traefik/provider/docker/config_container_docker_test.go

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package docker
import (
"reflect"
"strconv"
"testing"
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"time"
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"github.com/containous/flaeg"
"github.com/containous/traefik/provider/label"
"github.com/containous/traefik/types"
docker "github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/go-connections/nat"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
)
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func TestDockerBuildConfiguration(t *testing.T) {
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testCases := []struct {
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desc string
containers []docker.ContainerJSON
expectedFrontends map[string]*types.Frontend
expectedBackends map[string]*types.Backend
}{
{
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desc: "when no container",
containers: []docker.ContainerJSON{},
expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
},
{
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desc: "when basic container configuration",
containers: []docker.ContainerJSON{
containerJSON(
name("test"),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-docker-localhost-0": {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []string{},
BasicAuth: []string{},
Routes: map[string]types.Route{
"route-frontend-Host-test-docker-localhost-0": {
Rule: "Host:test.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-test": {
Servers: map[string]types.Server{
"server-test": {
URL: "http://127.0.0.1:80",
Weight: 0,
},
},
CircuitBreaker: nil,
},
},
},
{
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desc: "when container has label 'enable' to false",
containers: []docker.ContainerJSON{
containerJSON(
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name("test"),
labels(map[string]string{
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label.TraefikEnable: "false",
label.TraefikPort: "666",
label.TraefikProtocol: "https",
label.TraefikWeight: "12",
label.TraefikBackend: "foobar",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
},
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expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
},
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{
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desc: "when all labels are set",
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containers: []docker.ContainerJSON{
containerJSON(
name("test1"),
labels(map[string]string{
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label.TraefikPort: "666",
label.TraefikProtocol: "https",
label.TraefikWeight: "12",
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label.TraefikBackend: "foobar",
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label.TraefikBackendCircuitBreakerExpression: "NetworkErrorRatio() > 0.5",
label.TraefikBackendHealthCheckPath: "/health",
label.TraefikBackendHealthCheckPort: "880",
label.TraefikBackendHealthCheckInterval: "6",
label.TraefikBackendLoadBalancerMethod: "drr",
label.TraefikBackendLoadBalancerSticky: "true",
label.TraefikBackendLoadBalancerStickiness: "true",
label.TraefikBackendLoadBalancerStickinessCookieName: "chocolate",
label.TraefikBackendMaxConnAmount: "666",
label.TraefikBackendMaxConnExtractorFunc: "client.ip",
label.TraefikFrontendAuthBasic: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
label.TraefikFrontendEntryPoints: "http,https",
label.TraefikFrontendPassHostHeader: "true",
label.TraefikFrontendPassTLSCert: "true",
label.TraefikFrontendPriority: "666",
label.TraefikFrontendRedirectEntryPoint: "https",
label.TraefikFrontendRedirectRegex: "nope",
label.TraefikFrontendRedirectReplacement: "nope",
label.TraefikFrontendRule: "Host:traefik.io",
label.TraefikFrontendWhitelistSourceRange: "10.10.10.10",
label.TraefikFrontendRequestHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8",
label.TraefikFrontendResponseHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8",
label.TraefikFrontendSSLProxyHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8",
label.TraefikFrontendAllowedHosts: "foo,bar,bor",
label.TraefikFrontendHostsProxyHeaders: "foo,bar,bor",
label.TraefikFrontendSSLHost: "foo",
label.TraefikFrontendCustomFrameOptionsValue: "foo",
label.TraefikFrontendContentSecurityPolicy: "foo",
label.TraefikFrontendPublicKey: "foo",
