homogenization of templates: Rancher
This commit is contained in:
Ludovic Fernandez
Traefiker
parent
30ffba78e6
commit
0d57e2aed9
4 changed files with 1156 additions and 441 deletions
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@ -1,7 +1,9 @@
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package rancher
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import (
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"fmt"
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"math"
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"strconv"
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"strings"
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"text/template"
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@ -15,70 +17,57 @@ import (
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func (p *Provider) buildConfiguration(services []rancherData) *types.Configuration {
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var RancherFuncMap = template.FuncMap{
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"getDomain": getFuncString(label.TraefikDomain, p.Domain), // FIXME dead ?
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"getDomain": getFuncString(label.TraefikDomain, p.Domain),
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// Backend functions
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"getPort": getFuncString(label.TraefikPort, ""),
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"getProtocol": getFuncString(label.TraefikProtocol, label.DefaultProtocol),
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"getWeight": getFuncString(label.TraefikWeight, label.DefaultWeight),
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"hasCircuitBreakerLabel": hasFunc(label.TraefikBackendCircuitBreakerExpression),
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"getCircuitBreaker": getCircuitBreaker,
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"getLoadBalancer": getLoadBalancer,
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"getMaxConn": getMaxConn,
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"getHealthCheck": getHealthCheck,
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"getServers": getServers,
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// TODO Deprecated [breaking]
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"getPort": getFuncString(label.TraefikPort, ""),
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// TODO Deprecated [breaking]
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"getProtocol": getFuncString(label.TraefikProtocol, label.DefaultProtocol),
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// TODO Deprecated [breaking]
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"getWeight": getFuncInt(label.TraefikWeight, label.DefaultWeightInt),
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// TODO Deprecated [breaking]
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"hasCircuitBreakerLabel": hasFunc(label.TraefikBackendCircuitBreakerExpression),
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// TODO Deprecated [breaking]
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"getCircuitBreakerExpression": getFuncString(label.TraefikBackendCircuitBreakerExpression, label.DefaultCircuitBreakerExpression),
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"hasLoadBalancerLabel": hasLoadBalancerLabel,
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"getLoadBalancerMethod": getFuncString(label.TraefikBackendLoadBalancerMethod, label.DefaultBackendLoadBalancerMethod),
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"hasMaxConnLabels": hasMaxConnLabels,
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"getMaxConnAmount": getFuncInt64(label.TraefikBackendMaxConnAmount, math.MaxInt64),
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"getMaxConnExtractorFunc": getFuncString(label.TraefikBackendMaxConnExtractorFunc, label.DefaultBackendMaxconnExtractorFunc),
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"getSticky": getSticky,
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"hasStickinessLabel": hasFunc(label.TraefikBackendLoadBalancerStickiness),
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"getStickinessCookieName": getFuncString(label.TraefikBackendLoadBalancerStickinessCookieName, label.DefaultBackendLoadbalancerStickinessCookieName),
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"hasHealthCheckLabels": hasFunc(label.TraefikBackendHealthCheckPath),
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"getHealthCheckPath": getFuncString(label.TraefikBackendHealthCheckPath, ""),
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"getHealthCheckPort": getFuncInt(label.TraefikBackendHealthCheckPort, label.DefaultBackendHealthCheckPort),
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"getHealthCheckInterval": getFuncString(label.TraefikBackendHealthCheckInterval, ""),
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// TODO Deprecated [breaking]
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"hasLoadBalancerLabel": hasLoadBalancerLabel,
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// TODO Deprecated [breaking]
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"getLoadBalancerMethod": getFuncString(label.TraefikBackendLoadBalancerMethod, label.DefaultBackendLoadBalancerMethod),
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// TODO Deprecated [breaking]
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"hasMaxConnLabels": hasMaxConnLabels,
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// TODO Deprecated [breaking]
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"getMaxConnAmount": getFuncInt64(label.TraefikBackendMaxConnAmount, 0),
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// TODO Deprecated [breaking]
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"getMaxConnExtractorFunc": getFuncString(label.TraefikBackendMaxConnExtractorFunc, label.DefaultBackendMaxconnExtractorFunc),
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// TODO Deprecated [breaking]
