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Commit8ef92f7

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feat(coderd/database/dbpurge): add retention for workspace agent logs
Replace hardcoded 7-day retention for workspace agent logs with configurableretention from deployment settings. Falls back to global retention when notset, and skips deletion entirely when effective retention is 0.Depends on#21038Updates#20743
1 parent7e8a005 commit8ef92f7

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10 files changed

+2229
-2013
lines changed

10 files changed

+2229
-2013
lines changed

‎cli/testdata/coder_server_--help.golden‎

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Original file line numberDiff line numberDiff line change
@@ -725,6 +725,11 @@ that data type.
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disable (data is kept indefinitely unless individual settings are
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configured).
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728+
--workspace-agent-logs-retention duration, $CODER_WORKSPACE_AGENT_LOGS_RETENTION (default: 7d)
729+
How long workspace agent logs are retained. Logs from non-latest
730+
workspace builds are deleted after this period to free up storage
731+
space. Set to 0 to disable automatic deletion of workspace agent logs.
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728733
TELEMETRY OPTIONS:
729734
Telemetry is critical to our ability to improve Coder. We strip all personal
730735
information before sending data to our servers. Please only disable telemetry

‎cli/testdata/server-config.yaml.golden‎

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Original file line numberDiff line numberDiff line change
@@ -780,3 +780,8 @@ retention:
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# an expired key. Set to 0 to disable automatic deletion of expired keys.
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# (default: 7d, type: duration)
782782
api_keys: 168h0m0s
783+
# How long workspace agent logs are retained. Logs from non-latest workspace
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# builds are deleted after this period to free up storage space. Set to 0 to
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# disable automatic deletion of workspace agent logs.
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# (default: 7d, type: duration)
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workspace_agent_logs: 168h0m0s

‎coderd/database/dbpurge/dbpurge.go‎

Lines changed: 10 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -18,8 +18,7 @@ import (
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)
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2020
const (
21-
delay=10*time.Minute
22-
maxAgentLogAge=7*24*time.Hour
21+
delay=10*time.Minute
2322
// Connection events are now inserted into the `connection_logs` table.
2423
// We'll slowly remove old connection events from the `audit_logs` table,
2524
// but we won't touch the `connection_logs` table.
@@ -67,9 +66,15 @@ func New(ctx context.Context, logger slog.Logger, db database.Store, vals *coder
6766
returnnil
6867
}
6968

70-
deleteOldWorkspaceAgentLogsBefore:=start.Add(-maxAgentLogAge)
71-
iferr:=tx.DeleteOldWorkspaceAgentLogs(ctx,deleteOldWorkspaceAgentLogsBefore);err!=nil {
72-
returnxerrors.Errorf("failed to delete old workspace agent logs: %w",err)
69+
workspaceAgentLogsRetention:=vals.Retention.WorkspaceAgentLogs.Value()
70+
ifworkspaceAgentLogsRetention==0 {
71+
workspaceAgentLogsRetention=vals.Retention.Global.Value()
72+
}
73+
ifworkspaceAgentLogsRetention>0 {
74+
deleteOldWorkspaceAgentLogsBefore:=start.Add(-workspaceAgentLogsRetention)
75+
iferr:=tx.DeleteOldWorkspaceAgentLogs(ctx,deleteOldWorkspaceAgentLogsBefore);err!=nil {
76+
returnxerrors.Errorf("failed to delete old workspace agent logs: %w",err)
77+
}
7378
}
7479
iferr:=tx.DeleteOldWorkspaceAgentStats(ctx);err!=nil {
7580
returnxerrors.Errorf("failed to delete old workspace agent stats: %w",err)

‎coderd/database/dbpurge/dbpurge_test.go‎

Lines changed: 97 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -246,7 +246,11 @@ func TestDeleteOldWorkspaceAgentLogs(t *testing.T) {
246246
// After dbpurge completes, the ticker is reset. Trap this call.
247247

248248
done:=awaitDoTick(ctx,t,clk)
249-
closer:=dbpurge.New(ctx,logger,db,&codersdk.DeploymentValues{},clk)
249+
closer:=dbpurge.New(ctx,logger,db,&codersdk.DeploymentValues{
250+
Retention: codersdk.RetentionConfig{
251+
WorkspaceAgentLogs:serpent.Duration(7*24*time.Hour),
252+
},
253+
},clk)
250254
defercloser.Close()
251255
<-done// doTick() has now run.
252256

@@ -392,6 +396,98 @@ func mustCreateAgentLogs(ctx context.Context, t *testing.T, db database.Store, a
392396
require.NotEmpty(t,agentLogs,"agent logs must be present")
393397
}
394398