label.TraefikFrontendReferrerPolicy: "foo",
label.TraefikFrontendSTSSeconds: "666",
label.TraefikFrontendSSLRedirect: "true",
label.TraefikFrontendSSLTemporaryRedirect: "true",
label.TraefikFrontendSTSIncludeSubdomains: "true",
label.TraefikFrontendSTSPreload: "true",
label.TraefikFrontendForceSTSHeader: "true",
label.TraefikFrontendFrameDeny: "true",
label.TraefikFrontendContentTypeNosniff: "true",
label.TraefikFrontendBrowserXSSFilter: "true",
label.TraefikFrontendIsDevelopment: "true",
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label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageStatus: "404",
label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageBackend: "foobar",
label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageQuery: "foo_query",
label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageStatus: "500,600",
label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageBackend: "foobar",
label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageQuery: "bar_query",
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label.TraefikFrontendRateLimitExtractorFunc: "client.ip",
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitPeriod: "6",
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitAverage: "12",
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitBurst: "18",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitPeriod: "3",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitAverage: "6",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitBurst: "9",
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}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
},
expectedFrontends: map[string]*types.Frontend{
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"frontend-Host-traefik-io-0": {
EntryPoints: []string{
"http",
"https",
},
Backend: "backend-foobar",
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Routes: map[string]types.Route{
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"route-frontend-Host-traefik-io-0": {
Rule: "Host:traefik.io",
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},
},
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PassHostHeader: true,
PassTLSCert: true,
Priority: 666,
BasicAuth: []string{
"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
"test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
},
WhitelistSourceRange: []string{
"10.10.10.10",
},
Headers: &types.Headers{
CustomRequestHeaders: map[string]string{
"Access-Control-Allow-Methods": "POST,GET,OPTIONS",
"Content-Type": "application/json; charset=utf-8",
},
CustomResponseHeaders: map[string]string{
"Access-Control-Allow-Methods": "POST,GET,OPTIONS",
"Content-Type": "application/json; charset=utf-8",
},
AllowedHosts: []string{
"foo",
"bar",
"bor",
},
HostsProxyHeaders: []string{
"foo",
"bar",
"bor",
},
SSLRedirect: true,
SSLTemporaryRedirect: true,
SSLHost: "foo",
SSLProxyHeaders: map[string]string{
"Access-Control-Allow-Methods": "POST,GET,OPTIONS",
"Content-Type": "application/json; charset=utf-8",
},
STSSeconds: 666,
STSIncludeSubdomains: true,
STSPreload: true,
ForceSTSHeader: true,
FrameDeny: true,
CustomFrameOptionsValue: "foo",
ContentTypeNosniff: true,
BrowserXSSFilter: true,
ContentSecurityPolicy: "foo",
PublicKey: "foo",
ReferrerPolicy: "foo",
IsDevelopment: true,
},
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Errors: map[string]*types.ErrorPage{
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"foo": {
Status: []string{"404"},
Query: "foo_query",
Backend: "foobar",
},
"bar": {
Status: []string{"500", "600"},
Query: "bar_query",
Backend: "foobar",
},
},
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RateLimit: &types.RateLimit{
ExtractorFunc: "client.ip",
RateSet: map[string]*types.Rate{
"foo": {
Period: flaeg.Duration(6 * time.Second),
Average: 12,
Burst: 18,
},
"bar": {
Period: flaeg.Duration(3 * time.Second),
Average: 6,
Burst: 9,
},
},
},
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Redirect: &types.Redirect{
EntryPoint: "https",
Regex: "",
Replacement: "",
},
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},
},
expectedBackends: map[string]*types.Backend{
"backend-foobar": {
Servers: map[string]types.Server{
"server-test1": {
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URL: "https://127.0.0.1:666",
Weight: 12,
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},
},
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CircuitBreaker: &types.CircuitBreaker{
