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c84fb9895e
traefik/provider/kv/kv_config_test.go
Fernandez Ludovic be0dd71bb4 refactor(kv): split provide and configuration.
2018-01-02 11:46:02 +01:00

580 lines
13 KiB
Go
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package kv
import (
"sort"
"strconv"
"testing"
"github.com/containous/traefik/provider/label"
"github.com/containous/traefik/tls"
"github.com/containous/traefik/types"
"github.com/docker/libkv/store"
"github.com/stretchr/testify/assert"
)
func aKVPair(key string, value string) *store.KVPair {
return &store.KVPair{Key: key, Value: []byte(value)}
}
func TestProviderBuildConfiguration(t *testing.T) {
testCases := []struct {
desc string
kvPairs []*store.KVPair
expected *types.Configuration
}{
{
desc: "name with dot",
kvPairs: filler("traefik",
frontend("frontend.with.dot",
withPair("backend", "backend.with.dot.too"),
withPair("routes/route.with.dot/rule", "Host:test.localhost")),
backend("backend.with.dot.too",
withPair("servers/server.with.dot/url", "http://172.17.0.2:80"),
withPair("servers/server.with.dot/weight", "0"),
withPair("servers/server.with.dot.without.url/weight", "0")),
),
expected: &types.Configuration{
Backends: map[string]*types.Backend{
"backend.with.dot.too": {
Servers: map[string]types.Server{
"server.with.dot": {
URL: "http://172.17.0.2:80",
Weight: 0,
},
},
},
},
Frontends: map[string]*types.Frontend{
"frontend.with.dot": {
Backend: "backend.with.dot.too",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
"route.with.dot": {
Rule: "Host:test.localhost",
},
},
},
},
},
},
{
desc: "all parameters",
kvPairs: filler("traefik",
backend("backend1",
withPair("healthcheck/path", "/health"),
withPair("healthcheck/port", "80"),
withPair("healthcheck/interval", "30s"),
withPair("maxconn/amount", "5"),
withPair("maxconn/extractorfunc", "client.ip"),
withPair(pathBackendCircuitBreakerExpression, label.DefaultCircuitBreakerExpression),
withPair(pathBackendLoadBalancerMethod, "drr"),
withPair(pathBackendLoadBalancerSticky, "true"),
withPair(pathBackendLoadBalancerStickiness, "true"),
withPair(pathBackendLoadBalancerStickinessCookieName, "tomate"),
withPair("servers/server1/url", "http://172.17.0.2:80"),
withPair("servers/server1/weight", "0"),
withPair("servers/server2/weight", "0")),
frontend("frontend1",
withPair(pathFrontendBackend, "backend1"),
withPair(pathFrontendPriority, "6"),
withPair(pathFrontendPassHostHeader, "false"),
withPair(pathFrontendEntryPoints, "http,https"),
withPair("routes/route1/rule", "Host:test.localhost"),
withPair("routes/route2/rule", "Path:/foo")),
entry("tlsconfiguration/foo",
withPair("entrypoints", "http,https"),
withPair("certificate/certfile", "certfile1"),
withPair("certificate/keyfile", "keyfile1")),
entry("tlsconfiguration/bar",
withPair("entrypoints", "http,https"),
withPair("certificate/certfile", "certfile2"),
withPair("certificate/keyfile", "keyfile2")),
),
expected: &types.Configuration{
Backends: map[string]*types.Backend{
"backend1": {
Servers: map[string]types.Server{
"server1": {
URL: "http://172.17.0.2:80",
Weight: 0,
},
},
CircuitBreaker: &types.CircuitBreaker{
Expression: "NetworkErrorRatio() > 1",
},
LoadBalancer: &types.LoadBalancer{
Method: "drr",
Sticky: true,
Stickiness: &types.Stickiness{
CookieName: "tomate",
},
},
MaxConn: &types.MaxConn{
Amount: 5,
ExtractorFunc: "client.ip",
},
HealthCheck: &types.HealthCheck{
Path: "/health",
Port: 0,
Interval: "30s",
},
},
},
Frontends: map[string]*types.Frontend{
"frontend1": {
Priority: 6,
EntryPoints: []string{"http", "https"},
Backend: "backend1",
Routes: map[string]types.Route{
"route1": {
Rule: "Host:test.localhost",
},
"route2": {
Rule: "Path:/foo",
},
},
},
},
TLSConfiguration: []*tls.Configuration{
{
EntryPoints: []string{"http", "https"},
Certificate: &tls.Certificate{
CertFile: "certfile2",
KeyFile: "keyfile2",
},
},
{
EntryPoints: []string{"http", "https"},
