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Convert errors tracer into a separate package (#5221)

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This commit is contained in:
Harshavardhana
2017-11-25 11:58:29 -08:00
committed by GitHub
parent 6e6aeb6a9e
commit 8efa82126b
82 changed files with 1117 additions and 896 deletions
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cmd/lock-instrument.go
+13 -11
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@@ -19,6 +19,8 @@ package cmd
import (
"fmt"
"time"
"github.com/minio/minio/pkg/errors"
)
type statusType string
@@ -116,23 +118,23 @@ func (n *nsLockMap) statusBlockedToRunning(param nsParam, lockSource, opsID stri
// Check whether the lock info entry for <volume, path> pair already exists.
_, ok := n.debugLockMap[param]
if !ok {
return traceError(LockInfoVolPathMissing{param.volume, param.path})
return errors.Trace(LockInfoVolPathMissing{param.volume, param.path})
}
// Check whether lock info entry for the given `opsID` exists.
lockInfo, ok := n.debugLockMap[param].lockInfo[opsID]
if !ok {
return traceError(LockInfoOpsIDNotFound{param.volume, param.path, opsID})
return errors.Trace(LockInfoOpsIDNotFound{param.volume, param.path, opsID})
}
// Check whether lockSource is same.
if lockInfo.lockSource != lockSource {
return traceError(LockInfoOriginMismatch{param.volume, param.path, opsID, lockSource})
return errors.Trace(LockInfoOriginMismatch{param.volume, param.path, opsID, lockSource})
}
// Status of the lock should be set to "Blocked".
if lockInfo.status != blockedStatus {
return traceError(LockInfoStateNotBlocked{param.volume, param.path, opsID})
return errors.Trace(LockInfoStateNotBlocked{param.volume, param.path, opsID})
}
// Change lock status to running and update the time.
n.debugLockMap[param].lockInfo[opsID] = newDebugLockInfo(lockSource, runningStatus, readLock)
@@ -181,23 +183,23 @@ func (n *nsLockMap) statusNoneToBlocked(param nsParam, lockSource, opsID string,
func (n *nsLockMap) statusBlockedToNone(param nsParam, lockSource, opsID string, readLock bool) error {
_, ok := n.debugLockMap[param]
if !ok {
return traceError(LockInfoVolPathMissing{param.volume, param.path})
return errors.Trace(LockInfoVolPathMissing{param.volume, param.path})
}
// Check whether lock info entry for the given `opsID` exists.
lockInfo, ok := n.debugLockMap[param].lockInfo[opsID]
if !ok {
return traceError(LockInfoOpsIDNotFound{param.volume, param.path, opsID})
return errors.Trace(LockInfoOpsIDNotFound{param.volume, param.path, opsID})
}
// Check whether lockSource is same.
if lockInfo.lockSource != lockSource {
return traceError(LockInfoOriginMismatch{param.volume, param.path, opsID, lockSource})
return errors.Trace(LockInfoOriginMismatch{param.volume, param.path, opsID, lockSource})
}
// Status of the lock should be set to "Blocked".
if lockInfo.status != blockedStatus {
return traceError(LockInfoStateNotBlocked{param.volume, param.path, opsID})
return errors.Trace(LockInfoStateNotBlocked{param.volume, param.path, opsID})
}
// Clear the status by removing the entry for the given `opsID`.
delete(n.debugLockMap[param].lockInfo, opsID)
@@ -214,7 +216,7 @@ func (n *nsLockMap) statusBlockedToNone(param nsParam, lockSource, opsID string,
func (n *nsLockMap) deleteLockInfoEntryForVolumePath(param nsParam) error {
// delete the lock info for the given operation.
if _, found := n.debugLockMap[param]; !found {
return traceError(LockInfoVolPathMissing{param.volume, param.path})
return errors.Trace(LockInfoVolPathMissing{param.volume, param.path})
}
// The following stats update is relevant only in case of a
@@ -238,14 +240,14 @@ func (n *nsLockMap) deleteLockInfoEntryForOps(param nsParam, opsID string) error
// delete the lock info for the given operation.
infoMap, found := n.debugLockMap[param]
if !found {
return traceError(LockInfoVolPathMissing{param.volume, param.path})
return errors.Trace(LockInfoVolPathMissing{param.volume, param.path})
}
// The operation finished holding the lock on the resource, remove
// the entry for the given operation with the operation ID.
opsIDLock, foundInfo := infoMap.lockInfo[opsID]
if !foundInfo {
// Unlock request with invalid operation ID not accepted.
return traceError(LockInfoOpsIDNotFound{param.volume, param.path, opsID})
return errors.Trace(LockInfoOpsIDNotFound{param.volume, param.path, opsID})
}
// Update global and (volume, path) lock status.
granted := opsIDLock.status == runningStatus