func (provider *Marathon) loadMarathonConfig() *types.Configuration {
var MarathonFuncMap = template.FuncMap{
"getBackend": provider.getBackend,
"getPort": provider.getPort,
"getWeight": provider.getWeight,
"getDomain": provider.getDomain,
"getProtocol": provider.getProtocol,
"getPassHostHeader": provider.getPassHostHeader,
"getPriority": provider.getPriority,
"getEntryPoints": provider.getEntryPoints,
"getFrontendRule": provider.getFrontendRule,
"getFrontendBackend": provider.getFrontendBackend,
"hasCircuitBreakerLabels": provider.hasCircuitBreakerLabels,
"hasLoadBalancerLabels": provider.hasLoadBalancerLabels,
"hasMaxConnLabels": provider.hasMaxConnLabels,
"getMaxConnExtractorFunc": provider.getMaxConnExtractorFunc,
"getMaxConnAmount": provider.getMaxConnAmount,
"getLoadBalancerMethod": provider.getLoadBalancerMethod,
"getCircuitBreakerExpression": provider.getCircuitBreakerExpression,
"getSticky": provider.getSticky,
}
applications, err := provider.marathonClient.Applications(nil)
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
tasks, err := provider.marathonClient.AllTasks(&marathon.AllTasksOpts{Status: "running"})
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
//filter tasks
filteredTasks := fun.Filter(func(task marathon.Task) bool {
return provider.taskFilter(task, applications, provider.ExposedByDefault)
}, tasks.Tasks).([]marathon.Task)
//filter apps
filteredApps := fun.Filter(func(app marathon.Application) bool {
return provider.applicationFilter(app, filteredTasks)
}, applications.Apps).([]marathon.Application)
templateObjects := struct {
Applications []marathon.Application
Tasks []marathon.Task
Domain string
}{
filteredApps,
filteredTasks,
provider.Domain,
}
configuration, err := provider.getConfiguration("templates/marathon.tmpl", MarathonFuncMap, templateObjects)
if err != nil {
log.Error(err)
}
return configuration
}
func (provider *Marathon) loadMarathonConfig() *types.Configuration {
var MarathonFuncMap = template.FuncMap{
"getBackend": provider.getBackend,
"getPort": provider.getPort,
"getWeight": provider.getWeight,
"getDomain": provider.getDomain,
"getProtocol": provider.getProtocol,
"getPassHostHeader": provider.getPassHostHeader,
"getEntryPoints": provider.getEntryPoints,
"getFrontendValue": provider.getFrontendValue,
"getFrontendRule": provider.getFrontendRule,
"getFrontendBackend": provider.getFrontendBackend,
"replace": replace,
}
applications, err := provider.marathonClient.Applications(nil)
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
tasks, err := provider.marathonClient.AllTasks(&marathon.AllTasksOpts{Status: "running"})
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
//filter tasks
filteredTasks := fun.Filter(func(task marathon.Task) bool {
return taskFilter(task, applications)
}, tasks.Tasks).([]marathon.Task)
//filter apps
filteredApps := fun.Filter(func(app marathon.Application) bool {
return applicationFilter(app, filteredTasks)
}, applications.Apps).([]marathon.Application)
templateObjects := struct {
Applications []marathon.Application
Tasks []marathon.Task
Domain string
}{
filteredApps,
filteredTasks,
provider.Domain,
}
configuration, err := provider.getConfiguration("templates/marathon.tmpl", MarathonFuncMap, templateObjects)
if err != nil {
log.Error(err)
}
return configuration
}
func (provider *ConsulCatalog) healthyNodes(service string) (catalogUpdate, error) {
health := provider.client.Health()
opts := &api.QueryOptions{}
data, _, err := health.Service(service, "", true, opts)
if err != nil {
log.WithError(err).Errorf("Failed to fetch details of " + service)
return catalogUpdate{}, err
}
nodes := fun.Filter(func(node *api.ServiceEntry) bool {
constraintTags := provider.getContraintTags(node.Service.Tags)
ok, failingConstraint := provider.MatchConstraints(constraintTags)
if ok == false && failingConstraint != nil {
log.Debugf("Service %v pruned by '%v' constraint", service, failingConstraint.String())
}
return ok
}, data).([]*api.ServiceEntry)
//Merge tags of nodes matching constraints, in a single slice.