Expression: "NetworkErrorRatio() > 0.5",
},
LoadBalancer: &types.LoadBalancer{
Method: "drr",
Sticky: true,
Stickiness: &types.Stickiness{
CookieName: "chocolate",
},
},
MaxConn: &types.MaxConn{
Amount: 666,
ExtractorFunc: "client.ip",
},
HealthCheck: &types.HealthCheck{
Path: "/health",
Port: 880,
Interval: "6",
},
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},
},
},
}
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for _, test := range testCases {
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test := test
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t.Run(test.desc, func(t *testing.T) {
t.Parallel()
var dockerDataList []dockerData
for _, cont := range test.containers {
dData := parseContainer(cont)
dockerDataList = append(dockerDataList, dData)
}
provider := &Provider{
Domain: "docker.localhost",
ExposedByDefault: true,
}
actualConfig := provider.buildConfiguration(dockerDataList)
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require.NotNil(t, actualConfig, "actualConfig")
assert.EqualValues(t, test.expectedBackends, actualConfig.Backends)
assert.EqualValues(t, test.expectedFrontends, actualConfig.Frontends)
})
}
}
func TestDockerTraefikFilter(t *testing.T) {
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testCases := []struct {
container docker.ContainerJSON
expected bool
provider *Provider
}{
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{},
},
expected: false,
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikEnable: "false",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
expected: false,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikFrontendRule: "Host:foo.bar",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container-multi-ports",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
"443/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikPort: "80",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
"443/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikEnable: "true",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikEnable: "anything",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikFrontendRule: "Host:foo.bar",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: true,
},
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: false,
},
expected: false,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikEnable: "true",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
Domain: "test",
ExposedByDefault: false,
},
expected: true,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikEnable: "true",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
ExposedByDefault: false,
},
expected: false,
},
{
container: docker.ContainerJSON{
ContainerJSONBase: &docker.ContainerJSONBase{
Name: "container",
},
Config: &container.Config{
Labels: map[string]string{
label.TraefikEnable: "true",
label.TraefikFrontendRule: "Host:i.love.this.host",
},
},
NetworkSettings: &docker.NetworkSettings{
NetworkSettingsBase: docker.NetworkSettingsBase{
Ports: nat.PortMap{
"80/tcp": {},
},
},
},
},
provider: &Provider{
ExposedByDefault: false,
},
expected: true,
},
}
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for containerID, test := range testCases {
test := test
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := test.provider.containerFilter(dData)
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if actual != test.expected {
t.Errorf("expected %v for %+v, got %+v", test.expected, test, actual)
}
})
}
}
func TestDockerGetFuncStringLabel(t *testing.T) {
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testCases := []struct {
container docker.ContainerJSON
labelName string
defaultValue string
expected string
}{
{
container: containerJSON(),
labelName: label.TraefikWeight,
defaultValue: label.DefaultWeight,
expected: "0",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikWeight: "10",
})),
labelName: label.TraefikWeight,
defaultValue: label.DefaultWeight,
expected: "10",
},
}
for containerID, test := range testCases {
test := test
t.Run(test.labelName+strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getFuncStringLabel(test.labelName, test.defaultValue)(dData)
if actual != test.expected {
t.Errorf("got %q, expected %q", actual, test.expected)
}
})
}
}
func TestDockerGetSliceStringLabel(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
labelName string
expected []string
}{
{
desc: "no whitelist-label",
container: containerJSON(),
expected: nil,
},
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{
