From: Marcin Siodelski Date: Wed, 24 Oct 2018 10:17:03 +0000 (+0200) Subject: [130-all-keys-sample] Added comments to the v6 full config example. X-Git-Tag: 65-libyang-clean-keatext_base~15 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4c201bfe37645347cab8c8fe08f79edd0f46a45;p=thirdparty%2Fkea.git [130-all-keys-sample] Added comments to the v6 full config example. --- diff --git a/doc/examples/kea4/all-keys.json b/doc/examples/kea4/all-keys.json index fde7576a0f..c2c8cb6a86 100644 --- a/doc/examples/kea4/all-keys.json +++ b/doc/examples/kea4/all-keys.json @@ -479,7 +479,7 @@ // Shared network level rebind timer. "rebind-timer": 41, - // Shared network level rebew timer. + // Shared network level renew timer. "renew-timer": 31, // Enumeration specifying server's mode of operation when it diff --git a/doc/examples/kea6/all-keys.json b/doc/examples/kea6/all-keys.json index 865ac867aa..52d6d953c0 100644 --- a/doc/examples/kea6/all-keys.json +++ b/doc/examples/kea6/all-keys.json @@ -6,325 +6,651 @@ // list of parameters supported by Kea DHCPv6 server along with the brief // description of each parameter. { - "Dhcp6": { - "client-classes": [ - { - "name": "phones_server1", - "option-data": [], - "test": "member('HA_server1')" - }, - { - "name": "phones_server2", - "option-data": [], - "test": "member('HA_server2')" - }, - { - "name": "laptops_server1", - "option-data": [], - "test": "member('HA_server1')" - }, - { - "name": "laptops_server2", - "option-data": [], - "test": "member('HA_server2')" - }, - { - "only-if-required": true, - "name": "late", - "test": "member('ALL')" - } - ], - "control-socket": { - "socket-name": "/tmp/kea-dhcp6-ctrl.sock", - "socket-type": "unix" - }, - "decline-probation-period": 86400, - "dhcp-ddns": { - "always-include-fqdn": false, - "enable-updates": false, - "generated-prefix": "myhost", - "hostname-char-replacement": "", - "hostname-char-set": "", - "max-queue-size": 1024, - "ncr-format": "JSON", - "ncr-protocol": "UDP", - "override-client-update": false, - "override-no-update": false, - "qualifying-suffix": "", - "replace-client-name": "never", - "sender-ip": "0.0.0.0", - "sender-port": 0, - "server-ip": "127.0.0.1", - "server-port": 53001 - }, - "dhcp4o6-port": 0, - "expired-leases-processing": { - "flush-reclaimed-timer-wait-time": 25, - "hold-reclaimed-time": 3600, - "max-reclaim-leases": 100, - "max-reclaim-time": 250, - "reclaim-timer-wait-time": 10, - "unwarned-reclaim-cycles": 5 - }, - "hooks-libraries": [ - { - "library": "/opt/lib/hooks/libdhcp_lease_cmds.so", - "parameters": {} - }, - { - "library": "/opt/lib/hooks/libdhcp_ha.so", - "parameters": { - "high-availability": [ + // Kea DHCPv6 server configuration begins here. + "Dhcp6": { + // Ordered list of client classes used by the DHCPv6 server. + "client-classes": [ { - "heartbeat-delay": 10000, - "max-ack-delay": 5000, - "max-response-delay": 10000, - "max-unacked-clients": 0, - "mode": "load-balancing", - "peers": [ - { - "auto-failover": true, - "name": "server1", - "role": "primary", - "url": "http://[2001:db8:8001::1]:8080/" - }, - { - "auto-failover": true, - "name": "server2", - "role": "secondary", - "url": "http://[2001:db8:8001::2]:8080/" - } - ], - "send-lease-updates": true, - "state-machine": { - "states": [ - { - "pause": "always", - "state": "waiting" - }, - { - "pause": "once", - "state": "partner-down" - } - ] - }, - "sync-leases": true, - "sync-timeout": 60000, - "this-server-name": "server1" - } - ] - } - } - ], - "hosts-databases": [ - { - "name": "kea", - "host": "localhost", - "password": "kea", - "port": 3306, - "type": "mysql", - "user": "kea" - } - ], - "host-reservation-identifiers": [ - "hw-address", - "duid", - "flex-id" - ], - "interfaces-config": { - "interfaces": [ - "ethX" - ], - "re-detect": true - }, - "lease-database": { - "lfc-interval": 3600, - "name": "/tmp/kea-dhcp6.csv", - "persist": true, - "type": "memfile" - }, - "mac-sources": [ "duid" ], - "option-data": [ - { - "always-send": false, - "code": 23, - "csv-format": true, - "data": "2001:db8:2::45, 2001:db8:2::100", - "name": "dns-servers", - "space": "dhcp6" - } - ], - "option-def": [ - { - "array": false, - "code": 6, - "encapsulate": "", - "name": "my-option", - "record-types": "uint8, uint8", - "space": "my-space", - "type": "record" - } - ], - "preferred-lifetime": 2000, - "rebind-timer": 40, - "relay-supplied-options": [], - "renew-timer": 