Certificate: &tls.Certificate{
CertFile: "certfile1",
KeyFile: "keyfile1",
},
},
},
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
p := &Provider{
Prefix: "traefik",
kvClient: &Mock{
KVPairs: test.kvPairs,
},
}
actual := p.buildConfiguration()
assert.NotNil(t, actual)
assert.EqualValues(t, test.expected.Backends, actual.Backends)
assert.EqualValues(t, test.expected.Frontends, actual.Frontends)
assert.EqualValues(t, test.expected, actual)
})
}
}
func TestProviderList(t *testing.T) {
testCases := []struct {
desc string
kvPairs []*store.KVPair
kvError error
keyParts []string
expected []string
}{
{
desc: "empty key parts and empty store",
keyParts: []string{},
expected: []string{},
},
{
desc: "when non existing key and empty store",
keyParts: []string{"traefik"},
expected: []string{},
},
{
desc: "when non existing key",
kvPairs: []*store.KVPair{
aKVPair("foo", "bar"),
},
keyParts: []string{"bar"},
expected: []string{},
},
{
desc: "when one key",
kvPairs: []*store.KVPair{
aKVPair("foo", "bar"),
},
keyParts: []string{"foo"},
expected: []string{"foo"},
},
{
desc: "when multiple sub keys and nested sub key",
kvPairs: []*store.KVPair{
aKVPair("foo/baz/1", "bar"),
aKVPair("foo/baz/2", "bar"),
aKVPair("foo/baz/biz/1", "bar"),
},
keyParts: []string{"foo", "/baz/"},
expected: []string{"foo/baz/1", "foo/baz/2"},
},
{
desc: "when KV error",
kvError: store.ErrNotReachable,
kvPairs: []*store.KVPair{
aKVPair("foo/baz/1", "bar1"),
aKVPair("foo/baz/2", "bar2"),
aKVPair("foo/baz/biz/1", "bar3"),
},
keyParts: []string{"foo/baz/1"},
expected: nil,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
p := &Provider{
kvClient: newKvClientMock(test.kvPairs, test.kvError),
}
actual := p.list(test.keyParts...)
sort.Strings(test.expected)
assert.Equal(t, test.expected, actual, "key: %v", test.keyParts)
})
}
}
func TestProviderGet(t *testing.T) {
testCases := []struct {
desc string
kvPairs []*store.KVPair
storeType store.Backend
keyParts []string
defaultValue string
kvError error
expected string
}{
{
desc: "when empty key parts, empty store",
defaultValue: "circle",
keyParts: []string{},
expected: "circle",
},
{
desc: "when non existing key",
defaultValue: "circle",
kvPairs: []*store.KVPair{
aKVPair("foo", "bar"),
},
keyParts: []string{"bar"},
expected: "circle",
},
{
desc: "when one part key",
kvPairs: []*store.KVPair{
aKVPair("foo", "bar"),
},
keyParts: []string{"foo"},
expected: "bar",
},
{
desc: "when several parts key",
kvPairs: []*store.KVPair{
aKVPair("foo/baz/1", "bar1"),
aKVPair("foo/baz/2", "bar2"),
aKVPair("foo/baz/biz/1", "bar3"),
},
keyParts: []string{"foo", "/baz/", "2"},
expected: "bar2",
},
{
desc: "when several parts key, starts with /",
defaultValue: "circle",
kvPairs: []*store.KVPair{
aKVPair("foo/baz/1", "bar1"),
aKVPair("foo/baz/2", "bar2"),
aKVPair("foo/baz/biz/1", "bar3"),
},
keyParts: []string{"/foo", "/baz/", "2"},
expected: "circle",
},
{
desc: "when several parts key starts with /, ETCD v2",
storeType: store.ETCD,
kvPairs: []*store.KVPair{
aKVPair("foo/baz/1", "bar1"),
aKVPair("foo/baz/2", "bar2"),
aKVPair("foo/baz/biz/1", "bar3"),
},
keyParts: []string{"/foo", "/baz/", "2"},
expected: "bar2",
},
{
desc: "when KV error",
kvError: store.ErrNotReachable,
kvPairs: []*store.KVPair{
aKVPair("foo/baz/1", "bar1"),
aKVPair("foo/baz/2", "bar2"),
aKVPair("foo/baz/biz/1", "bar3"),
},
keyParts: []string{"foo/baz/1"},
expected: "",
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
p := &Provider{
kvClient: newKvClientMock(test.kvPairs, test.kvError),
storeType: test.storeType,
}
actual := p.get(test.defaultValue, test.keyParts...)
assert.Equal(t, test.expected, actual, "key %v", test.keyParts)
})
}
}
func TestProviderLast(t *testing.T) {
p := &Provider{}
testCases := []struct {
key string
expected string
}{
{
key: "",
expected: "",
},
{
key: "foo",
expected: "foo",
},
{
key: "foo/bar",
expected: "bar",
},
{
key: "foo/bar/baz",
expected: "baz",
},
// FIXME is this wanted ?