tags := fun.Foldl(func(node *api.ServiceEntry, set []string) []string {
return fun.Keys(fun.Union(
fun.Set(set),
fun.Set(node.Service.Tags),
).(map[string]bool)).([]string)
}, []string{}, nodes).([]string)
return catalogUpdate{
Service: &serviceUpdate{
ServiceName: service,
Attributes: tags,
},
Nodes: nodes,
}, nil
}
//构建实体模型的插入函数
func createInsertFunc(modelInfo *modelMeta) EntityCFunc {
insertFields := fun.Filter(exceptIdPred, modelInfo.fields).([]*modelField)
columns := strings.Join(fun.Map(func(field *modelField) string {
return field.column
}, insertFields).([]string), ",")
params := strings.Join(toSlice("?", len(insertFields)), ",")
return func(executor interface{}, entity EntityInterface) error {
ind := checkEntity(modelInfo, entity, executor)
paramValues := make([]interface{}, 0, len(insertFields))
for _, field := range insertFields {
fv := ind.Field(field.index).Interface()
paramValues = append(paramValues, fv)
}
insertSql := fmt.Sprintf("INSERT INTO %s (%s) VALUES(%s)", entity.TableName(), columns, params)
c.Debugf("insertSql:%v", insertSql)
rs, err := exec(executor, insertSql, paramValues)
if err != nil {
return err
}
if modelInfo.pkField.pkAuto {
if id, err := rs.LastInsertId(); err == nil {
ind.Field(modelInfo.pkField.index).SetInt(id)
} else {
return err
}
}
return nil
}
}
func (provider *Docker) loadDockerConfig(containersInspected []dockerData) *types.Configuration {
var DockerFuncMap = template.FuncMap{
"getBackend": provider.getBackend,
"getIPAddress": provider.getIPAddress,
"getPort": provider.getPort,
"getWeight": provider.getWeight,
"getDomain": provider.getDomain,
"getProtocol": provider.getProtocol,
"getPassHostHeader": provider.getPassHostHeader,
"getPriority": provider.getPriority,
"getEntryPoints": provider.getEntryPoints,
"getFrontendRule": provider.getFrontendRule,
"hasCircuitBreakerLabel": provider.hasCircuitBreakerLabel,
"getCircuitBreakerExpression": provider.getCircuitBreakerExpression,
"hasLoadBalancerLabel": provider.hasLoadBalancerLabel,
"getLoadBalancerMethod": provider.getLoadBalancerMethod,
"hasMaxConnLabels": provider.hasMaxConnLabels,
"getMaxConnAmount": provider.getMaxConnAmount,
"getMaxConnExtractorFunc": provider.getMaxConnExtractorFunc,
"getSticky": provider.getSticky,
"replace": replace,
}
// filter containers
filteredContainers := fun.Filter(func(container dockerData) bool {
return provider.containerFilter(container)
}, containersInspected).([]dockerData)
frontends := map[string][]dockerData{}
backends := map[string]dockerData{}
servers := map[string][]dockerData{}
for _, container := range filteredContainers {
frontendName := provider.getFrontendName(container)
frontends[frontendName] = append(frontends[frontendName], container)
backendName := provider.getBackend(container)
backends[backendName] = container
servers[backendName] = append(servers[backendName], container)
}
templateObjects := struct {
Containers []dockerData
Frontends map[string][]dockerData
Backends map[string]dockerData
Servers map[string][]dockerData
Domain string
}{
filteredContainers,
frontends,
backends,
servers,
provider.Domain,
}
configuration, err := provider.getConfiguration("templates/docker.tmpl", DockerFuncMap, templateObjects)
if err != nil {
log.Error(err)
}
return configuration
}
func (provider *Mesos) loadMesosConfig() *types.Configuration {
var mesosFuncMap = template.FuncMap{
"getBackend": provider.getBackend,
"getPort": provider.getPort,
"getHost": provider.getHost,
"getWeight": provider.getWeight,
"getDomain": provider.getDomain,
"getProtocol": provider.getProtocol,
"getPassHostHeader": provider.getPassHostHeader,
"getPriority": provider.getPriority,
"getEntryPoints": provider.getEntryPoints,
"getFrontendRule": provider.getFrontendRule,
"getFrontendBackend": provider.getFrontendBackend,
"getID": provider.getID,
"getFrontEndName": provider.getFrontEndName,
"replace": replace,
}
t := records.NewRecordGenerator(time.Duration(provider.StateTimeoutSecond) * time.Second)
sj, err := t.FindMaster(provider.Masters...)