30, - "sanity-checks": { - "lease-checks": "warn" - }, - "server-id": { - "type": "EN", - "enterprise-id": 2495, - "identifier": "0123456789", - "persist": false - }, - "shared-networks": [ - { - "client-class": "", - "interface": "ethX", - "interface-id": "", - "name": "my-secret-network", - "option-data": [], - "preferred-lifetime": 2000, - "rapid-commit": false, - "relay": { - "ip-addresses": [] - }, - "rebind-timer": 41, - "renew-timer": 31, - "reservation-mode": "all", - "require-client-classes": [ "late" ], - "subnet6": [ - { - "client-class": "", - "id": 1, - "interface": "ethX", - "interface-id": "", - "option-data": [ - { - "always-send": false, - "code": 7, - "csv-format": true, - "data": "0xf0", - "name": "preference", - "space": "dhcp6" - } - ], - "pd-pools": [ - { - "client-class": "phones_server1", - "delegated-len": 64, - "excluded-prefix": "2001:db8::", - "excluded-prefix-len": 48, - "option-data": [], - "prefix": "2001:db8::", - "prefix-len": 40, - "require-client-classes": [] - } - ], - "pools": [ - { - "client-class": "phones_server1", - "option-data": [], - "pool": "2001:db8:0:1::/64", - "require-client-classes": [ "late" ] - }, - { - "client-class": "laptops_server1", + // Class name. + "name": "phones_server1", + + // Class specific DHCPv6 options list. "option-data": [], - "pool": "2001:db8:0:2::/64", - "require-client-classes": [ "late" ] - }, - { - "client-class": "phones_server2", - "option-data": [], - "pool": "2001:db8:0:3::/64", - "require-client-classes": [] - }, - { - "client-class": "laptops_server2", + + // Class selection expression. The DHCP packet is assigned to this + // class when the given expression evaluates to true. + "test": "member('HA_server1')" + }, + { + // Second class name. + "name": "phones_server2", + + // Class specific DHCPv6 options list. "option-data": [], - "pool": "2001:db8:0:4::/64", - "require-client-classes": [] - } - ], - "preferred-lifetime": 2000, - "rapid-commit": false, - "rebind-timer": 40, - "relay": { - "ip-addresses": [ - "2001:db8:0:f::1" - ] + + // Class selection expression. The DHCP packet is assigned to this + // class when the given expression evaluates to true. + "test": "member('HA_server2')" }, - "rebind-timer": 40, - "renew-timer": 30, - "reservation-mode": "all", - "reservations": [], - "require-client-classes": [ "late" ], - "subnet": "2001:db8::/32", - "valid-lifetime": 6000 - } + { + // Third class name. + "name": "late", + + // Boolean flag indicating that the class expression is only evaluated + // when the class is required, e.g. selected address pool configuration + // includes this class name in its "require-client-classes" list. The + // default value false means that the class test expression must + // always be evaluated. + "only-if-required": true, + + // Class selection expression. + "test": "member('ALL')" + } ], - "valid-lifetime": 6001 - } - ], - "subnet6": [], - "valid-lifetime": 6000 - }, - "Logging": { - "loggers": [ - { - "debuglevel": 99, - "name": "kea-dhcp6", - "output_options": [ - { - "flush": true, - "maxsize": 10240000, - "maxver": 1, - "output": "stdout" - } + + // Command control socket configuration parameters for Kea DHCPv6 server. + "control-socket": { + // Location of the unix domain socket file the DHCPv6 server uses + // to receive control commands from the Kea Control Agent or the + // local server administrator. + "socket-name": "/tmp/kea-dhcp6-ctrl.sock", + + // Control socket type used by the Kea DHCPv6 server. The 'unix' + // socket is currently the only supported type. + "socket-type": "unix" + }, + + // Time in seconds specifying how long a declined lease should be + // excluded from DHCP assignments. The default value is 24 hours. + "decline-probation-period": 86400, + + // Name Change Requests forwarding configuration for Kea DHCPv6 server. + // NCRs are sent to Kea D2 module to update DNS upon allocation of the + // DHCP leases. + "dhcp-ddns": { + // Boolean flag indicating if Kea DHCPv6 server must generate NCRs. + // By default NCRs are not generated. + "enable-updates": false, + + // Specifies a prefix to be prepended to the generated Client FQDN. + "generated-prefix": "myhost", + + // String of zero or more characters with which to replace each + // invalid character in the hostname or Client FQDN. The default + // value is an empty string which will cause invalid characters + // to be omitted rather than replaced. + "hostname-char-replacement": "x", + + // Regular expression describing the invalid character set in + // the hostname or Client FQDN. + "hostname-char-set": "[^A-Za-z0-9.