399+
funcTestDeleteOldWorkspaceAgentLogsRetention(t*testing.T) {
400+
t.Parallel()
401+
402+
now:=time.Date(2025,1,15,7,30,0,0,time.UTC)
403+
404+
testCases:= []struct {
405+
namestring
406+
retentionConfig codersdk.RetentionConfig
407+
logsAge time.Duration
408+
expectDeletedbool
409+
}{
410+
{
411+
name:"RetentionEnabled",
412+
retentionConfig: codersdk.RetentionConfig{
413+
WorkspaceAgentLogs:serpent.Duration(7*24*time.Hour),// 7 days
414+
},
415+
logsAge:8*24*time.Hour,// 8 days ago
416+
expectDeleted:true,
417+
},
418+
{
419+
name:"RetentionDisabled",
420+
retentionConfig: codersdk.RetentionConfig{
421+
WorkspaceAgentLogs:serpent.Duration(0),
422+
},
423+
logsAge:60*24*time.Hour,// 60 days ago
424+
expectDeleted:false,
425+
},
426+
{
427+
name:"GlobalRetentionFallback",
428+
retentionConfig: codersdk.RetentionConfig{
429+
Global:serpent.Duration(14*24*time.Hour),// 14 days global
430+
WorkspaceAgentLogs:serpent.Duration(0),// Not set, falls back to global
431+
},
432+
logsAge:15*24*time.Hour,// 15 days ago
433+
expectDeleted:true,
434+
},
435+
{
436+
name:"CustomRetention30Days",
437+
retentionConfig: codersdk.RetentionConfig{
438+
WorkspaceAgentLogs:serpent.Duration(30*24*time.Hour),// 30 days
439+
},
440+
logsAge:31*24*time.Hour,// 31 days ago
441+
expectDeleted:true,
442+
},
443+
}
444+
445+
for_,tc:=rangetestCases {
446+
t.Run(tc.name,func(t*testing.T) {
447+
t.Parallel()
448+
449+
ctx:=testutil.Context(t,testutil.WaitShort)
450+
clk:=quartz.NewMock(t)
451+
clk.Set(now).MustWait(ctx)
452+
453+
oldTime:=now.Add(-tc.logsAge)
454+
455+
db,_:=dbtestutil.NewDB(t,dbtestutil.WithDumpOnFailure())
456+
logger:=slogtest.Make(t,&slogtest.Options{IgnoreErrors:true})
457+
org:=dbgen.Organization(t,db, database.Organization{})
458+
user:=dbgen.User(t,db, database.User{})
459+
_=dbgen.OrganizationMember(t,db, database.OrganizationMember{UserID:user.ID,OrganizationID:org.ID})
460+
tv:=dbgen.TemplateVersion(t,db, database.TemplateVersion{OrganizationID:org.ID,CreatedBy:user.ID})
461+
tmpl:=dbgen.Template(t,db, database.Template{OrganizationID:org.ID,ActiveVersionID:tv.ID,CreatedBy:user.ID})
462+
463+
ws:=dbgen.Workspace(t,db, database.WorkspaceTable{Name:"test-ws",OwnerID:user.ID,OrganizationID:org.ID,TemplateID:tmpl.ID})
464+
wb1:=mustCreateWorkspaceBuild(t,db,org,tv,ws.ID,oldTime,1)
465+
wb2:=mustCreateWorkspaceBuild(t,db,org,tv,ws.ID,oldTime,2)
466+
agent1:=mustCreateAgent(t,db,wb1)
467+
agent2:=mustCreateAgent(t,db,wb2)
468+
mustCreateAgentLogs(ctx,t,db,agent1,&oldTime,"agent 1 logs")
469+
mustCreateAgentLogs(ctx,t,db,agent2,&oldTime,"agent 2 logs")
470+
471+
// Run the purge.
472+
done:=awaitDoTick(ctx,t,clk)
473+
closer:=dbpurge.New(ctx,logger,db,&codersdk.DeploymentValues{
474+
Retention:tc.retentionConfig,
475+
},clk)
476+
defercloser.Close()
477+
testutil.TryReceive(ctx,t,done)
478+
479+
// Verify results.
480+
iftc.expectDeleted {
481+
assertNoWorkspaceAgentLogs(ctx,t,db,agent1.ID)
482+
}else {
483+
assertWorkspaceAgentLogs(ctx,t,db,agent1.ID,"agent 1 logs")
484+
}
485+
// Latest build logs are always retained.
486+
assertWorkspaceAgentLogs(ctx,t,db,agent2.ID,"agent 2 logs")
487+
})
488+
}
489+
}
490+
395491
//nolint:paralleltest // It uses LockIDDBPurge.
396492
funcTestDeleteOldProvisionerDaemons(t*testing.T) {
397493
// TODO: must refactor DeleteOldProvisionerDaemons to allow passing in cutoff

‎codersdk/deployment.go‎

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Original file line numberDiff line numberDiff line change
@@ -834,6 +834,9 @@ type RetentionConfig struct {
834834
// Keys are only deleted if they have been expired for at least this duration.
835835
// Defaults to 7 days to preserve existing behavior.
836836
APIKeys serpent.Duration`json:"api_keys" typescript:",notnull"`
837+
// WorkspaceAgentLogs controls how long workspace agent logs are retained.
838+
// Defaults to 7 days to preserve existing behavior.
839+
WorkspaceAgentLogs serpent.Duration`json:"workspace_agent_logs" typescript:",notnull"`
837840
}
838841

