKMSFunc(opts *wrapping.WrapperOptions, kms *KMS) (wrapping.Wrapper, map[string]string, error)

func GetGCPCKMSKMSFunc 

func GetGCPCKMSKMSFunc(opts *wrapping.WrapperOptions, kms *KMS) (wrapping.Wrapper, map[string]string, error)

func GetOCIKMSKMSFunc 

func GetOCIKMSKMSFunc(opts *wrapping.WrapperOptions, kms *KMS) (wrapping.Wrapper, map[string]string, error)

func IsValidStatusCode added in v1.9.0 

func IsValidStatusCode(sc string) bool

IsValidStatusCode checking for status codes outside the boundary

func ParseCustomResponseHeaders added in v1.9.0 

func ParseCustomResponseHeaders(responseHeaders interface{}) (map[string]map[string]string, error)

ParseCustomResponseHeaders takes a raw config values for the "custom_response_headers". It makes sure the config entry is passed in as a map of status code to a map of header name and header values. It verifies the validity of the status codes, and header values. It also adds the default headers values.

func ParseEntropy 

func ParseEntropy(result *SharedConfig, list *ast.ObjectList, blockName string) error

func ParseListeners 

func ParseListeners(result *SharedConfig, list *ast.ObjectList) error

func ParseSingleIPTemplate added in v1.9.0 

func ParseSingleIPTemplate(ipTmpl string) (string, error)

ParseSingleIPTemplate is used as a helper function to parse out a single IP address from a config parameter.

func SetupTelemetry 

func SetupTelemetry(opts *SetupTelemetryOpts) (*metrics.InmemSink, *metricsutil.ClusterMetricSink, bool, error)

SetupTelemetry is used to setup the telemetry sub-systems and returns the in-memory sink to be used in http configuration

Types

type ConfigError added in v1.8.0 

type ConfigError struct {
	Problem  string
	Position token.Pos
}

func ValidateUnusedFields added in v1.8.0 

func ValidateUnusedFields(unusedKeyPositions UnusedKeyMap, sourceFilePath string) []ConfigError

Creates the ConfigErrors for unused fields, which occur in various structs

func (*ConfigError) String added in v1.8.0 

func (c *ConfigError) String() string

type EntSharedConfig 

type EntSharedConfig struct{}

func (*EntSharedConfig) ParseConfig 

func (ec *EntSharedConfig) ParseConfig(list *ast.ObjectList) error

type Entropy 

type Entropy struct {
	Mode EntropyMode
}

type EntropyMode 

type EntropyMode int

Entropy contains Entropy configuration for the server 

const (
	EntropyUnknown EntropyMode = iota
	EntropyAugmentation
)

type KMS 

type KMS struct {
	UnusedKeys []string `hcl:",unusedKeys"`
	Type       string
	// Purpose can be used to allow a string-based specification of what this
	// KMS is designated for, in situations where we want to allow more than
	// one KMS to be specified
	Purpose []string `hcl:"-"`

	Disabled bool
	Config   map[string]string
}

KMS contains KMS configuration for the server

func LoadConfigKMSes 

func LoadConfigKMSes(path string) ([]*KMS, error)

func ParseKMSes 

func ParseKMSes(d string) ([]*KMS, error)

func (*KMS) GoString 

func (k *KMS) GoString() string

type Listener 

type Listener struct {
	UnusedKeys UnusedKeyMap `hcl:",unusedKeyPositions"`
	RawConfig  map[string]interface{}

	Type       string
	Purpose    []string    `hcl:"-"`
	PurposeRaw interface{} `hcl:"purpose"`

	Address                 string        `hcl:"address"`
	ClusterAddress          string        `hcl:"cluster_address"`
	MaxRequestSize          int64         `hcl:"-"`
	MaxRequestSizeRaw       interface{}   `hcl:"max_request_size"`
	MaxRequestDuration      time.Duration `hcl:"-"`
	MaxRequestDurationRaw   interface{}   `hcl:"max_request_duration"`
	RequireRequestHeader    bool          `hcl:"-"`
	RequireRequestHeaderRaw interface{}   `hcl:"require_request_header"`

