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

250 lines
6.9 KiB
Go

package consulcatalog
import (
"bytes"
"sort"
"strconv"
"strings"
"text/template"
"github.com/containous/traefik/log"
"github.com/containous/traefik/provider/label"
"github.com/containous/traefik/types"
"github.com/hashicorp/consul/api"
)
// Deprecated
func (p *Provider) buildConfigurationV1(catalog []catalogUpdate) *types.Configuration {
var FuncMap = template.FuncMap{
"getAttribute": p.getAttribute,
"getTag": getTag,
"hasTag": hasTag,
// Backend functions
"getBackend": getNodeBackendName,
"getServiceBackendName": getServiceBackendName,
"getBackendAddress": getBackendAddress,
"getBackendName": getServerName,
"hasMaxconnAttributes": p.hasMaxConnAttributesV1,
"getSticky": p.getStickyV1,
"hasStickinessLabel": p.hasStickinessLabelV1,
"getStickinessCookieName": p.getStickinessCookieNameV1,
"getWeight": p.getWeight,
"getProtocol": p.getFuncStringAttribute(label.SuffixProtocol, label.DefaultProtocol),
// Frontend functions
"getFrontendRule": p.getFrontendRuleV1,
"getBasicAuth": p.getFuncSliceAttribute(label.SuffixFrontendAuthBasic),
"getEntryPoints": getEntryPointsV1,
"getPriority": p.getFuncIntAttribute(label.SuffixFrontendPriority, label.DefaultFrontendPriority),
"getPassHostHeader": p.getFuncBoolAttribute(label.SuffixFrontendPassHostHeader, label.DefaultPassHostHeader),
"getPassTLSCert": p.getFuncBoolAttribute(label.SuffixFrontendPassTLSCert, label.DefaultPassTLSCert),
}
var allNodes []*api.ServiceEntry
var services []*serviceUpdate
for _, info := range catalog {
if len(info.Nodes) > 0 {
services = append(services, info.Service)
allNodes = append(allNodes, info.Nodes...)
}
}
// Ensure a stable ordering of nodes so that identical configurations may be detected
sort.Sort(nodeSorter(allNodes))
templateObjects := struct {
Services []*serviceUpdate
Nodes []*api.ServiceEntry
}{
Services: services,
Nodes: allNodes,
}
configuration, err := p.GetConfiguration("templates/consul_catalog-v1.tmpl", FuncMap, templateObjects)
if err != nil {
log.WithError(err).Error("Failed to create config")
}
return configuration
}
// Specific functions
// Deprecated
func (p *Provider) getFrontendRuleV1(service serviceUpdate) string {
customFrontendRule := p.getAttribute(label.SuffixFrontendRule, service.Attributes, "")
if customFrontendRule == "" {
customFrontendRule = p.FrontEndRule
}
tmpl := p.frontEndRuleTemplate
tmpl, err := tmpl.Parse(customFrontendRule)
if err != nil {
log.Errorf("Failed to parse Consul Catalog custom frontend rule: %v", err)
return ""
}
templateObjects := struct {
ServiceName string
Domain string
Attributes []string
}{
ServiceName: service.ServiceName,
Domain: p.Domain,
Attributes: service.Attributes,
}
var buffer bytes.Buffer
err = tmpl.Execute(&buffer, templateObjects)
if err != nil {
log.Errorf("Failed to execute Consul Catalog custom frontend rule template: %v", err)
return ""
}
return buffer.String()
}
// Deprecated
func (p *Provider) hasMaxConnAttributesV1(attributes []string) bool {
amount := p.getAttribute(label.SuffixBackendMaxConnAmount, attributes, "")
extractorFunc := p.getAttribute(label.SuffixBackendMaxConnExtractorFunc, attributes, "")
return amount != "" && extractorFunc != ""
}
// Deprecated
func getEntryPointsV1(list string) []string {
return strings.Split(list, ",")
}
// TODO: Deprecated
// replaced by Stickiness
// Deprecated
