traefik/provider/docker/config_container_docker_test.go

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package docker
import (
"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{},
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-842895ca2aca17f6ee36ddb2f621194d": {
URL: "http://127.0.0.1:80",
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Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
},
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},
{
desc: "when pass tls client certificate",
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containers: []docker.ContainerJSON{
containerJSON(
name("test"),
labels(map[string]string{
label.TraefikFrontendPassTLSClientCertPem: "true",
label.TraefikFrontendPassTLSClientCertInfosNotBefore: "true",
label.TraefikFrontendPassTLSClientCertInfosNotAfter: "true",
label.TraefikFrontendPassTLSClientCertInfosSans: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectCommonName: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectCountry: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectLocality: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectOrganization: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectProvince: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectSerialNumber: "true",
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}),
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{},
PassTLSClientCert: &types.TLSClientHeaders{
PEM: true,
Infos: &types.TLSClientCertificateInfos{
NotBefore: true,
Sans: true,
NotAfter: true,
Subject: &types.TLSCLientCertificateSubjectInfos{
CommonName: true,
Country: true,
Locality: true,
Organization: true,
Province: true,
SerialNumber: true,
},
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},
},
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-842895ca2aca17f6ee36ddb2f621194d": {
URL: "http://127.0.0.1:80",
Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
},
}, {
desc: "when frontend basic auth",
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containers: []docker.ContainerJSON{
containerJSON(
name("test"),
labels(map[string]string{
label.TraefikFrontendAuthBasicUsers: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
label.TraefikFrontendAuthBasicUsersFile: ".htpasswd",
label.TraefikFrontendAuthBasicRemoveHeader: "true",
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}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-docker-localhost-0": {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []string{},
Auth: &types.Auth{
Basic: &types.Basic{
RemoveHeader: true,
Users: []string{"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
"test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"},
UsersFile: ".htpasswd",
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},
},
Routes: map[string]types.Route{
"route-frontend-Host-test-docker-localhost-0": {
Rule: "Host:test.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-test": {
Servers: map[string]types.Server{
"server-test-842895ca2aca17f6ee36ddb2f621194d": {
URL: "http://127.0.0.1:80",
Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
},
},
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{
desc: "when frontend basic auth backward compatibility",
containers: []docker.ContainerJSON{
containerJSON(
name("test"),
labels(map[string]string{
label.TraefikFrontendAuthBasic: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-docker-localhost-0": {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []string{},
Auth: &types.Auth{
Basic: &types.Basic{
Users: []string{"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
"test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"},
},
},
Routes: map[string]types.Route{
"route-frontend-Host-test-docker-localhost-0": {
Rule: "Host:test.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-test": {
Servers: map[string]types.Server{
"server-test-842895ca2aca17f6ee36ddb2f621194d": {
URL: "http://127.0.0.1:80",
Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
},
},
{
desc: "when frontend digest auth",
containers: []docker.ContainerJSON{
containerJSON(
name("test"),
labels(map[string]string{
label.TraefikFrontendAuthDigestRemoveHeader: "true",
label.TraefikFrontendAuthDigestUsers: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
label.TraefikFrontendAuthDigestUsersFile: ".htpasswd",
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}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-docker-localhost-0": {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []string{},
Auth: &types.Auth{
Digest: &types.Digest{
RemoveHeader: true,
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Users: []string{"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
"test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"},
UsersFile: ".htpasswd",
},
},
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-842895ca2aca17f6ee36ddb2f621194d": {
URL: "http://127.0.0.1:80",
Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
},
},
{
desc: "when frontend forward auth",
containers: []docker.ContainerJSON{
containerJSON(
name("test"),
labels(map[string]string{
label.TraefikFrontendAuthForwardTrustForwardHeader: "true",
label.TraefikFrontendAuthForwardAddress: "auth.server",
label.TraefikFrontendAuthForwardTLSCa: "ca.crt",
