openstack/designate
Code Issues Proposed changes
8250ac4194
designate/devstack/settings
Tim Simmons 81ce132e90 Worker Model 
- More information about the actual worker code can be found
  in `designate/worker/README.md` and in the inline docstrings

- Stand up a `designate-worker` process with an rpcapi, all
  the usual jazz

- Implement a base `Task` class that defines the behavior of
  a task and exposes resources to the task.

- Implement CUD Zone tasks, which includes Tasks that poll for zones,
  send Notifies, and update status. These are all done in parallel
  with threads using a shared threadpool, rather than iteratively.

- Implement a `recover_shard` task that serves the function
  of a periodic recovery, but only for a shard. Call that
  task with various shards from the zone manager.

- Put some shims in central and mdns so that the worker can
  be switched on/off with a few config values.

- Changes Zone Manager -> Producer
    - Removes zm rpcapi
    - Adds startable designate-producer service
    - Makes zone-manager an alias for producer service with a warning log
    - Lots of renaming

- Moves zone export to worker
    - API now uses central_api.export_zone to get zonefiles
    - Central uses worker_api.start_zone_export to init exports
    - Now including unit tests
    - Temporary workarounds for upgrade/migration move the logic
      into central if worker isn't available.

- Deprecates Pool manager polling options and adds warning msg on
  starting designate-pool-manager

- Get some devstack going

- Changes powerdns backend to get new sqlalchemy sessions for each
  action

- Sets the default number of threads in a worker process to 200,
  this is pretty much a shot in the dark, but 1000 seemed like
  too many, and 20 wasn't enough.

- Grenade upgrade testing

- Deprecation warnings for zone/pool mgr

The way to run this is simple, just stop `designate-pool-manager`
and `designate-zone-manager`, toggle the config settings in the
`service:worker` section: enabled = true, notify = true
and start `designate-worker` and `designate-producer` and you
should be good to go.