desc: "whitelist-label with empty string",
container: containerJSON(labels(map[string]string{
label.TraefikFrontendWhitelistSourceRange: "",
})),
labelName: label.TraefikFrontendWhitelistSourceRange,
expected: nil,
},
{
desc: "whitelist-label with IPv4 mask",
container: containerJSON(labels(map[string]string{
label.TraefikFrontendWhitelistSourceRange: "1.2.3.4/16",
})),
labelName: label.TraefikFrontendWhitelistSourceRange,
expected: []string{
"1.2.3.4/16",
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},
},
{
desc: "whitelist-label with IPv6 mask",
container: containerJSON(labels(map[string]string{
label.TraefikFrontendWhitelistSourceRange: "fe80::/16",
})),
labelName: label.TraefikFrontendWhitelistSourceRange,
expected: []string{
"fe80::/16",
},
},
{
desc: "whitelist-label with multiple masks",
container: containerJSON(labels(map[string]string{
label.TraefikFrontendWhitelistSourceRange: "1.1.1.1/24, 1234:abcd::42/32",
})),
labelName: label.TraefikFrontendWhitelistSourceRange,
expected: []string{
"1.1.1.1/24",
"1234:abcd::42/32",
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},
},
}
for _, test := range testCases {
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test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getFuncSliceStringLabel(test.labelName)(dData)
if !reflect.DeepEqual(actual, test.expected) {
t.Errorf("expected %q, got %q", test.expected, actual)
}
})
}
}
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func TestDockerGetFrontendName(t *testing.T) {
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testCases := []struct {
container docker.ContainerJSON
expected string
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}{
{
container: containerJSON(name("foo")),
expected: "Host-foo-docker-localhost-0",
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},
{
container: containerJSON(labels(map[string]string{
label.TraefikFrontendRule: "Headers:User-Agent,bat/0.1.0",
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})),
expected: "Headers-User-Agent-bat-0-1-0-0",
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},
{
container: containerJSON(labels(map[string]string{
"com.docker.compose.project": "foo",
"com.docker.compose.service": "bar",
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})),
expected: "Host-bar-foo-docker-localhost-0",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikFrontendRule: "Host:foo.bar",
})),
expected: "Host-foo-bar-0",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikFrontendRule: "Path:/test",
})),
expected: "Path-test-0",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikFrontendRule: "PathPrefix:/test2",
})),
expected: "PathPrefix-test2-0",
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},
}
for containerID, test := range testCases {
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test := test
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
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t.Parallel()
dData := parseContainer(test.container)
provider := &Provider{
Domain: "docker.localhost",
}
actual := provider.getFrontendName(dData, 0)
if actual != test.expected {
t.Errorf("expected %q, got %q", test.expected, actual)
}
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})
}
}
func TestDockerGetFrontendRule(t *testing.T) {
testCases := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(name("foo")),
expected: "Host:foo.docker.localhost",
},
{
container: containerJSON(name("bar")),
expected: "Host:bar.docker.localhost",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikFrontendRule: "Host:foo.bar",
})),
expected: "Host:foo.bar",
}, {
container: containerJSON(labels(map[string]string{
"com.docker.compose.project": "foo",
"com.docker.compose.service": "bar",
})),
expected: "Host:bar.foo.docker.localhost",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikFrontendRule: "Path:/test",
})),
expected: "Path:/test",
},
}
for containerID, test := range testCases {
test := test
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
provider := &Provider{
Domain: "docker.localhost",
}
actual := provider.getFrontendRule(dData)
if actual != test.expected {
t.Errorf("expected %q, got %q", test.expected, actual)
}
})
}
}
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func TestDockerGetBackendName(t *testing.T) {
testCases := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(name("foo")),
expected: "foo",
},
{
container: containerJSON(name("bar")),
