homogenization of templates: Docker
This commit is contained in:
Ludovic Fernandez
Traefiker
parent
617b8b20f0
commit
750878d668
11 changed files with 2786 additions and 1170 deletions
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@ -2,6 +2,7 @@ package docker
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import (
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"context"
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"math"
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"strconv"
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"strings"
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@ -99,21 +100,7 @@ func (p Provider) getIPAddress(container dockerData) string {
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return ""
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}
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func hasLoadBalancerLabel(container dockerData) bool {
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method := label.Has(container.Labels, label.TraefikBackendLoadBalancerMethod)
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sticky := label.Has(container.Labels, label.TraefikBackendLoadBalancerSticky)
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stickiness := label.Has(container.Labels, label.TraefikBackendLoadBalancerStickiness)
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cookieName := label.Has(container.Labels, label.TraefikBackendLoadBalancerStickinessCookieName)
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return method || sticky || stickiness || cookieName
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}
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func hasMaxConnLabels(container dockerData) bool {
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mca := label.Has(container.Labels, label.TraefikBackendMaxConnAmount)
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mcef := label.Has(container.Labels, label.TraefikBackendMaxConnExtractorFunc)
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return mca && mcef
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}
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func getBackend(container dockerData) string {
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func getBackendName(container dockerData) string {
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if value := label.GetStringValue(container.Labels, label.TraefikBackend, ""); len(value) != 0 {
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return provider.Normalize(value)
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}
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@ -154,27 +141,95 @@ func getSubDomain(name string) string {
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return strings.Replace(strings.Replace(strings.TrimPrefix(name, "/"), "/", "-", -1), "_", "-", -1)
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}
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// TODO: Deprecated
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// Deprecated replaced by Stickiness
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func getSticky(container dockerData) string {
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if label.Has(container.Labels, label.TraefikBackendLoadBalancerSticky) {
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log.Warnf("Deprecated configuration found: %s. Please use %s.", label.TraefikBackendLoadBalancerSticky, label.TraefikBackendLoadBalancerStickiness)
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}
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return label.GetStringValue(container.Labels, label.TraefikBackendLoadBalancerSticky, "false")
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}
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func isBackendLBSwarm(container dockerData) bool {
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return label.GetBoolValue(container.Labels, labelBackendLoadBalancerSwarm, false)
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}
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func hasRedirect(container dockerData) bool {
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return label.Has(container.Labels, label.TraefikFrontendRedirectEntryPoint) ||
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label.Has(container.Labels, label.TraefikFrontendRedirectReplacement) && label.Has(container.Labels, label.TraefikFrontendRedirectRegex)
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func getMaxConn(container dockerData) *types.MaxConn {
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amount := label.GetInt64Value(container.Labels, label.TraefikBackendMaxConnAmount, math.MinInt64)
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extractorFunc := label.GetStringValue(container.Labels, label.TraefikBackendMaxConnExtractorFunc, label.DefaultBackendMaxconnExtractorFunc)
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if amount == math.MinInt64 || len(extractorFunc) == 0 {
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return nil
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}
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return &types.MaxConn{
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Amount: amount,
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ExtractorFunc: extractorFunc,
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}
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}
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func hasErrorPages(container dockerData) bool {
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return label.HasPrefix(container.Labels, label.Prefix+label.BaseFrontendErrorPage)
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func getLoadBalancer(container dockerData) *types.LoadBalancer {
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if !label.HasPrefix(container.Labels, label.TraefikBackendLoadBalancer) {
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return nil
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}
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method := label.GetStringValue(container.Labels, label.TraefikBackendLoadBalancerMethod, label.DefaultBackendLoadBalancerMethod)
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lb := &types.LoadBalancer{
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Method: method,
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Sticky: getSticky(container),
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}
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if label.GetBoolValue(container.Labels, label.TraefikBackendLoadBalancerStickiness, false) {
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cookieName := label.GetStringValue(container.Labels, label.TraefikBackendLoadBalancerStickinessCookieName, label.DefaultBackendLoadbalancerStickinessCookieName)
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lb.Stickiness = &types.Stickiness{CookieName: cookieName}
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}
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return lb
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}
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// TODO: Deprecated
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// replaced by Stickiness
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// Deprecated
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func getSticky(container dockerData) bool {
