mirror of
https://github.com/caddyserver/caddy.git
synced 2024-12-28 06:33:47 +03:00
798 lines
23 KiB
Go
798 lines
23 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package reverseproxy
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/caddyserver/caddy/v2"
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"github.com/caddyserver/caddy/v2/caddyconfig"
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"github.com/caddyserver/caddy/v2/modules/caddyhttp"
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)
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func testPool() UpstreamPool {
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return UpstreamPool{
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{Host: new(Host), Dial: "0.0.0.1"},
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{Host: new(Host), Dial: "0.0.0.2"},
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{Host: new(Host), Dial: "0.0.0.3"},
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}
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}
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func TestRoundRobinPolicy(t *testing.T) {
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pool := testPool()
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rrPolicy := RoundRobinSelection{}
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req, _ := http.NewRequest("GET", "/", nil)
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h := rrPolicy.Select(pool, req, nil)
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// First selected host is 1, because counter starts at 0
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// and increments before host is selected
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if h != pool[1] {
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t.Error("Expected first round robin host to be second host in the pool.")
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}
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h = rrPolicy.Select(pool, req, nil)
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if h != pool[2] {
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t.Error("Expected second round robin host to be third host in the pool.")
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}
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h = rrPolicy.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected third round robin host to be first host in the pool.")
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}
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// mark host as down
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pool[1].setHealthy(false)
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h = rrPolicy.Select(pool, req, nil)
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if h != pool[2] {
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t.Error("Expected to skip down host.")
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}
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// mark host as up
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pool[1].setHealthy(true)
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h = rrPolicy.Select(pool, req, nil)
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if h == pool[2] {
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t.Error("Expected to balance evenly among healthy hosts")
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}
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// mark host as full
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pool[1].countRequest(1)
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pool[1].MaxRequests = 1
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h = rrPolicy.Select(pool, req, nil)
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if h != pool[2] {
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t.Error("Expected to skip full host.")
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}
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}
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func TestWeightedRoundRobinPolicy(t *testing.T) {
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pool := testPool()
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wrrPolicy := WeightedRoundRobinSelection{
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Weights: []int{3, 2, 1},
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totalWeight: 6,
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}
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req, _ := http.NewRequest("GET", "/", nil)
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h := wrrPolicy.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected first weighted round robin host to be first host in the pool.")
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}
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h = wrrPolicy.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected second weighted round robin host to be first host in the pool.")
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}
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// Third selected host is 1, because counter starts at 0
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// and increments before host is selected
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h = wrrPolicy.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected third weighted round robin host to be second host in the pool.")
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}
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h = wrrPolicy.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected fourth weighted round robin host to be second host in the pool.")
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}
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h = wrrPolicy.Select(pool, req, nil)
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if h != pool[2] {
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t.Error("Expected fifth weighted round robin host to be third host in the pool.")
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}
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h = wrrPolicy.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected sixth weighted round robin host to be first host in the pool.")
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}
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// mark host as down
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pool[0].setHealthy(false)
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h = wrrPolicy.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected to skip down host.")
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}
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// mark host as up
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pool[0].setHealthy(true)
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h = wrrPolicy.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected to select first host on availability.")
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}
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// mark host as full
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pool[1].countRequest(1)
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pool[1].MaxRequests = 1
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h = wrrPolicy.Select(pool, req, nil)
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if h != pool[2] {
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t.Error("Expected to skip full host.")
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}
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}
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func TestLeastConnPolicy(t *testing.T) {
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pool := testPool()
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lcPolicy := LeastConnSelection{}
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req, _ := http.NewRequest("GET", "/", nil)
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pool[0].countRequest(10)
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pool[1].countRequest(10)
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h := lcPolicy.Select(pool, req, nil)
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if h != pool[2] {
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t.Error("Expected least connection host to be third host.")