	TLSDisable                       bool        `hcl:"-"`
	TLSDisableRaw                    interface{} `hcl:"tls_disable"`
	TLSCertFile                      string      `hcl:"tls_cert_file"`
	TLSKeyFile                       string      `hcl:"tls_key_file"`
	TLSMinVersion                    string      `hcl:"tls_min_version"`
	TLSMaxVersion                    string      `hcl:"tls_max_version"`
	TLSCipherSuites                  []uint16    `hcl:"-"`
	TLSCipherSuitesRaw               string      `hcl:"tls_cipher_suites"`
	TLSPreferServerCipherSuites      bool        `hcl:"-"`
	TLSPreferServerCipherSuitesRaw   interface{} `hcl:"tls_prefer_server_cipher_suites"`
	TLSRequireAndVerifyClientCert    bool        `hcl:"-"`
	TLSRequireAndVerifyClientCertRaw interface{} `hcl:"tls_require_and_verify_client_cert"`
	TLSClientCAFile                  string      `hcl:"tls_client_ca_file"`
	TLSDisableClientCerts            bool        `hcl:"-"`
	TLSDisableClientCertsRaw         interface{} `hcl:"tls_disable_client_certs"`

	HTTPReadTimeout          time.Duration `hcl:"-"`
	HTTPReadTimeoutRaw       interface{}   `hcl:"http_read_timeout"`
	HTTPReadHeaderTimeout    time.Duration `hcl:"-"`
	HTTPReadHeaderTimeoutRaw interface{}   `hcl:"http_read_header_timeout"`
	HTTPWriteTimeout         time.Duration `hcl:"-"`
	HTTPWriteTimeoutRaw      interface{}   `hcl:"http_write_timeout"`
	HTTPIdleTimeout          time.Duration `hcl:"-"`
	HTTPIdleTimeoutRaw       interface{}   `hcl:"http_idle_timeout"`

	ProxyProtocolBehavior           string                        `hcl:"proxy_protocol_behavior"`
	ProxyProtocolAuthorizedAddrs    []*sockaddr.SockAddrMarshaler `hcl:"-"`
	ProxyProtocolAuthorizedAddrsRaw interface{}                   `hcl:"proxy_protocol_authorized_addrs,alias:ProxyProtocolAuthorizedAddrs"`

	XForwardedForAuthorizedAddrs        []*sockaddr.SockAddrMarshaler `hcl:"-"`
	XForwardedForAuthorizedAddrsRaw     interface{}                   `hcl:"x_forwarded_for_authorized_addrs,alias:XForwardedForAuthorizedAddrs"`
	XForwardedForHopSkips               int64                         `hcl:"-"`
	XForwardedForHopSkipsRaw            interface{}                   `hcl:"x_forwarded_for_hop_skips,alias:XForwardedForHopSkips"`
	XForwardedForRejectNotPresent       bool                          `hcl:"-"`
	XForwardedForRejectNotPresentRaw    interface{}                   `hcl:"x_forwarded_for_reject_not_present,alias:XForwardedForRejectNotPresent"`
	XForwardedForRejectNotAuthorized    bool                          `hcl:"-"`
	XForwardedForRejectNotAuthorizedRaw interface{}                   `hcl:"x_forwarded_for_reject_not_authorized,alias:XForwardedForRejectNotAuthorized"`

	SocketMode  string `hcl:"socket_mode"`
	SocketUser  string `hcl:"socket_user"`
	SocketGroup string `hcl:"socket_group"`

	Telemetry ListenerTelemetry `hcl:"telemetry"`
	Profiling ListenerProfiling `hcl:"profiling"`

	// RandomPort is used only for some testing purposes
	RandomPort bool `hcl:"-"`

	CorsEnabledRaw        interface{} `hcl:"cors_enabled"`
	CorsEnabled           bool        `hcl:"-"`
	CorsAllowedOrigins    []string    `hcl:"cors_allowed_origins"`
	CorsAllowedHeaders    []string    `hcl:"-"`
	CorsAllowedHeadersRaw []string    `hcl:"cors_allowed_headers,alias:cors_allowed_headers"`

	// Custom Http response headers
	CustomResponseHeaders    map[string]map[string]string `hcl:"-"`
	CustomResponseHeadersRaw interface{}                  `hcl:"custom_response_headers"`
}

Listener is the listener configuration for the server.

func (*Listener) GoString 

func (l *Listener) GoString() string

func (*Listener) Validate added in v1.8.0 

func (l *Listener) Validate(path string) []ConfigError

type ListenerProfiling added in v1.6.4 

type ListenerProfiling struct {
	UnusedKeys                    UnusedKeyMap `hcl:",unusedKeyPositions"`
	UnauthenticatedPProfAccess    bool         `hcl:"-"`
	UnauthenticatedPProfAccessRaw interface{}  `hcl:"unauthenticated_pprof_access,alias:UnauthenticatedPProfAccessRaw"`
}

type ListenerTelemetry 

type ListenerTelemetry struct {
	UnusedKeys                      UnusedKeyMap `hcl:",unusedKeyPositions"`
	UnauthenticatedMetricsAccess    bool         `hcl:"-"`
	UnauthenticatedMetricsAccessRaw interface{}  `hcl:"unauthenticated_metrics_access,alias:UnauthenticatedMetricsAccess"`
}

type SetupTelemetryOpts 

type SetupTelemetryOpts struct {
	Config      *Telemetry
	Ui          cli.Ui
	ServiceName string
	DisplayName string
	UserAgent   string
	ClusterName string
}

type SharedConfig 

type SharedConfig struct {
	FoundKeys  []string     `hcl:",decodedFields"`
	UnusedKeys UnusedKeyMap `hcl:",unusedKeyPositions"`
	Sections   map[string][]token.Pos