expected: "bar",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikBackend: "foobar",
})),
expected: "foobar",
},
{
container: containerJSON(labels(map[string]string{
"com.docker.compose.project": "foo",
"com.docker.compose.service": "bar",
})),
expected: "bar-foo",
},
}
for containerID, test := range testCases {
test := test
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
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actual := getBackendName(dData)
if actual != test.expected {
t.Errorf("expected %q, got %q", test.expected, actual)
}
})
}
}
func TestDockerGetIPAddress(t *testing.T) {
testCases := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(withNetwork("testnet", ipv4("10.11.12.13"))),
expected: "10.11.12.13",
},
{
container: containerJSON(
labels(map[string]string{
labelDockerNetwork: "testnet",
}),
withNetwork("testnet", ipv4("10.11.12.13")),
),
expected: "10.11.12.13",
},
{
container: containerJSON(
labels(map[string]string{
labelDockerNetwork: "testnet2",
}),
withNetwork("testnet", ipv4("10.11.12.13")),
withNetwork("testnet2", ipv4("10.11.12.14")),
),
expected: "10.11.12.14",
},
{
container: containerJSON(
networkMode("host"),
withNetwork("testnet", ipv4("10.11.12.13")),
withNetwork("testnet2", ipv4("10.11.12.14")),
),
expected: "127.0.0.1",
},
{
container: containerJSON(
networkMode("host"),
),
expected: "127.0.0.1",
},
{
container: containerJSON(
networkMode("host"),
nodeIP("10.0.0.5"),
),
expected: "10.0.0.5",
},
}
for containerID, test := range testCases {
test := test
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
provider := &Provider{}
actual := provider.getIPAddress(dData)
if actual != test.expected {
t.Errorf("expected %q, got %q", test.expected, actual)
}
})
}
}
func TestDockerGetPort(t *testing.T) {
testCases := []struct {
container docker.ContainerJSON
expected string
}{
{
container: containerJSON(name("foo")),
expected: "",
},
{
container: containerJSON(ports(nat.PortMap{
"80/tcp": {},
})),
expected: "80",
},
{
container: containerJSON(ports(nat.PortMap{
"80/tcp": {},
"443/tcp": {},
})),
expected: "80",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikPort: "8080",
})),
expected: "8080",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikPort: "8080",
}), ports(nat.PortMap{
"80/tcp": {},
})),
expected: "8080",
},
{
container: containerJSON(labels(map[string]string{
label.TraefikPort: "8080",
}), ports(nat.PortMap{
"8080/tcp": {},
"80/tcp": {},
})),
expected: "8080",
},
}
for containerID, e := range testCases {
e := e
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
dData := parseContainer(e.container)
actual := getPort(dData)
if actual != e.expected {
t.Errorf("expected %q, got %q", e.expected, actual)
}
})
}
}
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func TestDockerGetMaxConn(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
expected *types.MaxConn
}{
{
desc: "should return nil when no max conn labels",
container: containerJSON(
name("test1"),
labels(map[string]string{})),
expected: nil,
},
{
desc: "should return nil when no amount label",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikBackendMaxConnExtractorFunc: "client.ip",
})),
expected: nil,
},
{
desc: "should return default when no empty extractorFunc label",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikBackendMaxConnExtractorFunc: "",
label.TraefikBackendMaxConnAmount: "666",
})),
expected: &types.MaxConn{
ExtractorFunc: "request.host",
Amount: 666,
},
},
{
desc: "should return a struct when max conn labels are set",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikBackendMaxConnExtractorFunc: "client.ip",
label.TraefikBackendMaxConnAmount: "666",
})),
expected: &types.MaxConn{
ExtractorFunc: "client.ip",
Amount: 666,
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getMaxConn(dData)
assert.Equal(t, test.expected, actual)
})
}
}
func TestDockerGetCircuitBreaker(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
expected *types.CircuitBreaker
}{
{
desc: "should return nil when no CB labels",
container: containerJSON(
name("test1"),
labels(map[string]string{})),
expected: nil,
},
{
desc: "should return a struct CB when CB labels are set",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikBackendCircuitBreakerExpression: "NetworkErrorRatio() > 0.5",
})),
expected: &types.CircuitBreaker{
Expression: "NetworkErrorRatio() > 0.5",
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getCircuitBreaker(dData)
assert.Equal(t, test.expected, actual)
})
}
}