if err != nil {
log.Errorf("Failed to create a client for mesos, error: %s", err)
return nil
}
tasks := provider.taskRecords(sj)
//filter tasks
filteredTasks := fun.Filter(func(task state.Task) bool {
return mesosTaskFilter(task, provider.ExposedByDefault)
}, tasks).([]state.Task)
filteredApps := []state.Task{}
for _, value := range filteredTasks {
if !taskInSlice(value, filteredApps) {
filteredApps = append(filteredApps, value)
}
}
templateObjects := struct {
Applications []state.Task
Tasks []state.Task
Domain string
}{
filteredApps,
filteredTasks,
provider.Domain,
}
configuration, err := provider.getConfiguration("templates/mesos.tmpl", mesosFuncMap, templateObjects)
if err != nil {
log.Error(err)
}
return configuration
}
func (provider *Docker) loadDockerConfig(containersInspected []dockertypes.ContainerJSON) *types.Configuration {
var DockerFuncMap = template.FuncMap{
"getBackend": provider.getBackend,
"getIPAddress": provider.getIPAddress,
"getPort": provider.getPort,
"getWeight": provider.getWeight,
"getDomain": provider.getDomain,
"getProtocol": provider.getProtocol,
"getPassHostHeader": provider.getPassHostHeader,
"getPriority": provider.getPriority,
"getEntryPoints": provider.getEntryPoints,
"getFrontendRule": provider.getFrontendRule,
"replace": replace,
}
// filter containers
filteredContainers := fun.Filter(provider.ContainerFilter, containersInspected).([]dockertypes.ContainerJSON)
frontends := map[string][]dockertypes.ContainerJSON{}
for _, container := range filteredContainers {
frontendName := provider.getFrontendName(container)
frontends[frontendName] = append(frontends[frontendName], container)
}
templateObjects := struct {
Containers []dockertypes.ContainerJSON
Frontends map[string][]dockertypes.ContainerJSON
Domain string
}{
filteredContainers,
frontends,
provider.Domain,
}
configuration, err := provider.getConfiguration("templates/docker.tmpl", DockerFuncMap, templateObjects)
if err != nil {
log.Error(err)
}
return configuration
}
//构建实体模型的更新函数
func createUpdateFunc(modelInfo *modelMeta) EntityUFunc {
updateFields := fun.Filter(exceptIdPred, modelInfo.fields).([]*modelField)
columns := strings.Join(fun.Map(func(field *modelField) string {
return field.column + "=?"
}, updateFields).([]string), ",")
return func(executor interface{}, entity EntityInterface) (bool, error) {
ind := checkEntity(modelInfo, entity, executor)
paramValues := make([]interface{}, 0, len(updateFields)+1)
for _, field := range updateFields {
fv := ind.Field(field.index).Interface()
paramValues = append(paramValues, fv)
}
id := ind.Field(modelInfo.pkField.index).Interface()
paramValues = append(paramValues, id)
updateSql := fmt.Sprintf("UPDATE %s SET %s where %s = %s", entity.TableName(), columns, modelInfo.pkField.column, "?")
