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-- @@SHEBANG
-- -*- lua -*-
-- gitano-test-tool
--
-- Git (with) Augmented network operations -- testing tool
--
-- Copyright 2012 Daniel Silverstone <dsilvers@digital-scurf.org>
--
--
-- @@GITANO_LUA_PATH
local gitano = require "gitano"
local gall = require "gall"
local luxio = require "luxio"
local sio = require "luxio.simple"
local sp = require "luxio.subprocess"
-- @@GITANO_BIN_PATH
-- @@GITANO_SHARE_PATH
local argv = {...}
local basedir = (luxio.getenv "DATADIR") .. "/"
local function user_home(username)
return basedir .. "user-home-" .. username
end
local function ssh_base(username)
return user_home(username) .. "/.ssh"
end
local function ssh_key_file(username, keyname)
return ssh_base(username) .. "/" .. keyname
end
local function unix_assert(ret, errno)
if ret ~= 0 then
error(luxio.strerror(errno))
end
end
local function run_program(t)
local proc = sp.spawn_simple(t)
local how, why = proc:wait()
if how == -1 then
unix_assert(how, why)
end
if not (how == "exit" and why == 0) then
io.stderr:write(how .. ":" .. tostring(why).."\n")
os.exit(1)
end
end
local function esc_quote_all(t)
local tt = {}
for i = 1, #t do
tt[i] = ("%q"):format(t[i])
end
return table.concat(tt, " ")
end
local function load_auth(fname)
local fh = io.open(fname, "r")
local line = fh:read("*l")
local ret = {}
while line do
line = line:gsub("^ *", "")
line = line:gsub(" *$", "")
line = line:gsub("^#.*", "")
if line ~= "" then
local repopath, user, keyset, key =
line:match('^[^\\]+\\"([^"]+)\\" \\"([^"]+)\\" \\"([^"]+)\\""[^ ]+ (.+)$')
assert(repopath, line)
ret[#ret+1] = {
repopath = repopath,
user = user,
keyset = keyset,
key = key
}
ret[key] = ret[#ret]
end
line = fh:read("*l")
end
fh:close()
return ret
end
local function generate_exturl(user, key, repo)
local authkeys = load_auth(ssh_key_file("testinstance", "authorized_keys"))
local pubkey = (sio.open(ssh_key_file(user, key) .. ".pub", "r")):read("*l")
local authline = assert(authkeys[pubkey])
local extfmt = "ext::env HOME=%s SSH_CLIENT=%s SSH_ORIGINAL_COMMAND=%s %s %s %s %s"
local function esc(s)
return ((s:gsub("%%", "%%%%")):gsub(" ", "%% "))
end
return (extfmt):format(esc(user_home("testinstance")),
esc("10.0.0.1 1234"),
"%S% " .. esc(repo),
esc(gitano.config.lib_bin_path() .. "/gitano-auth"),
esc(authline.repopath),
esc(authline.user), esc(authline.keyset))
end
function cmd_createunixuser(username)
assert(sio.mkdir(user_home(username), "0755"))
assert(sio.mkdir(ssh_base(username), "0755"))
end
function cmd_createsshkey(username, keyname, optionaltype)
optionaltype = optionaltype or "rsa"
local targetkey = ssh_key_file(username, keyname)
local sourcekey = table.concat {
"testing/keys/", username, "@", keyname, "_", optionaltype }
local fh = io.open(sourcekey, "r")
if not fh then
run_program {
"ssh-keygen", "-q",
"-t", optionaltype,
"-C", username .. "-" .. optionaltype .. "@" .. keyname,
"-f", sourcekey,
"-N", "" }
fh = assert(io.open(sourcekey, "r"))
end
local ofh = assert(io.open(targetkey, "w"))
ofh:write(fh:read("*a"))
fh:close()
ofh:close()
fh = assert(io.open(sourcekey .. ".pub", "r"))
ofh = assert(io.open(targetkey .. ".pub", "w"))
ofh:write(fh:read("*a"))
fh:close()
ofh:close()
end
function cmd_setupstandard(owning_user, master_key)
local clodname = basedir .. "setup.clod"
local fh = io.open(clodname, "w")
fh:write('setup.batch "true"\n')
fh:write(('paths.pubkey %q\n'):format(ssh_key_file(owning_user, master_key) .. ".pub"))
fh:write(('paths.repos %q\n'):format(user_home(owning_user) .. "/repos"))
fh:write('site.name "Gitano Test Instance"\n')
fh:write('log.prefix "gitano-test"\n')
fh:write(('admin.keyname %q\n'):format(master_key))
fh:close()
run_program {
"gitano-setup", clodname,
exe = gitano.config.lib_bin_path() .. "/gitano-setup",
env = { HOME = user_home(owning_user) }
}
end
function cmd_cloneviassh(user, key, repo, localname)
local exturl = generate_exturl(user, key, repo)
run_program {
"git", "clone", exturl, user_home(user) .. "/" .. localname,
}
end
function cmd_cloneexists(user, localname)
run_program {
"git", "fsck", user_home(user) .. "/" .. localname
}
end
function cmd_pubkeyfilename(user, key)
print(ssh_key_file(user, key) .. ".pub")
end
function cmd_runcommand(user, key, ...)
local authkeys = load_auth(ssh_key_file("testinstance", "authorized_keys"))
local pubkey = (sio.open(ssh_key_file(user, key) .. ".pub", "r")):read("*l")
local authline = assert(authkeys[pubkey])
local cmdline = {
gitano.config.lib_bin_path() .. "/gitano-auth",
authline.repopath, authline.user, authline.keyset,
env = {HOME = user_home("testinstance"), SSH_CLIENT="10.0.0.1 1234"}
}
cmdline.env.SSH_ORIGINAL_COMMAND = esc_quote_all({...})
run_program(cmdline)
end
function cmd_clonelocation(user, localname)
print(user_home(user) .. "/" .. localname)
end
function cmd_findtoken()
local input = sio.stdin:read("*a")
local token = input:match("("..("[0-9a-f]"):rep(40)..")")
assert(token, "Cannot find a token")
print(token)
end
function cmd_serverlocation(repo)
local h = user_home("testinstance")
print(table.concat({h, "repos", repo}, "/"))
end
local cmd = table.remove(argv, 1)
if _G['cmd_' .. cmd] then
_G['cmd_' .. cmd](unpack(argv))
else
error("Unknown command: " .. cmd)
end
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