label.TraefikFrontendAuthForwardTLSCaOptional: "true",
label.TraefikFrontendAuthForwardTLSCert: "server.crt",
label.TraefikFrontendAuthForwardTLSKey: "server.key",
label.TraefikFrontendAuthForwardTLSInsecureSkipVerify: "true",
label.TraefikFrontendAuthForwardAuthResponseHeaders: "X-Auth-User,X-Auth-Token",
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}),
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{},
Auth: &types.Auth{
Forward: &types.Forward{
Address: "auth.server",
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TLS: &types.ClientTLS{
CA: "ca.crt",
CAOptional: true,
InsecureSkipVerify: true,
Cert: "server.crt",
Key: "server.key",
},
TrustForwardHeader: true,
AuthResponseHeaders: []string{"X-Auth-User", "X-Auth-Token"},
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},
},
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-842895ca2aca17f6ee36ddb2f621194d": {
URL: "http://127.0.0.1:80",
Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
},
},
{
desc: "when basic container configuration with multiple network",
containers: []docker.ContainerJSON{
containerJSON(
name("test"),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
withNetwork("webnet", ipv4("127.0.0.2")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-docker-localhost-0": {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []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{
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"server-test-48093b9fc43454203aacd2bc4057a08c": {
URL: "http://127.0.0.2:80",
Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
},
},
{
desc: "when basic container configuration with specific network",
containers: []docker.ContainerJSON{
containerJSON(
name("test"),
labels(map[string]string{
"traefik.docker.network": "mywebnet",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
withNetwork("webnet", ipv4("127.0.0.2")),
withNetwork("mywebnet", ipv4("127.0.0.3")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-test-docker-localhost-0": {
Backend: "backend-test",
PassHostHeader: true,
EntryPoints: []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{
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"server-test-405767e9733427148cd8dae6c4d331b0": {
URL: "http://127.0.0.3:80",
Weight: label.DefaultWeight,
},
},
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",
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label.TraefikBackendHealthCheckScheme: "http",
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label.TraefikBackendHealthCheckPath: "/health",
label.TraefikBackendHealthCheckPort: "880",
label.TraefikBackendHealthCheckInterval: "6",
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label.TraefikBackendHealthCheckHostname: "foo.com",
label.TraefikBackendHealthCheckHeaders: "Foo:bar || Bar:foo",
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label.TraefikBackendLoadBalancerMethod: "drr",
label.TraefikBackendLoadBalancerSticky: "true",
label.TraefikBackendLoadBalancerStickiness: "true",
label.TraefikBackendLoadBalancerStickinessCookieName: "chocolate",
label.TraefikBackendMaxConnAmount: "666",
label.TraefikBackendMaxConnExtractorFunc: "client.ip",
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label.TraefikBackendBufferingMaxResponseBodyBytes: "10485760",
label.TraefikBackendBufferingMemResponseBodyBytes: "2097152",
label.TraefikBackendBufferingMaxRequestBodyBytes: "10485760",
label.TraefikBackendBufferingMemRequestBodyBytes: "2097152",
label.TraefikBackendBufferingRetryExpression: "IsNetworkError() && Attempts() <= 2",
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label.TraefikFrontendPassTLSClientCertPem: "true",
label.TraefikFrontendPassTLSClientCertInfosNotBefore: "true",
label.TraefikFrontendPassTLSClientCertInfosNotAfter: "true",
label.TraefikFrontendPassTLSClientCertInfosSans: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectCommonName: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectCountry: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectLocality: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectOrganization: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectProvince: "true",
label.TraefikFrontendPassTLSClientCertInfosSubjectSerialNumber: "true",
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label.TraefikFrontendAuthBasic: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
label.TraefikFrontendAuthBasicRemoveHeader: "true",
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label.TraefikFrontendAuthBasicUsers: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
label.TraefikFrontendAuthBasicUsersFile: ".htpasswd",
label.TraefikFrontendAuthDigestRemoveHeader: "true",
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label.TraefikFrontendAuthDigestUsers: "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
label.TraefikFrontendAuthDigestUsersFile: ".htpasswd",
label.TraefikFrontendAuthForwardAddress: "auth.server",
label.TraefikFrontendAuthForwardTrustForwardHeader: "true",
label.TraefikFrontendAuthForwardTLSCa: "ca.crt",
label.TraefikFrontendAuthForwardTLSCaOptional: "true",
label.TraefikFrontendAuthForwardTLSCert: "server.crt",
label.TraefikFrontendAuthForwardTLSKey: "server.key",
label.TraefikFrontendAuthForwardTLSInsecureSkipVerify: "true",
