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DOC: config: unify sample conv|fetches optional arguments syntax
The most common way (and proper way it seems) to declare optional arguments in sample fetch or converters' prototype is to declare them between square brackets, including the leading coma (because the coma should be omitted if the argument is not provided). Also, when multiple optional arguments are found, we should apply the same logic but recursively. In this patch we fix prototypes that include optional arguments and don't follow this syntax. This improves readibility and sets the norm for upcoming sample fetches/converters.
This commit is contained in:
Aurelien DARRAGON
parent
e6429166b9
commit
dfdee47a8e
@ -15290,7 +15290,7 @@ do-log
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tcp-request connection do-log #uses special log-profile format
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tcp-request content do-log #uses proxy logformat
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do-resolve(<var>,<resolvers>,[ipv4,ipv6]) <expr>
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do-resolve(<var>,<resolvers>[,ipv4|ipv6]) <expr>
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Usable in: QUIC Ini| TCP RqCon| RqSes| RqCnt| RsCnt| HTTP Req| Res| Aft
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- | - | - | X | - | X | - | -
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@ -20060,19 +20060,19 @@ The following keywords are supported:
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------------------------------------------------+-------------+----------------
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51d.single(prop[,prop*]) string string
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add(value) integer integer
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add_item(delim,[var][,suff]]) string string
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add_item(delim[,var[,suff]]) string string
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aes_gcm_dec(bits,nonce,key,aead_tag) binary binary
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aes_gcm_enc(bits,nonce,key,aead_tag) binary binary
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and(value) integer integer
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b64dec string binary
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base64 binary string
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be2dec(separator,chunk_size,[truncate]) binary string
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be2hex([separator],[chunk_size],[truncate]) binary string
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be2dec(separator,chunk_size[,truncate]) binary string
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be2hex([separator[,chunk_size[,truncate]]]) binary string
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bool integer boolean
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bytes(offset[,length]) binary binary
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capture-req(id) string string
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capture-res(id) string string
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concat([start],[var],[end]) string string
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concat([start[,var[,end]]]) string string
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cpl integer integer
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crc32([avalanche]) binary integer
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crc32c([avalanche]) binary integer
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@ -20093,14 +20093,14 @@ hex2i binary integer
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hmac(algorithm,key) binary binary
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host_only string string
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htonl integer integer
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http_date([offset],[unit]) integer string
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http_date([offset[,unit]]) integer string
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iif(true,false) boolean string
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in_table(table) string boolean
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ipmask(mask4,[mask6]) address address
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ipmask(mask4[,mask6]) address address
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json([input-code]) string string
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json_query(json_path,[output_type]) string _outtype_
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jwt_header_query([json_path],[output_type]) string string
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jwt_payload_query([json_path],[output_type]) string string
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json_query(json_path[,output_type]) string _outtype_
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jwt_header_query([json_path[,output_type]]) string string
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jwt_payload_query([json_path[,output_type]]) string string
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-- keyword -------------------------------------+- input type + output type -
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jwt_verify(alg,key) string integer
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language(value[,default]) string string
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@ -20123,9 +20123,9 @@ not integer boolean
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odd integer boolean
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or(value) integer integer
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-- keyword -------------------------------------+- input type + output type -
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param(name,[delim]) string string
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param(name[,delim]) string string
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port_only string integer
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protobuf(field_number,[field_type]) binary binary
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protobuf(field_number[,field_type]) binary binary
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regsub(regex,subst[,flags]) string string
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rfc7239_field(field) string string
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rfc7239_is_valid string boolean
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@ -20175,7 +20175,7 @@ table_sess_rate(table) string integer
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table_trackers(table) string integer
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ub64dec string string
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ub64enc string string
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ungrpc(field_number,[field_type]) binary binary / int
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ungrpc(field_number[,field_type]) binary binary / int
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unset-var(var) any same
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upper string string
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url_dec([in_form]) string string
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@ -20217,7 +20217,7 @@ add(<value>)
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result as a signed integer. <value> can be a numeric value or a variable
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name. See section 2.8 about variables for details.
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add_item(<delim>,[<var>][,<suff>]])
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add_item(<delim>[,<var>[,<suff>]])
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Concatenates a minimum of 2 and up to 3 fields after the current sample which
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is then turned into a string. The first one, <delim>, is a constant string,
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that will be appended immediately after the existing sample if an existing
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@ -20288,7 +20288,7 @@ base64
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an SSL ID can be copied in a header). For base64url("URL and Filename
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Safe Alphabet" (RFC 4648)) variant see "ub64enc".