c.Debugf("updateSql:%v", updateSql)
rs, err := exec(executor, updateSql, paramValues)
if err != nil {
return false, err
}
//检查更新的记录数
if rows, err := rs.RowsAffected(); err == nil {
if rows != 1 {
return false, err
} else {
return true, err
}
} else {
return false, err
}
}
}
func (provider *Kv) listServers(backend string) []string {
serverNames := provider.list(backend, "/servers/")
return fun.Filter(func(serverName string) bool {
return provider.checkConstraints(serverName, "/tags")
}, serverNames).([]string)
}
func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
configuration := new(Configuration)
applications, err := provider.marathonClient.Applications(nil)
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
tasks, err := provider.marathonClient.AllTasks()
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
//filter tasks
filteredTasks := fun.Filter(func(task marathon.Task) bool {
if len(task.Ports) == 0 {
log.Debug("Filtering marathon task without port", task.AppID)
return false
}
application := getApplication(task, applications.Apps)
_, err := strconv.Atoi(application.Labels["traefik.port"])
if len(application.Ports) > 1 && err != nil {
log.Debug("Filtering marathon task with more than 1 port and no traefik.port label", task.AppID)
return false
}
if application.Labels["traefik.enable"] == "false" {
log.Debug("Filtering disabled marathon task", task.AppID)
return false
}
return true
}, tasks.Tasks).([]marathon.Task)
//filter apps
filteredApps := fun.Filter(func(app marathon.Application) bool {
//get ports from app tasks
if !fun.Exists(func(task marathon.Task) bool {
if task.AppID == app.ID {
return true
}
return false
}, filteredTasks) {
return false
}
return true
}, applications.Apps).([]marathon.Application)
templateObjects := struct {
Applications []marathon.Application
Tasks []marathon.Task
Domain string
}{
filteredApps,
filteredTasks,
provider.Domain,
}
tmpl := template.New(provider.Filename).Funcs(MarathonFuncMap)
if len(provider.Filename) > 0 {
_, err := tmpl.ParseFiles(provider.Filename)
if err != nil {
log.Error("Error reading file", err)
return nil
}
} else {
buf, err := Asset("providerTemplates/marathon.tmpl")
if err != nil {
log.Error("Error reading file", err)
}
_, err = tmpl.Parse(string(buf))
if err != nil {
log.Error("Error reading file", err)
return nil
}
}
var buffer bytes.Buffer
err = tmpl.Execute(&buffer, templateObjects)
if err != nil {
log.Error("Error with marathon template:", err)
return nil
}
if _, err := toml.Decode(buffer.String(), configuration); err != nil {
log.Error("Error creating marathon configuration:", err)
return nil
}
return configuration
}
func (provider *Docker) loadDockerConfig(dockerClient *docker.Client) *types.Configuration {
var DockerFuncMap = template.FuncMap{
"getBackend": func(container docker.Container) string {
if label, err := provider.getLabel(container, "traefik.backend"); err == nil {
return label
}
return provider.getEscapedName(container.Name)
},
"getPort": func(container docker.Container) string {
if label, err := provider.getLabel(container, "traefik.port"); err == nil {
return label
}
for key := range container.NetworkSettings.Ports {
return key.Port()
}
return ""
},
"getWeight": func(container docker.Container) string {
if label, err := provider.getLabel(container, "traefik.weight"); err == nil {
return label
}
return "0"
},
"getDomain": func(container docker.Container) string {
if label, err := provider.getLabel(container, "traefik.domain"); err == nil {
return label
}
return provider.Domain
},
"getProtocol": func(container docker.Container) string {
if label, err := provider.getLabel(container, "traefik.protocol"); err == nil {
return label
}
return "http"
},
"getPassHostHeader": func(container docker.Container) string {
if passHostHeader, err := provider.getLabel(container, "traefik.frontend.passHostHeader"); err == nil {
return passHostHeader
}
return "false"
},
"getFrontendValue": provider.GetFrontendValue,
"getFrontendRule": provider.GetFrontendRule,
"makeParsedUrl": func(s1 string) string {
if u, err := url.Parse(s1); err == nil {
return u.String()
}
return s1
},
"replace": func(s1 string, s2 string, s3 string) string {
return strings.Replace(s3, s1, s2, -1)
},
}
configuration := new(types.Configuration)
containerList, _ := dockerClient.ListContainers(docker.ListContainersOptions{})
containersInspected := []docker.Container{}
frontends := map[string][]docker.Container{}
// get inspect containers
