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06-cluster.t
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06-cluster.t
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# vim:set ts=4 sw=4 et fdm=marker:
use lib '.';
use Test::Nginx::Socket::Lua;
use t::Util;
our $HttpConfig = $t::Util::HttpConfig;
plan tests => repeat_each() * (blocks() * 3 + 3);
run_tests();
__DATA__
=== TEST 1: Cluster module fields
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
ngx.say(Cluster._VERSION)
}
}
--- request
GET /t
--- response_body_like
[0-9]\.[0-9]\.[0-9]
--- no_error_log
[error]
=== TEST 2: cluster.new() invalid opts
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new('')
if not cluster then
ngx.say(err)
end
cluster, err = Cluster.new({shm = true})
if not cluster then
ngx.say(err)
end
cluster, err = Cluster.new({shm = 'invalid_shm'})
if not cluster then
ngx.say(err)
end
cluster, err = Cluster.new({keyspace = 123})
if not cluster then
ngx.say(err)
end
cluster, err = Cluster.new({timeout_read = 'foo'})
if not cluster then
ngx.say(err)
end
cluster, err = Cluster.new({timeout_connect = 'foo'})
if not cluster then
ngx.say(err)
end
}
}
--- request
GET /t
--- response_body
opts must be a table
shm must be a string
no shared dict invalid_shm
keyspace must be a string
timeout_read must be a number
timeout_connect must be a number
--- no_error_log
[error]
=== TEST 3: cluster.new() default opts
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
}
}
--- request
GET /t
--- response_body
--- no_error_log
[error]
=== TEST 4: cluster.new() retry_on_timeout opts
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
ngx.say('default: ', cluster.retry_on_timeout)
cluster, err = Cluster.new({retry_on_timeout = false})
if not cluster then
ngx.log(ngx.ERR, err)
return
end
ngx.say('false opt: ', cluster.retry_on_timeout)
cluster, err = Cluster.new {retry_on_timeout = true}
if not cluster then
ngx.log(ngx.ERR, err)
return
end
ngx.say('true opt: ', cluster.retry_on_timeout)
}
}
--- request
GET /t
--- response_body
default: true
false opt: false
true opt: true
--- no_error_log
[error]
=== TEST 5: cluster.new() peers opts and keyspace
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local cassandra = require 'cassandra'
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new {
keyspace = 'system',
ssl = true,
verify = true,
auth = cassandra.auth_providers.plain_text('cassandra', 'cassandra')
}
if not cluster then
ngx.log(ngx.ERR, err)
return
end
ngx.say('keyspace: ', cluster.keyspace)
ngx.say('ssl: ', cluster.peers_opts.ssl)
ngx.say('verify: ', cluster.peers_opts.verify)
ngx.say('auth: ', type(cluster.peers_opts.auth))
}
}
--- request
GET /t
--- response_body
keyspace: system
ssl: true
verify: true
auth: table
--- no_error_log
[error]
=== TEST 6: cluster.refresh() with invalid contact_points
--- http_config eval
qq {
$::HttpConfig
lua_socket_log_errors off;
}
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new {
contact_points = {'255.255.255.254'},
timeout_connect = 10
}
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local ok, err = cluster:refresh()
ngx.say(ok)
ngx.say(err)
}
}
--- request
GET /t
--- response_body
nil
all hosts tried for query failed. 255.255.255.254: host seems unhealthy, considering it down (timeout)
--- no_error_log
[error]
=== TEST 7: cluster.refresh() sets hosts in shm
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, 'could not spawn cluster: ', err)
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
end
local shm = ngx.shared.cassandra
local keys = shm:get_keys()
assert(#keys > 0)
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, 'could not get shm peers: ', err)
end
for i = 1, #peers do
local p = peers[i]