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}
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pool[2].countRequest(100)
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h = lcPolicy.Select(pool, req, nil)
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if h != pool[0] && h != pool[1] {
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t.Error("Expected least connection host to be first or second host.")
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}
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}
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func TestIPHashPolicy(t *testing.T) {
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pool := testPool()
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ipHash := IPHashSelection{}
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req, _ := http.NewRequest("GET", "/", nil)
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// We should be able to predict where every request is routed.
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req.RemoteAddr = "172.0.0.1:80"
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h := ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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req.RemoteAddr = "172.0.0.2:80"
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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req.RemoteAddr = "172.0.0.3:80"
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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req.RemoteAddr = "172.0.0.4:80"
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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// we should get the same results without a port
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req.RemoteAddr = "172.0.0.1"
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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req.RemoteAddr = "172.0.0.2"
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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req.RemoteAddr = "172.0.0.3"
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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req.RemoteAddr = "172.0.0.4"
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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// we should get a healthy host if the original host is unhealthy and a
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// healthy host is available
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req.RemoteAddr = "172.0.0.4"
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pool[1].setHealthy(false)
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h = ipHash.Select(pool, req, nil)
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if h != pool[2] {
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t.Error("Expected ip hash policy host to be the third host.")
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}
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req.RemoteAddr = "172.0.0.2"
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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pool[1].setHealthy(true)
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req.RemoteAddr = "172.0.0.3"
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pool[2].setHealthy(false)
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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req.RemoteAddr = "172.0.0.4"
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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// We should be able to resize the host pool and still be able to predict
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// where a req will be routed with the same IP's used above
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pool = UpstreamPool{
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{Host: new(Host), Dial: "0.0.0.2"},
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{Host: new(Host), Dial: "0.0.0.3"},
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}
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req.RemoteAddr = "172.0.0.1:80"
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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req.RemoteAddr = "172.0.0.2:80"
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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req.RemoteAddr = "172.0.0.3:80"
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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req.RemoteAddr = "172.0.0.4:80"
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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// We should get nil when there are no healthy hosts
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pool[0].setHealthy(false)
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pool[1].setHealthy(false)
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h = ipHash.Select(pool, req, nil)
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if h != nil {
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t.Error("Expected ip hash policy host to be nil.")
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}
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// Reproduce #4135
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pool = UpstreamPool{
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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}
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pool[0].setHealthy(false)
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pool[1].setHealthy(false)
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pool[2].setHealthy(false)
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pool[3].setHealthy(false)
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pool[4].setHealthy(false)
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pool[5].setHealthy(false)
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pool[6].setHealthy(false)
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pool[7].setHealthy(false)
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pool[8].setHealthy(true)
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// We should get a result back when there is one healthy host left.
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h = ipHash.Select(pool, req, nil)
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if h == nil {
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// If it is nil, it means we missed a host even though one is available
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t.Error("Expected ip hash policy host to not be nil, but it is nil.")
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}
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}
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func TestClientIPHashPolicy(t *testing.T) {
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pool := testPool()
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ipHash := ClientIPHashSelection{}
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req, _ := http.NewRequest("GET", "/", nil)
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req = req.WithContext(context.WithValue(req.Context(), caddyhttp.VarsCtxKey, make(map[string]any)))
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// We should be able to predict where every request is routed.
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.1:80")
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h := ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.2:80")
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.3:80")
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.4:80")
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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// we should get the same results without a port
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.1")
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.2")
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.3")
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.4")
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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// we should get a healthy host if the original host is unhealthy and a
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// healthy host is available
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.4")
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pool[1].setHealthy(false)
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h = ipHash.Select(pool, req, nil)
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if h != pool[2] {
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t.Error("Expected ip hash policy host to be the third host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.2")
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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pool[1].setHealthy(true)
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.3")
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pool[2].setHealthy(false)
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.4")
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h = ipHash.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected ip hash policy host to be the second host.")
