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Take advantage of Is and IsFunc from zeebo/errs (#2310)

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This commit is contained in:
Kaloyan Raev 2019-06-26 10:38:07 +03:00 committed by Stefan Benten
parent caa2fcf62b
commit ae36979804
8 changed files with 39 additions and 65 deletions
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2
go.mod
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@ -103,7 +103,7 @@ require (
github.com/vivint/infectious v0.0.0-20190108171102-2455b059135b
github.com/yuin/gopher-lua v0.0.0-20180918061612-799fa34954fb // indirect
github.com/zeebo/admission v0.0.0-20180821192747-f24f2a94a40c
github.com/zeebo/errs v1.2.0
github.com/zeebo/errs v1.2.1-0.20190617123220-06a113fed680
github.com/zeebo/float16 v0.1.0 // indirect
github.com/zeebo/incenc v0.0.0-20180505221441-0d92902eec54 // indirect
github.com/zeebo/structs v1.0.1

2
go.sum
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@ -381,6 +381,8 @@ github.com/zeebo/errs v1.1.1 h1:Cs5Noqj/tj3Ql/hLkD9WdumKlssx/IN2zr7CRGNOKZA=
github.com/zeebo/errs v1.1.1/go.mod h1:Yj8dHrUQwls1bF3dr/vcSIu+qf4mI7idnTcHfoACc6I=
github.com/zeebo/errs v1.2.0 h1:Tk8UszIOLEjtx6DWnvfmMJe6N8q7vu03Bj95HMWDUkc=
github.com/zeebo/errs v1.2.0/go.mod h1:sgbWHsvVuTPHcqJJGQ1WhI5KbWlHYz+2+2C/LSEtCw4=
github.com/zeebo/errs v1.2.1-0.20190617123220-06a113fed680 h1:nLsPSuW22yF+MmUX0sFaTfnMKL83XuHtx8B1YvNtYys=
github.com/zeebo/errs v1.2.1-0.20190617123220-06a113fed680/go.mod h1:sgbWHsvVuTPHcqJJGQ1WhI5KbWlHYz+2+2C/LSEtCw4=
github.com/zeebo/float16 v0.1.0 h1:kRqxv5og6z1emEyz5FpW0/BVHe5VfxEAw6b1ljCZlUc=
github.com/zeebo/float16 v0.1.0/go.mod h1:fssGvvXu+XS8MH57cKmyrLB/cqioYeYX/2mXCN3a5wo=
github.com/zeebo/incenc v0.0.0-20180505221441-0d92902eec54 h1:+cwNE5KJ3pika4HuzmDHkDlK5myo0G9Sv+eO7WWxnUQ=

3
internal/dbutil/pgutil/db.go
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@ -13,7 +13,6 @@ import (
"storj.io/storj/internal/dbutil"
"storj.io/storj/internal/dbutil/dbschema"
"storj.io/storj/internal/errs2"
)
// DB is postgres database with schema
@ -126,7 +125,7 @@ func CheckApplicationName(s string) (r string) {
// IsConstraintError checks if given error is about constraint violation
func IsConstraintError(err error) bool {
return errs2.IsFunc(err, func(err error) bool {
return errs.IsFunc(err, func(err error) bool {
if e, ok := err.(*pq.Error); ok {
if e.Code.Class() == "23" {
return true

3
internal/dbutil/sqliteutil/db.go
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@ -11,7 +11,6 @@ import (
"github.com/zeebo/errs"
"storj.io/storj/internal/dbutil/dbschema"
"storj.io/storj/internal/errs2"
)
// LoadSchemaFromSQL inserts script into connstr and loads schema.
@ -81,7 +80,7 @@ func QueryData(db dbschema.Queryer, schema *dbschema.Schema) (*dbschema.Data, er
// IsConstraintError checks if given error is about constraint violation
func IsConstraintError(err error) bool {
return errs2.IsFunc(err, func(err error) bool {
return errs.IsFunc(err, func(err error) bool {
if e, ok := err.(sqlite3.Error); ok {
if e.Code == sqlite3.ErrConstraint {
return true