func TestDockerGetLoadBalancer(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
expected *types.LoadBalancer
}{
{
desc: "should return nil when no LB labels",
container: containerJSON(
name("test1"),
labels(map[string]string{})),
expected: nil,
},
{
desc: "should return a struct when labels are set",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikBackendLoadBalancerMethod: "drr",
label.TraefikBackendLoadBalancerSticky: "true",
label.TraefikBackendLoadBalancerStickiness: "true",
label.TraefikBackendLoadBalancerStickinessCookieName: "foo",
})),
expected: &types.LoadBalancer{
Method: "drr",
Sticky: true,
Stickiness: &types.Stickiness{
CookieName: "foo",
},
},
},
{
desc: "should return a nil Stickiness when Stickiness is not set",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikBackendLoadBalancerMethod: "drr",
label.TraefikBackendLoadBalancerSticky: "true",
label.TraefikBackendLoadBalancerStickinessCookieName: "foo",
})),
expected: &types.LoadBalancer{
Method: "drr",
Sticky: true,
Stickiness: nil,
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getLoadBalancer(dData)
assert.Equal(t, test.expected, actual)
})
}
}
func TestDockerGetRedirect(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
expected *types.Redirect
}{
{
desc: "should return nil when no redirect labels",
container: containerJSON(
name("test1"),
labels(map[string]string{})),
expected: nil,
},
{
desc: "should use only entry point tag when mix regex redirect and entry point redirect",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikFrontendRedirectEntryPoint: "https",
label.TraefikFrontendRedirectRegex: "(.*)",
label.TraefikFrontendRedirectReplacement: "$1",
}),
),
expected: &types.Redirect{
EntryPoint: "https",
},
},
{
desc: "should return a struct when entry point redirect label",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikFrontendRedirectEntryPoint: "https",
}),
),
expected: &types.Redirect{
EntryPoint: "https",
},
},
{
desc: "should return a struct when regex redirect labels",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikFrontendRedirectRegex: "(.*)",
label.TraefikFrontendRedirectReplacement: "$1",
}),
),
expected: &types.Redirect{
Regex: "(.*)",
Replacement: "$1",
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getRedirect(dData)
assert.Equal(t, test.expected, actual)
})
}
}
func TestDockerGetRateLimit(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
expected *types.RateLimit
}{
{
desc: "should return nil when no rate limit labels",
container: containerJSON(
name("test1"),
labels(map[string]string{})),
expected: nil,
},
{
desc: "should return a struct when rate limit labels are defined",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikFrontendRateLimitExtractorFunc: "client.ip",
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitPeriod: "6",
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitAverage: "12",
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitBurst: "18",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitPeriod: "3",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitAverage: "6",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitBurst: "9",
})),
expected: &types.RateLimit{
ExtractorFunc: "client.ip",
RateSet: map[string]*types.Rate{
"foo": {
Period: flaeg.Duration(6 * time.Second),
Average: 12,
Burst: 18,
},
"bar": {
Period: flaeg.Duration(3 * time.Second),
Average: 6,
Burst: 9,
},
},
},
},
{
desc: "should return nil when ExtractorFunc is missing",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitPeriod: "6",
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitAverage: "12",
label.Prefix + label.BaseFrontendRateLimit + "foo." + label.SuffixRateLimitBurst: "18",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitPeriod: "3",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitAverage: "6",
label.Prefix + label.BaseFrontendRateLimit + "bar." + label.SuffixRateLimitBurst: "9",
})),
expected: nil,
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getRateLimit(dData)
assert.Equal(t, test.expected, actual)
})
}
}
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func TestGetErrorPages(t *testing.T) {
testCases := []struct {
desc string
data dockerData
expected map[string]*types.ErrorPage
}{
{
desc: "2 errors pages",
data: parseContainer(containerJSON(
labels(map[string]string{
label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageStatus: "404",
label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageBackend: "foo_backend",