label.TraefikFrontendAuthHeaderField: "X-WebAuth-User",
label.TraefikFrontendEntryPoints: "http,https",
label.TraefikFrontendPassHostHeader: "true",
label.TraefikFrontendPassTLSCert: "true",
label.TraefikFrontendPriority: "666",
label.TraefikFrontendRedirectEntryPoint: "https",
label.TraefikFrontendRedirectRegex: "nope",
label.TraefikFrontendRedirectReplacement: "nope",
label.TraefikFrontendRedirectPermanent: "true",
label.TraefikFrontendRule: "Host:traefik.io",
label.TraefikFrontendWhiteListSourceRange: "10.10.10.10",
label.TraefikFrontendWhiteListUseXForwardedFor: "true",
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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",
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label.TraefikFrontendCustomBrowserXSSValue: "foo",
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label.TraefikFrontendSTSSeconds: "666",
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label.TraefikFrontendSSLForceHost: "true",
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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,
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PassTLSClientCert: &types.TLSClientHeaders{
PEM: true,
Infos: &types.TLSClientCertificateInfos{
NotBefore: true,
Sans: true,
NotAfter: true,
Subject: &types.TLSCLientCertificateSubjectInfos{
CommonName: true,
Country: true,
Locality: true,
Organization: true,
Province: true,
SerialNumber: true,
},
},
},
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Auth: &types.Auth{
HeaderField: "X-WebAuth-User",
Basic: &types.Basic{
RemoveHeader: true,
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Users: []string{"test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/",
"test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"},
UsersFile: ".htpasswd",
},
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},
WhiteList: &types.WhiteList{
SourceRange: []string{"10.10.10.10"},
UseXForwardedFor: true,
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},
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",
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SSLForceHost: true,
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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,
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CustomBrowserXSSValue: "foo",
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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",
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Backend: "backend-foobar",
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},
"bar": {
Status: []string{"500", "600"},
Query: "bar_query",
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Backend: "backend-foobar",
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},
},
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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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Permanent: true,
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},
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},
},
expectedBackends: map[string]*types.Backend{
"backend-foobar": {
Servers: map[string]types.Server{
"server-test1-7f6444e0dff3330c8b0ad2bbbd383b0f": {
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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{
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Scheme: "http",
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Path: "/health",
Port: 880,
Interval: "6",
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Hostname: "foo.com",
Headers: map[string]string{
"Foo": "bar",
"Bar": "foo",
},
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},
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Buffering: &types.Buffering{
MaxResponseBodyBytes: 10485760,
MemResponseBodyBytes: 2097152,
MaxRequestBodyBytes: 10485760,
MemRequestBodyBytes: 2097152,
RetryExpression: "IsNetworkError() && Attempts() <= 2",
},
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},
},
},
{
desc: "when docker compose scale with different compose service names",
containers: []docker.ContainerJSON{
containerJSON(
name("test_0"),
labels(map[string]string{
labelDockerComposeProject: "myProject",
labelDockerComposeService: "myService",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.1")),
),
containerJSON(
name("test_1"),
labels(map[string]string{
labelDockerComposeProject: "myProject",
labelDockerComposeService: "myService",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.2")),
),
containerJSON(
name("test_2"),
labels(map[string]string{
labelDockerComposeProject: "myProject",
labelDockerComposeService: "myService2",
}),
ports(nat.PortMap{
"80/tcp": {},
}),
withNetwork("bridge", ipv4("127.0.0.3")),
),
},
expectedFrontends: map[string]*types.Frontend{
"frontend-Host-myService-myProject-docker-localhost-0": {
Backend: "backend-myService-myProject",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
"route-frontend-Host-myService-myProject-docker-localhost-0": {
Rule: "Host:myService.myProject.docker.localhost",
},
},
},
"frontend-Host-myService2-myProject-docker-localhost-2": {
Backend: "backend-myService2-myProject",
PassHostHeader: true,
EntryPoints: []string{},
Routes: map[string]types.Route{