for _, container := range containerList {
containerInspected, _ := dockerClient.InspectContainer(container.ID)
containersInspected = append(containersInspected, *containerInspected)
}
// filter containers
filteredContainers := fun.Filter(func(container docker.Container) bool {
if len(container.NetworkSettings.Ports) == 0 {
log.Debugf("Filtering container without port %s", container.Name)
return false
}
_, err := strconv.Atoi(container.Config.Labels["traefik.port"])
if len(container.NetworkSettings.Ports) > 1 && err != nil {
log.Debugf("Filtering container with more than 1 port and no traefik.port label %s", container.Name)
return false
}
if container.Config.Labels["traefik.enable"] == "false" {
log.Debugf("Filtering disabled container %s", container.Name)
return false
}
labels, err := provider.getLabels(container, []string{"traefik.frontend.rule", "traefik.frontend.value"})
if len(labels) != 0 && err != nil {
log.Debugf("Filtering bad labeled container %s", container.Name)
return false
}
return true
}, containersInspected).([]docker.Container)
for _, container := range filteredContainers {
frontends[provider.getFrontendName(container)] = append(frontends[provider.getFrontendName(container)], container)
}
templateObjects := struct {
Containers []docker.Container
Frontends map[string][]docker.Container
Domain string
}{
filteredContainers,
frontends,
provider.Domain,
}
tmpl := template.New(provider.Filename).Funcs(DockerFuncMap)
if len(provider.Filename) > 0 {
_, err := tmpl.ParseFiles(provider.Filename)
if err != nil {
log.Error("Error reading file", err)
return nil
}
} else {
buf, err := autogen.Asset("templates/docker.tmpl")
if err != nil {
log.Error("Error reading file", err)
}
_, err = tmpl.Parse(string(buf))
if err != nil {
log.Error("Error reading file", err)
return nil
}
}
var buffer bytes.Buffer
err := tmpl.Execute(&buffer, templateObjects)
if err != nil {
log.Error("Error with docker template", err)
return nil
}
if _, err := toml.Decode(buffer.String(), configuration); err != nil {
log.Error("Error creating docker configuration ", err)
return nil
}
return configuration
}
consulClient *api.Client
}
var kvClient *api.KV
var ConsulFuncMap = template.FuncMap{
"List": func(keys ...string) []string {
joinedKeys := strings.Join(keys, "")
keysPairs, _, err := kvClient.Keys(joinedKeys, "/", nil)
if err != nil {
log.Error("Error getting keys ", joinedKeys, err)
return nil
}
keysPairs = fun.Filter(func(key string) bool {
if key == joinedKeys {
return false
}
return true
}, keysPairs).([]string)
return keysPairs
},
"Get": func(keys ...string) string {
joinedKeys := strings.Join(keys, "")
keyPair, _, err := kvClient.Get(joinedKeys, nil)
if err != nil {
log.Error("Error getting key ", joinedKeys, err)
return ""
}
return string(keyPair.Value)
},
"Last": func(key string) string {
splittedKey := strings.Split(key, "/")
func (provider *DockerProvider) loadDockerConfig(dockerClient *docker.Client) *Configuration {
var DockerFuncMap = template.FuncMap{
"getBackend": func(container docker.Container) string {
for key, value := range container.Config.Labels {
if key == "traefik.backend" {
return value
}
}
return getHost(container)
},
"getPort": func(container docker.Container) string {
for key, value := range container.Config.Labels {
if key == "traefik.port" {
return value
}
}
for key := range container.NetworkSettings.Ports {
return key.Port()
}
return ""
},
"getWeight": func(container docker.Container) string {
for key, value := range container.Config.Labels {
if key == "traefik.weight" {
return value
}
}
return "0"
},
"getDomain": func(container docker.Container) string {
for key, value := range container.Config.Labels {
if key == "traefik.domain" {
return value
}
}
return provider.Domain
},
"replace": func(s1 string, s2 string, s3 string) string {
return strings.Replace(s3, s1, s2, -1)
},
"getHost": getHost,
}
configuration := new(Configuration)
containerList, _ := dockerClient.ListContainers(docker.ListContainersOptions{})
containersInspected := []docker.Container{}
hosts := map[string][]docker.Container{}
// get inspect containers
for _, container := range containerList {
containerInspected, _ := dockerClient.InspectContainer(container.ID)
containersInspected = append(containersInspected, *containerInspected)
}
// filter containers
filteredContainers := fun.Filter(func(container docker.Container) bool {
if len(container.NetworkSettings.Ports) == 0 {
log.Debugf("Filtering container without port %s", container.Name)