	EntSharedConfig

	Listeners []*Listener `hcl:"-"`

	Seals   []*KMS   `hcl:"-"`
	Entropy *Entropy `hcl:"-"`

	DisableMlock    bool        `hcl:"-"`
	DisableMlockRaw interface{} `hcl:"disable_mlock"`

	Telemetry *Telemetry `hcl:"telemetry"`

	DefaultMaxRequestDuration    time.Duration `hcl:"-"`
	DefaultMaxRequestDurationRaw interface{}   `hcl:"default_max_request_duration"`

	// LogFormat specifies the log format. Valid values are "standard" and
	// "json". The values are case-insenstive. If no log format is specified,
	// then standard format will be used.
	LogFormat string `hcl:"log_format"`
	LogLevel  string `hcl:"log_level"`

	PidFile string `hcl:"pid_file"`

	ClusterName string `hcl:"cluster_name"`
}

SharedConfig contains some shared values

func LoadConfigFile 

func LoadConfigFile(path string) (*SharedConfig, error)

LoadConfigFile loads the configuration from the given file.

func ParseConfig 

func ParseConfig(d string) (*SharedConfig, error)

func (*SharedConfig) Merge 

func (c *SharedConfig) Merge(c2 *SharedConfig) *SharedConfig

func (*SharedConfig) Sanitized 

func (c *SharedConfig) Sanitized() map[string]interface{}

Sanitized returns a copy of the config with all values that are considered sensitive stripped. It also strips all `*Raw` values that are mainly used for parsing.

Specifically, the fields that this method strips are: - KMS.Config - Telemetry.CirconusAPIToken

type Telemetry 

type Telemetry struct {
	FoundKeys    []string     `hcl:",decodedFields"`
	UnusedKeys   UnusedKeyMap `hcl:",unusedKeyPositions"`
	StatsiteAddr string       `hcl:"statsite_address"`
	StatsdAddr   string       `hcl:"statsd_address"`

	DisableHostname     bool   `hcl:"disable_hostname"`
	EnableHostnameLabel bool   `hcl:"enable_hostname_label"`
	MetricsPrefix       string `hcl:"metrics_prefix"`
	UsageGaugePeriod    time.Duration
	UsageGaugePeriodRaw interface{} `hcl:"usage_gauge_period,alias:UsageGaugePeriod"`

