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traefik/docs/configuration/backends/marathon.md
Ludovic Fernandez 0ea007b26f Segments Labels: Rancher & Marathon
2018-03-26 15:32:04 +02:00

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Marathon Backend

Træfik can be configured to use Marathon as a backend configuration.

See also Marathon user guide.

Configuration

################################################################
# Mesos/Marathon configuration backend
################################################################

# Enable Marathon configuration backend.
[marathon]

# Marathon server endpoint.
# You can also specify multiple endpoint for Marathon:
# endpoint = "http://10.241.1.71:8080,10.241.1.72:8080,10.241.1.73:8080"
#
# Required
# Default: "http://127.0.0.1:8080"
#
endpoint = "http://127.0.0.1:8080"

# Enable watch Marathon changes.
#
# Optional
# Default: true
#
watch = true

# Default domain used.
# Can be overridden by setting the "traefik.domain" label on an application.
#
# Required
#
domain = "marathon.localhost"

# Override default configuration template.
# For advanced users :)
#
# Optional
#
# filename = "marathon.tmpl"

# Override template version
# For advanced users :)
#
# Optional
# - "1": previous template version (must be used only with older custom templates, see "filename")
# - "2": current template version (must be used to force template version when "filename" is used)
#
# templateVersion = "2"

# Expose Marathon apps by default in Traefik.
#
# Optional
# Default: true
#
# exposedByDefault = false

# Convert Marathon groups to subdomains.
# Default behavior: /foo/bar/myapp => foo-bar-myapp.{defaultDomain}
# with groupsAsSubDomains enabled: /foo/bar/myapp => myapp.bar.foo.{defaultDomain}
#
# Optional
# Default: false
#
# groupsAsSubDomains = true

# Enable compatibility with marathon-lb labels.
#
# Optional
# Default: false
#
# marathonLBCompatibility = true

# Enable filtering using Marathon constraints..
# If enabled, Traefik will read Marathon constraints, as defined in https://mesosphere.github.io/marathon/docs/constraints.html
# Each individual constraint will be treated as a verbatim compounded tag.
# i.e. "rack_id:CLUSTER:rack-1", with all constraint groups concatenated together using ":"
#
# Optional
# Default: false
#
# filterMarathonConstraints = true

# Enable Marathon basic authentication.
#
# Optional
#
#    [marathon.basic]
#    httpBasicAuthUser = "foo"
#    httpBasicPassword = "bar"

# TLS client configuration. https://golang.org/pkg/crypto/tls/#Config
#
# Optional
#
#    [marathon.TLS]
#    CA = "/etc/ssl/ca.crt"
#    Cert = "/etc/ssl/marathon.cert"
#    Key = "/etc/ssl/marathon.key"
#    InsecureSkipVerify = true

# DCOSToken for DCOS environment.
# This will override the Authorization header.
#
# Optional
#
# dcosToken = "xxxxxx"

# Override DialerTimeout.
# Amount of time to allow the Marathon provider to wait to open a TCP connection
# to a Marathon master.
# Can be provided in a format supported by [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration) or as raw
# values (digits).
# If no units are provided, the value is parsed assuming seconds.
#
# Optional
# Default: "60s"
#
# dialerTimeout = "60s"

# Set the TCP Keep Alive interval for the Marathon HTTP Client.
# Can be provided in a format supported by [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration) or as raw
# values (digits).
# If no units are provided, the value is parsed assuming seconds.
#
# Optional
# Default: "10s"
#
# keepAlive = "10s"

# By default, a task's IP address (as returned by the Marathon API) is used as
# backend server if an IP-per-task configuration can be found; otherwise, the
# name of the host running the task is used.
# The latter behavior can be enforced by enabling this switch.
#
# Optional
# Default: false
#
# forceTaskHostname = true

# Applications may define readiness checks which are probed by Marathon during
# deployments periodically and the results exposed via the API.
# Enabling the following parameter causes Traefik to filter out tasks
# whose readiness checks have not succeeded.
# Note that the checks are only valid at deployment times.
# See the Marathon guide for details.
#
# Optional
# Default: false
#
# respectReadinessChecks = true

To enable constraints see backend-specific constraints section.

Labels: overriding default behavior

Marathon labels may be used to dynamically change the routing and forwarding behavior.

They may be specified on one of two levels: Application or service.

