galley

Galley provides configuration management services for Istio.

FlagsShorthandDescription
--config <string>-cConfig file containing args (default ``)
--log_as_jsonWhether to format output as JSON or in plain console-friendly format
--log_caller <string>Comma-separated list of scopes for which to include caller information, scopes can be any of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] (default ``)
--log_output_level <string>Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`)
--log_rotate <string>The path for the optional rotating log file (default ``)
--log_rotate_max_age <int>The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`)
--log_rotate_max_backups <int>The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`)
--log_rotate_max_size <int>The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`)
--log_stacktrace_level <string>Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`)
--log_target <stringArray>The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`)

galley probe

Check the liveness or readiness of a locally-running server

galley probe [flags]
FlagsShorthandDescription
--config <string>-cConfig file containing args (default ``)
--interval <duration>Duration used for checking the target file's last modified time. (default `0s`)
--log_as_jsonWhether to format output as JSON or in plain console-friendly format
--log_caller <string>Comma-separated list of scopes for which to include caller information, scopes can be any of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] (default ``)
--log_output_level <string>Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`)
--log_rotate <string>The path for the optional rotating log file (default ``)
--log_rotate_max_age <int>The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`)
--log_rotate_max_backups <int>The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`)
--log_rotate_max_size <int>The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`)
--log_stacktrace_level <string>Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`)
--log_target <stringArray>The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`)
--probe-path <string>Path of the file for checking the availability. (default ``)

galley server

Starts Galley as a server

galley server [flags]
FlagsShorthandDescription
--accessListFile <string>The access list yaml file that contains the allowd mTLS peer ids. (default `/etc/config/accesslist.yaml`)
--caCertFile <string>File containing the caBundle that signed the cert/key specified by --tlsCertFile and --tlsKeyFile. (default `/etc/certs/root-cert.pem`)
--config <string>-cConfig file containing args (default ``)
--configPath <string>Istio config file path (default ``)
--ctrlz_address <string>The IP Address to listen on for the ControlZ introspection facility. Use '*' to indicate all addresses. (default `localhost`)
--ctrlz_port <uint16>The IP port to use for the ControlZ introspection facility (default `9876`)
--deployment-name <string>Name of the deployment for the validation pod (default `istio-galley`)
--deployment-namespace <string>Namespace of the deployment for the validation pod (default `istio-system`)
--disableResourceReadyCheckDisable resource readiness checks. This allows Galley to start if not all resource types are supported
--domain <string>DNS domain suffix (default `cluster.local`)
--enable-reconcileWebhookConfigurationEnable reconciliation for webhook configuration.
--enable-serverRun galley server mode
--enable-validationRun galley validation mode
--enableProfilingEnable profiling for Galley
--enableServiceDiscoveryEnable service discovery processing in Galley
--excludedResourceKinds <stringSlice>Comma-separated list of resource kinds that should not generate source events (default `[Endpoints,Namespace,Node,Pod,Service]`)
--insecureUse insecure gRPC communication
--kubeconfig <string>Use a Kubernetes configuration file instead of in-cluster configuration (default ``)
--livenessProbeInterval <duration>Interval of updating file for the Galley liveness probe. (default `2s`)
--livenessProbePath <string>Path to the file for the Galley liveness probe. (default `/healthLiveness`)
--log_as_jsonWhether to format output as JSON or in plain console-friendly format
--log_caller <string>Comma-separated list of scopes for which to include caller information, scopes can be any of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] (default ``)
--log_output_level <string>Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`)
--log_rotate <string>The path for the optional rotating log file (default ``)
--log_rotate_max_age <int>The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`)
--log_rotate_max_backups <int>The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`)
--log_rotate_max_size <int>The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`)
--log_stacktrace_level <string>Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`)
--log_target <stringArray>The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`)
--meshConfigFile <string>Path to the mesh config file (default `/etc/mesh-config/mesh`)
--monitoringPort <uint>Port to use for exposing self-monitoring information (default `15014`)
--pprofPort <uint>Port to use for exposing profiling (default `9094`)
--readinessProbeInterval <duration>Interval of updating file for the Galley readiness probe. (default `2s`)
--readinessProbePath <string>Path to the file for the Galley readiness probe. (default `/healthReadiness`)
--resyncPeriod <duration>Resync period for rescanning Kubernetes resources (default `0s`)
--server-address <string>Address to use for Galley's gRPC API, e.g. tcp://localhost:9092 or unix:///path/to/file (default `tcp://0.0.0.0:9901`)
--server-maxConcurrentStreams <uint>Maximum number of outstanding RPCs per connection (default `1024`)
--server-maxReceivedMessageSize <uint>Maximum size of individual gRPC messages (default `1048576`)
--service-name <string>Name of the validation service running in the same namespace as the deployment (default `istio-galley`)
--sinkAddress <string>Address of MCP Resource Sink server for Galley to connect to. Ex: 'foo.com:1234' (default ``)
--sinkAuthMode <string>Name of authentication plugin to use for connection to sink server. (default ``)
--sinkMeta <stringSlice>Comma-separated list of key=values to attach as metadata to outgoing sink connections. Ex: 'key=value,key2=value2' (default `[]`)
--tlsCertFile <string>File containing the x509 Certificate for HTTPS. (default `/etc/certs/cert-chain.pem`)
--tlsKeyFile <string>File containing the x509 private key matching --tlsCertFile. (default `/etc/certs/key.pem`)
--useOldProcessorUse the old processing pipeline for config processing
--validation-port <uint>HTTPS port of the validation service. Must be 443 if service has more than one port (default `443`)
--validation-webhook-config-file <string>File that contains k8s validatingwebhookconfiguration yaml. Required if enable-validation is true. (default ``)
--webhook-name <string>Name of the k8s validatingwebhookconfiguration (default `istio-galley`)