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}
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// We should be able to resize the host pool and still be able to predict
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// where a req will be routed with the same IP's used above
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pool = UpstreamPool{
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{Host: new(Host), Dial: "0.0.0.2"},
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{Host: new(Host), Dial: "0.0.0.3"},
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.1:80")
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.2:80")
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.3:80")
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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caddyhttp.SetVar(req.Context(), caddyhttp.ClientIPVarKey, "172.0.0.4:80")
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h = ipHash.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected ip hash policy host to be the first host.")
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}
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// We should get nil when there are no healthy hosts
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pool[0].setHealthy(false)
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pool[1].setHealthy(false)
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h = ipHash.Select(pool, req, nil)
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if h != nil {
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t.Error("Expected ip hash policy host to be nil.")
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}
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// Reproduce #4135
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pool = UpstreamPool{
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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{Host: new(Host)},
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}
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pool[0].setHealthy(false)
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pool[1].setHealthy(false)
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pool[2].setHealthy(false)
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pool[3].setHealthy(false)
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pool[4].setHealthy(false)
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pool[5].setHealthy(false)
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pool[6].setHealthy(false)
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pool[7].setHealthy(false)
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pool[8].setHealthy(true)
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// We should get a result back when there is one healthy host left.
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h = ipHash.Select(pool, req, nil)
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if h == nil {
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// If it is nil, it means we missed a host even though one is available
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t.Error("Expected ip hash policy host to not be nil, but it is nil.")
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}
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}
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func TestFirstPolicy(t *testing.T) {
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pool := testPool()
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firstPolicy := FirstSelection{}
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req := httptest.NewRequest(http.MethodGet, "/", nil)
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h := firstPolicy.Select(pool, req, nil)
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if h != pool[0] {
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t.Error("Expected first policy host to be the first host.")
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}
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pool[0].setHealthy(false)
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h = firstPolicy.Select(pool, req, nil)
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if h != pool[1] {
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t.Error("Expected first policy host to be the second host.")
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}
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}
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func TestQueryHashPolicy(t *testing.T) {
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ctx, cancel := caddy.NewContext(caddy.Context{Context: context.Background()})
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defer cancel()
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queryPolicy := QueryHashSelection{Key: "foo"}
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if err := queryPolicy.Provision(ctx); err != nil {
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t.Errorf("Provision error: %v", err)
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t.FailNow()
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}
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pool := testPool()
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request := httptest.NewRequest(http.MethodGet, "/?foo=1", nil)
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h := queryPolicy.Select(pool, request, nil)
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if h != pool[0] {
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t.Error("Expected query policy host to be the first host.")
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|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/?foo=100000", nil)
|
|
h = queryPolicy.Select(pool, request, nil)
|
|
if h != pool[1] {
|
|
t.Error("Expected query policy host to be the second host.")
|
|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/?foo=1", nil)
|
|
pool[0].setHealthy(false)
|
|
h = queryPolicy.Select(pool, request, nil)
|
|
if h != pool[2] {
|
|
t.Error("Expected query policy host to be the third host.")
|
|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/?foo=100000", nil)
|
|
h = queryPolicy.Select(pool, request, nil)
|
|
if h != pool[1] {
|
|
t.Error("Expected query policy host to be the second host.")
|
|
}
|
|
|
|
// We should be able to resize the host pool and still be able to predict
|
|
// where a request will be routed with the same query used above
|
|
pool = UpstreamPool{
|
|
{Host: new(Host)},
|
|
{Host: new(Host)},
|
|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/?foo=1", nil)
|
|
h = queryPolicy.Select(pool, request, nil)
|
|
if h != pool[0] {
|
|
t.Error("Expected query policy host to be the first host.")
|
|
}
|
|
|
|
pool[0].setHealthy(false)
|
|
h = queryPolicy.Select(pool, request, nil)
|
|
if h != pool[1] {
|
|
t.Error("Expected query policy host to be the second host.")
