Rancher backend

Træfik can be configured to use Rancher as a backend configuration:

################################################################
# Rancher configuration backend
################################################################

# Enable Rancher configuration backend
#
# Optional
#
[rancher]

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

# Enable watch Rancher changes
#
# Optional
# Default: true
#
Watch = true

# Polling interval (in seconds)
#
# Optional
#
RefreshSeconds = 15

# Expose Rancher services by default in traefik
#
# Optional
# Default: true
#
ExposedByDefault = false

# Filter services with unhealthy states and inactive states
#
# Optional
# Default: false
#
EnableServiceHealthFilter = true

# Enable Rancher metadata service configuration backend instead of the API
# configuration backend
#
# Optional
# Default: false
#
[rancher.metadata]

# Poll the Rancher metadata service for changes every `rancher.RefreshSeconds`
# NOTE: this is less accurate than the default long polling technique which
# will provide near instantaneous updates to Traefik
#
# Optional
# Default: false
#
IntervalPoll = true

# Prefix used for accessing the Rancher metadata service
#
# Optional
# Default: "/latest"
#
Prefix = "/2016-07-29"

# Enable Rancher API configuration backend
#
# Optional
# Default: true
#
[rancher.api]

# Endpoint to use when connecting to the Rancher API
#
# Required
Endpoint = "http://rancherserver.example.com/v1"

# AccessKey to use when connecting to the Rancher API
#
# Required
AccessKey = "XXXXXXXXXXXXXXXXXXXX"

# SecretKey to use when connecting to the Rancher API
#
# Required
SecretKey = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

If Traefik needs access to the Rancher API, you need to set the endpoint, accesskey and secretkey parameters.

To enable traefik to fetch information about the Environment it's deployed in only, you need to create an Environment API Key. This can be found within the API Key advanced options.

Labels can be used on task containers to override default behaviour:

traefik.protocol=https: override the default http protocol
traefik.weight=10: assign this weight to the container
traefik.enable=false: disable this container in Træfik
traefik.frontend.rule=Host:test.traefik.io: override the default frontend rule (Default: Host:{containerName}.{domain}).
traefik.frontend.passHostHeader=true: forward client Host header to the backend.
traefik.frontend.priority=10: override default frontend priority
traefik.frontend.entryPoints=http,https: assign this frontend to entry points http and https. Overrides defaultEntryPoints.
traefik.frontend.auth.basic=test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0: Sets basic authentication for that frontend with the usernames and passwords test:test and test2:test2, respectively

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Rancher backend

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