traefik/provider/rancher/deprecated_config.go
2018-04-11 16:30:04 +02:00

233 lines
8.2 KiB
Go

package rancher
import (
"strings"
"text/template"
"github.com/BurntSushi/ty/fun"
"github.com/containous/traefik/log"
"github.com/containous/traefik/provider"
"github.com/containous/traefik/provider/label"
"github.com/containous/traefik/types"
)
func (p *Provider) buildConfigurationV1(services []rancherData) *types.Configuration {
var RancherFuncMap = template.FuncMap{
"getDomain": getFuncStringV1(label.TraefikDomain, p.Domain),
// Backend functions
"getPort": getFuncStringV1(label.TraefikPort, ""),
"getProtocol": getFuncStringV1(label.TraefikProtocol, label.DefaultProtocol),
"getWeight": getFuncIntV1(label.TraefikWeight, label.DefaultWeight),
"hasCircuitBreakerLabel": hasFuncV1(label.TraefikBackendCircuitBreakerExpression),
"getCircuitBreakerExpression": getFuncStringV1(label.TraefikBackendCircuitBreakerExpression, label.DefaultCircuitBreakerExpression),
"hasLoadBalancerLabel": hasLoadBalancerLabel,
"getLoadBalancerMethod": getFuncStringV1(label.TraefikBackendLoadBalancerMethod, label.DefaultBackendLoadBalancerMethod),
"hasMaxConnLabels": hasMaxConnLabels,
"getMaxConnAmount": getFuncInt64V1(label.TraefikBackendMaxConnAmount, 0),
"getMaxConnExtractorFunc": getFuncStringV1(label.TraefikBackendMaxConnExtractorFunc, label.DefaultBackendMaxconnExtractorFunc),
"getSticky": getStickyV1,
"hasStickinessLabel": hasFuncV1(label.TraefikBackendLoadBalancerStickiness),
"getStickinessCookieName": getFuncStringV1(label.TraefikBackendLoadBalancerStickinessCookieName, label.DefaultBackendLoadbalancerStickinessCookieName),
// Frontend functions
"getBackend": getBackendNameV1,
"getFrontendRule": p.getFrontendRuleV1,
"getPriority": getFuncIntV1(label.TraefikFrontendPriority, label.DefaultFrontendPriority),
"getPassHostHeader": getFuncBoolV1(label.TraefikFrontendPassHostHeader, label.DefaultPassHostHeader),
"getEntryPoints": getFuncSliceStringV1(label.TraefikFrontendEntryPoints),
"getBasicAuth": getFuncSliceStringV1(label.TraefikFrontendAuthBasic),
"hasRedirect": hasRedirect,
"getRedirectEntryPoint": getRedirectEntryPoint,
"getRedirectRegex": getRedirectRegex,
"getRedirectReplacement": getRedirectReplacement,
}
// filter services
filteredServices := fun.Filter(p.serviceFilterV1, services).([]rancherData)
frontends := map[string]rancherData{}
backends := map[string]rancherData{}
for _, service := range filteredServices {
frontendName := p.getFrontendNameV1(service)
frontends[frontendName] = service
backendName := getBackendNameV1(service)
backends[backendName] = service
}
templateObjects := struct {
Frontends map[string]rancherData
Backends map[string]rancherData
Domain string
}{
Frontends: frontends,
Backends: backends,
Domain: p.Domain,
}
configuration, err := p.GetConfiguration("templates/rancher-v1.tmpl", RancherFuncMap, templateObjects)
if err != nil {
log.Error(err)
}
return configuration
}
// Deprecated
func (p *Provider) serviceFilterV1(service rancherData) bool {
if service.Labels[label.TraefikPort] == "" {
log.Debugf("Filtering service %s without traefik.port label", service.Name)
return false
}
if !label.IsEnabled(service.Labels, p.ExposedByDefault) {
log.Debugf("Filtering disabled service %s", service.Name)
return false
}
constraintTags := label.GetSliceStringValue(service.Labels, label.TraefikTags)
if ok, failingConstraint := p.MatchConstraints(constraintTags); !ok {
if failingConstraint != nil {
log.Debugf("Filtering service %s with constraint %s", service.Name, failingConstraint.String())
}
return false
}
// Only filter services by Health (HealthState) and State if EnableServiceHealthFilter is true
if p.EnableServiceHealthFilter {
if service.Health != "" && service.Health != healthy && service.Health != updatingHealthy {
log.Debugf("Filtering service %s with healthState of %s", service.Name, service.Health)
return false
}
if service.State != "" && service.State != active && service.State != updatingActive && service.State != upgraded && service.State != upgrading {
