Nottrobin Squid Reverseproxy Legacy

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• avg_obj_size_kb | int

  Default: 16

  Estimated average size of a cached object.

• cache_dir | string

  Default: /var/spool/squid3

  The top-level directory where cache swap files will be stored.

• cache_mem_mb | int

  Default: 256

  Maximum size of in-memory object cache (MB). Should be smaller than cache_size_mb. Set to zero to disable caching completely.

• cache_size_mb | int

  Default: 512

  Maximum size of the on-disk object cache (MB). Set to zero to disable disk caching.

• enable_forward_proxy | boolean

  Enables forward proxying

• enable_https | boolean

  Enable https access for squid, requires a squid compiled with --enable-ssl, certificate and private key

• force_https | boolean

  A domain for which to force HTTPS connections only with a 301 redirect. Requires "enable_https".

• https_options | string

  Default: accel vhost

  Options for https port

• https_port | int

  Default: 443

  Squid https listening port

• log_format | string

  Default: %>a %ui %un [%tl] "%rm %ru HTTP/%rv" %>Hs %<st "%{Referer}>h" "%{User-Agent}>h" %Ss:%Sh

  Format of the squid log.

• logrotate_count | int

  Default: 365

  The number of days we want to retain logs for

• logrotate_dateext | boolean

  Default: True

  Use daily extension like YYYMMDD instead of simply adding a number

• logrotate_rotate | string

  Default: daily

  daily, weekly, monthly, or yearly?

• max_obj_size_in_mem_kb | int

  Default: 512

  Maximum size of an object to be cached in memory (KB).

• max_obj_size_kb | int

  Default: 8192

  Maximum size of an object to be cached (KB).

• metrics | string

  Default: cacheCpuUsage cacheCurrentSwapSize cacheDnsSvcTime.5 cacheHttpErrors cacheHttpAllSvcTime.5 cacheHttpHitSvcTime.5 cacheHttpMissSvcTime.5 cacheHttpNhSvcTime.5 cacheHttpNmSvcTime.5 cacheHttpInKb cacheHttpOutKb cacheMaxResSize cacheMemMaxSize cacheMemUsage cacheNumObjCount cachePeerRtt cacheRequestByteRatio.5 cacheRequestHitRatio.5 cacheSwapHighWM cacheSwapLowWM cacheSwapMaxSize cacheSysNumReads cacheSysPageFaults cacheSysStorage cacheSysVMsize

  List of SNMP metrics to be exported. Names should match Squid's SNMP names at http://wiki.squid-cache.org/Features/Snmp#Squid_OIDs. By default, this charm uses the 5min sampling when averages are used and specifies the .5 measurements explicitly. If you want to use 1m or 60m timings, you should be explicit (.1/.60, and probably change the cron job frequency. Warning: any metric starting with 'cachePeer...' will produce 1 metric per configured peer, so can increase the number of metrics rapidly if you have lots of peers.

• metrics_sample_interval | int

  Default: 5

  Period for metrics cron job to run in minutes

• metrics_scheme | string

  Default: dev.$UNIT.squid.$METRIC

  Naming scheme for metrics. Special values $UNIT and $METRIC can be used for more complex schemes, e.g. for suffixes for graphite processing .

• metrics_target | string

  Destination for metrics, format "host:port". If not present and valid, metrics disabled.

• nagios_check_http_params | string

  The parameters to pass to the nrpe plugin check_http. String will be formatted with config data

• nagios_check_https_params | string

  The parameters to pass to the nrpe plugin check_http. String will be formatted with config data

• nagios_context | string

  Default: juju

  Used by the nrpe-external-master subordinate charm. A string that will be prepended to instance name to set the host name in nagios. So for instance the hostname would be something like: juju-squid-0 If you're running multiple environments with the same services in them this allows you to differentiate between them.

• nagios_service_type | string

  Default: generic

  What service this component forms part of, e.g. supermassive-squid-cluster. Used by nrpe.

• package_status | string

  Default: install

  The status of service-affecting packages will be set to this value in the dpkg database. Useful valid values are "install" and "hold".

• port | int

  Default: 3128

  Squid listening port.

• port_options | string

  Default: accel vhost

  Squid listening port options

• refresh_patterns | string

  JSON- or YAML-formatted list of refresh patterns. For example: '{"http://www.ubuntu.com";: {"min": 0, "percent": 20, "max": 60}, "http://www.canonical.com";: {"min": 0, "percent": 20, "max": 120}}'

• request_header_access | string

  A space separated list of request headers to allow or deny. For example: "X-Auth-Token:deny User-Agent:allow"

• request_header_add | string

  A space separated list of request headers to add. For example: 'X-Forwarded-Proto:"https"'

• services | string

  Services definition(s). Although the variable type is a string, this is interpreted by the charm as yaml. To use multiple services within the same instance, specify all of the variables (service_name, service_host, service_port) with a "-" before the first variable, service_name, as below. - service_name: example_proxy service_domain: example.com servers: - [foo.internal, 80] - [bar.internal, 80]

• snmp_allowed_ips | string

  Single, or json-formatted list of, IP (with optional subnet mask) allowed to query SNMP.

• snmp_community | string

  SNMP community string for monitoring the service. Required for metrics to be enabled.

• snmp_port | int

  Default: 3401

  Port for snmp service

• ssl_cert | string

  Base64 encoded ssl cert file

• ssl_certfile | string

  Default: /etc/squid3/ssl/cert.crt

  File path to ssl cert file inside deployed units

• ssl_cipher_suite | string

  Default: EECDH+AESGCM+AES128:EDH+AESGCM+AES128:EECDH+AES128:EDH+AES128:ECDH+AESGCM+AES128:aRSA+AESGCM+AES128:ECDH+AES128:DH+AES128:aRSA+AES128:EECDH+AESGCM:EDH+AESGCM:EECDH:EDH:ECDH+AESGCM:aRSA+AESGCM:ECDH:DH:aRSA:HIGH:!MEDIUM:!aNULL:!NULL:!LOW:!3DES:!DSS:!EXP:!PSK:!SRP

• ssl_key | string

  Base64 encoded ssl key file

• ssl_keyfile | string

  Default: /etc/squid3/ssl/cert.key

  File path to ssl key file inside deployed units

• ssl_options | string

  Default: NO_SSLv2,NO_SSLv3,CIPHER_SERVER_PREFERENCE,SINGLE_DH_USE

• target_objs_per_dir | int

  Default: 400

  Target number of objects to store in L2 directories.

• via | string

  Default: on

  Add 'Via' header to outgoing requests.

• x_balancer_name_allowed | boolean

  Route based on X-Balancer-Name header set by Apache charm.