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"getSticky": getSticky,
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// TODO Deprecated [breaking]
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"hasStickinessLabel": hasFunc(label.TraefikBackendLoadBalancerStickiness),
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// TODO Deprecated [breaking]
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"getStickinessCookieName": getFuncString(label.TraefikBackendLoadBalancerStickinessCookieName, label.DefaultBackendLoadbalancerStickinessCookieName),
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// Frontend functions
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"getBackend": getBackend,
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"getPriority": getFuncString(label.TraefikFrontendPriority, label.DefaultFrontendPriority),
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"getPassHostHeader": getFuncString(label.TraefikFrontendPassHostHeader, label.DefaultPassHostHeader),
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"getPassTLSCert": getFuncBool(label.TraefikFrontendPassTLSCert, label.DefaultPassTLSCert),
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"getEntryPoints": getFuncSliceString(label.TraefikFrontendEntryPoints),
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"getBasicAuth": getFuncSliceString(label.TraefikFrontendAuthBasic),
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"getWhitelistSourceRange": getFuncSliceString(label.TraefikFrontendWhitelistSourceRange),
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"getFrontendRule": p.getFrontendRule,
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"hasRedirect": hasRedirect,
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"getRedirectEntryPoint": getFuncString(label.TraefikFrontendRedirectEntryPoint, label.DefaultFrontendRedirectEntryPoint),
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"getRedirectRegex": getFuncString(label.TraefikFrontendRedirectRegex, ""),
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"getRedirectReplacement": getFuncString(label.TraefikFrontendRedirectReplacement, ""),
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"hasErrorPages": hasPrefixFunc(label.Prefix + label.BaseFrontendErrorPage),
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"getErrorPages": getErrorPages,
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"hasRateLimits": hasFunc(label.TraefikFrontendRateLimitExtractorFunc),
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"getRateLimitsExtractorFunc": getFuncString(label.TraefikFrontendRateLimitExtractorFunc, ""),
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"getRateLimits": getRateLimits,
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// Headers
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"hasHeaders": hasPrefixFunc(label.TraefikFrontendHeaders),
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"hasRequestHeaders": hasFunc(label.TraefikFrontendRequestHeaders),
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"getRequestHeaders": getFuncMap(label.TraefikFrontendRequestHeaders),
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"hasResponseHeaders": hasFunc(label.TraefikFrontendResponseHeaders),
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"getResponseHeaders": getFuncMap(label.TraefikFrontendResponseHeaders),
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"getAllowedHostsHeaders": getFuncSliceString(label.TraefikFrontendAllowedHosts),
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"getHostsProxyHeaders": getFuncSliceString(label.TraefikFrontendHostsProxyHeaders),
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"getSSLRedirectHeaders": getFuncBool(label.TraefikFrontendSSLRedirect, false),
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"getSSLTemporaryRedirectHeaders": getFuncBool(label.TraefikFrontendSSLTemporaryRedirect, false),
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"getSSLHostHeaders": getFuncString(label.TraefikFrontendSSLHost, ""),
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"hasSSLProxyHeaders": hasFunc(label.TraefikFrontendSSLProxyHeaders),
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"getSSLProxyHeaders": getFuncMap(label.TraefikFrontendSSLProxyHeaders),
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"getSTSSecondsHeaders": getFuncInt64(label.TraefikFrontendSTSSeconds, 0),
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"getSTSIncludeSubdomainsHeaders": getFuncBool(label.TraefikFrontendSTSIncludeSubdomains, false),
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"getSTSPreloadHeaders": getFuncBool(label.TraefikFrontendSTSPreload, false),
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"getForceSTSHeaderHeaders": getFuncBool(label.TraefikFrontendForceSTSHeader, false),
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"getFrameDenyHeaders": getFuncBool(label.TraefikFrontendFrameDeny, false),
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"getCustomFrameOptionsValueHeaders": getFuncString(label.TraefikFrontendCustomFrameOptionsValue, ""),
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"getContentTypeNosniffHeaders": getFuncBool(label.TraefikFrontendContentTypeNosniff, false),
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"getBrowserXSSFilterHeaders": getFuncBool(label.TraefikFrontendBrowserXSSFilter, false),
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"getContentSecurityPolicyHeaders": getFuncString(label.TraefikFrontendContentSecurityPolicy, ""),
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"getPublicKeyHeaders": getFuncString(label.TraefikFrontendPublicKey, ""),
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"getReferrerPolicyHeaders": getFuncString(label.TraefikFrontendReferrerPolicy, ""),
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"getIsDevelopmentHeaders": getFuncBool(label.TraefikFrontendIsDevelopment, false),
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"getBackend": getBackendName, // TODO Deprecated [breaking] replaced by getBackendName