return false
}
_, err := strconv.Atoi(container.Config.Labels["traefik.port"])
if len(container.NetworkSettings.Ports) > 1 && err != nil {
log.Debugf("Filtering container with more than 1 port and no traefik.port label %s", container.Name)
return false
}
if container.Config.Labels["traefik.enable"] == "false" {
log.Debugf("Filtering disabled container %s", container.Name)
return false
}
return true
}, containersInspected).([]docker.Container)
for _, container := range filteredContainers {
hosts[getHost(container)] = append(hosts[getHost(container)], container)
}
templateObjects := struct {
Containers []docker.Container
Hosts map[string][]docker.Container
Domain string
}{
filteredContainers,
hosts,
provider.Domain,
}
tmpl := template.New(provider.Filename).Funcs(DockerFuncMap)
if len(provider.Filename) > 0 {
_, err := tmpl.ParseFiles(provider.Filename)
if err != nil {
log.Error("Error reading file", err)
return nil
}
} else {
buf, err := Asset("providerTemplates/docker.tmpl")
if err != nil {
log.Error("Error reading file", err)
}
_, err = tmpl.Parse(string(buf))
if err != nil {
log.Error("Error reading file", err)
return nil
}
}
var buffer bytes.Buffer
err := tmpl.Execute(&buffer, templateObjects)
if err != nil {
log.Error("Error with docker template", err)
return nil
}
if _, err := toml.Decode(buffer.String(), configuration); err != nil {
log.Error("Error creating docker configuration", err)
return nil
}
return configuration
}
func (provider *Marathon) loadMarathonConfig() *types.Configuration {
var MarathonFuncMap = template.FuncMap{
"getPort": func(task marathon.Task) string {
for _, port := range task.Ports {
return strconv.Itoa(port)
}
return ""
},
"getWeight": func(task marathon.Task, applications []marathon.Application) string {
application, errApp := getApplication(task, applications)
if errApp != nil {
log.Errorf("Unable to get marathon application from task %s", task.AppID)
return "0"
}
if label, err := provider.getLabel(application, "traefik.weight"); err == nil {
return label
}
return "0"
},
"getDomain": func(application marathon.Application) string {
if label, err := provider.getLabel(application, "traefik.domain"); err == nil {
return label
}
return provider.Domain
},
"replace": func(s1 string, s2 string, s3 string) string {
return strings.Replace(s3, s1, s2, -1)
},
"getProtocol": func(task marathon.Task, applications []marathon.Application) string {
application, errApp := getApplication(task, applications)
if errApp != nil {
log.Errorf("Unable to get marathon application from task %s", task.AppID)
return "http"
}
if label, err := provider.getLabel(application, "traefik.protocol"); err == nil {
return label
}
return "http"
},
"getPassHostHeader": func(application marathon.Application) string {
if passHostHeader, err := provider.getLabel(application, "traefik.frontend.passHostHeader"); err == nil {
return passHostHeader
}
return "false"
},
"getFrontendValue": provider.GetFrontendValue,
"getFrontendRule": provider.GetFrontendRule,
}
configuration := new(types.Configuration)
applications, err := provider.marathonClient.Applications(nil)
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
tasks, err := provider.marathonClient.AllTasks()
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
//filter tasks
filteredTasks := fun.Filter(func(task marathon.Task) bool {
if len(task.Ports) == 0 {
log.Debug("Filtering marathon task without port %s", task.AppID)
return false
}
application, errApp := getApplication(task, applications.Apps)
if errApp != nil {
log.Errorf("Unable to get marathon application from task %s", task.AppID)
return false
}
_, err := strconv.Atoi(application.Labels["traefik.port"])
if len(application.Ports) > 1 && err != nil {
log.Debugf("Filtering marathon task %s with more than 1 port and no traefik.port label", task.AppID)
return false
}
if application.Labels["traefik.enable"] == "false" {
log.Debugf("Filtering disabled marathon task %s", task.AppID)
return false
}
//filter healthchecks
if application.HasHealthChecks() {
if task.HasHealthCheckResults() {
for _, healthcheck := range task.HealthCheckResult {
// found one bad healthcheck, return false
if !healthcheck.Alive {
log.Debugf("Filtering marathon task %s with bad healthcheck", task.AppID)
return false
}
}
} else {
log.Debugf("Filtering marathon task %s with bad healthcheck", task.AppID)
return false
}
}
return true
}, tasks.Tasks).([]marathon.Task)
//filter apps