func (p *Provider) getStickyV1(tags []string) string {
stickyTag := p.getAttribute(label.SuffixBackendLoadBalancerSticky, tags, "")
if len(stickyTag) > 0 {
log.Warnf("Deprecated configuration found: %s. Please use %s.", label.TraefikBackendLoadBalancerSticky, label.TraefikBackendLoadBalancerStickiness)
} else {
stickyTag = "false"
}
return stickyTag
}
// Deprecated
func (p *Provider) hasStickinessLabelV1(tags []string) bool {
stickinessTag := p.getAttribute(label.SuffixBackendLoadBalancerStickiness, tags, "")
return len(stickinessTag) > 0 && strings.EqualFold(strings.TrimSpace(stickinessTag), "true")
}
// Deprecated
func (p *Provider) getStickinessCookieNameV1(tags []string) string {
return p.getAttribute(label.SuffixBackendLoadBalancerStickinessCookieName, tags, "")
}
// Base functions
// Deprecated
func (p *Provider) getFuncStringAttribute(name string, defaultValue string) func(tags []string) string {
return func(tags []string) string {
return p.getAttribute(name, tags, defaultValue)
}
}
// Deprecated
func (p *Provider) getFuncSliceAttribute(name string) func(tags []string) []string {
return func(tags []string) []string {
return p.getSliceAttribute(name, tags)
}
}
// Deprecated
func (p *Provider) getMapAttribute(name string, tags []string) map[string]string {
rawValue := getTag(p.getPrefixedName(name), tags, "")
if len(rawValue) == 0 {
return nil
}
return label.ParseMapValue(p.getPrefixedName(name), rawValue)
}
// Deprecated
func (p *Provider) getFuncIntAttribute(name string, defaultValue int) func(tags []string) int {
return func(tags []string) int {
return p.getIntAttribute(name, tags, defaultValue)
}
}
func (p *Provider) getFuncBoolAttribute(name string, defaultValue bool) func(tags []string) bool {
return func(tags []string) bool {
return p.getBoolAttribute(name, tags, defaultValue)
}
}
// Deprecated
func (p *Provider) getFuncHasAttributePrefix(name string) func(tags []string) bool {
return func(tags []string) bool {
return p.hasAttributePrefix(name, tags)
}
}
// Deprecated
func (p *Provider) getInt64Attribute(name string, tags []string, defaultValue int64) int64 {
rawValue := getTag(p.getPrefixedName(name), tags, "")
if len(rawValue) == 0 {
return defaultValue
}
value, err := strconv.ParseInt(rawValue, 10, 64)
if err != nil {
log.Errorf("Invalid value for %s: %s", name, rawValue)
return defaultValue
}
return value
}
// Deprecated
func (p *Provider) getIntAttribute(name string, tags []string, defaultValue int) int {
rawValue := getTag(p.getPrefixedName(name), tags, "")
if len(rawValue) == 0 {
return defaultValue
}
value, err := strconv.Atoi(rawValue)
if err != nil {
log.Errorf("Invalid value for %s: %s", name, rawValue)
return defaultValue
}
return value
}
// Deprecated
func (p *Provider) getSliceAttribute(name string, tags []string) []string {
rawValue := getTag(p.getPrefixedName(name), tags, "")
if len(rawValue) == 0 {
return nil
}
return label.SplitAndTrimString(rawValue, ",")
}
// Deprecated
func (p *Provider) getBoolAttribute(name string, tags []string, defaultValue bool) bool {
rawValue := getTag(p.getPrefixedName(name), tags, "")
if len(rawValue) == 0 {
return defaultValue
}
value, err := strconv.ParseBool(rawValue)
if err != nil {
log.Errorf("Invalid value for %s: %s", name, rawValue)
return defaultValue
}
return value
}
func (p *Provider) hasAttributePrefix(name string, tags []string) bool {
return hasTagPrefix(p.getPrefixedName(name), tags)
}