327 lines
9.5 KiB
Go
327 lines
9.5 KiB
Go
package mesos
|
|
|
|
import (
|
|
"fmt"
|
|
"math"
|
|
"strconv"
|
|
"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"
|
|
"github.com/mesosphere/mesos-dns/records/state"
|
|
)
|
|
|
|
func (p *Provider) buildConfigurationV1(tasks []state.Task) *types.Configuration {
|
|
var mesosFuncMap = template.FuncMap{
|
|
"getDomain": getFuncStringValueV1(label.TraefikDomain, p.Domain),
|
|
"getID": getIDV1,
|
|
|
|
// Backend functions
|
|
"getBackendName": getBackendNameV1,
|
|
"getHost": p.getHostV1,
|
|
"getProtocol": getFuncApplicationStringValueV1(label.TraefikProtocol, label.DefaultProtocol),
|
|
"getWeight": getFuncApplicationIntValueV1(label.TraefikWeight, label.DefaultWeight),
|
|
"getBackend": getBackendV1,
|
|
"getPort": p.getPort,
|
|
|
|
// Frontend functions
|
|
"getFrontendBackend": getBackendNameV1,
|
|
"getFrontEndName": getFrontendNameV1,
|
|
"getEntryPoints": getFuncSliceStringValueV1(label.TraefikFrontendEntryPoints),
|
|
"getBasicAuth": getFuncSliceStringValueV1(label.TraefikFrontendAuthBasic),
|
|
"getPriority": getFuncIntValueV1(label.TraefikFrontendPriority, label.DefaultFrontendPriority),
|
|
"getPassHostHeader": getFuncBoolValueV1(label.TraefikFrontendPassHostHeader, label.DefaultPassHostHeader),
|
|
"getFrontendRule": p.getFrontendRuleV1,
|
|
}
|
|
|
|
// filter tasks
|
|
filteredTasks := fun.Filter(func(task state.Task) bool {
|
|
return taskFilterV1(task, p.ExposedByDefault)
|
|
}, tasks).([]state.Task)
|
|
|
|
// Deprecated
|
|
var filteredApps []state.Task
|
|
uniqueApps := make(map[string]struct{})
|
|
for _, task := range filteredTasks {
|
|
if _, ok := uniqueApps[task.DiscoveryInfo.Name]; !ok {
|
|
uniqueApps[task.DiscoveryInfo.Name] = struct{}{}
|
|
filteredApps = append(filteredApps, task)
|
|
}
|
|
}
|
|
|
|
appsTasks := make(map[string][]state.Task)
|
|
for _, task := range filteredTasks {
|
|
if _, ok := appsTasks[task.DiscoveryInfo.Name]; !ok {
|
|
appsTasks[task.DiscoveryInfo.Name] = []state.Task{task}
|
|
} else {
|
|
appsTasks[task.DiscoveryInfo.Name] = append(appsTasks[task.DiscoveryInfo.Name], task)
|
|
}
|
|
}
|
|
|
|
templateObjects := struct {
|
|
ApplicationsTasks map[string][]state.Task
|
|
Applications []state.Task // Deprecated
|
|
Tasks []state.Task // Deprecated
|
|
Domain string
|
|
}{
|
|
ApplicationsTasks: appsTasks,
|
|
Applications: filteredApps, // Deprecated
|
|
Tasks: filteredTasks, // Deprecated
|
|
Domain: p.Domain,
|
|
}
|
|
|
|
configuration, err := p.GetConfiguration("templates/mesos-v1.tmpl", mesosFuncMap, templateObjects)
|
|
if err != nil {
|
|
log.Error(err)
|
|
}
|
|
return configuration
|
|
}
|
|
|
|
// Deprecated
|
|
func taskFilterV1(task state.Task, exposedByDefaultFlag bool) bool {
|
|
if len(task.DiscoveryInfo.Ports.DiscoveryPorts) == 0 {
|
|
log.Debugf("Filtering Mesos task without port %s", task.Name)
|
|
return false
|
|
}
|
|
|
|
if !isEnabledV1(task, exposedByDefaultFlag) {
|
|
log.Debugf("Filtering disabled Mesos task %s", task.DiscoveryInfo.Name)
|
|
return false
|
|
}
|
|
|
|
// filter indeterminable task port
|
|
portIndexLabel := getStringValueV1(task, label.TraefikPortIndex, "")
|
|
portValueLabel := getStringValueV1(task, label.TraefikPort, "")
|
|
if portIndexLabel != "" && portValueLabel != "" {
|
|