filteredApps := fun.Filter(func(app marathon.Application) bool {
//get ports from app tasks
if !fun.Exists(func(task marathon.Task) bool {
if task.AppID == app.ID {
return true
}
return false
}, filteredTasks) {
return false
}
return true
}, applications.Apps).([]marathon.Application)
templateObjects := struct {
Applications []marathon.Application
Tasks []marathon.Task
Domain string
}{
filteredApps,
filteredTasks,
provider.Domain,
}
tmpl := template.New(provider.Filename).Funcs(MarathonFuncMap)
if len(provider.Filename) > 0 {
_, err := tmpl.ParseFiles(provider.Filename)
if err != nil {
log.Error("Error reading file", err)
return nil
}
} else {
buf, err := autogen.Asset("templates/marathon.tmpl")
if err != nil {
log.Error("Error reading file", err)
}
_, err = tmpl.Parse(string(buf))
if err != nil {
log.Error("Error reading file", err)
return nil
}
}
var buffer bytes.Buffer
err = tmpl.Execute(&buffer, templateObjects)
if err != nil {
log.Error("Error with marathon template:", err)
return nil
}
if _, err := toml.Decode(buffer.String(), configuration); err != nil {
log.Error("Error creating marathon configuration:", err)
return nil
}
return configuration
}
func (provider *MarathonProvider) loadMarathonConfig() *Configuration {
var MarathonFuncMap = template.FuncMap{
"getPort": func(task marathon.Task) string {
for _, port := range task.Ports {
return strconv.Itoa(port)
}
return ""
},
"getHost": func(application marathon.Application) string {
for key, value := range application.Labels {
if key == "traefik.host" {
return value
}
}
return strings.Replace(application.ID, "/", "", 1)
},
"getWeight": func(application marathon.Application) string {
for key, value := range application.Labels {
if key == "traefik.weight" {
return value
}
}
return "0"
},
"getDomain": func(application marathon.Application) string {
for key, value := range application.Labels {
if key == "traefik.domain" {
return value
}
}
return provider.Domain
},
"getPrefixes": func(application marathon.Application) ([]string, error) {
for key, value := range application.Labels {
if key == "traefik.prefixes" {
return strings.Split(value, ","), nil
}
}
return []string{}, nil
},
"replace": func(s1 string, s2 string, s3 string) string {
return strings.Replace(s3, s1, s2, -1)
},
}
configuration := new(Configuration)
applications, err := provider.marathonClient.Applications(nil)
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
tasks, err := provider.marathonClient.AllTasks()
if err != nil {
log.Errorf("Failed to create a client for marathon, error: %s", err)
return nil
}
//filter tasks
filteredTasks := fun.Filter(func(task marathon.Task) bool {
if len(task.Ports) == 0 {
log.Debug("Filtering marathon task without port", task.AppID)
return false
}
application := getApplication(task, applications.Apps)
if application == nil {
log.Errorf("Unable to get marathon application from task %s", task.AppID)
return false
}
_, err := strconv.Atoi(application.Labels["traefik.port"])
if len(application.Ports) > 1 && err != nil {
log.Debug("Filtering marathon task with more than 1 port and no traefik.port label", task.AppID)
return false
}
if application.Labels["traefik.enable"] == "false" {
log.Debug("Filtering disabled marathon task", task.AppID)
return false
}
return true
}, tasks.Tasks).([]marathon.Task)
//filter apps
filteredApps := fun.Filter(func(app marathon.Application) bool {
//get ports from app tasks
if !fun.Exists(func(task marathon.Task) bool {
if task.AppID == app.ID {
return true
}
return false
}, filteredTasks) {
return false
}
return true
}, applications.Apps).([]marathon.Application)
templateObjects := struct {
Applications []marathon.Application
Tasks []marathon.Task
Domain string
}{
filteredApps,
filteredTasks,
provider.Domain,
}
tmpl := template.New(provider.Filename).Funcs(MarathonFuncMap)
if len(provider.Filename) > 0 {
_, err := tmpl.ParseFiles(provider.Filename)
if err != nil {
log.Error("Error reading file", err)
return nil
}
} else {
buf, err := Asset("providerTemplates/marathon.tmpl")
if err != nil {
log.Error("Error reading file", err)
}
_, err = tmpl.Parse(string(buf))
if err != nil {
log.Error("Error reading file", err)
return nil
}
}
var buffer bytes.Buffer
err = tmpl.Execute(&buffer, templateObjects)
if err != nil {
log.Error("Error with marathon template:", err)
return nil
}
if _, err := toml.Decode(buffer.String(), configuration); err != nil {
log.Error("Error creating marathon configuration:", err)
return nil
}
return configuration
}
