istio_ca

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Istio Certificate Authority (CA).

istio_ca [flags]

Flags	Description
`--append-dns-names`	Append DNS names to the certificates for webhook services.
`--cert-chain <string>`	Path to the certificate chain file. (default ``)
`--citadel-storage-namespace <string>`	Namespace where the Citadel pod is running. Will not be used if explicit file or other storage mechanism is specified. (default `istio-system`)
`--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`)
`--custom-dns-names <string>`	The list of account.namespace:customdns names, separated by comma. (default ``)
`--enable-profiling`	Enabling profiling when monitoring Citadel.
`--experimental-dual-use`	Enable dual-use mode. Generates certificates with a CommonName identical to the SAN.
`--grpc-host-identities <string>`	The list of hostnames for istio ca server, separated by comma. (default `istio-ca,istio-citadel`)
`--grpc-port <int>`	The port number for Citadel GRPC server. If unspecified, Citadel will not serve GRPC requests. (default `8060`)
`--key-size <int>`	Size of generated private key. (default `2048`)
`--kube-config <string>`	Specifies path to kubeconfig file. This must be specified when not running inside a Kubernetes pod. (default ``)
`--listened-namespaces <string>`	Select the namespaces for the Citadel to listen to, separated by comma. If unspecified, Citadel tries to use the ${NAMESPACE} environment variable. If neither is set, Citadel listens to all namespaces. (default ``)
`--liveness-probe-interval <duration>`	Interval of updating file for the liveness probe. (default `0s`)
`--liveness-probe-path <string>`	Path to the file for the liveness probe. (default ``)
`--log_as_json`	Whether 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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] (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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] 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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] 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]`)
`--max-workload-cert-ttl <duration>`	The max TTL of issued workload certificates. (default `2160h0m0s`)
`--monitoring-port <int>`	The port number for monitoring Citadel. If unspecified, Citadel will disable monitoring. (default `15014`)
`--org <string>`	Organization for the certificate. (default ``)
`--pkcs8-keys`	Whether to generate PKCS#8 private keys.
`--probe-check-interval <duration>`	Interval of checking the liveness of the CA. (default `30s`)
`--read-signing-cert-only`	When set, Citadel only reads the self-signed signing cert and key from Kubernetes secret without generating one (if not exist). This flag avoids racing condition between multiple Citadels generating self-signed key and cert. Please make sure one and only one Citadel instance has this flag set to false.
`--requested-ca-cert-ttl <duration>`	The requested TTL for the CA certificate. (default `8760h0m0s`)
`--root-cert <string>`	Path to the root certificate file. (default ``)
`--sds-enabled`	Whether SDS is enabled.
`--self-signed-ca`	Indicates whether to use auto-generated self-signed CA certificate. When set to true, the '--signing-cert' and '--signing-key' options are ignored.
`--server-only`	When set, Citadel only serves as a server without writing the Kubernetes secrets.
`--sign-ca-certs`	Whether Citadel signs certificates for other CAs.
`--signing-cert <string>`	Path to the CA signing certificate file. (default ``)
`--signing-key <string>`	Path to the CA signing key file. (default ``)
`--trust-domain <string>`	The domain serves to identify the system with SPIFFE. (default ``)
`--upstream-ca-address <string>`	The IP:port address of the upstream CA. When set, the CA will rely on the upstream Citadel to provision its own certificate. (default ``)
`--workload-cert-grace-period-ratio <float32>`	The workload certificate rotation grace period, as a ratio of the workload certificate TTL. (default `0.5`)
`--workload-cert-ttl <duration>`	The TTL of issued workload certificates. (default `2160h0m0s`)

istio_ca probe

Check the liveness or readiness of a locally-running server

istio_ca probe [flags]

Flags	Description
`--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`)
`--interval <duration>`	Duration used for checking the target file's last modified time. (default `0s`)
`--log_as_json`	Whether 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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] (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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] 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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] 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 ``)

istio_ca version

Prints out build version information

istio_ca version [flags]

Flags	Shorthand	Description
`--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`)
`--log_as_json`		Whether 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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] (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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] 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, caSecretController, configMapController, default, k8sController, monitor, pkiCaLog, rootCertRotator, serverCaLog] 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>`	`-o`	One of 'yaml' or 'json'. (default ``)
`--short`	`-s`	Use --short=false to generate full version information

Environment variables

These environment variables affect the behavior of the istio_ca command.

Variable Name	Type	Default Value	Description
`CITADEL_ENABLE_JITTER_FOR_ROOT_CERT_ROTATOR`	Boolean	`true`	If true, set up a jitter to start root cert rotator. Jitter selects a backoff time in seconds to start root cert rotator, and the back off time is below root cert check interval.
`CITADEL_ENABLE_NAMESPACES_BY_DEFAULT`	Boolean	`true`	Determines whether unlabeled namespaces should be targeted by this Citadel instance
`CITADEL_SELF_SIGNED_CA_CERT_TTL`	Time Duration	`87600h0m0s`	The TTL of self-signed CA root certificate.
`CITADEL_SELF_SIGNED_ROOT_CERT_CHECK_INTERVAL`	Time Duration	`1h0m0s`	The interval that self-signed CA checks its root certificate expiration time and rotates root certificate. Setting this interval to zero or a negative value disables automated root cert check and rotation. This interval is suggested to be larger than 10 minutes.
`CITADEL_SELF_SIGNED_ROOT_CERT_GRACE_PERIOD_PERCENTILE`	Integer	`20`	Grace period percentile for self-signed root cert.
`CITADEL_WORKLOAD_CERT_MIN_GRACE_PERIOD`	Time Duration	`10m0s`	The minimum workload certificate rotation grace period.
`NAMESPACE`	String

Exported metrics

Metric Name	Type	Description
`citadel_secret_controller_csr_err_count`	`Sum`	The number of errors occurred when creating the CSR.
`citadel_secret_controller_csr_sign_err_count`	`Sum`	The number of errors occurred when signing the CSR.
`citadel_secret_controller_secret_deleted_cert_count`	`Sum`	The number of certificates recreated due to secret deletion (service account still exists).
`citadel_secret_controller_svc_acc_created_cert_count`	`Sum`	The number of certificates created due to service account creation.
`citadel_secret_controller_svc_acc_deleted_cert_count`	`Sum`	The number of certificates deleted due to service account deletion.
`citadel_server_authentication_failure_count`	`Sum`	The number of authentication failures.
`citadel_server_csr_count`	`Sum`	The number of CSRs received by Citadel server.
`citadel_server_csr_parsing_err_count`	`Sum`	The number of errors occurred when parsing the CSR.
`citadel_server_csr_sign_err_count`	`Sum`	The number of errors occurred when signing the CSR.
`citadel_server_id_extraction_err_count`	`Sum`	The number of errors occurred when extracting the ID from CSR.
`citadel_server_root_cert_expiry_timestamp`	`LastValue`	The unix timestamp, in seconds, when Citadel root cert will expire. We set it to negative in case of internal error.
`citadel_server_success_cert_issuance_count`	`Sum`	The number of certificates issuances that have succeeded.
`istio_build`	`LastValue`	Istio component build info