|
|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/?foo=4", nil)
|
|
h = queryPolicy.Select(pool, request, nil)
|
|
if h != pool[1] {
|
|
t.Error("Expected query policy host to be the second host.")
|
|
}
|
|
|
|
pool[0].setHealthy(false)
|
|
pool[1].setHealthy(false)
|
|
h = queryPolicy.Select(pool, request, nil)
|
|
if h != nil {
|
|
t.Error("Expected query policy policy host to be nil.")
|
|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/?foo=aa11&foo=bb22", nil)
|
|
pool = testPool()
|
|
h = queryPolicy.Select(pool, request, nil)
|
|
if h != pool[0] {
|
|
t.Error("Expected query policy host to be the first host.")
|
|
}
|
|
}
|
|
|
|
func TestURIHashPolicy(t *testing.T) {
|
|
pool := testPool()
|
|
uriPolicy := URIHashSelection{}
|
|
|
|
request := httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
h := uriPolicy.Select(pool, request, nil)
|
|
if h != pool[2] {
|
|
t.Error("Expected uri policy host to be the third host.")
|
|
}
|
|
|
|
pool[2].setHealthy(false)
|
|
h = uriPolicy.Select(pool, request, nil)
|
|
if h != pool[0] {
|
|
t.Error("Expected uri policy host to be the first host.")
|
|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/test_2", nil)
|
|
h = uriPolicy.Select(pool, request, nil)
|
|
if h != pool[0] {
|
|
t.Error("Expected uri policy host to be the first host.")
|
|
}
|
|
|
|
// We should be able to resize the host pool and still be able to predict
|
|
// where a request will be routed with the same URI's used above
|
|
pool = UpstreamPool{
|
|
{Host: new(Host)},
|
|
{Host: new(Host)},
|
|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
h = uriPolicy.Select(pool, request, nil)
|
|
if h != pool[0] {
|
|
t.Error("Expected uri policy host to be the first host.")
|
|
}
|
|
|
|
pool[0].setHealthy(false)
|
|
h = uriPolicy.Select(pool, request, nil)
|
|
if h != pool[1] {
|
|
t.Error("Expected uri policy host to be the first host.")
|
|
}
|
|
|
|
request = httptest.NewRequest(http.MethodGet, "/test_2", nil)
|
|
h = uriPolicy.Select(pool, request, nil)
|
|
if h != pool[1] {
|
|
t.Error("Expected uri policy host to be the second host.")
|
|
}
|
|
|
|
pool[0].setHealthy(false)
|
|
pool[1].setHealthy(false)
|
|
h = uriPolicy.Select(pool, request, nil)
|
|
if h != nil {
|
|
t.Error("Expected uri policy policy host to be nil.")
|
|
}
|
|
}
|
|
|
|
func TestLeastRequests(t *testing.T) {
|
|
pool := testPool()
|
|
pool[0].Dial = "localhost:8080"
|
|
pool[1].Dial = "localhost:8081"
|
|
pool[2].Dial = "localhost:8082"
|
|
pool[0].setHealthy(true)
|
|
pool[1].setHealthy(true)
|
|
pool[2].setHealthy(true)
|
|
pool[0].countRequest(10)
|
|
pool[1].countRequest(20)
|
|
pool[2].countRequest(30)
|
|
|
|
result := leastRequests(pool)
|
|
|
|
if result == nil {
|
|
t.Error("Least request should not return nil")
|
|
}
|
|
|
|
if result != pool[0] {
|
|
t.Error("Least request should return pool[0]")
|
|
}
|
|
}
|
|
|
|
func TestRandomChoicePolicy(t *testing.T) {
|
|
pool := testPool()
|
|
pool[0].Dial = "localhost:8080"
|
|
pool[1].Dial = "localhost:8081"
|
|
pool[2].Dial = "localhost:8082"
|
|
pool[0].setHealthy(false)
|
|
pool[1].setHealthy(true)
|
|
pool[2].setHealthy(true)
|
|
pool[0].countRequest(10)
|
|
pool[1].countRequest(20)
|
|
pool[2].countRequest(30)
|
|
|
|
request := httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
randomChoicePolicy := RandomChoiceSelection{Choose: 2}
|
|
|
|
h := randomChoicePolicy.Select(pool, request, nil)
|
|
|
|
if h == nil {
|
|
t.Error("RandomChoicePolicy should not return nil")
|
|
}
|
|
|
|
if h == pool[0] {
|
|
t.Error("RandomChoicePolicy should not choose pool[0]")
|
|
}
|
|
}
|
|
|
|
func TestCookieHashPolicy(t *testing.T) {
|
|
ctx, cancel := caddy.NewContext(caddy.Context{Context: context.Background()})
|
|
defer cancel()
|
|
cookieHashPolicy := CookieHashSelection{}
|
|
if err := cookieHashPolicy.Provision(ctx); err != nil {
|
|
t.Errorf("Provision error: %v", err)
|
|
t.FailNow()
|
|
}
|
|
|
|
pool := testPool()
|
|
pool[0].Dial = "localhost:8080"
|
|
pool[1].Dial = "localhost:8081"
|
|
pool[2].Dial = "localhost:8082"
|
|
pool[0].setHealthy(true)
|
|
pool[1].setHealthy(false)
|
|
pool[2].setHealthy(false)
|
|
request := httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
w := httptest.NewRecorder()
|
|
|
|
h := cookieHashPolicy.Select(pool, request, w)
|
|
cookieServer1 := w.Result().Cookies()[0]
|
|
if cookieServer1 == nil {
|
|
t.Fatal("cookieHashPolicy should set a cookie")
|
|
}
|
|
if cookieServer1.Name != "lb" {
|
|
t.Error("cookieHashPolicy should set a cookie with name lb")
|
|
}
|
|
if cookieServer1.Secure {
|
|
t.Error("cookieHashPolicy should set cookie Secure attribute to false when request is not secure")
|
|
}
|
|
if h != pool[0] {
|
|
t.Error("Expected cookieHashPolicy host to be the first only available host.")
|
|
}
|
|
pool[1].setHealthy(true)
|
|
pool[2].setHealthy(true)
|
|
request = httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
w = httptest.NewRecorder()
|
|
request.AddCookie(cookieServer1)
|
|
h = cookieHashPolicy.Select(pool, request, w)
|
|
if h != pool[0] {
|
|
t.Error("Expected cookieHashPolicy host to stick to the first host (matching cookie).")
|
|
}
|
|
s := w.Result().Cookies()
|
|
if len(s) != 0 {
|
|
t.Error("Expected cookieHashPolicy to not set a new cookie.")
|
|
}
|
|
pool[0].setHealthy(false)
|
|
request = httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
w = httptest.NewRecorder()
|
|
request.AddCookie(cookieServer1)
|
|
h = cookieHashPolicy.Select(pool, request, w)
|
|
if h == pool[0] {
|
|
t.Error("Expected cookieHashPolicy to select a new host.")
|
|
}
|
|
if w.Result().Cookies() == nil {
|
|
t.Error("Expected cookieHashPolicy to set a new cookie.")
|
|
}
|
|
}
|
|
|
|
func TestCookieHashPolicyWithSecureRequest(t *testing.T) {
|
|
ctx, cancel := caddy.NewContext(caddy.Context{Context: context.Background()})
|
|
defer cancel()
|
|
cookieHashPolicy := CookieHashSelection{}
|
|
if err := cookieHashPolicy.Provision(ctx); err != nil {
|
|
t.Errorf("Provision error: %v", err)
|
|
t.FailNow()
|
|
}
|
|
|
|
pool := testPool()
|
|
pool[0].Dial = "localhost:8080"
|
|
pool[1].Dial = "localhost:8081"
|
|
pool[2].Dial = "localhost:8082"
|
|
pool[0].setHealthy(true)
|
|
pool[1].setHealthy(false)
|
|
pool[2].setHealthy(false)
|
|
|
|
// Create a test server that serves HTTPS requests
|
|
ts := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
h := cookieHashPolicy.Select(pool, r, w)
|
|
if h != pool[0] {
|
|
t.Error("Expected cookieHashPolicy host to be the first only available host.")