Application Level

The following labels can be defined on Marathon applications. They adjust the behavior for the entire application.

Label Description
traefik.enable=false Disable this container in Træfik
traefik.port=80 Register this port. Useful when the container exposes multiples ports.
traefik.portIndex=1 Register port by index in the application's ports array. Useful when the application exposes multiple ports.
traefik.protocol=https Override the default http protocol
traefik.weight=10 Assign this weight to the container
traefik.backend=foo Give the name foo to the generated backend for this container.
traefik.backend.buffering.maxRequestBodyBytes=0 See buffering section.
traefik.backend.buffering.maxResponseBodyBytes=0 See buffering section.
traefik.backend.buffering.memRequestBodyBytes=0 See buffering section.
traefik.backend.buffering.memResponseBodyBytes=0 See buffering section.
traefik.backend.buffering.retryExpression=EXPR See buffering section.
traefik.backend.circuitbreaker.expression=EXPR Create a circuit breaker to be used against the backend
traefik.backend.healthcheck.path=/health Enable health check for the backend, hitting the container at path.
traefik.backend.healthcheck.port=8080 Allow to use a different port for the health check.
traefik.backend.healthcheck.interval=1s Define the health check interval. (Default: 30s)
traefik.backend.loadbalancer.method=drr Override the default wrr load balancer algorithm
traefik.backend.loadbalancer.stickiness=true Enable backend sticky sessions
traefik.backend.loadbalancer.stickiness.cookieName=NAME Manually set the cookie name for sticky sessions
traefik.backend.loadbalancer.sticky=true Enable backend sticky sessions (DEPRECATED)
traefik.backend.maxconn.amount=10 Set a maximum number of connections to the backend.
Must be used in conjunction with the below label to take effect.
traefik.backend.maxconn.extractorfunc=client.ip Set the function to be used against the request to determine what to limit maximum connections to the backend by.
Must be used in conjunction with the above label to take effect.
traefik.frontend.auth.basic=EXPR Sets basic authentication for that frontend in CSV format: User:Hash,User:Hash
traefik.frontend.entryPoints=http,https Assign this frontend to entry points http and https.
Overrides defaultEntryPoints
traefik.frontend.errors.<name>.backend=NAME See custom error pages section.
traefik.frontend.errors.<name>.query=PATH See custom error pages section.
traefik.frontend.errors.<name>.status=RANGE See custom error pages section.
traefik.frontend.passHostHeader=true Forward client Host header to the backend.
traefik.frontend.passTLSCert=true Forward TLS Client certificates to the backend.
traefik.frontend.priority=10 Override default frontend priority
traefik.frontend.rateLimit.extractorFunc=EXP See rate limiting section.
traefik.frontend.rateLimit.rateSet.<name>.period=6 See rate limiting section.
traefik.frontend.rateLimit.rateSet.<name>.average=6 See rate limiting section.
traefik.frontend.rateLimit.rateSet.<name>.burst=6 See rate limiting section.
traefik.frontend.redirect.entryPoint=https Enables Redirect to another entryPoint for that frontend (e.g. HTTPS)
traefik.frontend.redirect.regex=^http://localhost/(.*) Redirect to another URL for that frontend.
Must be set with traefik.frontend.redirect.replacement.
traefik.frontend.redirect.replacement=http://mydomain/$1 Redirect to another URL for that frontend.
Must be set with traefik.frontend.redirect.regex.
traefik.frontend.redirect.permanent=true Return 301 instead of 302.
traefik.frontend.rule=EXPR Override the default frontend rule. Default: Host:{sub_domain}.{domain}.
traefik.frontend.whiteList.sourceRange=RANGE List of IP-Ranges which are allowed to access.
An unset or empty list allows all Source-IPs to access. If one of the Net-Specifications are invalid, the whole list is invalid and allows all Source-IPs to access.
traefik.frontend.whiteList.useXForwardedFor=true Use X-Forwarded-For header as valid source of IP for the white list.