log.Debugf("Filtering Mesos task %s specifying both %q' and %q labels", task.Name, label.TraefikPortIndex, label.TraefikPort)
|
|
return false
|
|
}
|
|
if portIndexLabel != "" {
|
|
index, err := strconv.Atoi(portIndexLabel)
|
|
if err != nil || index < 0 || index > len(task.DiscoveryInfo.Ports.DiscoveryPorts)-1 {
|
|
log.Debugf("Filtering Mesos task %s with unexpected value for %q label", task.Name, label.TraefikPortIndex)
|
|
return false
|
|
}
|
|
}
|
|
if portValueLabel != "" {
|
|
port, err := strconv.Atoi(portValueLabel)
|
|
if err != nil {
|
|
log.Debugf("Filtering Mesos task %s with unexpected value for %q label", task.Name, label.TraefikPort)
|
|
return false
|
|
}
|
|
|
|
var foundPort bool
|
|
for _, exposedPort := range task.DiscoveryInfo.Ports.DiscoveryPorts {
|
|
if port == exposedPort.Number {
|
|
foundPort = true
|
|
break
|
|
}
|
|
}
|
|
|
|
if !foundPort {
|
|
log.Debugf("Filtering Mesos task %s without a matching port for %q label", task.Name, label.TraefikPort)
|
|
return false
|
|
}
|
|
}
|
|
|
|
// filter healthChecks
|
|
if task.Statuses != nil && len(task.Statuses) > 0 && task.Statuses[0].Healthy != nil && !*task.Statuses[0].Healthy {
|
|
log.Debugf("Filtering Mesos task %s with bad healthCheck", task.DiscoveryInfo.Name)
|
|
return false
|
|
|
|
}
|
|
return true
|
|
}
|
|
|
|
// Deprecated
|
|
func getIDV1(task state.Task) string {
|
|
return provider.Normalize(task.ID)
|
|
}
|
|
|
|
// Deprecated
|
|
func getBackendV1(task state.Task, apps []state.Task) string {
|
|
_, err := getApplicationV1(task, apps)
|
|
if err != nil {
|
|
log.Error(err)
|
|
return ""
|
|
}
|
|
return getBackendNameV1(task)
|
|
}
|
|
|
|
// Deprecated
|
|
func getBackendNameV1(task state.Task) string {
|
|
if value := getStringValueV1(task, label.TraefikBackend, ""); len(value) > 0 {
|
|
return value
|
|
}
|
|
return provider.Normalize(task.DiscoveryInfo.Name)
|
|
}
|
|
|
|
// Deprecated
|
|
func getFrontendNameV1(task state.Task) string {
|
|
// TODO task.ID -> task.Name + task.ID
|
|
return provider.Normalize(task.ID)
|
|
}
|
|
|
|
// Deprecated
|
|
func (p *Provider) getPort(task state.Task, applications []state.Task) string {
|
|
_, err := getApplicationV1(task, applications)
|
|
if err != nil {
|
|
log.Error(err)
|
|
return ""
|
|
}
|
|
|
|
plv := getIntValueV1(task, label.TraefikPortIndex, math.MinInt32, len(task.DiscoveryInfo.Ports.DiscoveryPorts)-1)
|
|
if plv >= 0 {
|
|
return strconv.Itoa(task.DiscoveryInfo.Ports.DiscoveryPorts[plv].Number)
|
|
}
|
|
|
|
if pv := getStringValueV1(task, label.TraefikPort, ""); len(pv) > 0 {
|
|
return pv
|
|
}
|
|
|
|
for _, port := range task.DiscoveryInfo.Ports.DiscoveryPorts {
|
|
return strconv.Itoa(port.Number)
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// getFrontendRuleV1 returns the frontend rule for the specified application, using
|
|
// it's label. It returns a default one (Host) if the label is not present.
|
|
// Deprecated
|
|
func (p *Provider) getFrontendRuleV1(task state.Task) string {
|
|
if v := getStringValueV1(task, label.TraefikFrontendRule, ""); len(v) > 0 {
|
|
return v
|
|
}
|
|
return "Host:" + strings.ToLower(strings.Replace(p.getSubDomain(task.DiscoveryInfo.Name), "_", "-", -1)) + "." + p.Domain
|
|
}
|
|
|
|
// Deprecated
|
|
func (p *Provider) getHostV1(task state.Task) string {
|
|
return task.IP(strings.Split(p.IPSources, ",")...)