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if label.Has(container.Labels, label.TraefikBackendLoadBalancerSticky) {
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log.Warnf("Deprecated configuration found: %s. Please use %s.", label.TraefikBackendLoadBalancerSticky, label.TraefikBackendLoadBalancerStickiness)
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}
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return label.GetBoolValue(container.Labels, label.TraefikBackendLoadBalancerSticky, false)
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}
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func getCircuitBreaker(container dockerData) *types.CircuitBreaker {
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circuitBreaker := label.GetStringValue(container.Labels, label.TraefikBackendCircuitBreakerExpression, "")
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if len(circuitBreaker) == 0 {
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return nil
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}
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return &types.CircuitBreaker{Expression: circuitBreaker}
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}
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func getHealthCheck(container dockerData) *types.HealthCheck {
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path := label.GetStringValue(container.Labels, label.TraefikBackendHealthCheckPath, "")
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if len(path) == 0 {
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return nil
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}
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port := label.GetIntValue(container.Labels, label.TraefikBackendHealthCheckPort, label.DefaultBackendHealthCheckPort)
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interval := label.GetStringValue(container.Labels, label.TraefikBackendHealthCheckInterval, "")
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return &types.HealthCheck{
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Path: path,
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Port: port,
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Interval: interval,
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}
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}
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func getRedirect(container dockerData) *types.Redirect {
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if label.Has(container.Labels, label.TraefikFrontendRedirectEntryPoint) {
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return &types.Redirect{
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EntryPoint: label.GetStringValue(container.Labels, label.TraefikFrontendRedirectEntryPoint, ""),
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}
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}
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if label.Has(container.Labels, label.TraefikFrontendRedirectRegex) &&
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label.Has(container.Labels, label.TraefikFrontendRedirectReplacement) {
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return &types.Redirect{
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Regex: label.GetStringValue(container.Labels, label.TraefikFrontendRedirectRegex, ""),
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Replacement: label.GetStringValue(container.Labels, label.TraefikFrontendRedirectReplacement, ""),
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}
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}
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return nil
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}
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func getErrorPages(container dockerData) map[string]*types.ErrorPage {
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@ -182,46 +237,76 @@ func getErrorPages(container dockerData) map[string]*types.ErrorPage {
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return label.ParseErrorPages(container.Labels, prefix, label.RegexpFrontendErrorPage)
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}
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func getRateLimits(container dockerData) map[string]*types.Rate {
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func getRateLimit(container dockerData) *types.RateLimit {
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extractorFunc := label.GetStringValue(container.Labels, label.TraefikFrontendRateLimitExtractorFunc, "")
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if len(extractorFunc) == 0 {
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return nil
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}
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prefix := label.Prefix + label.BaseFrontendRateLimit
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return label.ParseRateSets(container.Labels, prefix, label.RegexpFrontendRateLimit)
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limits := label.ParseRateSets(container.Labels, prefix, label.RegexpFrontendRateLimit)
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return &types.RateLimit{
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ExtractorFunc: extractorFunc,
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RateSet: limits,
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}
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}
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func hasHeaders(container dockerData) bool {
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for key := range container.Labels {
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if strings.HasPrefix(key, label.TraefikFrontendHeaders) {
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return true
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}
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func getHeaders(container dockerData) *types.Headers {
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headers := &types.Headers{
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CustomRequestHeaders: label.GetMapValue(container.Labels, label.TraefikFrontendRequestHeaders),
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CustomResponseHeaders: label.GetMapValue(container.Labels, label.TraefikFrontendResponseHeaders),
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SSLProxyHeaders: label.GetMapValue(container.Labels, label.TraefikFrontendSSLProxyHeaders),
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AllowedHosts: label.GetSliceStringValue(container.Labels, label.TraefikFrontendAllowedHosts),
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HostsProxyHeaders: label.GetSliceStringValue(container.Labels, label.TraefikFrontendHostsProxyHeaders),
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STSSeconds: label.GetInt64Value(container.Labels, label.TraefikFrontendSTSSeconds, 0),
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SSLRedirect: label.GetBoolValue(container.Labels, label.TraefikFrontendSSLRedirect, false),
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SSLTemporaryRedirect: label.GetBoolValue(container.Labels, label.TraefikFrontendSSLTemporaryRedirect, false),
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STSIncludeSubdomains: label.GetBoolValue(container.Labels, label.TraefikFrontendSTSIncludeSubdomains, false),