19
internal/errs2/ignore.go
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@ -13,7 +13,7 @@ import (
// IgnoreCanceled returns nil, when the operation was about canceling.
func IgnoreCanceled(err error) error {
if IsFunc(err, func(err error) bool {
if errs.IsFunc(err, func(err error) bool {
return err == context.Canceled ||
err == grpc.ErrServerStopped ||
err == http.ErrServerClosed
@ -23,20 +23,3 @@ func IgnoreCanceled(err error) error {
return err
}
// IsFunc checks whether any of the underlying errors matches the func
func IsFunc(err error, is func(err error) bool) bool {
if err == nil {
return is(err)
}
for {
if is(err) {
return true
}
unwrapped := errs.Unwrap(err)
if unwrapped == nil || unwrapped == err {
return false
}
err = unwrapped
}
}

17
internal/errs2/rpc.go Normal file
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@ -0,0 +1,17 @@
// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package errs2
import (
"github.com/zeebo/errs"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// IsRPC checks if err contains an RPC error with the given status code.
func IsRPC(err error, code codes.Code) bool {
return errs.IsFunc(err, func(err error) bool {
return status.Code(err) == code
})
}

34
pkg/audit/verifier.go
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@ -13,9 +13,9 @@ import (
"github.com/zeebo/errs"
"go.uber.org/zap"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
monkit "gopkg.in/spacemonkeygo/monkit.v2"
"storj.io/storj/internal/errs2"
"storj.io/storj/internal/memory"
"storj.io/storj/pkg/auth/signing"
"storj.io/storj/pkg/identity"
@ -120,17 +120,13 @@ func (verifier *Verifier) Verify(ctx context.Context, stripe *Stripe, skip map[s
continue
}
if transport.Error.Has(share.Error) {
if errs.IsFunc(share.Error, func(err error) bool {
return err == context.DeadlineExceeded
}) {
if errs.Is(share.Error, context.DeadlineExceeded) {
// dial timeout
offlineNodes = append(offlineNodes, share.NodeID)
verifier.log.Debug("Verify: dial timeout (offline)", zap.Stringer("Node ID", share.NodeID), zap.Error(share.Error))
continue
}
if errs.IsFunc(share.Error, func(err error) bool {
return status.Code(err) == codes.Unknown
}) {
if errs2.IsRPC(share.Error, codes.Unknown) {
// dial failed -- offline node
offlineNodes = append(offlineNodes, share.NodeID)
verifier.log.Debug("Verify: dial failed (offline)", zap.Stringer("Node ID", share.NodeID), zap.Error(share.Error))
@ -141,18 +137,14 @@ func (verifier *Verifier) Verify(ctx context.Context, stripe *Stripe, skip map[s
verifier.log.Debug("Verify: unknown transport error (contained)", zap.Stringer("Node ID", share.NodeID), zap.Error(share.Error))
}
if errs.IsFunc(share.Error, func(err error) bool {
return status.Code(err) == codes.NotFound
}) {
if errs2.IsRPC(share.Error, codes.NotFound) {
// missing share
failedNodes = append(failedNodes, share.NodeID)
verifier.log.Debug("Verify: piece not found (audit failed)", zap.Stringer("Node ID", share.NodeID), zap.Error(share.Error))
continue
}
if errs.IsFunc(share.Error, func(err error) bool {
return status.Code(err) == codes.DeadlineExceeded
}) {
if errs2.IsRPC(share.Error, codes.DeadlineExceeded) {
// dial successful, but download timed out
containedNodes[pieceNum] = share.NodeID
verifier.log.Debug("Verify: download timeout (contained)", zap.Stringer("Node ID", share.NodeID), zap.Error(share.Error))
@ -358,17 +350,13 @@ func (verifier *Verifier) Reverify(ctx context.Context, stripe *Stripe) (report
// analyze the error from GetShare
if err != nil {
if transport.Error.Has(err) {
if errs.IsFunc(err, func(err error) bool {
return err == context.DeadlineExceeded
}) {
if errs.Is(err, context.DeadlineExceeded) {
// dial timeout
ch <- result{nodeID: piece.NodeId, status: offline}
verifier.log.Debug("Reverify: dial timeout (offline)", zap.Stringer("Node ID", piece.NodeId), zap.Error(err))
return
}
if errs.IsFunc(err, func(err error) bool {
return status.Code(err) == codes.Unknown
}) {
if errs2.IsRPC(err, codes.Unknown) {
// dial failed -- offline node
verifier.log.Debug("Reverify: dial failed (offline)", zap.Stringer("Node ID", piece.NodeId), zap.Error(err))
ch <- result{nodeID: piece.NodeId, status: offline}
@ -380,18 +368,14 @@ func (verifier *Verifier) Reverify(ctx context.Context, stripe *Stripe) (report
return
}
if errs.IsFunc(err, func(err error) bool {
return status.Code(err) == codes.NotFound
}) {
if errs2.IsRPC(err, codes.NotFound) {
// missing share
ch <- result{nodeID: piece.NodeId, status: failed}
verifier.log.Debug("Reverify: piece not found (audit failed)", zap.Stringer("Node ID", piece.NodeId), zap.Error(err))
return
}
if errs.IsFunc(err, func(err error) bool {
return status.Code(err) == codes.DeadlineExceeded
}) {
if errs2.IsRPC(err, codes.DeadlineExceeded) {
// dial successful, but download timed out
ch <- result{nodeID: piece.NodeId, status: contained, pendingAudit: pending}
verifier.log.Debug("Reverify: download timeout (contained)", zap.Stringer("Node ID", piece.NodeId), zap.Error(err))

