Description

The routeflapper.conf configuration file is specified by this partial bnf description. The entire config file is case sensitive. All the keywords are lower case.

CONFIG    := {FILE}+
FILE      := "file" FILENAME "{" PATTERN+ "};"
PATTERN   := RESET | PATH | ANNOUNCE | WITHDRAW | IP
RESET     := "reset"    REGEX "{"  "}" ";"
PATH      := "path"     REGEX "{" INDEXPATH         "}" ";"
ANNOUNCE  := "announce" REGEX "{" INDEXVAL INDEXLEN "}" ";"
WITHDRAW  := "withdraw" REGEX "{" INDEXVAL INDEXLEN "}" ";"
IP        := "ip"       REGEX "{" INDEXIP           "}" ";"
INDEXPATH := "index_path"   REGEX-INTEGER-VALUE ";"
INDEXVAL  := "index_value"  REGEX-INTEGER-VALUE ";"
INDEXLEN  := "index_length" REGEX-INTEGER-VALUE ";"
INDEXIP   := "index_ip"     REGEX-INTEGER-VALUE ";"

Sample

file "/var/log/bgp" {
    reset "ADJCHANGE: neighbor .* Up" {};
    path " rcvd UPDATE w.* path (([0-9]| )*[0-9])" {
        index_path 1;
    };
    announce " rcvd (([0-9]|\.)*)/([0-9]*)$" {
        index_value  1;
        index_length 3;
    };
    withdraw " rcvd UPDATE about (([0-9]|\.)*)/([0-9]*) -- withdrawn" {
        index_value  1;
        index_length 3;
    };
};

file "/var/log/maillog" {
    ip "NOQUEUE: connect from.* \[(.*)\]" {
        index_ip 1;
    };
};

Version

1.0.1