fix: enable trace logging only if logrus.LogLevel() is TRACE

[denis-tingaikin]

Signed-off-by: Denis Tingaikin denis.tingajkin@xored.com

Description

Error prints can still be seen in the logs after deploying the basic kernel2kernel example from the repo:

Apr 21 11:31:46.821 [ERRO] [type:registry] (7.3)         failed to dial unix:///var/lib/networkservicemesh/nsm.io.sock: context deadline exceeded
Apr 21 11:31:46.821 [ERRO] [type:registry] (6.2)        failed to dial unix:///var/lib/networkservicemesh/nsm.io.sock: context deadline exceeded
Apr 21 11:31:46.821 [ERRO] [type:registry] (5.3)       failed to dial unix:///var/lib/networkservicemesh/nsm.io.sock: context deadline exceeded
Apr 21 11:31:46.821 [ERRO] [type:registry] (4.2)      failed to dial unix:///var/lib/networkservicemesh/nsm.io.sock: context deadline exceeded
Apr 21 11:31:46.821 [ERRO] [type:registry] (3.2)     failed to dial unix:///var/lib/networkservicemesh/nsm.io.sock: context deadline exceeded
Apr 21 11:31:46.821 [ERRO] [retryNSEClient:Register] [type:registry] (2.89)    try attempt has failed: failed to dial unix:///var/lib/networkservicemesh/nsm.io.sock: context deadline exceeded

[Richárd Kővári](https://app.slack.com/team/U02U0J7LGU8)  [6 days ago](https://cloud-native.slack.com/archives/CHQNNUPN1/p1650540992192639?thread_ts=1648557444.028369&cid=CHQNNUPN1)
Apr 21 11:32:27.401 [ERRO] [type:registry] (7.1)         rpc error: code = Canceled desc = context canceled;    Error returned from api/pkg/api/registry/networkServiceEndpointRegistryFindClient.Recv; github.com/networkservicemesh/sdk/pkg/registry/core/trace.logError;              /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/core/trace/common.go:38;   github.com/networkservicemesh/sdk/pkg/registry/core/trace.(*traceNetworkServiceEndpointRegistryFindClient).Recv;         /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/core/trace/nse_registry.go:56;      github.com/networkservicemesh/sdk/pkg/registry/core/trace.(*traceNetworkServiceEndpointRegistryFindClient).Recv;                /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/core/trace/nse_registry.go:47;      github.com/networkservicemesh/sdk/pkg/registry/common/dial.(*dialNSEFindClient).Recv;           /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/common/dial/nse_client.go:118;      github.com/networkservicemesh/sdk/pkg/registry/core/trace.(*traceNetworkServiceEndpointRegistryFindClient).Recv;         /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/core/trace/nse_registry.go:47;     github.com/networkservicemesh/sdk/pkg/registry/core/trace.(*traceNetworkServiceEndpointRegistryFindClient).Recv;         /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/core/trace/nse_registry.go:47;      github.com/networkservicemesh/sdk/pkg/registry/core/trace.(*traceNetworkServiceEndpointRegistryFindClient).Recv;                /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/core/trace/nse_registry.go:47;      github.com/networkservicemesh/sdk/pkg/registry/core/trace.(*traceNetworkServiceEndpointRegistryFindClient).Recv;                /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/core/trace/nse_registry.go:47;      github.com/networkservicemesh/sdk/pkg/registry/common/heal.(*healNSEClient).Register.func1;              /root/go/pkg/mod/github.com/networkservicemesh/sdk@v0.5.1-0.20220415125440-009c3f3a16bd/pkg/registry/common/heal/nse_client.go:68;      runtime.goexit;         /go/src/runtime/asm_amd64.s:1371;
Apr 21 11:32:27.401 [ERRO] [type:registry] (7.1)         Error returned from api/pkg/api/registry/networkServiceEndpointRegistryFindClient.Recv: rpc error: code = Canceled desc = context canceled
Apr 21 11:32:27.401 [ERRO] [type:registry] (7.1)         Error returned from api/pkg/api/registry/networkServiceEndpointRegistryFindClient.Recv: rpc error: code = Canceled desc = context canceled
Apr 21 11:32:27.401 [ERRO] [type:registry] (7.1)         Error returned from api/pkg/api/registry/networkServiceEndpointRegistryFindClient.Recv: rpc error: code = Canceled desc = context canceled
Apr 21 11:32:27.401 [ERRO] [type:registry] (7.1)         Error returned from api/pkg/api/registry/networkServiceEndpointRegistryFindClient.Recv: rpc error: code = Canceled desc = context canceled
Apr 21 11:32:27.401 [ERRO] [type:registry] (7.1)         Error returned from api/pkg/api/registry/networkServiceEndpointRegistryFindClient.Recv: rpc error: code = Canceled desc = context cancele

This PR temporary fixes the problem with logging from the community for all NSM applications.

Issue link

We're planning to rework and simplify logging within #1272

How Has This Been Tested?

• Added unit testing to cover
• Tested manually
• Tested by integration testing
• Have not tested

Types of changes

• Bug fix
• New functionallity
• Documentation
• Refactoring
• CI