"route-frontend-Host-myService2-myProject-docker-localhost-2": {
Rule: "Host:myService2.myProject.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-myService-myProject": {
Servers: map[string]types.Server{
"server-test-0-842895ca2aca17f6ee36ddb2f621194d": {
URL: "http://127.0.0.1:80",
Weight: label.DefaultWeight,
},
"server-test-1-48093b9fc43454203aacd2bc4057a08c": {
URL: "http://127.0.0.2:80",
Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
"backend-myService2-myProject": {
Servers: map[string]types.Server{
"server-test-2-405767e9733427148cd8dae6c4d331b0": {
URL: "http://127.0.0.3:80",
Weight: label.DefaultWeight,
},
},
CircuitBreaker: nil,
},
},
},
}
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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,
Network: "webnet",
}
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actualConfig := provider.buildConfigurationV2(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()
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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 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()
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dData := parseContainer(test.container)
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segmentProperties := label.ExtractTraefikLabels(dData.Labels)
dData.SegmentLabels = segmentProperties[""]
provider := &Provider{
Domain: "docker.localhost",
}
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actual := provider.getFrontendName(dData, 0)
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assert.Equal(t, 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("foo"),
labels(map[string]string{
label.TraefikDomain: "traefik.localhost",
})),
expected: "Host:foo.traefik.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()
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dData := parseContainer(test.container)
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segmentProperties := label.ExtractTraefikLabels(dData.Labels)
provider := &Provider{
Domain: "docker.localhost",
}
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actual := provider.getFrontendRule(dData, segmentProperties[""])
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assert.Equal(t, test.expected, actual)
})
}
}
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func TestDockerGetBackendName(t *testing.T) {
testCases := []struct {
container docker.ContainerJSON
segmentName string
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",
},
{
container: containerJSON(labels(map[string]string{
"com.docker.compose.project": "foo",
"com.docker.compose.service": "bar",
"traefik.sauternes.backend": "titi",
})),
segmentName: "sauternes",
expected: "bar-foo-titi",
},
}
for containerID, test := range testCases {
test := test
t.Run(strconv.Itoa(containerID), func(t *testing.T) {
t.Parallel()
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dData := parseContainer(test.container)
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segmentProperties := label.ExtractTraefikLabels(dData.Labels)
dData.SegmentLabels = segmentProperties[test.segmentName]
dData.SegmentName = test.segmentName
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actual := getBackendName(dData)
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assert.Equal(t, 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"),
withNetwork("testnet", ipv4("10.11.12.13")),
withNetwork("webnet", ipv4("10.11.12.14")),
),
expected: "10.11.12.14",
},
{
container: containerJSON(
labels(map[string]string{
labelDockerNetwork: "testnet",
}),
withNetwork("testnet", ipv4("10.11.12.13")),
withNetwork("webnet", ipv4("10.11.12.14")),
),
expected: "10.11.12.13",
},
{
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()
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dData := parseContainer(test.container)
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segmentProperties := label.ExtractTraefikLabels(dData.Labels)
dData.SegmentLabels = segmentProperties[""]
provider := &Provider{
Network: "webnet",
}
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actual := provider.getDeprecatedIPAddress(dData)
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assert.Equal(t, test.expected, actual)
})
}
}
func TestDockerGetIPPort(t *testing.T) {
testCases := []struct {
desc string
container docker.ContainerJSON
ip, port string
expectsError bool
}{
{
desc: "label traefik.port not set, no binding, falling back on the container's IP/Port",
container: containerJSON(
ports(nat.PortMap{
"8080/tcp": {},
}),
withNetwork("testnet", ipv4("10.11.12.13"))),
ip: "10.11.12.13",
port: "8080",
},
{
desc: "label traefik.port not set, single binding with port only, falling back on the container's IP/Port",
container: containerJSON(
withNetwork("testnet", ipv4("10.11.12.13")),
ports(nat.PortMap{
"80/tcp": []nat.PortBinding{
{
HostPort: "8082",
},
},
}),
),
ip: "10.11.12.13",
port: "80",
},
{
desc: "label traefik.port not set, binding with ip:port should create a route to the bound ip:port",
container: containerJSON(
ports(nat.PortMap{
"80/tcp": []nat.PortBinding{
{
HostIP: "1.2.3.4",
HostPort: "8081",
},
},
}),
withNetwork("testnet", ipv4("10.11.12.13"))),
ip: "1.2.3.4",
port: "8081",
},
{
