Delete reading `alpha` from env var. Cover
retrieving `alpha` behind interface in
intermediate calculator. Add TODO to decide
if it is necessary to receive that param from
global config or not.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Add consumer storage wrapper that implements
`WriterProvider` interface. Change field naming
in daughters storage package.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Move common remoteProvider code to cmd/reputation/common.
Hide WriterProvider initialization behind interface and
add implementation of that interface to local and
intermediate packages in cmd/reputation directory.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Add implementation of Builder interface for
intermediate trusts. Move all code associated
with managers to `common` directory in `cmd`
and `pkg/services/reputation`
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Control service turns storage node to online and offline modes. We can't
reuse `cfgNetmap.reBootstrapEnabled` because it represents configuration
value while control service manages state in runtime.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Eigen trust block timer ticks to start new round of
eigen trust calculations. Every epoch this timer
recalculates duration and starts again.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Add `addContainerAsyncNotificationHandler`
func that passed handler to container's
worker pool similar to how it is done in
reputation handlers.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Add handler closure over worker pool
in the event package.
Add `addNewEpochAsyncNotificationHandler`
function that uses that closure. Pass
the reputation report handler to worker
pool via using that function.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Add worker pools to Netmap and Container
config structures. Add its initialization
that depends on environmental variables(
sync/async; worker pool size).
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
if `shutdown.offline.enabled` config option set to true, then
send netmap.UpdateState(offline) tx at the shutdown. This config
option is not set by default.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Add `Router` to the reputation server. `Router` is
called on every incoming request and inits `Writer`
that sends `Trust`s to the next route point or
handle(logs in that implementation) them if current
node is the end point of the route.
Rename `onlyKeyRemoteServerInfo` struct for container
to separate it from the same implementation of the
same `ServerInfo` interface for reputation.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Implement dependencies for local trust router
in `main` package. Managers are defined as
next node after the current one in HRW sorted
list of current NetMap.
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Register reputation service server that:
* verifies signatures of the requests and signs the responses;
* attaches response meta header to the responses;
* logs body structures of the requests (only as initial implementation, in
future it will be replaces with local trust storage).
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
There is a need to track the results of Object interactions with the remote
peers during node's lifetime. Each successful operation should increment the
number of satisfactory interactions with the remote peer, and the failed
ones, on the contrary, decrement. Collected numbers of satisfactory
interactions are going to be used for calculation of the normalized local
trust values according to original EigenTrust algorithm.
Implement wrapper over local trust storage that calls `Update` method on it
with the result of any object operation. The wrapper provides interface of
the remote client constructor. It is used as a `ClientConstructor` component
in Object service server of the app.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Implement and call `initReputationService` func that constructs local trust
storage and controller, and subscribes the controller on new epoch
notification. Event handler calls `Controller.Report` method to process
collected values.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Implement simple `WriterProvider` building a `Writer` that writes incoming
data to the log. In the future, this action will be replaced by sending the
value to the manager nodes.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Implement iterator provider on wrapper over the local trust storage.
Provided iterator passes normalized local trust values according to original
EigenTrust algorithm description. In the borderline case, normalized values
are set as 1/N, N - number of remote nodes in network map.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Replace usage of `cache.ClientCache` type with interface with similar
signature. This will further allow overloading clients without affecting the
logic of dependent packages.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
ttlNetCache should evict records after TTL duration. However if
data is often accessed and there are no LRU eviction (cache used
with small number of keys), then data will not be evicted ever.
This is a invalid behaviour for mutable data such as eACL.
Solution is to not update access time on every get, so the data
will be guarantee evicted after TTL duration.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
`WithMetrics` can't make nil check without reflection so we
have to explicitly check if metrics enabled outside of
engine constructor.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Because options are not used when client is already in cache
providing them to shared cache is misleading at best.
In the worst case `dial_timeout` is set randomly (because of race
condition) which can lead to one service having `dial_timeout` of
another. Thus we set default client creation options when cache is
created.
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
Implement LRU cache of eACL tables read from sidechain. Use it as a netmap
storage in neofs-node app. Current cache size is set to 10 (constant).
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Implement TTL cache of eACL tables read from sidechain. Use it as a eACL
storage in neofs-node app. Current cache size is set to 100, TTL is 30s
(constants).
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Implement LRU cache for values read from the network. Implement LRU cache of
containers read from sidechain. Use it as a container storage in neofs-node
app. Current cache size is set to 100, TTL is 30s (constants).
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Replace `eacl.Storage` interface implementation from eACL lib to neofs-node
app package. Remove `eacl.WithMorphClient` option in order to abstract eACL
validator from eACL storage implementation.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