log.Debugf("Filtering service %s with state of %s", service.Name, service.State)
return false
}
}
return true
}
// Deprecated
func (p *Provider) getFrontendRuleV1(service rancherData) string {
defaultRule := "Host:" + strings.ToLower(strings.Replace(service.Name, "/", ".", -1)) + "." + p.Domain
return label.GetStringValue(service.Labels, label.TraefikFrontendRule, defaultRule)
}
// Deprecated
func (p *Provider) getFrontendNameV1(service rancherData) string {
return provider.Normalize(p.getFrontendRuleV1(service))
}
// Deprecated
func getBackendNameV1(service rancherData) string {
backend := label.GetStringValue(service.Labels, label.TraefikBackend, service.Name)
return provider.Normalize(backend)
}
// TODO: Deprecated
// replaced by Stickiness
// Deprecated
func getStickyV1(service rancherData) bool {
if label.Has(service.Labels, label.TraefikBackendLoadBalancerSticky) {
log.Warnf("Deprecated configuration found: %s. Please use %s.", label.TraefikBackendLoadBalancerSticky, label.TraefikBackendLoadBalancerStickiness)
}
return label.GetBoolValue(service.Labels, label.TraefikBackendLoadBalancerSticky, false)
}
// Deprecated
func hasLoadBalancerLabel(service rancherData) bool {
method := label.Has(service.Labels, label.TraefikBackendLoadBalancerMethod)
sticky := label.Has(service.Labels, label.TraefikBackendLoadBalancerSticky)
stickiness := label.Has(service.Labels, label.TraefikBackendLoadBalancerStickiness)
cookieName := label.Has(service.Labels, label.TraefikBackendLoadBalancerStickinessCookieName)
return method || sticky || stickiness || cookieName
}
// Deprecated
func hasMaxConnLabels(service rancherData) bool {
mca := label.Has(service.Labels, label.TraefikBackendMaxConnAmount)
mcef := label.Has(service.Labels, label.TraefikBackendMaxConnExtractorFunc)
return mca && mcef
}
func hasRedirect(service rancherData) bool {
value := label.GetStringValue(service.Labels, label.TraefikFrontendRedirectEntryPoint, "")
frep := len(value) > 0
value = label.GetStringValue(service.Labels, label.TraefikFrontendRedirectRegex, "")
frrg := len(value) > 0
value = label.GetStringValue(service.Labels, label.TraefikFrontendRedirectReplacement, "")
frrp := len(value) > 0
return frep || frrg && frrp
}
func getRedirectEntryPoint(service rancherData) string {
value := label.GetStringValue(service.Labels, label.TraefikFrontendRedirectEntryPoint, "")
if len(value) == 0 {
return ""
}
return value
}
func getRedirectRegex(service rancherData) string {
value := label.GetStringValue(service.Labels, label.TraefikFrontendRedirectRegex, "")
if len(value) == 0 {
return ""
}
return value
}
func getRedirectReplacement(service rancherData) string {
value := label.GetStringValue(service.Labels, label.TraefikFrontendRedirectReplacement, "")
if len(value) == 0 {
return ""
}
return value
}
// Label functions
// Deprecated
func getFuncStringV1(labelName string, defaultValue string) func(service rancherData) string {
return func(service rancherData) string {
return label.GetStringValue(service.Labels, labelName, defaultValue)
}
}
// Deprecated
func getFuncBoolV1(labelName string, defaultValue bool) func(service rancherData) bool {
return func(service rancherData) bool {
return label.GetBoolValue(service.Labels, labelName, defaultValue)
}
}
// Deprecated
func getFuncIntV1(labelName string, defaultValue int) func(service rancherData) int {
return func(service rancherData) int {
return label.GetIntValue(service.Labels, labelName, defaultValue)
}
}
// Deprecated
func getFuncInt64V1(labelName string, defaultValue int64) func(service rancherData) int64 {
return func(service rancherData) int64 {
return label.GetInt64Value(service.Labels, labelName, defaultValue)
}
}
// Deprecated
func getFuncSliceStringV1(labelName string) func(service rancherData) []string {
return func(service rancherData) []string {
return label.GetSliceStringValue(service.Labels, labelName)
}
}
// Deprecated
func hasFuncV1(labelName string) func(service rancherData) bool {
return func(service rancherData) bool {
return label.Has(service.Labels, labelName)
}
}