add bundle_identifier to software titles responses (#20298)

final bit for #19144, doc changes will be made separately

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

<!-- Note that API documentation changes are now addressed by the
product design team. -->

- [x] Added/updated tests
- [x] Manual QA for all new/changed functionality

server/datastore/mysql/software_titles.go

@@ -31,6 +31,7 @@ SELECT
 	st.name,
 	st.source,
 	st.browser,
+	st.bundle_identifier,
 	COALESCE(SUM(sthc.hosts_count), 0) as hosts_count,
 	MAX(sthc.updated_at)  as counts_updated_at
 FROM software_titles st
@@ -200,6 +201,7 @@ SELECT
 	st.name,
 	st.source,
 	st.browser,
+	st.bundle_identifier,
 	MAX(COALESCE(sthc.hosts_count, 0)) as hosts_count,
 	MAX(COALESCE(sthc.updated_at, date('0001-01-01 00:00:00'))) as counts_updated_at,
 	si.filename as software_package,

server/datastore/mysql/software_titles_test.go

@@ -517,11 +517,12 @@ func testTeamFilterSoftwareTitles(t *testing.T, ds *Datastore) {
 
 	// create a software installer for team1
 	installer1, err := ds.MatchOrCreateSoftwareInstaller(ctx, &fleet.UploadSoftwareInstallerPayload{
-		Title:         "installer1",
-		Source:        "apps",
-		InstallScript: "echo",
-		Filename:      "installer1.pkg",
-		TeamID:        &team1.ID,
+		Title:            "installer1",
+		Source:           "apps",
+		InstallScript:    "echo",
+		Filename:         "installer1.pkg",
+		BundleIdentifier: "foo.bar",
+		TeamID:           &team1.ID,
 	})
 	require.NoError(t, err)
 	require.NotZero(t, installer1)
@@ -570,7 +571,20 @@ func testTeamFilterSoftwareTitles(t *testing.T, ds *Datastore) {
 	require.NoError(t, err)
 	// ListSoftwareTitles does not populate version host counts, so we do that manually
 	titles[0].Versions[0].HostsCount = ptr.Uint(1)
-	assert.Equal(t, titles[0], fleet.SoftwareTitleListResult{ID: title.ID, Name: title.Name, Source: title.Source, Browser: title.Browser, HostsCount: title.HostsCount, VersionsCount: title.VersionsCount, Versions: title.Versions, CountsUpdatedAt: title.CountsUpdatedAt})
+	assert.Equal(
+		t,
+		titles[0],
+		fleet.SoftwareTitleListResult{
+			ID:              title.ID,
+			Name:            title.Name,
+			Source:          title.Source,
+			Browser:         title.Browser,
+			HostsCount:      title.HostsCount,
+			VersionsCount:   title.VersionsCount,
+			Versions:        title.Versions,
+			CountsUpdatedAt: title.CountsUpdatedAt,
+		},
+	)
 
 	// Testing with team filter -- this team does not contain this software title
 	_, err = ds.SoftwareTitleByID(context.Background(), titles[0].ID, &team1.ID, globalTeamFilter)
@@ -598,9 +612,18 @@ func testTeamFilterSoftwareTitles(t *testing.T, ds *Datastore) {
 	require.Equal(t, "chrome_extensions", titles[0].Source)
 	require.Equal(t, "installer1", titles[1].Name)
 	require.Equal(t, "apps", titles[1].Source)
+	require.NotNil(t, titles[1].BundleIdentifier)
+	require.Equal(t, "foo.bar", *titles[1].BundleIdentifier)
 	require.Equal(t, uint(1), titles[0].VersionsCount)
 	require.Equal(t, uint(0), titles[1].VersionsCount)
 
+	title, err = ds.SoftwareTitleByID(context.Background(), titles[1].ID, &team1.ID, team1TeamFilter)
+	require.NoError(t, err)
+	require.Equal(t, "installer1", title.Name)
+	require.Equal(t, "apps", title.Source)
+	require.NotNil(t, title.BundleIdentifier)
+	require.Equal(t, "foo.bar", *title.BundleIdentifier)
+
 	// Testing with team filter -- this team does contain this software title
 	title, err = ds.SoftwareTitleByID(context.Background(), titles[0].ID, &team1.ID, team1TeamFilter)
 	require.NoError(t, err)

server/fleet/software.go

@@ -169,7 +169,7 @@ type SoftwareTitle struct {
 	// BundleIdentifier is used by Apple installers to uniquely identify
 	// the software installed. It's surfaced in software_titles to match
 	// with existing software entries.
-	BundleIdentifier *string `json:"-" db:"bundle_identifier"`
+	BundleIdentifier *string `json:"bundle_identifier,omitempty" db:"bundle_identifier"`
 }
 
 // This type is essentially the same as the above SoftwareTitle type. The only difference is that
@@ -196,6 +196,10 @@ type SoftwareTitleListResult struct {
 	SoftwarePackage *string `json:"software_package" db:"software_package"`
 	// SelfService indicates if the end user can initiate the installation
 	SelfService bool `json:"self_service" db:"self_service"`
+	// BundleIdentifier is used by Apple installers to uniquely identify
+	// the software installed. It's surfaced in software_titles to match
+	// with existing software entries.
+	BundleIdentifier *string `json:"bundle_identifier,omitempty" db:"bundle_identifier"`
 }
 
 type SoftwareTitleListOptions struct {