forked from hashicorp/terraform-provider-google
-
Notifications
You must be signed in to change notification settings - Fork 0
/
resource_iam_binding.go
171 lines (154 loc) · 4.54 KB
/
resource_iam_binding.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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
package google
import (
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/cloudresourcemanager/v1"
"log"
)
var iamBindingSchema = map[string]*schema.Schema{
"role": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"members": {
Type: schema.TypeSet,
Required: true,
Elem: &schema.Schema{
Type: schema.TypeString,
},
},
"etag": {
Type: schema.TypeString,
Computed: true,
},
}
func ResourceIamBinding(parentSpecificSchema map[string]*schema.Schema, newUpdaterFunc newResourceIamUpdaterFunc) *schema.Resource {
return &schema.Resource{
Create: resourceIamBindingCreate(newUpdaterFunc),
Read: resourceIamBindingRead(newUpdaterFunc),
Update: resourceIamBindingUpdate(newUpdaterFunc),
Delete: resourceIamBindingDelete(newUpdaterFunc),
Schema: mergeSchemas(iamBindingSchema, parentSpecificSchema),
}
}
func resourceIamBindingCreate(newUpdaterFunc newResourceIamUpdaterFunc) schema.CreateFunc {
return func(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
updater, err := newUpdaterFunc(d, config)
if err != nil {
return err
}
p := getResourceIamBinding(d)
err = iamPolicyReadModifyWrite(updater, func(ep *cloudresourcemanager.Policy) error {
// Creating a binding does not remove existing members if they are not in the provided members list.
// This prevents removing existing permission without the user's knowledge.
// Instead, a diff is shown in that case after creation. Subsequent calls to update will remove any
// existing members not present in the provided list.
ep.Bindings = mergeBindings(append(ep.Bindings, p))
return nil
})
if err != nil {
return err
}
d.SetId(updater.GetResourceId() + "/" + p.Role)
return resourceIamBindingRead(newUpdaterFunc)(d, meta)
}
}
func resourceIamBindingRead(newUpdaterFunc newResourceIamUpdaterFunc) schema.ReadFunc {
return func(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
updater, err := newUpdaterFunc(d, config)
if err != nil {
return err
}
eBinding := getResourceIamBinding(d)
p, err := updater.GetResourceIamPolicy()
if err != nil {
return err
}
log.Printf("[DEBUG]: Retrieved policy for %s: %+v\n", updater.DescribeResource(), p)
var binding *cloudresourcemanager.Binding
for _, b := range p.Bindings {
if b.Role != eBinding.Role {
continue
}
binding = b
break
}
if binding == nil {
log.Printf("[DEBUG]: Binding for role %q not found in policy for %s, removing from state file.\n", eBinding.Role, updater.DescribeResource())
d.SetId("")
return nil
}
d.Set("etag", p.Etag)
d.Set("members", binding.Members)
d.Set("role", binding.Role)
return nil
}
}
func resourceIamBindingUpdate(newUpdaterFunc newResourceIamUpdaterFunc) schema.UpdateFunc {
return func(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
updater, err := newUpdaterFunc(d, config)
if err != nil {
return err
}
binding := getResourceIamBinding(d)
err = iamPolicyReadModifyWrite(updater, func(p *cloudresourcemanager.Policy) error {
var found bool
for pos, b := range p.Bindings {
if b.Role != binding.Role {
continue
}
found = true
p.Bindings[pos] = binding
break
}
if !found {
p.Bindings = append(p.Bindings, binding)
}
return nil
})
if err != nil {
return err
}
return resourceIamBindingRead(newUpdaterFunc)(d, meta)
}
}
func resourceIamBindingDelete(newUpdaterFunc newResourceIamUpdaterFunc) schema.DeleteFunc {
return func(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
updater, err := newUpdaterFunc(d, config)
if err != nil {
return err
}
binding := getResourceIamBinding(d)
err = iamPolicyReadModifyWrite(updater, func(p *cloudresourcemanager.Policy) error {
toRemove := -1
for pos, b := range p.Bindings {
if b.Role != binding.Role {
continue
}
toRemove = pos
break
}
if toRemove < 0 {
log.Printf("[DEBUG]: Policy bindings for %s did not include a binding for role %q", updater.DescribeResource(), binding.Role)
return nil
}
p.Bindings = append(p.Bindings[:toRemove], p.Bindings[toRemove+1:]...)
return nil
})
if err != nil {
return err
}
return resourceIamBindingRead(newUpdaterFunc)(d, meta)
}
}
func getResourceIamBinding(d *schema.ResourceData) *cloudresourcemanager.Binding {
members := d.Get("members").(*schema.Set).List()
return &cloudresourcemanager.Binding{
Members: convertStringArr(members),
Role: d.Get("role").(string),
}
}