Change-Id: I259e9825d3a4eea58e082303ba3bdbdb7bf8c363
2016-08-24 14:54:31 +00:00

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# Default options
DESIGNATE_BACKEND_DRIVER=${DESIGNATE_BACKEND_DRIVER:=powerdns}
DESIGNATE_AGENT_BACKEND_DRIVER=${DESIGNATE_AGENT_BACKEND_DRIVER:-"fake"}
DESIGNATE_POOL_MANAGER_CACHE_DRIVER=${DESIGNATE_POOL_MANAGER_CACHE_DRIVER:-memcache}
DESIGNATE_POOL_ID=${DESIGNATE_POOL_ID:-794ccc2c-d751-44fe-b57f-8894c9f5c842}
DESIGNATE_DEFAULT_NS_RECORD=${DESIGNATE_DEFAULT_NS_RECORD:-ns1.devstack.org.}
DESIGNATE_NOTIFICATION_DRIVER=${DESIGNATE_NOTIFICATION_DRIVER:-}
DESIGNATE_NOTIFICATION_TOPICS=${DESIGNATE_NOTIFICATION_TOPICS:-notifications}
DESIGNATE_PERIODIC_RECOVERY_INTERVAL=${DESIGNATE_PERIODIC_RECOVERY_INTERVAL:-120}
DESIGNATE_PERIODIC_SYNC_INTERVAL=${DESIGNATE_PERIODIC_SYNC_INTERVAL:-1800}
DESIGNATE_COORDINATION_URL=${DESIGNATE_COORDINATION_URL:-}
DESIGNATE_POLL_INTERVAL=${DESIGNATE_POLL_INTERVAL:-5}
DESIGNATE_POLL_RETRIES=${DESIGNATE_POLL_RETRIES:-6}
# Quota Options
DESIGNATE_QUOTA_ZONES=${DESIGNATE_QUOTA_ZONES:-100}
DESIGNATE_QUOTA_ZONE_RECORDSETS=${DESIGNATE_QUOTA_ZONE_RECORDSETS:-500}
DESIGNATE_QUOTA_ZONE_RECORDS=${DESIGNATE_QUOTA_ZONE_RECORDS:-500}
DESIGNATE_QUOTA_RECORDSET_RECORDS=${DESIGNATE_QUOTA_RECORDSET_RECORDS:-20}
DESIGNATE_QUOTA_API_EXPORT_SIZE=${DESIGNATE_QUOTA_API_EXPORT_SIZE:-1000}
# Default APIs and Extensions
DESIGNATE_ENABLE_API_V1=${DESIGNATE_ENABLE_API_V1:-"True"}
DESIGNATE_ENABLE_API_V2=${DESIGNATE_ENABLE_API_V2:-"True"}
DESIGNATE_ENABLE_API_ADMIN=${DESIGNATE_ENABLE_API_ADMIN:-"True"}
DESIGNATE_ENABLED_EXTENSIONS_V1=${DESIGNATE_ENABLED_EXTENSIONS_V1:-"quotas"}
DESIGNATE_ENABLED_EXTENSIONS_V2=${DESIGNATE_ENABLED_EXTENSIONS_V2:-""}
DESIGNATE_ENABLED_EXTENSIONS_ADMIN=${DESIGNATE_ENABLED_EXTENSIONS_ADMIN:-"quotas"}
# Default IP/port settings
DESIGNATE_SERVICE_PROTOCOL=${DESIGNATE_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
DESIGNATE_SERVICE_HOST=${DESIGNATE_SERVICE_HOST:-$SERVICE_HOST}
DESIGNATE_SERVICE_PORT=${DESIGNATE_SERVICE_PORT:-9001}
DESIGNATE_SERVICE_PORT_INT=${DESIGNATE_SERVICE_PORT_INT:-19001}
DESIGNATE_SERVICE_PORT_DNS=${DESIGNATE_SERVICE_PORT_DNS:-53}
DESIGNATE_SERVICE_PORT_MDNS=${DESIGNATE_SERVICE_PORT_MDNS:-5354}
DESIGNATE_SERVICE_PORT_AGENT=${DESIGNATE_SERVICE_PORT_AGENT:-5358}
# Default directories
DESIGNATE_BIN_DIR=$(get_python_exec_prefix)
DESIGNATE_DIR=$DEST/designate
DESIGNATEDASHBOARD_DIR=$DEST/designate-dashboard
DESIGNATE_CONF_DIR=/etc/designate
DESIGNATE_STATE_PATH=${DESIGNATE_STATE_PATH:=$DATA_DIR/designate}
DESIGNATE_CONF=$DESIGNATE_CONF_DIR/designate.conf
DESIGNATE_LOG_DIR=/var/log/designate
DESIGNATE_AUTH_CACHE_DIR=${DESIGNATE_AUTH_CACHE_DIR:-/var/cache/designate}
DESIGNATE_ROOTWRAP_CONF=$DESIGNATE_CONF_DIR/rootwrap.conf
DESIGNATE_APIPASTE_CONF=$DESIGNATE_CONF_DIR/api-paste.ini
DESIGNATE_PLUGINS=$DESIGNATE_DIR/devstack/designate_plugins
# Default repositories
DESIGNATE_REPO=${DESIGNATE_REPO:-${GIT_BASE}/openstack/designate.git}
DESIGNATE_BRANCH=${DESIGNATE_BRANCH:-master}
GITREPO["designate-dashboard"]=${DESIGNATEDASHBOARD_REPO:-${GIT_BASE}/openstack/designate-dashboard.git}
GITBRANCH["designate-dashboard"]=${DESIGNATEDASHBOARD_BRANCH:-master}
GITDIR["designate-dashboard"]=$DEST/designate-dashboard
GITREPO["python-designateclient"]=${DESIGNATECLIENT_REPO:-${GIT_BASE}/openstack/python-designateclient.git}
GITBRANCH["python-designateclient"]=${DESIGNATECLIENT_BRANCH:-master}
GITDIR["python-designateclient"]=$DEST/python-designateclient
GITREPO["designate-tempest-plugin"]=${DESIGNATETEMPEST_REPO:-${GIT_BASE}/openstack/designate-tempest-plugin.git}
GITBRANCH["designate-tempest-plugin"]=${DESIGNATETEMPEST_BRANCH:-master}
GITDIR["designate-tempest-plugin"]=$DEST/designate-tempest-plugin
# Tell Tempest this project is present
TEMPEST_SERVICES+=,designate
# Turn on all Designate services by default
enable_service designate
enable_service designate-central
enable_service designate-api
enable_service designate-pool-manager
enable_service designate-zone-manager
enable_service designate-mdns
enable_service designate-agent
enable_service designate-sink
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