desc: "label traefik.port set, no binding, falling back on the container's IP/traefik.port",
container: containerJSON(
labels(map[string]string{
label.TraefikPort: "80",
}),
withNetwork("testnet", ipv4("10.11.12.13"))),
ip: "10.11.12.13",
port: "80",
},
{
desc: "label traefik.port set, single binding with ip:port for the label, creates the route",
container: containerJSON(
labels(map[string]string{
label.TraefikPort: "443",
}),
ports(nat.PortMap{
"443/tcp": []nat.PortBinding{
{
HostIP: "5.6.7.8",
HostPort: "8082",
},
},
}),
withNetwork("testnet", ipv4("10.11.12.13"))),
ip: "5.6.7.8",
port: "8082",
},
{
desc: "label traefik.port set, no binding on the corresponding port, falling back on the container's IP/label.port",
container: containerJSON(
labels(map[string]string{
label.TraefikPort: "80",
}),
ports(nat.PortMap{
"443/tcp": []nat.PortBinding{
{
HostIP: "5.6.7.8",
HostPort: "8082",
},
},
}),
withNetwork("testnet", ipv4("10.11.12.13"))),
ip: "10.11.12.13",
port: "80",
},
{
desc: "label traefik.port set, multiple bindings on different ports, uses the label to select the correct (first) binding",
container: containerJSON(
labels(map[string]string{
label.TraefikPort: "80",
}),
ports(nat.PortMap{
"80/tcp": []nat.PortBinding{
{
HostIP: "1.2.3.4",
HostPort: "8081",
},
},
"443/tcp": []nat.PortBinding{
{
HostIP: "5.6.7.8",
HostPort: "8082",
},
},
}),
withNetwork("testnet", ipv4("10.11.12.13"))),
ip: "1.2.3.4",
port: "8081",
},
{
desc: "label traefik.port set, multiple bindings on different ports, uses the label to select the correct (second) binding",
container: containerJSON(
labels(map[string]string{
label.TraefikPort: "443",
}),
ports(nat.PortMap{
"80/tcp": []nat.PortBinding{
{
HostIP: "1.2.3.4",
HostPort: "8081",
},
},
"443/tcp": []nat.PortBinding{
{
HostIP: "5.6.7.8",
HostPort: "8082",
},
},
}),
withNetwork("testnet", ipv4("10.11.12.13"))),
ip: "5.6.7.8",
port: "8082",
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
dData := parseContainer(test.container)
segmentProperties := label.ExtractTraefikLabels(dData.Labels)
dData.SegmentLabels = segmentProperties[""]
provider := &Provider{
Network: "testnet",
UseBindPortIP: true,
}
actualIP, actualPort, actualError := provider.getIPPort(dData)
if test.expectsError {
require.Error(t, actualError)
} else {
require.NoError(t, actualError)
}
assert.Equal(t, test.ip, actualIP)
assert.Equal(t, test.port, actualPort)
})
}
}
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",
},
}
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for containerID, test := range testCases {
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test := test
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t.Run(strconv.Itoa(containerID), func(t *testing.T) {
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t.Parallel()
dData := parseContainer(test.container)
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segmentProperties := label.ExtractTraefikLabels(dData.Labels)
dData.SegmentLabels = segmentProperties[""]
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actual := getPort(dData)
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assert.Equal(t, test.expected, actual)
})
}
}
func TestDockerGetServers(t *testing.T) {
p := &Provider{}
testCases := []struct {
desc string
containers []docker.ContainerJSON
expected map[string]types.Server
}{
{
desc: "no container",
expected: nil,
},
{
desc: "with a simple container",
containers: []docker.ContainerJSON{
containerJSON(
name("test1"),
withNetwork("testnet", ipv4("10.10.10.10")),
ports(nat.PortMap{
"80/tcp": {},
})),
},
expected: map[string]types.Server{
"server-test1-fb00f762970935200c76ccdaf91458f6": {
URL: "http://10.10.10.10:80",
Weight: 1,
},
},
},
{
desc: "with several containers",
containers: []docker.ContainerJSON{
containerJSON(
name("test1"),
withNetwork("testnet", ipv4("10.10.10.11")),
ports(nat.PortMap{
"80/tcp": {},
})),
containerJSON(
name("test2"),
withNetwork("testnet", ipv4("10.10.10.12")),
ports(nat.PortMap{
"81/tcp": {},
})),
containerJSON(
name("test3"),
withNetwork("testnet", ipv4("10.10.10.13")),
ports(nat.PortMap{
"82/tcp": {},
})),
},
expected: map[string]types.Server{
"server-test1-743440b6f4a8ffd8737626215f2c5a33": {
URL: "http://10.10.10.11:80",
Weight: 1,
},
"server-test2-547f74bbb5da02b6c8141ce9aa96c13b": {
URL: "http://10.10.10.12:81",
Weight: 1,
},
"server-test3-c57fd8b848c814a3f2a4a4c12e13c179": {
URL: "http://10.10.10.13:82",
Weight: 1,
},
},
},
{
desc: "ignore one container because no ip address",
containers: []docker.ContainerJSON{
containerJSON(
name("test1"),
withNetwork("testnet", ipv4("")),
ports(nat.PortMap{
"80/tcp": {},
})),
containerJSON(
name("test2"),
withNetwork("testnet", ipv4("10.10.10.12")),
ports(nat.PortMap{
"81/tcp": {},
})),
containerJSON(
name("test3"),
withNetwork("testnet", ipv4("10.10.10.13")),
ports(nat.PortMap{
"82/tcp": {},
})),
},
expected: map[string]types.Server{
"server-test2-547f74bbb5da02b6c8141ce9aa96c13b": {
URL: "http://10.10.10.12:81",
Weight: 1,
},
"server-test3-c57fd8b848c814a3f2a4a4c12e13c179": {
URL: "http://10.10.10.13:82",
Weight: 1,
},
},
},
}
for _, test := range testCases {
test := test
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)
}
servers := p.getServers(dockerDataList)
assert.Equal(t, test.expected, servers)
})
}
}