|
|
}
|
|
}))
|
|
defer ts.Close()
|
|
|
|
// Make a new HTTPS request to the test server
|
|
client := ts.Client()
|
|
request, err := http.NewRequest(http.MethodGet, ts.URL+"/test", nil)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
response, err := client.Do(request)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Check if the cookie set is Secure and has SameSiteNone mode
|
|
cookies := response.Cookies()
|
|
if len(cookies) == 0 {
|
|
t.Fatal("Expected a cookie to be set")
|
|
}
|
|
cookie := cookies[0]
|
|
if !cookie.Secure {
|
|
t.Error("Expected cookie Secure attribute to be true when request is secure")
|
|
}
|
|
if cookie.SameSite != http.SameSiteNoneMode {
|
|
t.Error("Expected cookie SameSite attribute to be None when request is secure")
|
|
}
|
|
}
|
|
|
|
func TestCookieHashPolicyWithFirstFallback(t *testing.T) {
|
|
ctx, cancel := caddy.NewContext(caddy.Context{Context: context.Background()})
|
|
defer cancel()
|
|
cookieHashPolicy := CookieHashSelection{
|
|
FallbackRaw: caddyconfig.JSONModuleObject(FirstSelection{}, "policy", "first", nil),
|
|
}
|
|
if err := cookieHashPolicy.Provision(ctx); err != nil {
|
|
t.Errorf("Provision error: %v", err)
|
|
t.FailNow()
|
|
}
|
|
|
|
pool := testPool()
|
|
pool[0].Dial = "localhost:8080"
|
|
pool[1].Dial = "localhost:8081"
|
|
pool[2].Dial = "localhost:8082"
|
|
pool[0].setHealthy(true)
|
|
pool[1].setHealthy(true)
|
|
pool[2].setHealthy(true)
|
|
request := httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
w := httptest.NewRecorder()
|
|
|
|
h := cookieHashPolicy.Select(pool, request, w)
|
|
cookieServer1 := w.Result().Cookies()[0]
|
|
if cookieServer1 == nil {
|
|
t.Fatal("cookieHashPolicy should set a cookie")
|
|
}
|
|
if cookieServer1.Name != "lb" {
|
|
t.Error("cookieHashPolicy should set a cookie with name lb")
|
|
}
|
|
if h != pool[0] {
|
|
t.Errorf("Expected cookieHashPolicy host to be the first only available host, got %s", h)
|
|
}
|
|
request = httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
w = httptest.NewRecorder()
|
|
request.AddCookie(cookieServer1)
|
|
h = cookieHashPolicy.Select(pool, request, w)
|
|
if h != pool[0] {
|
|
t.Errorf("Expected cookieHashPolicy host to stick to the first host (matching cookie), got %s", h)
|
|
}
|
|
s := w.Result().Cookies()
|
|
if len(s) != 0 {
|
|
t.Error("Expected cookieHashPolicy to not set a new cookie.")
|
|
}
|
|
pool[0].setHealthy(false)
|
|
request = httptest.NewRequest(http.MethodGet, "/test", nil)
|
|
w = httptest.NewRecorder()
|
|
request.AddCookie(cookieServer1)
|
|
h = cookieHashPolicy.Select(pool, request, w)
|
|
if h != pool[1] {
|
|
t.Errorf("Expected cookieHashPolicy to select the next first available host, got %s", h)
|
|
}
|
|
if w.Result().Cookies() == nil {
|
|
t.Error("Expected cookieHashPolicy to set a new cookie.")
|
|
}
|
|
}
|