-]", + + // Specifies maximum number of NCRs to queue waiting to be sent + // to Kea D2 server. + "max-queue-size": 1024, + + // Packet format to use when sending NCRs to Kea D2 server. + // Currently, only JSON format is supported. + "ncr-format": "JSON", + + // Socket protocol to use when sending NCRs to D2. Currently, + // only UDP is supported. + "ncr-protocol": "UDP", + + // Boolean flag indicating that server should ignore DHCP client + // wishes to update DNS on its own. With that flag set to true + // the server will send DNS updates for both forward and + // reverse DNS data. The default value is false, which indicates + // that the server will delegate DNS update to the client when + // requested. + "override-client-update": false, + + // Boolean flag indicating that the server should override DHCP + // client's wish to not update the DNS. With this parameter + // set to true the server will send DNS update even when + // the client requested no update. + "override-no-update": false, + + // Suffix appended to the partial name sent to the DNS. The + // default value is an empty string which indicates that no + // suffix is appended. + "qualifying-suffix": "", + + // Enumeration specifying whether the server should honor + // hostname or Client FQDN sent by the client or replace + // this name. The acceptable values are: "never" (use the + // name the client sent), "always" (replace the name the + // client sent), "when-present" (replace the name the client + // sent, but do not generate one when the client didn't sent + // the name), "when-not-present" (generate the name when + // client didn't send one, otherwise leave the name the + // client sent). The default value is "never". + "replace-client-name": "never", + + // IP address that Kea DHCPv6 server should use to send + // NCRs to D2. Default value of zero indicates that Kea + // should pick suitable address. + "sender-ip": "::1", + + // Port number that Kea DHCPv6 server should use to send + // NCRs to D2. Default value of zero indicates that Kea + // should pick suitable port. + "sender-port": 0, + + // IP address on which D2 listens for NCRs. + "server-ip": "::1", + + // Port number on which D2 listens for NCRs. + "server-port": 53001 + }, + + // Specifies the first of the two consecutive ports of the UDP + // sockets used for communication between DHCPv6 and DHCPv4 + // servers. See RFC 7341. + "dhcp4o6-port": 0, + + // Collection of Kea DHCPv6 server parameters configuring how + // the server should process expired DHCP leases. + "expired-leases-processing": { + // Specifies the number of seconds since last removal of + // the expired leases when next removal should occur. + "flush-reclaimed-timer-wait-time": 25, + + // Specifies the time period in seconds to keep expired + // leases in the lease database (lease affinity). + "hold-reclaimed-time": 3600, + + // Specifies the maximum number of expired leases that can be + // processed in a single attempt to clean up the lease + // database from the expired leases. If there are more + // expired leases, they will be processed during the next + // cleanup attempt. + "max-reclaim-leases": 100, + + // Specifies the maximum time in milliseconds that the single + // attempt to cleanup the lease database from the expired + // leases may take. + "max-reclaim-time": 250, + + // Specifies the time period in seconds since last attempt + // to process expired leases to initiate the next attempt. + "reclaim-timer-wait-time": 10, + + // Specifies the maximum number of expired leases processing + // cycles which didn't result in full cleanup of the lease + // database from the expired leases, after which a + // warning message is issued. + "unwarned-reclaim-cycles": 5 + }, + + // List of hooks libraries and their specific configuration parameters + // to be loaded by Kea DHCPv4 server. + "hooks-libraries": [ + { + // Location of the hooks library to be loaded. + "library": "/opt/lib/hooks/libdhcp_lease_cmds.so", + + // Hook library specific configuration parameters. + "parameters": { } + } ], - "severity": "INFO" - }, - { - "debuglevel": 99, - "name": "kea-dhcp6.ha_hooks", - "output_options": [ - { - "flush": true, - "maxsize": 10240000, - "maxver": 1, - "output": "stdout" - } + + // List of access credentials to external sources of IPv6 reservations, + "hosts-databases": [ + { + // Name of the database to