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be2dec(<separator>,<chunk_size>,[<truncate>])
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be2dec(<separator>,<chunk_size>[,<truncate>])
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Converts big-endian binary input sample to a string containing an unsigned
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integer number per <chunk_size> input bytes. <separator> is put every
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<chunk_size> binary input bytes if specified. <truncate> flag indicates
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@ -20301,7 +20301,7 @@ be2dec(<separator>,<chunk_size>,[<truncate>])
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bin(01020304050607),be2dec(,2,1) # 2587721286
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bin(7f000001),be2dec(.,1) # 127.0.0.1
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be2hex([<separator>],[<chunk_size>],[<truncate>])
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be2hex([<separator>[,<chunk_size>[,<truncate>]]])
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Converts big-endian binary input sample to a hex string containing two hex
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digits per input byte. It is used to log or transfer hex dumps of some
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binary input data in a way that can be reliably transferred (e.g. an SSL ID
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@ -20356,7 +20356,7 @@ capture-res(<id>)
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"http-response capture", "capture.req.hdr" and
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"capture.res.hdr" (sample fetches).
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concat([<start>],[<var>],[<end>])
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concat([<start>[,<var>[,<end>]]])
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Concatenates up to 3 fields after the current sample which is then turned to
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a string. The first one, <start>, is a constant string, that will be appended
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immediately after the existing sample. It may be omitted if not used. The
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@ -20575,7 +20575,7 @@ htonl
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this converter is used, the input integer value is first casted to an
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unsigned 32-bit integer.
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http_date([<offset],[<unit>])
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http_date([<offset[,<unit>]])
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Converts an integer supposed to contain a date since epoch to a string
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representing this date in a format suitable for use in HTTP header fields. If
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an offset value is specified, then it is added to the date before the
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@ -20601,7 +20601,7 @@ in_table(<table>)
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the presence of a certain key in a table tracking some elements (e.g. whether
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or not a source IP address or an Authorization header was already seen).
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ipmask(<mask4>,[<mask6>])
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ipmask(<mask4>[,<mask6>])
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Apply a mask to an IP address, and use the result for lookups and storage.
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This can be used to make all hosts within a certain mask to share the same
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table entries and as such use the same server. The mask4 can be passed in
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@ -20650,7 +20650,7 @@ json([<input-code>])
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Output log:
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{"ip":"127.0.0.1","user-agent":"Very \"Ugly\" UA 1\/2"}
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json_query(<json_path>,[<output_type>])
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json_query(<json_path>[,<output_type>])
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The json_query converter supports the JSON types string, boolean, number
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and array. Floating point numbers will be returned as a string. By
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specifying the output_type 'int' the value will be converted to an
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@ -20682,7 +20682,7 @@ json_query(<json_path>,[<output_type>])
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# get the value of the key 'iss' from a JWT Bearer token
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http-request set-var(txn.token_payload) req.hdr(Authorization),word(2,.),ub64dec,json_query('$.iss')
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jwt_header_query([<json_path>],[<output_type>])
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jwt_header_query([<json_path>[,<output_type>]])
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When given a JSON Web Token (JWT) in input, either returns the decoded header
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part of the token (the first base64-url encoded part of the JWT) if no
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parameter is given, or performs a json_query on the decoded header part of
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@ -20692,7 +20692,7 @@ jwt_header_query([<json_path>],[<output_type>])
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Please note that this converter is only available when HAProxy has been
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compiled with USE_OPENSSL.
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jwt_payload_query([<json_path>],[<output_type>])
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jwt_payload_query([<json_path>[,<output_type>]])
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When given a JSON Web Token (JWT) in input, either returns the decoded
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payload part of the token (the second base64-url encoded part of the JWT) if
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no parameter is given, or performs a json_query on the decoded payload part
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@ -21059,7 +21059,7 @@ or(<value>)
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integer, and returns the result as an signed integer. <value> can be a
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numeric value or a variable name. See section 2.8 about variables for details.
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param(<name>,[<delim>])
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param(<name>[,<delim>])
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This extracts the first occurrence of the parameter <name> in the input string
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where parameters are delimited by <delim>, which defaults to "&", and the name
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and value of the parameter are separated by a "=". If there is no "=" and
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@ -21096,7 +21096,7 @@ port_only
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See also: "host_only" converter which will return the host.
