func newListNodesFilters(filter filters.Args) (*swarmapi.ListNodesRequest_Filters, error) {
accepted := map[string]bool{
"name": true,
"id": true,
"label": true,
"role": true,
"membership": true,
}
if err := filter.Validate(accepted); err != nil {
return nil, err
}
f := &swarmapi.ListNodesRequest_Filters{
Names: filter.Get("name"),
IDPrefixes: filter.Get("id"),
Labels: runconfigopts.ConvertKVStringsToMap(filter.Get("label")),
}
for _, r := range filter.Get("role") {
if role, ok := swarmapi.NodeRole_value[strings.ToUpper(r)]; ok {
f.Roles = append(f.Roles, swarmapi.NodeRole(role))
} else if r != "" {
return nil, fmt.Errorf("Invalid role filter: '%s'", r)
}
}
for _, a := range filter.Get("membership") {
if membership, ok := swarmapi.NodeSpec_Membership_value[strings.ToUpper(a)]; ok {
f.Memberships = append(f.Memberships, swarmapi.NodeSpec_Membership(membership))
} else if a != "" {
return nil, fmt.Errorf("Invalid membership filter: '%s'", a)
}
}
return f, nil
}
// NodeSpecToGRPC converts a NodeSpec to a grpc NodeSpec.
func NodeSpecToGRPC(s types.NodeSpec) (swarmapi.NodeSpec, error) {
spec := swarmapi.NodeSpec{
Annotations: swarmapi.Annotations{
Name: s.Name,
Labels: s.Labels,
},
}
if role, ok := swarmapi.NodeRole_value[strings.ToUpper(string(s.Role))]; ok {
spec.Role = swarmapi.NodeRole(role)
} else {
return swarmapi.NodeSpec{}, fmt.Errorf("invalid Role: %q", s.Role)
}
if membership, ok := swarmapi.NodeSpec_Membership_value[strings.ToUpper(string(s.Membership))]; ok {
spec.Membership = swarmapi.NodeSpec_Membership(membership)
} else {
return swarmapi.NodeSpec{}, fmt.Errorf("invalid Membership: %q", s.Membership)
}
if availability, ok := swarmapi.NodeSpec_Availability_value[strings.ToUpper(string(s.Availability))]; ok {
spec.Availability = swarmapi.NodeSpec_Availability(availability)
} else {
return swarmapi.NodeSpec{}, fmt.Errorf("invalid Availability: %q", s.Availability)
}
return spec, nil
}