-
Notifications
You must be signed in to change notification settings - Fork 13
/
parameter_definition_parser.go
111 lines (87 loc) · 3.11 KB
/
parameter_definition_parser.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
package components
import (
"fmt"
"strings"
"github.com/gardener/landscaper/apis/core/v1alpha1"
)
type ParameterDefinitionParser struct{}
func (p *ParameterDefinitionParser) ParseImportDefinitions(importParams *[]string) (importDefinitions map[string]*v1alpha1.ImportDefinition, err error) {
importDefinitions = map[string]*v1alpha1.ImportDefinition{}
if importParams == nil {
return importDefinitions, nil
}
for _, importParam := range *importParams {
importDefinition, err := p.ParseImportDefinition(importParam)
if err != nil {
return nil, err
}
_, exists := importDefinitions[importDefinition.Name]
if exists {
return nil, fmt.Errorf("import parameter %s occurs more than once", importDefinition.Name)
}
importDefinitions[importDefinition.Name] = importDefinition
}
return importDefinitions, nil
}
// ParseImportDefinition creates a new ImportDefinition from a given parameter definition string.
// The parameter definition string must have the format "name:type", for example "replicas:integer".
// The supported types are: string, boolean, integer
func (p *ParameterDefinitionParser) ParseImportDefinition(paramDef string) (*v1alpha1.ImportDefinition, error) {
fieldValueDef, err := p.ParseFieldValueDefinition(paramDef)
if err != nil {
return nil, err
}
required := true
return &v1alpha1.ImportDefinition{
FieldValueDefinition: *fieldValueDef,
Required: &required,
}, nil
}
func (p *ParameterDefinitionParser) ParseExportDefinitions(exportParams *[]string) (exportDefinitions map[string]*v1alpha1.ExportDefinition, err error) {
exportDefinitions = map[string]*v1alpha1.ExportDefinition{}
if exportParams == nil {
return exportDefinitions, nil
}
for _, exportParam := range *exportParams {
exportDefinition, err := p.ParseExportDefinition(exportParam)
if err != nil {
return nil, err
}
_, exists := exportDefinitions[exportDefinition.Name]
if exists {
return nil, fmt.Errorf("export parameter %s occurs more than once", exportDefinition.Name)
}
exportDefinitions[exportDefinition.Name] = exportDefinition
}
return exportDefinitions, nil
}
func (p *ParameterDefinitionParser) ParseExportDefinition(paramDef string) (*v1alpha1.ExportDefinition, error) {
fieldValueDef, err := p.ParseFieldValueDefinition(paramDef)
if err != nil {
return nil, err
}
return &v1alpha1.ExportDefinition{
FieldValueDefinition: *fieldValueDef,
}, nil
}
func (p *ParameterDefinitionParser) ParseFieldValueDefinition(paramDef string) (*v1alpha1.FieldValueDefinition, error) {
a := strings.Index(paramDef, ":")
if a == -1 {
return nil, fmt.Errorf(
"parameter definition %s has the wrong format; the expected format is name:type",
paramDef)
}
name := paramDef[:a]
typ := paramDef[a+1:]
if !(typ == "string" || typ == "boolean" || typ == "integer") {
return nil, fmt.Errorf(
"parameter definition %s contains an unsupported type; the supported types are string, boolean, integer",
paramDef)
}
return &v1alpha1.FieldValueDefinition{
Name: name,
Schema: &v1alpha1.JSONSchemaDefinition{
RawMessage: []byte(fmt.Sprintf(`{ "type": "%s" }`, typ)),
},
}, nil
}