|
|
}
|
|
|
|
// Deprecated
|
|
func isEnabledV1(task state.Task, exposedByDefault bool) bool {
|
|
return getBoolValueV1(task, label.TraefikEnable, exposedByDefault)
|
|
}
|
|
|
|
// Label functions
|
|
|
|
// Deprecated
|
|
func getFuncApplicationStringValueV1(labelName string, defaultValue string) func(task state.Task, applications []state.Task) string {
|
|
return func(task state.Task, applications []state.Task) string {
|
|
_, err := getApplicationV1(task, applications)
|
|
if err != nil {
|
|
log.Error(err)
|
|
return defaultValue
|
|
}
|
|
|
|
return getStringValueV1(task, labelName, defaultValue)
|
|
}
|
|
}
|
|
|
|
// Deprecated
|
|
func getFuncApplicationIntValueV1(labelName string, defaultValue int) func(task state.Task, applications []state.Task) int {
|
|
return func(task state.Task, applications []state.Task) int {
|
|
_, err := getApplicationV1(task, applications)
|
|
if err != nil {
|
|
log.Error(err)
|
|
return defaultValue
|
|
}
|
|
|
|
return getIntValueV1(task, labelName, defaultValue, math.MaxInt32)
|
|
}
|
|
}
|
|
|
|
// Deprecated
|
|
func getFuncStringValueV1(labelName string, defaultValue string) func(task state.Task) string {
|
|
return func(task state.Task) string {
|
|
return getStringValueV1(task, labelName, defaultValue)
|
|
}
|
|
}
|
|
|
|
// Deprecated
|
|
func getFuncBoolValueV1(labelName string, defaultValue bool) func(task state.Task) bool {
|
|
return func(task state.Task) bool {
|
|
return getBoolValueV1(task, labelName, defaultValue)
|
|
}
|
|
}
|
|
|
|
// Deprecated
|
|
func getFuncIntValueV1(labelName string, defaultValue int) func(task state.Task) int {
|
|
return func(task state.Task) int {
|
|
return getIntValueV1(task, labelName, defaultValue, math.MaxInt32)
|
|
}
|
|
}
|
|
|
|
// Deprecated
|
|
func getFuncSliceStringValueV1(labelName string) func(task state.Task) []string {
|
|
return func(task state.Task) []string {
|
|
return getSliceStringValueV1(task, labelName)
|
|
}
|
|
}
|
|
|
|
// Deprecated
|
|
func getStringValueV1(task state.Task, labelName string, defaultValue string) string {
|
|
for _, lbl := range task.Labels {
|
|
if lbl.Key == labelName && len(lbl.Value) > 0 {
|
|
return lbl.Value
|
|
}
|
|
}
|
|
return defaultValue
|
|
}
|
|
|
|
// Deprecated
|
|
func getBoolValueV1(task state.Task, labelName string, defaultValue bool) bool {
|
|
for _, lbl := range task.Labels {
|
|
if lbl.Key == labelName {
|
|
v, err := strconv.ParseBool(lbl.Value)
|
|
if err == nil {
|
|
return v
|
|
}
|
|
}
|
|
}
|
|
return defaultValue
|
|
}
|
|
|
|
// Deprecated
|
|
func getIntValueV1(task state.Task, labelName string, defaultValue int, maxValue int) int {
|
|
for _, lbl := range task.Labels {
|
|
if lbl.Key == labelName {
|
|
value, err := strconv.Atoi(lbl.Value)
|
|
if err == nil {
|
|
if value <= maxValue {
|
|
return value
|
|
}
|
|
log.Warnf("The value %q for %q exceed the max authorized value %q, falling back to %v.", lbl.Value, labelName, maxValue, defaultValue)
|
|
} else {
|
|
log.Warnf("Unable to parse %q: %q, falling back to %v. %v", labelName, lbl.Value, defaultValue, err)
|
|
}
|
|
}
|
|
}
|
|
return defaultValue
|
|
}
|
|
|
|
// Deprecated
|
|
func getSliceStringValueV1(task state.Task, labelName string) []string {
|
|
for _, lbl := range task.Labels {
|
|
if lbl.Key == labelName {
|
|
return label.SplitAndTrimString(lbl.Value, ",")
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Deprecated
|
|
func getApplicationV1(task state.Task, apps []state.Task) (state.Task, error) {
|
|
for _, app := range apps {
|
|
if app.DiscoveryInfo.Name == task.DiscoveryInfo.Name {
|
|
return app, nil
|
|
}
|
|
}
|
|
return state.Task{}, fmt.Errorf("unable to get Mesos application from task %s", task.DiscoveryInfo.Name)
|
|
}
|