	MaximumGaugeCardinality int `hcl:"maximum_gauge_cardinality"`

	// CirconusAPIToken is a valid API Token used to create/manage check. If provided,
	// metric management is enabled.
	// Default: none
	CirconusAPIToken string `hcl:"circonus_api_token"`
	// CirconusAPIApp is an app name associated with API token.
	// Default: "consul"
	CirconusAPIApp string `hcl:"circonus_api_app"`
	// CirconusAPIURL is the base URL to use for contacting the Circonus API.
	// Default: "https://api.circonus.com/v2"
	CirconusAPIURL string `hcl:"circonus_api_url"`
	// CirconusSubmissionInterval is the interval at which metrics are submitted to Circonus.
	// Default: 10s
	CirconusSubmissionInterval string `hcl:"circonus_submission_interval"`
	// CirconusCheckSubmissionURL is the check.config.submission_url field from a
	// previously created HTTPTRAP check.
	// Default: none
	CirconusCheckSubmissionURL string `hcl:"circonus_submission_url"`
	// CirconusCheckID is the check id (not check bundle id) from a previously created
	// HTTPTRAP check. The numeric portion of the check._cid field.
	// Default: none
	CirconusCheckID string `hcl:"circonus_check_id"`
	// CirconusCheckForceMetricActivation will force enabling metrics, as they are encountered,
	// if the metric already exists and is NOT active. If check management is enabled, the default
	// behavior is to add new metrics as they are encountered. If the metric already exists in the
	// check, it will *NOT* be activated. This setting overrides that behavior.
	// Default: "false"
	CirconusCheckForceMetricActivation string `hcl:"circonus_check_force_metric_activation"`
	// CirconusCheckInstanceID serves to uniquely identify the metrics coming from this "instance".
	// It can be used to maintain metric continuity with transient or ephemeral instances as
	// they move around within an infrastructure.
	// Default: hostname:app
	CirconusCheckInstanceID string `hcl:"circonus_check_instance_id"`
	// CirconusCheckSearchTag is a special tag which, when coupled with the instance id, helps to
	// narrow down the search results when neither a Submission URL or Check ID is provided.
	// Default: service:app (e.g. service:consul)
	CirconusCheckSearchTag string `hcl:"circonus_check_search_tag"`
	// CirconusCheckTags is a comma separated list of tags to apply to the check. Note that
	// the value of CirconusCheckSearchTag will always be added to the check.
	// Default: none
	CirconusCheckTags string `hcl:"circonus_check_tags"`
	// CirconusCheckDisplayName is the name for the check which will be displayed in the Circonus UI.
	// Default: value of CirconusCheckInstanceID
	CirconusCheckDisplayName string `hcl:"circonus_check_display_name"`
	// CirconusBrokerID is an explicit broker to use when creating a new check. The numeric portion
	// of broker._cid. If metric management is enabled and neither a Submission URL nor Check ID
	// is provided, an attempt will be made to search for an existing check using Instance ID and
	// Search Tag. If one is not found, a new HTTPTRAP check will be created.
	// Default: use Select Tag if provided, otherwise, a random Enterprise Broker associated
	// with the specified API token or the default Circonus Broker.
	// Default: none
	CirconusBrokerID string `hcl:"circonus_broker_id"`
	// CirconusBrokerSelectTag is a special tag which will be used to select a broker when
	// a Broker ID is not provided. The best use of this is to as a hint for which broker
	// should be used based on *where* this particular instance is running.
	// (e.g. a specific geo location or datacenter, dc:sfo)
	// Default: none
	CirconusBrokerSelectTag string `hcl:"circonus_broker_select_tag"`

	// Dogstats:
	// DogStatsdAddr is the address of a dogstatsd instance. If provided,
	// metrics will be sent to that instance
	DogStatsDAddr string `hcl:"dogstatsd_addr"`

	// DogStatsdTags are the global tags that should be sent with each packet to dogstatsd
	// It is a list of strings, where each string looks like "my_tag_name:my_tag_value"
	DogStatsDTags []string `hcl:"dogstatsd_tags"`

	// Prometheus:
	// PrometheusRetentionTime is the retention time for prometheus metrics if greater than 0.
	// Default: 24h
	PrometheusRetentionTime    time.Duration `hcl:"-"`
	PrometheusRetentionTimeRaw interface{}   `hcl:"prometheus_retention_time"`

	// Stackdriver:
	// StackdriverProjectID is the project to publish stackdriver metrics to.
	StackdriverProjectID string `hcl:"stackdriver_project_id"`
	// StackdriverLocation is the GCP or AWS region of the monitored resource.
	StackdriverLocation string `hcl:"stackdriver_location"`
	// StackdriverNamespace is the namespace identifier, such as a cluster name.
	StackdriverNamespace string `hcl:"stackdriver_namespace"`
	// StackdriverDebugLogs will write additional stackdriver related debug logs to stderr.
	StackdriverDebugLogs bool `hcl:"stackdriver_debug_logs"`

	// How often metrics for lease expiry will be aggregated
	LeaseMetricsEpsilon    time.Duration
	LeaseMetricsEpsilonRaw interface{} `hcl:"lease_metrics_epsilon"`

	// Number of buckets by time that will be used in lease aggregation
	NumLeaseMetricsTimeBuckets int `hcl:"num_lease_metrics_buckets"`

	// Whether or not telemetry should add labels for namespaces
	LeaseMetricsNameSpaceLabels bool `hcl:"add_lease_metrics_namespace_labels"`

	// FilterDefault is the default for whether to allow a metric that's not
	// covered by the prefix filter.
	FilterDefault *bool `hcl:"filter_default"`

	// PrefixFilter is a list of filter rules to apply for allowing
	// or blocking metrics by prefix.
	PrefixFilter []string `hcl:"prefix_filter"`
}

Telemetry is the telemetry configuration for the server

func (*Telemetry) GoString 

func (t *Telemetry) GoString() string

func (*Telemetry) Validate added in v1.8.0 

func (t *Telemetry) Validate(source string) []ConfigError

type UnusedKeyMap added in v1.8.0 

type UnusedKeyMap map[string][]token.Pos

func UnusedFieldDifference added in v1.8.0 

func UnusedFieldDifference(a, b UnusedKeyMap, foundKeys []string) UnusedKeyMap

UnusedFieldDifference returns all the keys in map a that are not present in map b, and also not present in foundKeys.

type ValidatableConfig added in v1.8.0 

type ValidatableConfig interface {
	Validate() []ConfigError
}

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