Ballot Content Cache

Learn about configurations >

• blacklist_ports | string

  Comma-separated list of TCP port numbers to skip over when generating internal servers used between haproxy and nginx. Used when a large number of sites may interfere with existing unit services, subordinate charms, etc.

• cache_inactive_time | string

  Maximum age/time inactive objects are stored in cache. If unspecified, use the upstream defaults (currently 10m).

• cache_max_size | string

  Maximum size of content cache storage. If unspecified, the maximum cache storage size will be set to 75% of the total disk space, using a 1GB minimum size.

• cache_path | string

  Default: /var/lib/nginx/proxy

  Path or directory to store cached objects.

• enable_prometheus_metrics | boolean

  Default: True

  Export metrics for the number of requests and the number of cache hits. Prometheus metrics are exposed at /metrics on port 9145.

• log_retention | int

  Default: 30

  Number of log files to retain during rotation.

• max_connections | int

  Configure maximum number of connections per site on frontend HAProxy. Defaults to auto-calculate (0).

• nagios_context | string

  Default: juju

  This string is prefixed to the hostname when writing exported nagios config fragments.

• nagios_servicegroups | string

  A comma-separated list of nagios servicegroups. If left empty, the nagios_context will be used as the servicegroup

• sites | string

  YAML-formatted virtual hosts/sites. See the README.md for more details and examples.

• sites_secrets | string

  YAML-formatted dictionary of secrets/keys. e.g. site1.local: locations: "/": origin-headers: X-Origin-Key: my-origin-secret-key signed-url-hmac-key: my-signed-url-secret-key

• tls_cipher_suites | string

  Override default ciphers used for TLS/SSL termination (OpenSSL format).

• worker_connections | int

  Default: 768

  Sets the maximum number of simultaneous connections that can be opened by an Nginx worker process.

• worker_processes | int

  Sets the number of Nginx worker processes. Setting to '0' (auto) will set based on available CPU cores.