Custom Headers

Label Description
traefik.frontend.headers.customRequestHeaders=EXPR Provides the container with custom request headers that will be appended to each request forwarded to the container.
Format: HEADER:value||HEADER2:value2
traefik.frontend.headers.customResponseHeaders=EXPR Appends the headers to each response returned by the container, before forwarding the response to the client.
Format: HEADER:value||HEADER2:value2

Security Headers

Label Description
traefik.frontend.headers.allowedHosts=EXPR Provides a list of allowed hosts that requests will be processed.
Format: Host1,Host2
traefik.frontend.headers.hostsProxyHeaders=EXPR Provides a list of headers that the proxied hostname may be stored.
Format: HEADER1,HEADER2
traefik.frontend.headers.SSLRedirect=true Forces the frontend to redirect to SSL if a non-SSL request is sent.
traefik.frontend.headers.SSLTemporaryRedirect=true Forces the frontend to redirect to SSL if a non-SSL request is sent, but by sending a 302 instead of a 301.
traefik.frontend.headers.SSLHost=HOST This setting configures the hostname that redirects will be based on. Default is "", which is the same host as the request.
traefik.frontend.headers.SSLProxyHeaders=EXPR Header combinations that would signify a proper SSL Request (Such as X-Forwarded-For:https).
Format: HEADER:value||HEADER2:value2
traefik.frontend.headers.STSSeconds=315360000 Sets the max-age of the STS header.
traefik.frontend.headers.STSIncludeSubdomains=true Adds the IncludeSubdomains section of the STS header.
traefik.frontend.headers.STSPreload=true Adds the preload flag to the STS header.
traefik.frontend.headers.forceSTSHeader=false Adds the STS header to non-SSL requests.
traefik.frontend.headers.frameDeny=false Adds the X-Frame-Options header with the value of DENY.
traefik.frontend.headers.customFrameOptionsValue=VALUE Overrides the X-Frame-Options header with the custom value.
traefik.frontend.headers.contentTypeNosniff=true Adds the X-Content-Type-Options header with the value nosniff.
traefik.frontend.headers.browserXSSFilter=true Adds the X-XSS-Protection header with the value 1; mode=block.
traefik.frontend.headers.customBrowserXSSValue=VALUE Set custom value for X-XSS-Protection header. This overrides the BrowserXssFilter option.
traefik.frontend.headers.contentSecurityPolicy=VALUE Adds CSP Header with the custom value.
traefik.frontend.headers.publicKey=VALUE Adds pinned HTST public key header.
traefik.frontend.headers.referrerPolicy=VALUE Adds referrer policy header.
traefik.frontend.headers.isDevelopment=false This will cause the AllowedHosts, SSLRedirect, and STSSeconds/STSIncludeSubdomains options to be ignored during development.
When deploying to production, be sure to set this to false.

Applications with Multiple Ports (segment labels)

Segment labels are used to define routes to an application exposing multiple ports. A segment is a group of labels that apply to a port exposed by an application. You can define as many segments as ports exposed in an application.

Segment labels override the default behavior.

Label Description
traefik.<segment_name>.portIndex=1 Create a service binding with frontend/backend using this port index. Overrides traefik.portIndex.
traefik.<segment_name>.port=PORT Overrides traefik.port. If several ports need to be exposed, the service labels could be used.
traefik.<segment_name>.protocol=http Overrides traefik.protocol.
traefik.<segment_name>.weight=10 Assign this service weight. Overrides traefik.weight.
traefik.<segment_name>.frontend.auth.basic=EXPR Sets a Basic Auth for that frontend
traefik.<segment_name>.frontend.backend=BACKEND Assign this service frontend to BACKEND. Default is to assign to the service backend.
traefik.<segment_name>.frontend.entryPoints=https Overrides traefik.frontend.entrypoints
traefik.<segment_name>.frontend.errors.<name>.backend=NAME See custom error pages section.
traefik.<segment_name>.frontend.errors.<name>.query=PATH See custom error pages section.
traefik.<segment_name>.frontend.errors.<name>.status=RANGE See custom error pages section.
traefik.<segment_name>.frontend.passHostHeader=true Overrides traefik.frontend.passHostHeader.
traefik.<segment_name>.frontend.passTLSCert=true Overrides traefik.frontend.passTLSCert.
traefik.<segment_name>.frontend.priority=10 Overrides traefik.frontend.priority.
traefik.<segment_name>.frontend.rateLimit.extractorFunc=EXP See rate limiting section.
traefik.<segment_name>.frontend.rateLimit.rateSet.<name>.period=6 See rate limiting section.
traefik.<segment_name>.frontend.rateLimit.rateSet.<name>.average=6 See rate limiting section.
traefik.<segment_name>.frontend.rateLimit.rateSet.<name>.burst=6 See rate limiting section.
traefik.<segment_name>.frontend.redirect.entryPoint=https Overrides traefik.frontend.redirect.entryPoint.
traefik.<segment_name>.frontend.redirect.regex=^http://localhost/(.*) Overrides traefik.frontend.redirect.regex.
traefik.<segment_name>.frontend.redirect.replacement=http://mydomain/$1 Overrides traefik.frontend.redirect.replacement.
traefik.<segment_name>.frontend.redirect.permanent=true Return 301 instead of 302.
traefik.<segment_name>.frontend.rule=EXP Overrides traefik.frontend.rule. Default: {service_name}.{sub_domain}.{domain}
traefik.<segment_name>.frontend.whitelistSourceRange=RANGE Overrides traefik.frontend.whitelistSourceRange.
traefik.<segment_name>.frontend.whiteList.sourceRange=RANGE Overrides traefik.frontend.whiteList.sourceRange.
traefik.<segment_name>.frontend.whiteList.useXForwardedFor=true Use X-Forwarded-For header as valid source of IP for the white list.