Accepts deep config files, like:

general:
  introspection:
    address: --ctrlz_address
    port: --ctrlz_port
  kubeconfig: --kubeconfig
processing:
  domainsuffix: --domain
  server:
    address: --server-address
    auth:
      insecure: --insecure
    enable: --enable-server
validation:
  deploymentname: --deployment-name
  deploymentnamespace: --deployment-namespace
  enable: --enable-validation
  servicename: --service-name
  tls:
    caCertificates: --validation.tls.caCertificates
    clientCertificate: --validation.tls.clientCertificate
    privateKey: --validation.tls.privateKey
  webhookconfigfile: --validation-webhook-config-file
  webhookname: --webhook-name
  webhookport: --validation-port

galley version

Prints out build version information

galley version [flags]
FlagsShorthandDescription
--config <string>-cConfig file containing args (default ``)
--log_as_jsonWhether to format output as JSON or in plain console-friendly format
--log_caller <string>Comma-separated list of scopes for which to include caller information, scopes can be any of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] (default ``)
--log_output_level <string>Comma-separated minimum per-scope logging level of messages to output, in the form of <scope>:<level>,<scope>:<level>,... where scope can be one of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] and level can be one of [debug, info, warn, error, fatal, none] (default `default:info`)
--log_rotate <string>The path for the optional rotating log file (default ``)
--log_rotate_max_age <int>The maximum age in days of a log file beyond which the file is rotated (0 indicates no limit) (default `30`)
--log_rotate_max_backups <int>The maximum number of log file backups to keep before older files are deleted (0 indicates no limit) (default `1000`)
--log_rotate_max_size <int>The maximum size in megabytes of a log file beyond which the file is rotated (default `104857600`)
--log_stacktrace_level <string>Comma-separated minimum per-scope logging level at which stack traces are captured, in the form of <scope>:<level>,<scope:level>,... where scope can be one of [all, analysis, attributes, conversions, default, grpcAdapter, kube, kube-converter, mcp, meshconfig, model, processing, rbac, resource, runtime, server, source, validation] and level can be one of [debug, info, warn, error, fatal, none] (default `default:none`)
--log_target <stringArray>The set of paths where to output the log. This can be any path as well as the special values stdout and stderr (default `[stdout]`)
--output <string>-oOne of 'yaml' or 'json'. (default ``)
--short-sUse --short=false to generate full version information

Environment variables

These environment variables affect the behavior of the galley command.
Variable NameTypeDefault ValueDescription
AUTHZ_FAILURE_LOG_BURST_SIZEInteger1
AUTHZ_FAILURE_LOG_FREQTime Duration1m0s

Exported metrics

Metric NameTypeDescription
galley_runtime_processor_event_span_duration_millisecondsDistributionThe duration between each incoming event
galley_runtime_processor_events_processed_totalCountThe number of events that have been processed
galley_runtime_processor_snapshot_events_totalDistributionThe number of events per snapshot
galley_runtime_processor_snapshot_lifetime_duration_millisecondsDistributionThe duration of each snapshot
galley_runtime_processor_snapshots_published_totalCountThe number of snapshots that have been published
galley_runtime_state_type_instances_totalLastValueThe number of type instances per type URL
galley_runtime_strategy_on_change_totalCountThe number of times the strategy's onChange has been called
galley_runtime_strategy_timer_max_time_reached_totalCountThe number of times the max time has been reached
galley_runtime_strategy_timer_quiesce_reached_totalCountThe number of times a quiesce has been reached
galley_runtime_strategy_timer_resets_totalCountThe number of times the timer has been reset
galley_source_kube_dynamic_converter_failure_totalCountThe number of times a dynamnic kubernetes source failed converting a resources
galley_source_kube_dynamic_converter_success_totalCountThe number of times a dynamic kubernetes source successfully converted a resource
galley_source_kube_event_error_totalCountThe number of times a kubernetes source encountered errored while handling an event
galley_source_kube_event_success_totalCountThe number of times a kubernetes source successfully handled an event
galley_validation_cert_key_update_errorsCountGalley validation webhook certificate updates errors
galley_validation_cert_key_updatesCountGalley validation webhook certificate updates
galley_validation_config_loadCountk8s webhook configuration (re)loads
galley_validation_config_load_errorCountk8s webhook configuration (re)load error
galley_validation_config_update_errorCountk8s webhook configuration update error
galley_validation_config_updatesCountk8s webhook configuration updates
galley_validation_failedCountResource validation failed
galley_validation_http_errorCountResource validation http serve errors
galley_validation_passedCountResource is valid
istio_buildLastValueIstio component build info
istio_mcp_clients_totalLastValueThe number of streams currently connected.
istio_mcp_message_sizes_bytesDistributionSize of messages received from clients.
istio_mcp_reconnectionsSumThe number of times the sink has reconnected.
istio_mcp_recv_failures_totalSumThe number of recv failures in the source.
istio_mcp_request_acks_totalSumThe number of request acks received by the source.
istio_mcp_request_nacks_totalSumThe number of request nacks received by the source.
istio_mcp_send_failures_totalSumThe number of send failures in the source.