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avoid locks when unnecessary in SiteReplicationMetaInfo() (#16650)

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This commit is contained in:
Harshavardhana
2023-02-18 05:35:22 -08:00
committed by GitHub
parent 7f2c90a0ed
commit b94733ab31
2 changed files with 0 additions and 46 deletions
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32
cmd/site-replication.go
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@@ -194,7 +194,6 @@ type SiteReplicationSys struct {
state srState
iamMetaCache srIAMCache
iamInfoLk sync.RWMutex
}
type srState srStateV1
@@ -1696,9 +1695,7 @@ func (c *SiteReplicationSys) syncToAllPeers(ctx context.Context) error {
// may not have any local users.
{
userAccounts := make(map[string]UserIdentity)
globalIAMSys.store.rlock()
err := globalIAMSys.store.loadUsers(ctx, regUser, userAccounts)
globalIAMSys.store.runlock()
if err != nil {
return errSRBackendIssue(err)
}
@@ -1725,10 +1722,7 @@ func (c *SiteReplicationSys) syncToAllPeers(ctx context.Context) error {
// DNs here
{
groups := make(map[string]GroupInfo)
globalIAMSys.store.rlock()
err := globalIAMSys.store.loadGroups(ctx, groups)
globalIAMSys.store.runlock()
if err != nil {
return errSRBackendIssue(err)
}
@@ -1755,9 +1749,7 @@ func (c *SiteReplicationSys) syncToAllPeers(ctx context.Context) error {
{
// Replicate policy mappings on local to all peers.
groupPolicyMap := make(map[string]MappedPolicy)
globalIAMSys.store.rlock()
errG := globalIAMSys.store.loadMappedPolicies(ctx, unknownIAMUserType, true, groupPolicyMap)
globalIAMSys.store.runlock()
if errG != nil {
return errSRBackendIssue(errG)
}
@@ -1783,9 +1775,7 @@ func (c *SiteReplicationSys) syncToAllPeers(ctx context.Context) error {
// valid claims.
{
serviceAccounts := make(map[string]UserIdentity)
globalIAMSys.store.rlock()
err := globalIAMSys.store.loadUsers(ctx, svcUser, serviceAccounts)
globalIAMSys.store.runlock()
if err != nil {
return errSRBackendIssue(err)
}
@@ -1841,9 +1831,7 @@ func (c *SiteReplicationSys) syncToAllPeers(ctx context.Context) error {
{
// Replicate policy mappings on local to all peers.
userPolicyMap := make(map[string]MappedPolicy)
globalIAMSys.store.rlock()
errU := globalIAMSys.store.loadMappedPolicies(ctx, regUser, false, userPolicyMap)
globalIAMSys.store.runlock()
if errU != nil {
return errSRBackendIssue(errU)
}
@@ -1869,9 +1857,7 @@ func (c *SiteReplicationSys) syncToAllPeers(ctx context.Context) error {
{
// Replicate policy mappings on local to all peers.
stsPolicyMap := make(map[string]MappedPolicy)
globalIAMSys.store.rlock()
errU := globalIAMSys.store.loadMappedPolicies(ctx, stsUser, false, stsPolicyMap)
globalIAMSys.store.runlock()
if errU != nil {
return errSRBackendIssue(errU)
}
@@ -3252,8 +3238,6 @@ func (c *SiteReplicationSys) SiteReplicationMetaInfo(ctx context.Context, objAPI
if opts.Users && opts.Groups && opts.Policies && !opts.Buckets {
// serialize SiteReplicationMetaInfo calls - if data in cache is within
// healing interval, avoid fetching IAM data again from disk.
c.iamInfoLk.Lock()
defer c.iamInfoLk.Unlock()
if metaInfo, ok := c.getSRCachedIAMInfo(); ok {
return metaInfo, nil
}
@@ -3289,21 +3273,15 @@ func (c *SiteReplicationSys) SiteReplicationMetaInfo(ctx context.Context, objAPI
userPolicyMap[opts.EntityValue] = mp
}
} else {
globalIAMSys.store.rlock()
stsErr := globalIAMSys.store.loadMappedPolicies(ctx, stsUser, false, userPolicyMap)
globalIAMSys.store.runlock()
if stsErr != nil {
return info, errSRBackendIssue(stsErr)
}
globalIAMSys.store.rlock()
usrErr := globalIAMSys.store.loadMappedPolicies(ctx, regUser, false, userPolicyMap)
globalIAMSys.store.runlock()
if usrErr != nil {
return info, errSRBackendIssue(usrErr)
}
globalIAMSys.store.rlock()
svcErr := globalIAMSys.store.loadMappedPolicies(ctx, svcUser, false, userPolicyMap)
globalIAMSys.store.runlock()
if svcErr != nil {
return info, errSRBackendIssue(svcErr)
}
@@ -3324,23 +3302,17 @@ func (c *SiteReplicationSys) SiteReplicationMetaInfo(ctx context.Context, objAPI
}
} else {
userAccounts := make(map[string]UserIdentity)
globalIAMSys.store.rlock()
uerr := globalIAMSys.store.loadUsers(ctx, regUser, userAccounts)
globalIAMSys.store.runlock()
if uerr != nil {
return info, errSRBackendIssue(uerr)
}
globalIAMSys.store.rlock()
serr := globalIAMSys.store.loadUsers(ctx, svcUser, userAccounts)
globalIAMSys.store.runlock()
if serr != nil {
return info, errSRBackendIssue(serr)
}
globalIAMSys.store.rlock()
terr := globalIAMSys.store.loadUsers(ctx, stsUser, userAccounts)
globalIAMSys.store.runlock()
if terr != nil {
return info, errSRBackendIssue(terr)
}
@@ -3372,15 +3344,11 @@ func (c *SiteReplicationSys) SiteReplicationMetaInfo(ctx context.Context, objAPI
groupPolicyMap[opts.EntityValue] = mp
}
} else {
globalIAMSys.store.rlock()
stsErr := globalIAMSys.store.loadMappedPolicies(ctx, stsUser, true, groupPolicyMap)
globalIAMSys.store.runlock()
if stsErr != nil {
return info, errSRBackendIssue(stsErr)
}
globalIAMSys.store.rlock()
userErr := globalIAMSys.store.loadMappedPolicies(ctx, regUser, true, groupPolicyMap)
globalIAMSys.store.runlock()
if userErr != nil {
return info, errSRBackendIssue(userErr)
}