connect to. + "name": "kea", + + // Host on which the database resides. + "host": "localhost", + + // Database password. + "password": "kea", + + // Port on which the database is available. + "port": 3306, + + // Type of the database, e.g. "mysql", "pgsql", "cql". + "type": "mysql", + + // User name to be used to access the database. + "user": "kea" + } ], - "severity": "INFO" - }, - { - "debuglevel": 99, - "name": "kea-dhcp6.commands", - "output_options": [ - { - "flush": true, - "maxsize": 10240000, - "maxver": 1, - "output": "stdout" - } + + // List of host reservation identifier types to be used by the + // Kea DHCPv6 server to fetch static reservations for the + // DHCP clients. All identifiers are used by default, which + // means that the server will issue multiple queries to the + // database to find if there is a reservation for the particular + // client. If the particular deployment uses only subset, e.g. + // one, identifier type, this identifier should be only listed + // here to prevent unnecessary queries to the database. + "host-reservation-identifiers": [ + "hw-address", + "duid", + "flex-id" ], - "severity": "INFO" - }, - { - "debuglevel": 99, - "name": "kea-dhcp6.http", - "output_options": [ - { - "flush": true, - "maxsize": 10240000, - "maxver": 1, - "output": "stdout" - } + + // Specifies configuration of interfaces on which the Kea DHCPv6 + // server is listening to the DHCP queries. + "interfaces-config": { + // Specifies a list of interfaces on which the Kea DHCPv6 + // server should listen to the DHCP requests. + "interfaces": [ + "ethX" + ], + + // Boolean flag indicating if the available interfaces should + // be re-detected upon server reconfiguration. The default value + // is true which means that the interfaces are always + // re-detected. + "re-detect": true + }, + + // Specifies credentials to access lease database. + "lease-database": { + // memfile backend specific parameter specifying the interval + // in seconds at which lease file should be cleaned up (outdated + // lease entries are removed to prevent lease file from growing + // infinitely). + "lfc-interval": 3600, + + // Name of the lease file. In case of database it specifies the + // database name. + "name": "/tmp/kea-dhcp6.csv", + + // memfile specific parameter indicating whether leases should + // be saved on persistent storage (disk) or not. The true value + // is the default and it indicates that leases are stored in the + // persistent storage. This setting must be used in production. + // The false value should only be used for testing purposes + // because non stored leases will be lost upon Kea server restart. + "persist": true, + + // Lease database backend type, i.e. "memfile", "mysql", "pgsql" + // or "cql". + "type": "memfile" + }, + + // List of parameters indicating how the client's MAC address can be + // inferred from the DHCP query. Supported values are listed in the + // Kea Administrator Reference Manual. + "mac-sources": [ "duid" ], + + // List of global DHCP options that Kea DHCPv6 server assigns to the + // clients. + "option-data": [ + { + // Boolean flag indicating if the given option is always + // send in response or only when requested. The default + // value of false indicates that it is only sent when + // requested. + "always-send": false, + + // Option code. It is not required if the option name is + // provided. + "code": 23, + + // Boolean value indicating whether the option data specified + // in the "data" field is specified as a string of hexadecimal + // digits or in human readable CSV format. + "csv-format": true, + + // Option data to be stored in the option payload. + "data": "2001:db8:2::45, 2001:db8:2::100", + + // Option name. It is not required of the option code is + // provided. + "name": "dns-servers", + + // Option space. The default is the "dhcp6" option space which + // groups top level DHCPv6 options. + "space": "dhcp6" + } ], - "severity": "INFO" - } - ] - } + + // List of global option definitions, i.e. option formats, that the + // Kea DHCPv6 server is using. + "option-def": [ + { + // Boolean flag indicating if the option definition comprises + // an array of values of some type, e.g. array of IPv6 addresses. + // The default value of false means that the option does not + // comprise an array of values. + "array": false, + + // Option code. + "code": 6, + + // Holds a name of the option space encapsulated by this option. + // All options