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"getBackendName": getBackendName,
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"getFrontendRule": p.getFrontendRule,
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"getPriority": getFuncInt(label.TraefikFrontendPriority, label.DefaultFrontendPriorityInt),
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"getPassHostHeader": getFuncBool(label.TraefikFrontendPassHostHeader, label.DefaultPassHostHeaderBool),
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"getPassTLSCert": getFuncBool(label.TraefikFrontendPassTLSCert, label.DefaultPassTLSCert),
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"getEntryPoints": getFuncSliceString(label.TraefikFrontendEntryPoints),
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"getBasicAuth": getFuncSliceString(label.TraefikFrontendAuthBasic),
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"getWhitelistSourceRange": getFuncSliceString(label.TraefikFrontendWhitelistSourceRange),
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"getErrorPages": getErrorPages,
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"getRateLimit": getRateLimit,
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"getRedirect": getRedirect,
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"getHeaders": getHeaders,
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}
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// filter services
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@ -90,7 +79,7 @@ func (p *Provider) buildConfiguration(services []rancherData) *types.Configurati
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for _, service := range filteredServices {
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frontendName := p.getFrontendName(service)
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frontends[frontendName] = service
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backendName := getBackend(service)
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backendName := getBackendName(service)
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backends[backendName] = service
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}
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@ -113,7 +102,6 @@ func (p *Provider) buildConfiguration(services []rancherData) *types.Configurati
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}
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func (p *Provider) serviceFilter(service rancherData) bool {
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if service.Labels[label.TraefikPort] == "" {
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log.Debugf("Filtering service %s without traefik.port label", service.Name)
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return false
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@ -161,13 +149,14 @@ func (p *Provider) getFrontendName(service rancherData) string {
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// TODO: Deprecated
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// replaced by Stickiness
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// Deprecated
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func getSticky(service rancherData) string {
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func getSticky(service rancherData) bool {
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if label.Has(service.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(service.Labels, label.TraefikBackendLoadBalancerSticky, "false")
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return label.GetBoolValue(service.Labels, label.TraefikBackendLoadBalancerSticky, false)
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}
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// Deprecated
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func hasLoadBalancerLabel(service rancherData) bool {
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method := label.Has(service.Labels, label.TraefikBackendLoadBalancerMethod)
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sticky := label.Has(service.Labels, label.TraefikBackendLoadBalancerSticky)
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@ -176,23 +165,114 @@ func hasLoadBalancerLabel(service rancherData) bool {
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return method || sticky || stickiness || cookieName
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}
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// Deprecated
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func hasMaxConnLabels(service rancherData) bool {
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mca := label.Has(service.Labels, label.TraefikBackendMaxConnAmount)
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mcef := label.Has(service.Labels, label.TraefikBackendMaxConnExtractorFunc)
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return mca && mcef
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}
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func getBackend(service rancherData) string {
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func getBackendName(service rancherData) string {
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backend := label.GetStringValue(service.Labels, label.TraefikBackend, service.Name)
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return provider.Normalize(backend)
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}
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func hasRedirect(service rancherData) bool {
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frep := label.Has(service.Labels, label.TraefikFrontendRedirectEntryPoint)
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frrg := label.Has(service.Labels, label.TraefikFrontendRedirectRegex)
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frrp := label.Has(service.Labels, label.TraefikFrontendRedirectReplacement)
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func getCircuitBreaker(service rancherData) *types.CircuitBreaker {