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STSPreload: label.GetBoolValue(container.Labels, label.TraefikFrontendSTSPreload, false),
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ForceSTSHeader: label.GetBoolValue(container.Labels, label.TraefikFrontendForceSTSHeader, false),
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FrameDeny: label.GetBoolValue(container.Labels, label.TraefikFrontendFrameDeny, false),
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ContentTypeNosniff: label.GetBoolValue(container.Labels, label.TraefikFrontendContentTypeNosniff, false),
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BrowserXSSFilter: label.GetBoolValue(container.Labels, label.TraefikFrontendBrowserXSSFilter, false),
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IsDevelopment: label.GetBoolValue(container.Labels, label.TraefikFrontendIsDevelopment, false),
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SSLHost: label.GetStringValue(container.Labels, label.TraefikFrontendSSLHost, ""),
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CustomFrameOptionsValue: label.GetStringValue(container.Labels, label.TraefikFrontendCustomFrameOptionsValue, ""),
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ContentSecurityPolicy: label.GetStringValue(container.Labels, label.TraefikFrontendContentSecurityPolicy, ""),
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PublicKey: label.GetStringValue(container.Labels, label.TraefikFrontendPublicKey, ""),
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ReferrerPolicy: label.GetStringValue(container.Labels, label.TraefikFrontendReferrerPolicy, ""),
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}
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return false
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if !headers.HasSecureHeadersDefined() && !headers.HasCustomHeadersDefined() {
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return nil
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}
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return headers
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}
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// Deprecated
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func hasLoadBalancerLabel(container dockerData) bool {
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method := label.Has(container.Labels, label.TraefikBackendLoadBalancerMethod)
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sticky := label.Has(container.Labels, label.TraefikBackendLoadBalancerSticky)
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stickiness := label.Has(container.Labels, label.TraefikBackendLoadBalancerStickiness)
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cookieName := label.Has(container.Labels, label.TraefikBackendLoadBalancerStickinessCookieName)
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return method || sticky || stickiness || cookieName
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}
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// Deprecated
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func hasMaxConnLabels(container dockerData) bool {
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mca := label.Has(container.Labels, label.TraefikBackendMaxConnAmount)
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mcef := label.Has(container.Labels, label.TraefikBackendMaxConnExtractorFunc)
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return mca && mcef
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}
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// Label functions
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func getFuncInt64Label(labelName string, defaultValue int64) func(container dockerData) int64 {
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return func(container dockerData) int64 {
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return label.GetInt64Value(container.Labels, labelName, defaultValue)
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}
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}
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func getFuncMapLabel(labelName string) func(container dockerData) map[string]string {
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return func(container dockerData) map[string]string {
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return label.GetMapValue(container.Labels, labelName)
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}
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}
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func getFuncStringLabel(labelName string, defaultValue string) func(container dockerData) string {
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return func(container dockerData) string {
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return label.GetStringValue(container.Labels, labelName, defaultValue)
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}
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}
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func getFuncIntLabel(labelName string, defaultValue int) func(container dockerData) int {
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return func(container dockerData) int {
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return label.GetIntValue(container.Labels, labelName, defaultValue)
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}
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}
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func getFuncBoolLabel(labelName string, defaultValue bool) func(container dockerData) bool {
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return func(container dockerData) bool {
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return label.GetBoolValue(container.Labels, labelName, defaultValue)
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@ -234,6 +319,19 @@ func getFuncSliceStringLabel(labelName string) func(container dockerData) []stri
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}
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}
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func getFuncIntLabel(labelName string, defaultValue int) func(container dockerData) int {
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return func(container dockerData) int {
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return label.GetIntValue(container.Labels, labelName, defaultValue)
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}
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}
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func getFuncInt64Label(labelName string, defaultValue int64) func(container dockerData) int64 {
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return func(container dockerData) int64 {
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return label.GetInt64Value(container.Labels, labelName, defaultValue)
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}
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}
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// Deprecated
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func hasFunc(labelName string) func(container dockerData) bool {
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return func(container dockerData) bool {
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return label.Has(container.Labels, labelName)
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