that belong to this option space will be sent + // as sub-options of this option. Empty string means that this + // option doesn't encapsulate any option. + "encapsulate": "", + + // Option name. + "name": "my-option", + + // Specifies the types of fields within the option if the option + // is said to be a "record" (see "type"). in this particular example + // this option comprises two fields, 1 byte and 2 bytes long. + "record-types": "uint8, uint16", + + // Name of the option space to which this option belongs. + "space": "my-space", + + // Option type. All possible types are listed in the Kea + // Administrator Reference Manual. + "type": "record" + } + ], + + // Global value of the preferred lifetime. + "preferred-lifetime": 50, + + // Global value for the rebind timer, i.e. the time after which the + // DHCP client enters rebind state if it fails to renew the lease. + "rebind-timer": 40, + + // List of relay supplied option codes. See RFC 6422. + "relay-supplied-options": [ "110", "120", "130" ], + + // Global value for the renew timer, i.e. the timer after which the + // DHCP client renews the lease. + "renew-timer": 30, + + // Governs how the Kea DHCPv6 server should deal with the invalid + // data received from the client. + "sanity-checks": { + // Specifies how the Kea DHCPv6 server should behave when invalid + // data is read for a lease from the lease file. The following + // values are supported "none" (don't attempt to correct the + // lease information), "warn" (print a warning for subnet-id + // related inconsistencies), "fix" (correct the subnet id by + // trying to find the suitable subnet), "fix-del" (similar + // to "fix" but delete the lease if no suitable subnet found), + // "del" (delete the lease if the lease has invalid subnet + // identifier value). + "lease-checks": "warn" + }, + + // Custom DUID used by the DHCPv6 server. + "server-id": { + // Type of the DUID. Possible values are "LLT", "EN", and "LL". + "type": "EN", + + // Enterprise id used for "EN" duid. + "enterprise-id": 2495, + + // Identifier part of the DUID. + "identifier": "0123456789", + + // Boolean flag indicating if the DUID should be persisted on + // disk. + "persist": false + }, + + // List of shared networks used by Kea DHCPv6 server. The shared + // networks group subnets together. + "shared-networks": [ + { + // Restricts this shared network to allow only clients + // that belong to the particular client class. If an + // empty string is provided, no restriction is applied. + "client-class": "", + + // Specifies that this shared network is selected for the + // requests received on the particular interface. + "interface": "ethX", + + // Specifies the content of the interface-id option used + // by relays to identify the interface on the relay to + // which the response is sent. + "interface-id": "", + + // Shared network name. + "name": "my-secret-network", + + // List of shared network specific DHCP options. + "option-data": [], + + // Shared network specific preferred lifetime. + "preferred-lifetime": 2000, + + // Boolen flag indicating if the server can respond to + // a Solicit message including a Rapid Commit option with + // the Reply message (See DHCPv6 rapid commit). + "rapid-commit": false, + + // List of IPv6 relay addresses for which this shared + // network is selected. + "relay": { + "ip-addresses": [] + }, + + // Shared network level rebind timer. + "rebind-timer": 41, + + // Shared network level renew timer. + "renew-timer": 31, + + // Enumeration specifying server's mode of operation when it + // fetches host reservations. + "reservation-mode": "all", + + // List of client classes which must be evaluated when this shared + // network is selected for client assignments. + "require-client-classes": [ "late" ], + + // List of IPv6 subnets belonging to this shared network. + "subnet6": [ + { + // Restricts this subnet to allow only clients that belong + // to the particular client class. If an empty string is + // provided, no restriction is applied. + "client-class": "", + + // Subnet unique identifier. + "id": 1, + + // Specifies that this subnet is selected for the requests + // received on the particular interface. + "interface": "ethX", + + // Specifies the content of the interface-id option used + // by relays to identify the interface on the relay to + // which the response is sent. + "interface-id": "", + + // Subnet level list of DHCP options. + "option-data": [ + { + // Boolean flag indicating if the particular option + // should be always sent or sent only when requested. + "always-send": false, + + // Option code. + "code": 7, + + // Boolean flag indicating if the option value specified + // in "data" is a string of hexadecimal values or human + // readable CSV value. + "csv-format": false, + + // Option data to be included in the option payload. + "data": "0xf0", + + // Option name. + "name": "preference", + + // Option space. The default value "dhcp6" designates the + // top level option space. + "space": "dhcp6" + } + ], + + // List of pools from which delegated prefixes are assigned to the + // clients. + "pd-pools": [ + { + "client-class": "phones_server1", + "delegated-len": 64, + "excluded-prefix": "2001:db8::", + "excluded-prefix-len": 48, + "option-data": [], + "prefix": "2001:db8::", + "prefix-len": 40, + "require-client-classes": [] + } + ], + + "pools": [ + { + // Restricts this pool to be only used for the client + // requests belonging to a particular client class. + "client-class": "phones_server1", + + // Pool level list of DHCP options. + "option-data": [], + + // Address range used for client assignments. + "pool": "2001:db8:0:1::/64", + + // List of client classes which must be evaluated when this pool + // is selected for client assignments. + "require-client-classes": [ "late" ] + }, + { + // Restricts this pool to be only used for the client + // requests belonging to a particular client class. + "client-class": "phones_server2", + + // Pool level list of DHCP options. + "option-data": [], + + // Address range used for client assignments. + "pool": "2001:db8:0:3::/64", + + // List of client classes which must be evaluated when this pool + // is selected for client assignments. + "require-client-classes": [] + } + ], + + // Subnet specific preferred lifetime. + "preferred-lifetime": 2000, + + // Boolen flag indicating if the server can respond to + // a Solicit message including a Rapid Commit option with + // the Reply message (See DHCPv6 rapid commit). + "rapid-commit": false, + + // Subnet level rebind timer. + "rebind-timer": 40, + + // List of IPv4 relay addresses for which this subnet + // is selected. + "relay": { + "ip-addresses": [ + "2001:db8:0:f::1" + ] + }, + + // Subnet level renew timer. + "renew-timer": 30, + + // Enumeration specifying server's mode of operation when it + // fetches host reservations. + "reservation-mode": "all", + + // List of static IPv6 reservations assigned to the clients belonging + // to this subnet. For detailed example see reservations.json. + "reservations": [ + { + // Identifier used for client matching. Supported values are + // "duid", "hw-address" and "flex-id". + "duid": "01:02:03:04:05:06:07:08:09:0A", + + // List of reserved IPv6 addresses. + "ip-addresses": [ "2001:db8:1:cafe::1" ], + + // List of reserved IPv6 prefixes. + "prefixes": [ "2001:db8:2:abcd::/64" ], + + // Reserved hostname. + "hostname": "foo.example.com", + + // Reservation specific option data. + "option-data": [ + { + // Option name. + "name": "vendor-opts", + + // Option value. + "data": "4491" + } + ] + } + ], + + // List of client classes which must be evaluated when this subnet + // is selected for client assignments. + "require-client-classes": [ "late" ], + + // Subnet prefix. + "subnet": "2001:db8::/32", + + // Subnet level valid lifetime. + "valid-lifetime": 6000 + } + ], + + // Shared network level valid lifetime. + "valid-lifetime": 6001 + } + ], + + // List of IPv6 subnets which don't belong to any shared network. + "subnet6": [], + + // Global valid lifetime value. + "valid-lifetime": 6000 + }, + + // Logging configuration begins here. + "Logging": { + + // List of loggers used by the servers using this configuration file. + "loggers": [ + { + // Debug level, a value between 0..99. The greater the value + // the more detailed debug log. + "debuglevel": 99, + + // Name of the logger. + "name": "kea-dhcp6", + + // Configures how the log should be output. + "output_options": [ + { + // Determines whether the log should flushed to a file. + "flush": true, + + // Specifies maximum filesize before the file is being rotated. + "maxsize": 10240000, + + // Specifies the maximum number of rotated files being kept. + "maxver": 1, + + // Specifies logging destination. + "output": "stdout" + } + ], + + // Specifies logging severity, i.e. "ERROR", "WARN", "INFO", "DEBUG". + "severity": "INFO" + } + ] + } }