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protobuf(<field_number>,[<field_type>])
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protobuf(<field_number>[,<field_type>])
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This extracts the protocol buffers message field in raw mode of an input binary
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sample representation of a protocol buffer message with <field_number> as field
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number (dotted notation) if <field_type> is not present, or as an integer sample
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@ -21623,7 +21623,7 @@ ub64dec
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ub64enc
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This converter is the base64url variant of base64 converter.
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ungrpc(<field_number>,[<field_type>])
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ungrpc(<field_number>[,<field_type>])
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This extracts the protocol buffers message field in raw mode of an input binary
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sample representation of a gRPC message with <field_number> as field number
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(dotted notation) if <field_type> is not present, or as an integer sample if this
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@ -21964,7 +21964,7 @@ connslots([<backend>]) integer
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cpu_calls integer
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cpu_ns_avg integer
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cpu_ns_tot integer
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date([<offset>],[<unit>]) integer
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date([<offset>[,<unit>]]) integer
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date_us integer
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env(<name>) string
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fe_conn([<frontend>]) integer
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@ -22152,7 +22152,7 @@ cpu_ns_tot : integer
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high cpu_calls count, for example when processing many HTTP chunks, and for
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this reason it is often preferred to log cpu_ns_avg instead.
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date([<offset>],[<unit>]) : integer
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date([<offset>[,<unit>]]) : integer
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Returns the current date as the epoch (number of seconds since 01/01/1970).
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If an offset value is specified, then it is added to the current date before
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@ -22773,13 +22773,13 @@ so_name string
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src ip
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src_bytes_in_rate([<table>]) integer
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src_bytes_out_rate([<table>]) integer
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src_clr_gpc(<idx>,[<table>]) integer
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src_clr_gpc(<idx>[,<table>]) integer
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src_clr_gpc0([<table>]) integer
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src_clr_gpc1([<table>]) integer
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src_conn_cnt([<table>]) integer
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src_conn_cur([<table>]) integer
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src_conn_rate([<table>]) integer
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src_get_gpc(<idx>,[<table>]) integer
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src_get_gpc(<idx>[,<table>]) integer
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src_get_gpc0([<table>]) integer
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src_get_gpc1([<table>]) integer
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src_get_gpt(<idx>[,<table>]) integer
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@ -22795,7 +22795,7 @@ src_http_fail_cnt([<table>]) integer
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src_http_fail_rate([<table>]) integer
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src_http_req_cnt([<table>]) integer
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src_http_req_rate([<table>]) integer
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src_inc_gpc(<idx>,[<table>]) integer
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src_inc_gpc(<idx>[,<table>]) integer
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src_inc_gpc0([<table>]) integer
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src_inc_gpc1([<table>]) integer
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src_is_local boolean
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@ -23656,7 +23656,7 @@ src_bytes_out_rate([<table>]) : integer
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amount of bytes over the period configured in the table. If the address is
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not found, zero is returned. See also sc/sc0/sc1/sc2_bytes_out_rate.
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src_clr_gpc(<idx>,[<table>]) : integer
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src_clr_gpc(<idx>[,<table>]) : integer
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Clears the General Purpose Counter at the index <idx> of the array
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associated to the incoming connection's source address in the current proxy's
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stick-table or in the designated stick-table <table>, and returns its
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@ -23709,7 +23709,7 @@ src_conn_rate([<table>]) : integer
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measured in amount of connections over the period configured in the table. If
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the address is not found, zero is returned. See also sc/sc0/sc1/sc2_conn_rate.
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src_get_gpc(<idx>,[<table>]) : integer
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src_get_gpc(<idx>[,<table>]) : integer
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Returns the value of the General Purpose Counter at the index <idx> of the
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array associated to the incoming connection's source address in the
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current proxy's stick-table or in the designated stick-table <table>. <idx>
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@ -23841,7 +23841,7 @@ src_http_req_rate([<table>]) : integer
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table. This includes every started request, valid or not. If the address is
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not found, zero is returned. See also sc/sc0/sc1/sc2_http_req_rate.
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src_inc_gpc(<idx>,[<table>]) : integer
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src_inc_gpc(<idx>[,<table>]) : integer
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Increments the General Purpose Counter at index <idx> of the array
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associated to the incoming connection's source address in the current proxy's
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stick-table or in the designated stick-table <table>, and returns its new
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