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--[[
Copyright (c) 2022, Vsevolod Stakhov <vsevolod@rspamd.com>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
]]--
local rspamd_logger = require "rspamd_logger"
local rspamd_util = require "rspamd_util"
local rspamd_regexp = require "rspamd_regexp"
local argparse = require "argparse"
-- Define command line options
local parser = argparse()
:name "rspamadm configgraph"
:description "Produces graph of Rspamd includes"
:help_description_margin(30)
parser:option "-c --config"
:description "Path to config file"
:argname("<file>")
:default(rspamd_paths["CONFDIR"] .. "/" .. "rspamd.conf")
parser:flag "-a --all"
:description('Show all nodes, not just existing ones')
local function process_filename(fname)
local cdir = rspamd_paths['CONFDIR'] .. '/'
fname = fname:gsub(cdir, '')
return fname
end
local function output_dot(opts, nodes, adjacency)
rspamd_logger.messagex("digraph rspamd {")
for k, node in pairs(nodes) do
local attrs = { "shape=box" }
local skip = false
if node.exists then
if node.priority >= 10 then
attrs[#attrs + 1] = "color=red"
elseif node.priority > 0 then
attrs[#attrs + 1] = "color=blue"
end
else
if opts.all then
attrs[#attrs + 1] = "style=dotted"
else
skip = true
end
end
if not skip then
rspamd_logger.messagex("\"%s\" [%s];", process_filename(k),
table.concat(attrs, ','))
end
end
for _, adj in ipairs(adjacency) do
local attrs = {}
local skip = false
if adj.to.exists then
if adj.to.merge then
attrs[#attrs + 1] = "arrowhead=diamond"
attrs[#attrs + 1] = "label=\"+\""
elseif adj.to.priority > 1 then
attrs[#attrs + 1] = "color=red"
end
else
if opts.all then
attrs[#attrs + 1] = "style=dotted"
else
skip = true
end
end
if not skip then
rspamd_logger.messagex("\"%s\" -> \"%s\" [%s];", process_filename(adj.from),
adj.to.short_path, table.concat(attrs, ','))
end
end
rspamd_logger.messagex("}")
end
local function load_config_traced(opts)
local glob_traces = {}
local adjacency = {}
local nodes = {}
local function maybe_match_glob(file)
for _, gl in ipairs(glob_traces) do
if gl.re:match(file) then
return gl
end
end
return nil
end
local function add_dep(from, node, args)
adjacency[#adjacency + 1] = {
from = from,
to = node,
args = args
}
end
local function process_node(fname, args)
local node = nodes[fname]
if not node then
node = {
path = fname,
short_path = process_filename(fname),
exists = rspamd_util.file_exists(fname),
merge = args.duplicate and args.duplicate == 'merge',
priority = args.priority or 0,
glob = args.glob,
try = args.try,
}
nodes[fname] = node
end
return node
end
local function trace_func(cur_file, included_file, args, parent)
if args.glob then
glob_traces[#glob_traces + 1] = {
re = rspamd_regexp.import_glob(included_file, ''),
parent = cur_file,
args = args,
seen = {},
}
else
local node = process_node(included_file, args)
if opts.all or node.exists then
local gl_parent = maybe_match_glob(included_file)
if gl_parent and not gl_parent.seen[cur_file] then
add_dep(gl_parent.parent, nodes[cur_file], gl_parent.args)
gl_parent.seen[cur_file] = true
end
add_dep(cur_file, node, args)
end
end
end
local _r, err = rspamd_config:load_ucl(opts['config'], trace_func)
if not _r then
rspamd_logger.errx('cannot parse %s: %s', opts['config'], err)
os.exit(1)
end
output_dot(opts, nodes, adjacency)
end
local function handler(args)
local res = parser:parse(args)
load_config_traced(res)
end
return {
handler = handler,
description = parser._description,
name = 'configgraph'
}
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