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circuitBreaker := label.GetStringValue(service.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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return frep || frrg && frrp
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func getLoadBalancer(service rancherData) *types.LoadBalancer {
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if !label.HasPrefix(service.Labels, label.TraefikBackendLoadBalancer) {
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return nil
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}
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method := label.GetStringValue(service.Labels, label.TraefikBackendLoadBalancerMethod, label.DefaultBackendLoadBalancerMethod)
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lb := &types.LoadBalancer{
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Method: method,
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Sticky: getSticky(service),
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}
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if label.GetBoolValue(service.Labels, label.TraefikBackendLoadBalancerStickiness, false) {
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cookieName := label.GetStringValue(service.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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func getMaxConn(service rancherData) *types.MaxConn {
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amount := label.GetInt64Value(service.Labels, label.TraefikBackendMaxConnAmount, math.MinInt64)
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extractorFunc := label.GetStringValue(service.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 getHealthCheck(service rancherData) *types.HealthCheck {
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path := label.GetStringValue(service.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(service.Labels, label.TraefikBackendHealthCheckPort, label.DefaultBackendHealthCheckPort)
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interval := label.GetStringValue(service.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 getServers(service rancherData) map[string]types.Server {
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var servers map[string]types.Server
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for index, ip := range service.Containers {
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if servers == nil {
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servers = make(map[string]types.Server)
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}
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protocol := label.GetStringValue(service.Labels, label.TraefikProtocol, label.DefaultProtocol)
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port := label.GetStringValue(service.Labels, label.TraefikPort, "")
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weight := label.GetIntValue(service.Labels, label.TraefikWeight, label.DefaultWeightInt)
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serverName := "server-" + strconv.Itoa(index)
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servers[serverName] = types.Server{
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URL: fmt.Sprintf("%s://%s:%s", protocol, ip, port),
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Weight: weight,
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}
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}
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return servers
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}
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func getRedirect(service rancherData) *types.Redirect {
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if label.Has(service.Labels, label.TraefikFrontendRedirectEntryPoint) {
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return &types.Redirect{
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EntryPoint: label.GetStringValue(service.Labels, label.TraefikFrontendRedirectEntryPoint, ""),
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}
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}
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if label.Has(service.Labels, label.TraefikFrontendRedirectRegex) &&
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label.Has(service.Labels, label.TraefikFrontendRedirectReplacement) {
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return &types.Redirect{
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Regex: label.GetStringValue(service.Labels, label.TraefikFrontendRedirectRegex, ""),
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Replacement: label.GetStringValue(service.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(service rancherData) map[string]*types.ErrorPage {
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@ -200,9 +280,50 @@ func getErrorPages(service rancherData) map[string]*types.ErrorPage {
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return label.ParseErrorPages(service.Labels, prefix, label.RegexpFrontendErrorPage)
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}
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func getRateLimits(service rancherData) map[string]*types.Rate {
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func getRateLimit(service rancherData) *types.RateLimit {
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extractorFunc := label.GetStringValue(service.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(service.Labels, prefix, label.RegexpFrontendRateLimit)
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limits := label.ParseRateSets(service.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 getHeaders(service rancherData) *types.Headers {
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headers := &types.Headers{
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CustomRequestHeaders: label.GetMapValue(service.Labels, label.TraefikFrontendRequestHeaders),
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CustomResponseHeaders: label.GetMapValue(service.Labels, label.TraefikFrontendResponseHeaders),
