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git mv Ingress ingress

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Prashanth Balasubramanian 2016-02-21 16:13:08 -08:00
parent 34b949c134
commit 3da4e74e5a
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controllers/nginx-third-party/lua/vendor/lua-resty-dns-cache/t/04-repopulate.t vendored Normal file
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use lib 't';
use TestDNS;
use Cwd qw(cwd);
plan tests => repeat_each() * 17;
my $pwd = cwd();
our $HttpConfig = qq{
lua_package_path "$pwd/lib/?.lua;;";
lua_socket_log_errors off;
};
no_long_string();
run_tests();
__DATA__
=== TEST 1: Query is triggered when cache is expired
--- http_config eval
"$::HttpConfig"
. q{
lua_shared_dict dns_cache 1m;
init_by_lua '
local DNS_Cache = require("resty.dns.cache")
DNS_Cache.init_cache()
';
}
--- config
location /t {
content_by_lua '
local DNS_Cache = require("resty.dns.cache")
local dns, err = DNS_Cache.new({
dict = "dns_cache",
resolver = {nameservers = {{"127.0.0.1", "1953"}}},
max_stale = 10
})
if not dns then
ngx.say(err)
end
dns.resolver._id = 125
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
ngx.say(err)
end
local cjson = require"cjson"
ngx.say(cjson.encode(answer))
dns._debug(true)
-- Sleep beyond response TTL
ngx.sleep(1.1)
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
if stale then
answer = stale
else
ngx.say(err)
end
end
local cjson = require"cjson"
ngx.say(cjson.encode(answer))
ngx.sleep(0.1)
';
}
--- udp_listen: 1953
--- udp_reply dns
{
id => 125,
opcode => 0,
qname => 'www.google.com',
answer => [{ name => "www.google.com", ipv4 => "127.0.0.1", ttl => 1 }],
}
--- request
GET /t
--- error_log
Returning STALE
Attempting to repopulate 'www.google.com'
Repopulating 'www.google.com'
--- response_body
[{"address":"127.0.0.1","type":1,"class":1,"name":"www.google.com","ttl":1}]
[{"address":"127.0.0.1","type":1,"class":1,"name":"www.google.com","ttl":0}]
=== TEST 2: Query is not triggered when cache expires and max_stale is disabled
--- http_config eval
"$::HttpConfig"
. q{
lua_shared_dict dns_cache 1m;
init_by_lua '
local DNS_Cache = require("resty.dns.cache")
DNS_Cache.init_cache()
';
}
--- config
location /t {
content_by_lua '
local DNS_Cache = require("resty.dns.cache")
local dns, err = DNS_Cache.new({
dict = "dns_cache",
resolver = {nameservers = {{"127.0.0.1", "1953"}}, retrans = 1, timeout = 50 },
max_stale = 0
})
if not dns then
ngx.say(err)
end
dns.resolver._id = 125
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
ngx.say(err)
end
dns._debug(true)
-- Sleep beyond response TTL
ngx.sleep(1.1)
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
if stale then
answer = stale
else
ngx.say(err)
end
end
local cjson = require"cjson"
ngx.say(cjson.encode(answer))
ngx.sleep(0.1)
';
}
--- udp_listen: 1953
--- udp_reply dns
{
id => 125,
opcode => 0,
qname => 'www.google.com',
answer => [{ name => "www.google.com", ipv4 => "127.0.0.1", ttl => 1 }],
}
--- request
GET /t
--- no_error_log
Attempting to repopulate 'www.google.com'
Repopulating 'www.google.com'
--- response_body
[{"address":"127.0.0.1","type":1,"class":1,"name":"www.google.com","ttl":0}]
=== TEST 3: Repopulate ignores max_stale
--- http_config eval
"$::HttpConfig"
. q{
lua_shared_dict dns_cache 1m;
init_by_lua '
local DNS_Cache = require("resty.dns.cache")
DNS_Cache.init_cache()
';
}
--- config
location /t {
content_by_lua '
local DNS_Cache = require("resty.dns.cache")
local dns, err = DNS_Cache.new({
dict = "dns_cache",
resolver = {nameservers = {{"127.0.0.1", "1953"}}, retrans = 1, timeout = 50 },
max_stale = 10,
})
if not dns then
ngx.say(err)
end
dns.resolver._id = 125
dns._debug(true)
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
ngx.say(err)
end
-- Sleep beyond response TTL
ngx.sleep(1.1)
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
if stale then
answer = stale
else
ngx.say(err)
end
end
local cjson = require"cjson"
ngx.say(cjson.encode(answer))
ngx.sleep(0.1)
';
}
--- udp_listen: 1953
--- udp_reply dns
{
id => 125,
opcode => 0,
qname => 'www.google.com',
answer => [{ name => "www.google.com", ipv4 => "127.0.0.1", ttl => 1 }],
}
--- request
GET /t
--- error_log
Repopulating 'www.google.com'
Querying: www.google.com
Resolver error
--- response_body
[{"address":"127.0.0.1","type":1,"class":1,"name":"www.google.com","ttl":0}]
=== TEST 4: Multiple queries only trigger 1 repopulate timer
--- http_config eval
"$::HttpConfig"
. q{
lua_shared_dict dns_cache 1m;
init_by_lua '
local DNS_Cache = require("resty.dns.cache")
DNS_Cache.init_cache()
';
}
--- config
location /t {
content_by_lua '
local DNS_Cache = require("resty.dns.cache")
local dns, err = DNS_Cache.new({
dict = "dns_cache",
resolver = {nameservers = {{"127.0.0.1", "1953"}}, retrans = 1, timeout = 50 },
repopulate = true,
})
if not dns then
ngx.say(err)
end
dns.resolver._id = 125
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
ngx.say(err)
end
dns._debug(true)
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
ngx.say(err)
end
local answer, err, stale = dns:query("www.google.com", { qtype = dns.TYPE_A })
if not answer then
ngx.say(err)
end
local cjson = require"cjson"
ngx.say(cjson.encode(answer))
';
}
--- udp_listen: 1953
--- udp_reply dns
{
id => 125,
opcode => 0,
qname => 'www.google.com',
answer => [{ name => "www.google.com", ipv4 => "127.0.0.1", ttl => 1 }],
}
--- request
GET /t
--- no_error_log
Attempting to repopulate www.google.com
--- response_body
[{"address":"127.0.0.1","type":1,"class":1,"name":"www.google.com","ttl":1}]