in meshcon/meshconnectord/meshenv-gcp.go [20:58]
func (sg *MeshConnector) InitMeshEnvGCP(ctx context.Context) error {
kr := sg.Mesh
var err error
wg := sync.WaitGroup{}
wg.Add(2)
go func() {
// If not explicitly disabled, attempt to find MCP tenant ID and enable MCP
if kr.MeshTenant != "-" {
sg.FindTenant(ctx)
}
wg.Done()
}()
go func() {
// If ProjectNumber used for P4SA not set, attempt to get it from ProjectID and fallback to metadata server
if kr.ProjectNumber == "" && kr.ProjectId != "" {
kr.ProjectNumber = gcp.ProjectNumber(kr.ProjectId)
}
if kr.ProjectNumber == "" {
// If project Id explicitly set, and not same as what metadata reports - fallback to getting it from GCP
kr.ProjectNumber, _ = metadata.NumericProjectID()
}
wg.Done()
}()
wg.Wait()
rootFile := filepath.Join(mesh.WorkloadCertDir, mesh.WorkloadRootCAs)
rootCertPEM, err := ioutil.ReadFile(rootFile)
if err == nil {
sg.CAPool = sg.Mesh.Config("CAS_POOL", "")
sg.CASRoots = string(rootCertPEM)
log.Println("CASEnabled", "CAPool", sg.CAPool)
}
return err
}