ngx.say(p.host..' '..p.unhealthy_at..' '..p.reconn_delay, ' ', p.up)
end
}
}
--- request
GET /t
--- response_body
127.0.0.3 0 0 true
127.0.0.2 0 0 true
127.0.0.1 0 0 true
--- no_error_log
[error]
=== TEST 8: cluster.refresh() sets hosts in a custom shm
--- http_config eval
qq{
$::HttpConfig
lua_shared_dict custom 1m;
}
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new {
shm = 'custom'
}
if not cluster then
ngx.log(ngx.ERR, 'could not spawn cluster: ', err)
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
end
local shm = ngx.shared.custom
local keys = shm:get_keys()
assert(#keys > 0)
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, 'could not get shm peers: ', err)
end
for i = 1, #peers do
local p = peers[i]
ngx.say(p.host..' '..p.unhealthy_at..' '..p.reconn_delay, ' ', p.up)
end
}
}
--- request
GET /t
--- response_body
127.0.0.3 0 0 true
127.0.0.2 0 0 true
127.0.0.1 0 0 true
--- no_error_log
[error]
=== TEST 9: cluster.refresh() sets data_center/release_version of each host
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, 'could not spawn cluster: ', err)
return
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
return
end
local shm = ngx.shared.cassandra
local keys = shm:get_keys()
assert(#keys > 0)
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, 'could not get shm peers: ', err)
return
end
for i = 1, #peers do
local p = peers[i]
ngx.say(p.host, ' ', p.data_center, ' ', p.release_version)
end
}
}
--- request
GET /t
--- response_body_like
\d+\.\d+\.\d+\.\d+.*?\S+.*?\d+\.\d+\.?\d*
\d+\.\d+\.\d+\.\d+.*?\S+.*?\d+\.\d+\.?\d*
\d+\.\d+\.\d+\.\d+.*?\S+.*?\d+\.\d+\.?\d*
--- no_error_log
[error]
=== TEST 10: cluster.refresh() sets protocol_version
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, 'could not spawn cluster: ', err)
return
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
return
end
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, 'could not get shm peers: ', err)
return
end
ngx.say('protocol_version: ', peers.protocol_version)
}
}
--- request
GET /t
--- response_body_like
protocol_version: \d
--- no_error_log
[error]
=== TEST 11: cluster.refresh() inits cluster topology
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, 'could not spawn cluster: ', err)
end
if cluster.init then
ngx.log(ngx.ERR, 'cluster already init')
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, 'could not refresh: ', err)
end
ngx.say('topo_ver: ', cluster.topo_ver)
}
}
--- request
GET /t
--- response_body
topo_ver: 1
--- no_error_log
[error]
=== TEST 12: cluster.refresh() does not remove old peers details/status
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
-- insert fake peers
cluster:set_peer('127.0.0.253', true, 0, 0, 'foocenter1', nil, '0.0')
cluster:set_peer('127.0.0.254', true, 0, 0, 'foocenter1', nil, '0.0')
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, err)
return
end
for i = 1, #peers do
local p = peers[i]
ngx.say(p.host, ' ', p.up)
end
ngx.say('status: ', cluster.shm:get('127.0.0.253'))
ngx.say('status: ', cluster.shm:get('127.0.0.254'))
local peer, err = cluster:get_peer('127.0.0.253')
ngx.say('peer.host: ', peer.host)
local peer, err = cluster:get_peer('127.0.0.254')
ngx.say('peer.host: ', peer.host)
}
}
--- request
GET /t
--- response_body
127.0.0.3 true
127.0.0.2 true
127.0.0.1 true
status: true
status: true
peer.host: 127.0.0.253
peer.host: 127.0.0.254
--- no_error_log
[error]
=== TEST 13: cluster.refresh() does not alter existing peers records and status
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
end
-- insert previous peers with some infos
cluster:set_peer('127.0.0.1', false, 1000, 1461030739000, '', '', '')
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, err)
return
end
for i = 1, #peers do
