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fix(nfs): move fsid=N inside client parentheses in /etc/exports

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exportfs parses 'path host(flags) fsid=N' as a separate fsid= token
without host or options, causing 'No options for path fsid=N' errors.
The correct format puts fsid=N inside the host parentheses:
  /path host(flags,fsid=N)

Changes:
- clientFlags(c, fsid) now appends fsid=N at the end
- buildExportFlags(e, fsid) same
- buildExportLine removed buildExportSuffix call; fsid is now per-client
- Removed now-unused buildExportSuffix function

Version: 0.5.3
This commit is contained in:
Daniel Arroyo
2026-07-06 12:20:35 -04:00
parent d380cad36d
commit 3e290164c5
3 changed files with 17 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internal/modules/nfs/nfs.go
+10 -12
View File
@@ -82,8 +82,8 @@ func (m *Module) Apply(ctx context.Context, database *db.DB) error {
return database.ClearDirty(ModuleName)
}
func buildExportFlags(e db.NFSExport) string {
parts := make([]string, 0, 8)
func buildExportFlags(e db.NFSExport, fsid int64) string {
parts := make([]string, 0, 9)
if e.ReadOnly {
parts = append(parts, "ro")
} else {
@@ -132,15 +132,12 @@ func buildExportFlags(e db.NFSExport) string {
}
}
}
parts = append(parts, fmt.Sprintf("fsid=%d", fsid))
return strings.Join(parts, ",")
}
func buildExportSuffix(e db.NFSExport) string {
return fmt.Sprintf("fsid=%d", e.FSID)
}
func clientFlags(c db.NFSClient) string {
parts := make([]string, 0, 8)
func clientFlags(c db.NFSClient, fsid int64) string {
parts := make([]string, 0, 9)
if c.ReadOnly {
parts = append(parts, "ro")
} else {
@@ -184,12 +181,13 @@ func clientFlags(c db.NFSClient) string {
if c.Advanced.Crossmnt {
parts = append(parts, "crossmnt")
}
parts = append(parts, fmt.Sprintf("fsid=%d", fsid))
return strings.Join(parts, ",")
}
func buildExportLine(e db.NFSExport) string {
if len(e.Clients) == 0 {
return fmt.Sprintf("%s *(%s) %s", e.Path, buildExportFlags(e), buildExportSuffix(e))
return fmt.Sprintf("%s *(%s)", e.Path, buildExportFlags(e, e.FSID))
}
specs := make([]string, 0, len(e.Clients))
for _, c := range e.Clients {
@@ -197,12 +195,12 @@ func buildExportLine(e db.NFSExport) string {
if c.Host == "" {
continue
}
specs = append(specs, fmt.Sprintf("%s(%s)", c.Host, clientFlags(c)))
specs = append(specs, fmt.Sprintf("%s(%s)", c.Host, clientFlags(c, e.FSID)))
}
if len(specs) == 0 {
return fmt.Sprintf("%s *(%s) %s", e.Path, buildExportFlags(e), buildExportSuffix(e))
return fmt.Sprintf("%s *(%s)", e.Path, buildExportFlags(e, e.FSID))
}
return fmt.Sprintf("%s %s %s", e.Path, strings.Join(specs, " "), buildExportSuffix(e))
return fmt.Sprintf("%s %s", e.Path, strings.Join(specs, " "))
}
func (m *Module) renderConfig(exports []db.NFSExport) ([]byte, error) {
internal/modules/nfs/nfs_test.go
+6 -6
View File
@@ -24,7 +24,7 @@ func TestBuildExportLine(t *testing.T) {
FSID: 1,
Advanced: "{}",
},
lines: []string{`/srv/nfs/shared 192.168.1.100(rw,sync,root_squash,no_subtree_check,no_all_squash,insecure,no_wdelay,nohide) fsid=1`},
lines: []string{`/srv/nfs/shared 192.168.1.100(rw,sync,root_squash,no_subtree_check,no_all_squash,insecure,no_wdelay,nohide,fsid=1)`},
},
{
name: "multiple hosts different options",
@@ -42,7 +42,7 @@ func TestBuildExportLine(t *testing.T) {
Advanced: "{}",
},
lines: []string{
`/srv/nfs/shared 192.168.1.0/24(rw,sync,root_squash,no_subtree_check,no_all_squash,insecure,no_wdelay,nohide,crossmnt) 10.0.0.5(ro,async,no_root_squash,no_subtree_check,no_all_squash,insecure,no_wdelay,nohide) fsid=2`,
`/srv/nfs/shared 192.168.1.0/24(rw,sync,root_squash,no_subtree_check,no_all_squash,insecure,no_wdelay,nohide,crossmnt,fsid=2) 10.0.0.5(ro,async,no_root_squash,no_subtree_check,no_all_squash,insecure,no_wdelay,nohide,fsid=2)`,
},
},
{
@@ -57,7 +57,7 @@ func TestBuildExportLine(t *testing.T) {
FSID: 3,
Advanced: "{}",
},
lines: []string{`/srv/nfs/public *(ro,sync,root_squash,no_subtree_check) fsid=3`},
lines: []string{`/srv/nfs/public *(ro,sync,root_squash,no_subtree_check,fsid=3)`},
},
{
name: "advanced options per host",
@@ -74,7 +74,7 @@ func TestBuildExportLine(t *testing.T) {
Advanced: "{}",
},
lines: []string{
`/srv/nfs/secure 192.168.1.0/24(rw,sync,root_squash,no_subtree_check,all_squash,secure,wdelay,hide,crossmnt) fsid=4`,
`/srv/nfs/secure 192.168.1.0/24(rw,sync,root_squash,no_subtree_check,all_squash,secure,wdelay,hide,crossmnt,fsid=4)`,
},
},
}
@@ -101,8 +101,8 @@ func TestClientFlags(t *testing.T) {
SubtreeCheck: true,
Advanced: db.NFSAdvanced{AllSquash: true, Secure: true},
}
flags := clientFlags(c)
if flags != "ro,async,no_root_squash,subtree_check,all_squash,secure,no_wdelay,nohide" {
flags := clientFlags(c, 42)
if flags != "ro,async,no_root_squash,subtree_check,all_squash,secure,no_wdelay,nohide,fsid=42" {
t.Errorf("clientFlags() = %q, unexpected flags", flags)
}
}