839842
typeNotificationsConfigstruct {
@@ -3436,6 +3439,17 @@ Write out the current server config as YAML to stdout.`,
34363439
YAML:"api_keys",
34373440
Annotations: serpent.Annotations{}.Mark(annotationFormatDuration,"true"),
34383441
},
3442+
{
3443+
Name:"Workspace Agent Logs Retention",
3444+
Description:"How long workspace agent logs are retained. Logs from non-latest workspace builds are deleted after this period to free up storage space. Set to 0 to disable automatic deletion of workspace agent logs.",
3445+
Flag:"workspace-agent-logs-retention",
3446+
Env:"CODER_WORKSPACE_AGENT_LOGS_RETENTION",
3447+
Value:&c.Retention.WorkspaceAgentLogs,
3448+
Default:"7d",
3449+
Group:&deploymentGroupRetention,
3450+
YAML:"workspace_agent_logs",
3451+
Annotations: serpent.Annotations{}.Mark(annotationFormatDuration,"true"),
3452+
},
34393453
{
34403454
Name:"Enable Authorization Recordings",
34413455
Description:"All api requests will have a header including all authorization calls made during the request. "+

‎docs/admin/setup/data-retention.md‎

Lines changed: 22 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,8 @@
11
#Data Retention
22

33
Coder supports configurable retention policies that automatically purge old
4-
Audit Logs, Connection Logs, and API keys. These policies help manage database
5-
growth by removing records older than a specified duration.
4+
Audit Logs, Connection Logs,Workspace Agent Logs,and API keys. These policies
5+
help manage databasegrowth by removing records older than a specified duration.
66

77
##Overview
88

@@ -25,12 +25,13 @@ a YAML configuration file.
2525

2626
###Settings
2727

28-
| Setting| CLI Flag| Environment Variable| Default| Description|
29-
|-----------------|-------------------------------|-----------------------------------|------------------|--------------------------------------------------------------------------|
30-
| Global|`--global-retention`|`CODER_GLOBAL_RETENTION`|`0` (disabled)| Default retention for all data types. Individual settings override this.|
31-
| Audit Logs|`--audit-logs-retention`|`CODER_AUDIT_LOGS_RETENTION`|`0` (use global)| How long to retain Audit Log entries.|
32-
| Connection Logs|`--connection-logs-retention`|`CODER_CONNECTION_LOGS_RETENTION`|`0` (use global)| How long to retain Connection Log entries.|
33-
| API Keys|`--api-keys-retention`|`CODER_API_KEYS_RETENTION`|`7d`| How long to retain expired API keys.|
28+
| Setting| CLI Flag| Environment Variable| Default| Description|
29+
|----------------------|------------------------------------|----------------------------------------|------------------|--------------------------------------------------------------------------|
30+
| Global|`--global-retention`|`CODER_GLOBAL_RETENTION`|`0` (disabled)| Default retention for all data types. Individual settings override this.|
31+
| Audit Logs|`--audit-logs-retention`|`CODER_AUDIT_LOGS_RETENTION`|`0` (use global)| How long to retain Audit Log entries.|
32+
| Connection Logs|`--connection-logs-retention`|`CODER_CONNECTION_LOGS_RETENTION`|`0` (use global)| How long to retain Connection Log entries.|
33+
| API Keys|`--api-keys-retention`|`CODER_API_KEYS_RETENTION`|`7d`| How long to retain expired API keys.|
34+
| Workspace Agent Logs|`--workspace-agent-logs-retention`|`CODER_WORKSPACE_AGENT_LOGS_RETENTION`|`7d`| How long to retain workspace agent logs.|
3435

3536
###Duration Format
3637

@@ -68,6 +69,7 @@ retention:
6869
audit_logs:365d
6970
connection_logs:0s
7071
api_keys:7d
72+
workspace_agent_logs:7d
7173
```
7274
7375
## How Retention Works
@@ -103,6 +105,16 @@ ago. Active keys are never deleted by the retention policy.
103105
Keeping expired keys for a short period allows Coder to return a more helpful
104106
error message when users attempt to use an expired key.
105107

108+
### Workspace Agent Logs Behavior
109+
110+
Workspace agent logs are retained based on the retention period, but **logs from
111+
the latest build of each workspace are always retained** regardless of age. This
112+
ensures you can always debug issues with active workspaces.
113+
114+
Only logs from non-latest workspace builds that are older than the retention
115+
period are deleted. Setting `--workspace-agent-logs-retention=7d` keeps all logs
116+
from the latest build plus logs from previous builds for up to 7 days.
117+
106118
## Best Practices
107119

108120
### Recommended Starting Configuration
@@ -115,6 +127,7 @@ retention:
115127
audit_logs: 365d
116128
connection_logs: 0s # Use global
117129
api_keys: 7d
130+
workspace_agent_logs: 7d
118131
```
119132

120133
### Compliance Considerations
@@ -160,6 +173,7 @@ retention:
160173
audit_logs: 0s
161174
connection_logs: 0s
162175
api_keys: 0s
176+
workspace_agent_logs: 0s
163177
```
164178

165179
There is no way to disable retention for a specific data type while global

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