ngx.say(peers[i].host)
end
local peer_rec, err = cluster:get_peer('127.0.0.1')
if not peer_rec then
ngx.log(ngx.ERR, err)
return
end
ngx.say('infos: ', peer_rec.reconn_delay, ' ', peer_rec.unhealthy_at)
ngx.say('up: ', peer_rec.up)
}
}
--- request
GET /t
--- response_body
127.0.0.3
127.0.0.2
127.0.0.1
infos: 1000 1461030739000
up: false
--- no_error_log
[error]
=== TEST 14: cluster.refresh() can be called while executing queries
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
ngx.say('topo_ver: ', cluster.topo_ver)
local t, err = ngx.thread.spawn(function()
while true do
local res, err = cluster:execute("SELECT * FROM system.local")
if not res then
ngx.log(ngx.ERR, err)
end
ngx.sleep(0.001)
end
end)
if not t then
ngx.log(ngx.ERR, err)
return
end
for i = 1, 3 do
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
end
ngx.say('topo_ver: ', cluster.topo_ver)
ngx.thread.kill(t)
}
}
--- request
GET /t
--- response_body
topo_ver: 1
topo_ver: 1
--- error_log
changes detected in topology: no (ver_refresh=2)
changes detected in topology: no (ver_refresh=3)
changes detected in topology: no (ver_refresh=4)
--- no_error_log
[error]
=== TEST 15: cluster.refresh() returns topology changes
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
end
local ok, err, topology = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
ngx.say("added peers: ", #topology.added)
ngx.say("removed peers: ", #topology.removed)
local ok, err, topology = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
ngx.say("added peers: ", #topology.added)
ngx.say("removed peers: ", #topology.removed)
}
}
--- request
GET /t
--- response_body
added peers: 3
removed peers: 0
added peers: 0
removed peers: 0
--- no_error_log
[error]
=== TEST 16: get_peers() corrupted shm
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
cluster.shm:set('host:rec:127.0.0.1', false)
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, err)
end
}
}
--- request
GET /t
--- response_body
--- error_log
corrupted shm
=== TEST 17: get_peers() returns nil if no peers
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local peers, err = cluster:get_peers()
if err then
ngx.log(ngx.ERR, err)
return
end
ngx.say('is nil: ', peers == nil)
}
}
--- request
GET /t
--- response_body
is nil: true
--- no_error_log
[error]
=== TEST 18: set_peer_down()/set_peer_up()/can_try_peer() set shm booleans for nodes status
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
end
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, err)
end
for i = 1, #peers do
ok = cluster:can_try_peer(peers[i].host)
ngx.say(peers[i].host, ' default: ', ok)
ok, err = cluster:set_peer_down(peers[i].host)
if not ok then
ngx.log(ngx.ERR, err)
return
end
ok = cluster:can_try_peer(peers[i].host)
ngx.say(peers[i].host, ' after down: ', ok)
ok, err = cluster:set_peer_up(peers[i].host)
if not ok then
ngx.log(ngx.ERR, err)
return
end
ok = cluster:can_try_peer(peers[i].host)
ngx.say(peers[i].host, ' after up: ', ok)
end
}
}
--- request
GET /t
--- response_body
127.0.0.3 default: true
127.0.0.3 after down: false
127.0.0.3 after up: true
127.0.0.2 default: true
127.0.0.2 after down: false
127.0.0.2 after up: true
127.0.0.1 default: true
127.0.0.1 after down: false
127.0.0.1 after up: true
--- no_error_log
[error]
=== TEST 19: set_peer_down()/set_peer_up() use existing host details if exists
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
local peers, err = cluster:get_peers()
if not peers then
ngx.log(ngx.ERR, err)
return
end
for i = 1, #peers do
ok, err = cluster:set_peer_down(peers[i].host)
if not ok then
ngx.log(ngx.ERR, err)
return
end
local peer, err = cluster:get_peer(peers[i].host)
if not peer then
ngx.log(ngx.ERR, err)
return
end
ngx.say(peer.host, ' after down: ', peer.data_center, ' ', peer.release_version)
ok, err = cluster:set_peer_up(peers[i].host)
if not ok then
ngx.log(ngx.ERR, err)
return
end
peer, err = cluster:get_peer(peers[i].host)
if not peer then
ngx.log(ngx.ERR, err)
return
end
ngx.say(peer.host, ' after up: ', peer.data_center, ' ', peer.release_version)
end
}
}
--- request
GET /t
--- response_body_like
127\.0\.0\.3 after down: datacenter1 \d+\.\d+\.?\d*
127\.0\.0\.3 after up: datacenter1 \d+\.\d+\.?\d*
127\.0\.0\.2 after down: datacenter1 \d+\.\d+\.?\d*
127\.0\.0\.2 after up: datacenter1 \d+\.\d+\.?\d*
127\.0\.0\.1 after down: datacenter1 \d+\.\d+\.?\d*
127\.0\.0\.1 after up: datacenter1 \d+\.\d+\.?\d*
--- no_error_log
[error]
=== TEST 20: set_peer_down()/set_peer_up() defaults hosts details if not exists
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local fixtures = {'127.0.0.253', '127.0.0.254'}
for i = 1, #fixtures do
ok, err = cluster:set_peer_down(fixtures[i])
if not ok then
ngx.log(ngx.ERR, err)
return
end
local peer, err = cluster:get_peer(fixtures[i])
if not peer then
ngx.log(ngx.ERR, err)
return
end
ngx.say(peer.host, ' after down: ', peer.up, ' ', peer.data_center,
' ', peer.release_version)
ok, err = cluster:set_peer_up(fixtures[i])
if not ok then
ngx.log(ngx.ERR, err)
return
end
peer, err = cluster:get_peer(fixtures[i])
if not peer then
ngx.log(ngx.ERR, err)
return
end
ngx.say(peer.host, ' after up: ', peer.up, ' ', peer.data_center,
' ', peer.release_version)
end
}
}
--- request
GET /t
--- response_body
127.0.0.253 after down: false nil nil
127.0.0.253 after up: true nil nil
127.0.0.254 after down: false nil nil
127.0.0.254 after up: true nil nil
--- no_error_log
[error]
=== TEST 21: set_peer_down()/set_peer_up() use reconnection policy (update peer_rec delays)
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local delay = cluster.reconn_policy:next_delay('foo')
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
ok, err = cluster:set_peer_down('127.0.0.1')
if not ok then
ngx.log(ngx.ERR, err)
return
end
local peer_rec, err = cluster:get_peer('127.0.0.1')
if not peer_rec then
ngx.log(ngx.ERR, err)
return
end
ngx.say('down')
ngx.say('unhealthy_at: ', peer_rec.unhealthy_at > 0)
ngx.say('reconn_delay: ', peer_rec.reconn_delay == delay)
local ok, err = cluster:set_peer_up('127.0.0.1')
if not ok then
ngx.log(ngx.ERR, err)
return
end
peer_rec, err = cluster:get_peer('127.0.0.1')
if not peer_rec then
ngx.log(ngx.ERR, err)
return
end
ngx.say('up')
ngx.say('unhealthy_at: ', peer_rec.unhealthy_at)
ngx.say('reconn_delay: ', peer_rec.reconn_delay)
ok, err = cluster:set_peer_down('127.0.0.1')
if not ok then
ngx.log(ngx.ERR, err)
return
end
peer_rec, err = cluster:get_peer('127.0.0.1')
if not peer_rec then
ngx.log(ngx.ERR, err)
return
end
ngx.say('down again')
ngx.say('unhealthy_at: ', peer_rec.unhealthy_at > 0)
ngx.say('reconn_delay: ', peer_rec.reconn_delay == delay)
}
}
--- request
GET /t
--- response_body
down
unhealthy_at: true
reconn_delay: true
up
unhealthy_at: 0
reconn_delay: 0
down again
unhealthy_at: true
reconn_delay: true
--- no_error_log
[error]
=== TEST 22: can_try_peer() use reconnection policy to decide when node is down
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua_block {
local Cluster = require 'resty.cassandra.cluster'
local cluster, err = Cluster.new()
if not cluster then
ngx.log(ngx.ERR, err)
return
end
local ok, err = cluster:refresh()
if not ok then
ngx.log(ngx.ERR, err)
return
end
local ok, err, is_retry = cluster:can_try_peer('127.0.0.1')
if err then
ngx.log(ngx.ERR, err)
return
end
ngx.say('before down: ', ok, ' ', is_retry)
ok, err = cluster:set_peer_down('127.0.0.1')
if not ok then
ngx.log(ngx.ERR, err)
return
end
ok, err, is_retry = cluster:can_try_peer('127.0.0.1')