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SSLProxyHeaders: label.GetMapValue(service.Labels, label.TraefikFrontendSSLProxyHeaders),
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AllowedHosts: label.GetSliceStringValue(service.Labels, label.TraefikFrontendAllowedHosts),
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HostsProxyHeaders: label.GetSliceStringValue(service.Labels, label.TraefikFrontendHostsProxyHeaders),
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STSSeconds: label.GetInt64Value(service.Labels, label.TraefikFrontendSTSSeconds, 0),
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SSLRedirect: label.GetBoolValue(service.Labels, label.TraefikFrontendSSLRedirect, false),
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SSLTemporaryRedirect: label.GetBoolValue(service.Labels, label.TraefikFrontendSSLTemporaryRedirect, false),
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STSIncludeSubdomains: label.GetBoolValue(service.Labels, label.TraefikFrontendSTSIncludeSubdomains, false),
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STSPreload: label.GetBoolValue(service.Labels, label.TraefikFrontendSTSPreload, false),
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ForceSTSHeader: label.GetBoolValue(service.Labels, label.TraefikFrontendForceSTSHeader, false),
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FrameDeny: label.GetBoolValue(service.Labels, label.TraefikFrontendFrameDeny, false),
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ContentTypeNosniff: label.GetBoolValue(service.Labels, label.TraefikFrontendContentTypeNosniff, false),
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BrowserXSSFilter: label.GetBoolValue(service.Labels, label.TraefikFrontendBrowserXSSFilter, false),
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IsDevelopment: label.GetBoolValue(service.Labels, label.TraefikFrontendIsDevelopment, false),
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SSLHost: label.GetStringValue(service.Labels, label.TraefikFrontendSSLHost, ""),
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CustomFrameOptionsValue: label.GetStringValue(service.Labels, label.TraefikFrontendCustomFrameOptionsValue, ""),
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ContentSecurityPolicy: label.GetStringValue(service.Labels, label.TraefikFrontendContentSecurityPolicy, ""),
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PublicKey: label.GetStringValue(service.Labels, label.TraefikFrontendPublicKey, ""),
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ReferrerPolicy: label.GetStringValue(service.Labels, label.TraefikFrontendReferrerPolicy, ""),
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}
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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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// Label functions
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@ -213,18 +334,18 @@ func getFuncString(labelName string, defaultValue string) func(service rancherDa
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}
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}
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func getFuncInt(labelName string, defaultValue int) func(service rancherData) int {
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return func(service rancherData) int {
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return label.GetIntValue(service.Labels, labelName, defaultValue)
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}
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}
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func getFuncBool(labelName string, defaultValue bool) func(service rancherData) bool {
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return func(service rancherData) bool {
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return label.GetBoolValue(service.Labels, labelName, defaultValue)
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}
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}
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func getFuncInt(labelName string, defaultValue int) func(service rancherData) int {
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return func(service rancherData) int {
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return label.GetIntValue(service.Labels, labelName, defaultValue)
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}
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}
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func getFuncInt64(labelName string, defaultValue int64) func(service rancherData) int64 {
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return func(service rancherData) int64 {
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return label.GetInt64Value(service.Labels, labelName, defaultValue)
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@ -237,20 +358,8 @@ func getFuncSliceString(labelName string) func(service rancherData) []string {
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}
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}
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func getFuncMap(labelName string) func(service rancherData) map[string]string {
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return func(service rancherData) map[string]string {
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return label.GetMapValue(service.Labels, labelName)
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}
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}
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func hasFunc(labelName string) func(service rancherData) bool {
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return func(service rancherData) bool {
|
||||
return label.Has(service.Labels, labelName)
|
||||
}
|
||||
}
|
||||
|
||||
func hasPrefixFunc(prefix string) func(service rancherData) bool {
|
||||
return func(service rancherData) bool {
|
||||
return label.HasPrefix(service.Labels, prefix)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue