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#!/usr/bin/lua5.3
local json = require("cjson")
local inspect = require("inspect")
local lustache = require("lustache")
local utils = require("utils")
local outdir = "_out"
local mirrors_file = outdir.."/mirror-status.json"
function get_branches(indexes)
local res = {}
for k,v in ipairs(indexes.master.branch) do
table.insert(res, v.name)
end
return res
end
----
-- need to create one flipped table with both mirros and master
function flip_branches(branches)
local res = {}
for _,b in ipairs(branches) do
for _,r in ipairs(b.repo) do
for _,a in ipairs(r.arch) do
if type(res[b.name]) == "nil" then res[b.name] = {} end
if type(res[b.name][r.name]) == "nil" then
res[b.name][r.name] = {}
end
res[b.name][r.name][a.name] = a
end
end
end
return res
end
----
-- convert table to array (values to keys)
function get_repo_arch(indexes)
local t = {}
for _,b in ipairs(indexes.master.branch) do
for _,r in ipairs(b.repo) do
for _,a in ipairs(r.arch) do
if type(t[r.name]) == "nil" then t[r.name] = {} end
t[r.name][a.name] = 1
end
end
end
local res = {}
for repo in utils.kpairs(t, utils.sort_repo) do
for arch in utils.kpairs(t[repo], utils.sort_arch) do
table.insert(res, repo.."/"..arch)
end
end
return res
end
----
-- convert table to array (values to keys) for each mirror
function flip_mirrors(mirrors)
local res = {}
for _,m in ipairs(mirrors) do
res[m.url] = flip_branches(m.branch)
end
return res
end
----
-- format timestamp difference
function format_age(ts)
local res = {}
if ts < 3600 then
res.text = "OK"
res.class = "status-ok"
elseif ts < 86400 then
res.text = ("%dh"):format(math.ceil(ts/3600))
res.class = "status-warn"
elseif ts > 86400 then
res.text = ("%dd"):format(math.ceil(ts/86400))
res.class = "status-error"
end
return res
end
----
-- format status based on http status message
function format_status(status, age)
local res = {}
if status ~= "failed" then
if status == "200" then
res = format_age(age)
elseif status == "404" then
res.class = "status-na"
res.text = "N/A"
else
res.class = "status-unk"
res.text = status
end
else
res.class = "status-na"
res.text = "N/A"
end
return res
end
----
-- get status and format it based on http status and modified time
function get_status(fm, fb, mirror, branch, repo, arch)
local res = { text = "N/A", class = "status-na" }
if type(fm[mirror]) == "table" and
type(fm[mirror][branch]) == "table" and
type(fm[mirror][branch][repo]) == "table" and
type(fm[mirror][branch][repo][arch]) == "table" then
if type(fm[mirror][branch][repo][arch]) == "table" then
local status = fm[mirror][branch][repo][arch]
local age
if type(status.modified) == "number" then
age = fb[branch][repo][arch].modified - status.modified
end
res = format_status(status.status, age)
end
end
return res
end
----
-- build the html table
function build_tables(indexes)
local res = {}
local fm = flip_mirrors(indexes.mirrors)
local fb = flip_branches(indexes.master.branch)
for idx,mirror in ipairs(indexes.mirrors) do
local rows = {}
for _,ra in ipairs(get_repo_arch(indexes)) do
local repo, arch = ra:match("(.*)/(.*)")
local row = {}
table.insert(row, {text = ra})
for _,branch in ipairs(get_branches(indexes)) do
local status = get_status(fm, fb, mirror.url, branch, repo, arch)
table.insert(row, status)
end
table.insert(rows, { row = row })
end
res[idx] = {
url = mirror.url, tbody = rows, duration = mirror.duration,
count = mirror.count
}
end
return res
end
local indexes = json.decode(utils.read_file(mirrors_file))
local thead = get_branches(indexes)
table.insert(thead, 1, "branch/release")
local view = { lupdate = os.date("%c", indexes.date), mirrors = build_tables(indexes), thead = thead }
local tpl = utils.read_file("index.tpl")
utils.write_file(outdir.."/output.html", lustache:render(tpl, view))
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