label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageQuery: "foo_query",
label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageStatus: "500,600",
label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageBackend: "bar_backend",
label.Prefix + label.BaseFrontendErrorPage + "bar." + label.SuffixErrorPageQuery: "bar_query",
}))),
expected: map[string]*types.ErrorPage{
"foo": {
Status: []string{"404"},
Query: "foo_query",
Backend: "foo_backend",
},
"bar": {
Status: []string{"500", "600"},
Query: "bar_query",
Backend: "bar_backend",
},
},
},
{
desc: "only status field",
data: parseContainer(containerJSON(
labels(map[string]string{
label.Prefix + label.BaseFrontendErrorPage + "foo." + label.SuffixErrorPageStatus: "404",
}))),
expected: map[string]*types.ErrorPage{
"foo": {
Status: []string{"404"},
},
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
pages := getErrorPages(test.data)
assert.EqualValues(t, test.expected, pages)
})
}
}
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func TestDockerGetHealthCheck(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
expected *types.HealthCheck
}{
{
desc: "should return nil when no health check labels",
container: containerJSON(
name("test1"),
labels(map[string]string{})),
expected: nil,
},
{
desc: "should return nil when no health check Path label",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikBackendHealthCheckPort: "80",
label.TraefikBackendHealthCheckInterval: "6",
})),
expected: nil,
},
{
desc: "should return a struct when health check labels are set",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikBackendHealthCheckPath: "/health",
label.TraefikBackendHealthCheckPort: "80",
label.TraefikBackendHealthCheckInterval: "6",
})),
expected: &types.HealthCheck{
Path: "/health",
Port: 80,
Interval: "6",
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getHealthCheck(dData)
assert.Equal(t, test.expected, actual)
})
}
}
func TestDockerGetHeaders(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
expected *types.Headers
}{
{
desc: "should return nil when no custom headers options are set",
container: containerJSON(
name("test1"),
labels(map[string]string{})),
expected: nil,
},
{
desc: "should return a struct when all custom headers options are set",
container: containerJSON(
name("test1"),
labels(map[string]string{
label.TraefikFrontendRequestHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8",
label.TraefikFrontendResponseHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8",
label.TraefikFrontendSSLProxyHeaders: "Access-Control-Allow-Methods:POST,GET,OPTIONS || Content-type: application/json; charset=utf-8",
label.TraefikFrontendAllowedHosts: "foo,bar,bor",
label.TraefikFrontendHostsProxyHeaders: "foo,bar,bor",
label.TraefikFrontendSSLHost: "foo",
label.TraefikFrontendCustomFrameOptionsValue: "foo",
label.TraefikFrontendContentSecurityPolicy: "foo",
label.TraefikFrontendPublicKey: "foo",
label.TraefikFrontendReferrerPolicy: "foo",
label.TraefikFrontendSTSSeconds: "666",
label.TraefikFrontendSSLRedirect: "true",
label.TraefikFrontendSSLTemporaryRedirect: "true",
label.TraefikFrontendSTSIncludeSubdomains: "true",
label.TraefikFrontendSTSPreload: "true",
label.TraefikFrontendForceSTSHeader: "true",
label.TraefikFrontendFrameDeny: "true",
label.TraefikFrontendContentTypeNosniff: "true",
label.TraefikFrontendBrowserXSSFilter: "true",
label.TraefikFrontendIsDevelopment: "true",
}),
),
expected: &types.Headers{
CustomRequestHeaders: map[string]string{
"Access-Control-Allow-Methods": "POST,GET,OPTIONS",
"Content-Type": "application/json; charset=utf-8",
},
CustomResponseHeaders: map[string]string{
"Access-Control-Allow-Methods": "POST,GET,OPTIONS",
"Content-Type": "application/json; charset=utf-8",
},
SSLProxyHeaders: map[string]string{
"Access-Control-Allow-Methods": "POST,GET,OPTIONS",
"Content-Type": "application/json; charset=utf-8",
},
AllowedHosts: []string{"foo", "bar", "bor"},
HostsProxyHeaders: []string{"foo", "bar", "bor"},
SSLHost: "foo",
CustomFrameOptionsValue: "foo",
ContentSecurityPolicy: "foo",
PublicKey: "foo",
ReferrerPolicy: "foo",
STSSeconds: 666,
SSLRedirect: true,
SSLTemporaryRedirect: true,
STSIncludeSubdomains: true,
STSPreload: true,
ForceSTSHeader: true,
FrameDeny: true,
ContentTypeNosniff: true,
BrowserXSSFilter: true,
IsDevelopment: true,
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
actual := getHeaders(dData)
assert.Equal(t, test.expected, actual)
})
}
}