{
key: "foo/bar/",
expected: "",
},
}
for i, test := range testCases {
test := test
t.Run(strconv.Itoa(i), func(t *testing.T) {
t.Parallel()
actual := p.last(test.key)
assert.Equal(t, test.expected, actual)
})
}
}
func TestProviderSplitGet(t *testing.T) {
testCases := []struct {
desc string
kvPairs []*store.KVPair
kvError error
keyParts []string
expected []string
}{
{
desc: "when has value",
kvPairs: filler("traefik",
frontend("foo",
withPair("bar", "courgette, carotte, tomate, aubergine"),
),
),
keyParts: []string{"traefik/frontends/foo/bar"},
expected: []string{"courgette", "carotte", "tomate", "aubergine"},
},
{
desc: "when empty value",
kvPairs: filler("traefik",
frontend("foo",
withPair("bar", ""),
),
),
keyParts: []string{"traefik/frontends/foo/bar"},
expected: nil,
},
{
desc: "when not existing key",
kvPairs: nil,
keyParts: []string{"traefik/frontends/foo/bar"},
expected: nil,
},
{
desc: "when KV error",
kvError: store.ErrNotReachable,
kvPairs: filler("traefik",
frontend("foo",
withPair("bar", ""),
),
),
keyParts: []string{"traefik/frontends/foo/bar"},
expected: nil,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
p := &Provider{
kvClient: newKvClientMock(test.kvPairs, test.kvError),
}
values := p.splitGet(test.keyParts...)
assert.Equal(t, test.expected, values, "key: %v", test.keyParts)
})
}
}
func TestProviderGetBool(t *testing.T) {
testCases := []struct {
desc string
kvPairs []*store.KVPair
kvError error
keyParts []string
expected bool
}{
{
desc: "when value is 'true",
kvPairs: filler("traefik",
frontend("foo",
withPair("bar", "true"),
),
),
keyParts: []string{"traefik/frontends/foo/bar"},
expected: true,
},
{
desc: "when value is 'false",
kvPairs: filler("traefik",
frontend("foo",
withPair("bar", "false"),
),
),
keyParts: []string{"traefik/frontends/foo/bar"},
expected: false,
},
{
desc: "when empty value",
kvPairs: filler("traefik",
frontend("foo",
withPair("bar", ""),
),
),
keyParts: []string{"traefik/frontends/foo/bar"},
expected: false,
},
{
desc: "when not existing key",
kvPairs: nil,
keyParts: []string{"traefik/frontends/foo/bar"},
expected: false,
},
{
desc: "when KV error",
kvError: store.ErrNotReachable,
kvPairs: filler("traefik",
frontend("foo",
withPair("bar", "true"),
),
),
keyParts: []string{"traefik/frontends/foo/bar"},
expected: false,
},
}
for i, test := range testCases {
test := test
t.Run(strconv.Itoa(i), func(t *testing.T) {
t.Parallel()
p := &Provider{
kvClient: newKvClientMock(test.kvPairs, test.kvError),
}
actual := p.getBool(false, test.keyParts...)
assert.Equal(t, test.expected, actual, "key: %v", test.keyParts)
})
}
}
func TestProviderHasStickinessLabel(t *testing.T) {
testCases := []struct {
desc string
kvPairs []*store.KVPair
rootPath string
expected bool
}{
{
desc: "without option",
expected: false,
},
{
desc: "with cookie name without stickiness=true",
rootPath: "traefik/backends/foo",
kvPairs: filler("traefik",
backend("foo",
withPair(pathBackendLoadBalancerStickinessCookieName, "aubergine"),
),
),
expected: false,
},
{
desc: "stickiness=true",
rootPath: "traefik/backends/foo",
kvPairs: filler("traefik",
backend("foo",
withPair(pathBackendLoadBalancerStickiness, "true"),
),
),
expected: true,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
p := &Provider{
kvClient: &Mock{
KVPairs: test.kvPairs,
},
}
actual := p.hasStickinessLabel(test.rootPath)
if actual != test.expected {
t.Fatalf("expected %v, got %v", test.expected, actual)
}
})
}
}
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