tailcfg: add omitempty to all fields of Hostinfo (#4360)

This reduces the noise when marshaling only a subset of this type.

Signed-off-by: Joe Tsai <joetsai@digital-static.net>
This commit is contained in:
Joe Tsai 2022-04-05 13:25:14 -07:00 committed by GitHub
parent ac2033d98c
commit 01adcfa688
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2 changed files with 3 additions and 5 deletions

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@ -452,16 +452,14 @@ type Service struct {
// Because it contains pointers (slices), this type should not be used
// as a value type.
type Hostinfo struct {
// TODO(crawshaw): mark all these fields ",omitempty" when all the
// iOS apps are updated with the latest swift version of this struct.
IPNVersion string `json:",omitempty"` // version of this code
FrontendLogID string `json:",omitempty"` // logtail ID of frontend instance
BackendLogID string `json:",omitempty"` // logtail ID of backend instance
OS string // operating system the client runs on (a version.OS value)
OS string `json:",omitempty"` // operating system the client runs on (a version.OS value)
OSVersion string `json:",omitempty"` // operating system version, with optional distro prefix ("Debian 10.4", "Windows 10 Pro 10.0.19041")
Package string `json:",omitempty"` // Tailscale package to disambiguate ("choco", "appstore", etc; "" for unknown)
DeviceModel string `json:",omitempty"` // mobile phone model ("Pixel 3a", "iPhone12,3")
Hostname string // name of the host the client runs on
Hostname string `json:",omitempty"` // name of the host the client runs on
ShieldsUp bool `json:",omitempty"` // indicates whether the host is blocking incoming connections
ShareeNode bool `json:",omitempty"` // indicates this node exists in netmap because it's owned by a shared-to user
GoArch string `json:",omitempty"` // the host's GOARCH value (of the running binary)

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@ -217,7 +217,7 @@ func TestJSON(t *testing.T) {
var buf bytes.Buffer
var logf Logf = func(f string, a ...any) { fmt.Fprintf(&buf, f, a...) }
logf.JSON(1, "foo", &tailcfg.Hostinfo{})
want := "[v\x00JSON]1" + `{"foo":{"OS":"","Hostname":""}}`
want := "[v\x00JSON]1" + `{"foo":{}}`
if got := buf.String(); got != want {
t.Errorf("mismatch\n got: %q\nwant: %q\n", got, want)
}