Custom Headers

Label Description
traefik.<segment_name>.frontend.headers.customRequestHeaders=EXPR Provides the container with custom request headers that will be appended to each request forwarded to the container.
Format: HEADER:value||HEADER2:value2
traefik.<segment_name>.frontend.headers.customResponseHeaders=EXPR Appends the headers to each response returned by the container, before forwarding the response to the client.
Format: HEADER:value||HEADER2:value2

Security Headers

Label Description
traefik.<segment_name>.frontend.headers.allowedHosts=EXPR Provides a list of allowed hosts that requests will be processed.
Format: Host1,Host2
traefik.<segment_name>.frontend.headers.hostsProxyHeaders=EXPR Provides a list of headers that the proxied hostname may be stored.
Format: HEADER1,HEADER2
traefik.<segment_name>.frontend.headers.SSLRedirect=true Forces the frontend to redirect to SSL if a non-SSL request is sent.
traefik.<segment_name>.frontend.headers.SSLTemporaryRedirect=true Forces the frontend to redirect to SSL if a non-SSL request is sent, but by sending a 302 instead of a 301.
traefik.<segment_name>.frontend.headers.SSLHost=HOST This setting configures the hostname that redirects will be based on. Default is "", which is the same host as the request.
traefik.<segment_name>.frontend.headers.SSLProxyHeaders=EXPR Header combinations that would signify a proper SSL Request (Such as X-Forwarded-For:https).
Format: HEADER:value||HEADER2:value2
traefik.<segment_name>.frontend.headers.STSSeconds=315360000 Sets the max-age of the STS header.
traefik.<segment_name>.frontend.headers.STSIncludeSubdomains=true Adds the IncludeSubdomains section of the STS header.
traefik.<segment_name>.frontend.headers.STSPreload=true Adds the preload flag to the STS header.
traefik.<segment_name>.frontend.headers.forceSTSHeader=false Adds the STS header to non-SSL requests.
traefik.<segment_name>.frontend.headers.frameDeny=false Adds the X-Frame-Options header with the value of DENY.
traefik.<segment_name>.frontend.headers.customFrameOptionsValue=VALUE Overrides the X-Frame-Options header with the custom value.
traefik.<segment_name>.frontend.headers.contentTypeNosniff=true Adds the X-Content-Type-Options header with the value nosniff.
traefik.<segment_name>.frontend.headers.browserXSSFilter=true Adds the X-XSS-Protection header with the value 1; mode=block.
traefik.<segment_name>.frontend.headers.customBrowserXSSValue=VALUE Set custom value for X-XSS-Protection header. This overrides the BrowserXssFilter option.
traefik.<segment_name>.frontend.headers.contentSecurityPolicy=VALUE Adds CSP Header with the custom value.
traefik.<segment_name>.frontend.headers.publicKey=VALUE Adds pinned HTST public key header.
traefik.<segment_name>.frontend.headers.referrerPolicy=VALUE Adds referrer policy header.
traefik.<segment_name>.frontend.headers.isDevelopment=false This will cause the AllowedHosts, SSLRedirect, and STSSeconds/STSIncludeSubdomains options to be ignored during development.
When deploying to production, be sure to set this to false.