22
pkg/audit/verifier_test.go
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@ -14,8 +14,8 @@ import (
"github.com/zeebo/errs"
"go.uber.org/zap"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"storj.io/storj/internal/errs2"
"storj.io/storj/internal/memory"
"storj.io/storj/internal/testcontext"
"storj.io/storj/internal/testplanet"
@ -134,12 +134,8 @@ func TestDownloadSharesOfflineNode(t *testing.T) {
for _, share := range shares {
if share.NodeID == stoppedNodeID {
assert.True(t, transport.Error.Has(share.Error), "unexpected error: %+v", share.Error)
assert.False(t, errs.IsFunc(share.Error, func(err error) bool {
return err == context.DeadlineExceeded
}), "unexpected error: %+v", share.Error)
assert.True(t, errs.IsFunc(share.Error, func(err error) bool {
return status.Code(err) == codes.Unknown
}), "unexpected error: %+v", share.Error)
assert.False(t, errs.Is(share.Error, context.DeadlineExceeded), "unexpected error: %+v", share.Error)
assert.True(t, errs2.IsRPC(share.Error, codes.Unknown), "unexpected error: %+v", share.Error)
} else {
assert.NoError(t, share.Error)
}
@ -199,9 +195,7 @@ func TestDownloadSharesMissingPiece(t *testing.T) {
require.NoError(t, err)
for _, share := range shares {
assert.True(t, errs.IsFunc(share.Error, func(err error) bool {
return status.Code(err) == codes.NotFound
}), "unexpected error: %+v", share.Error)
assert.True(t, errs2.IsRPC(share.Error, codes.NotFound), "unexpected error: %+v", share.Error)
}
})
}
@ -278,9 +272,7 @@ func TestDownloadSharesDialTimeout(t *testing.T) {
for _, share := range shares {
assert.True(t, transport.Error.Has(share.Error), "unexpected error: %+v", share.Error)
assert.True(t, errs.IsFunc(share.Error, func(err error) bool {
return err == context.DeadlineExceeded
}), "unexpected error: %+v", share.Error)
assert.True(t, errs.Is(share.Error, context.DeadlineExceeded), "unexpected error: %+v", share.Error)
}
})
}
@ -358,9 +350,7 @@ func TestDownloadSharesDownloadTimeout(t *testing.T) {
require.NoError(t, err)
for _, share := range shares {
assert.True(t, errs.IsFunc(share.Error, func(err error) bool {
return status.Code(err) == codes.DeadlineExceeded
}), "unexpected error: %+v", share.Error)
assert.True(t, errs2.IsRPC(share.Error, codes.DeadlineExceeded), "unexpected error: %+v", share.Error)
assert.False(t, transport.Error.Has(share.Error), "unexpected error: %+v", share.Error)
}
})