/
databaseaccessrequest.go
136 lines (122 loc) · 4.88 KB
/
databaseaccessrequest.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
package util
import (
"encoding/json"
"fmt"
jsonpatch "github.com/evanphx/json-patch"
"github.com/golang/glog"
api "github.com/kubedb/apimachinery/apis/authorization/v1alpha1"
cs "github.com/kubedb/apimachinery/client/clientset/versioned/typed/authorization/v1alpha1"
"github.com/pkg/errors"
kerr "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
kutil "kmodules.xyz/client-go"
)
func CreateOrPatchDatabaseAccessRequest(c cs.AuthorizationV1alpha1Interface, meta metav1.ObjectMeta, transform func(alert *api.DatabaseAccessRequest) *api.DatabaseAccessRequest) (*api.DatabaseAccessRequest, kutil.VerbType, error) {
cur, err := c.DatabaseAccessRequests(meta.Namespace).Get(meta.Name, metav1.GetOptions{})
if kerr.IsNotFound(err) {
glog.V(3).Infof("Creating DatabaseAccessRequest %s/%s.", meta.Namespace, meta.Name)
out, err := c.DatabaseAccessRequests(meta.Namespace).Create(transform(&api.DatabaseAccessRequest{
TypeMeta: metav1.TypeMeta{
Kind: api.ResourceKindDatabaseAccessRequest,
APIVersion: api.SchemeGroupVersion.String(),
},
ObjectMeta: meta,
}))
return out, kutil.VerbCreated, err
} else if err != nil {
return nil, kutil.VerbUnchanged, err
}
return PatchDatabaseAccessRequest(c, cur, transform)
}
func PatchDatabaseAccessRequest(c cs.AuthorizationV1alpha1Interface, cur *api.DatabaseAccessRequest, transform func(*api.DatabaseAccessRequest) *api.DatabaseAccessRequest) (*api.DatabaseAccessRequest, kutil.VerbType, error) {
return PatchDatabaseAccessRequestObject(c, cur, transform(cur.DeepCopy()))
}
func PatchDatabaseAccessRequestObject(c cs.AuthorizationV1alpha1Interface, cur, mod *api.DatabaseAccessRequest) (*api.DatabaseAccessRequest, kutil.VerbType, error) {
curJson, err := json.Marshal(cur)
if err != nil {
return nil, kutil.VerbUnchanged, err
}
modJson, err := json.Marshal(mod)
if err != nil {
return nil, kutil.VerbUnchanged, err
}
patch, err := jsonpatch.CreateMergePatch(curJson, modJson)
if err != nil {
return nil, kutil.VerbUnchanged, err
}
if len(patch) == 0 || string(patch) == "{}" {
return cur, kutil.VerbUnchanged, nil
}
glog.V(3).Infof("Patching DatabaseAccessRequest %s/%s with %s.", cur.Namespace, cur.Name, string(patch))
out, err := c.DatabaseAccessRequests(cur.Namespace).Patch(cur.Name, types.MergePatchType, patch)
return out, kutil.VerbPatched, err
}
func TryUpdateDatabaseAccessRequest(c cs.AuthorizationV1alpha1Interface, meta metav1.ObjectMeta, transform func(*api.DatabaseAccessRequest) *api.DatabaseAccessRequest) (result *api.DatabaseAccessRequest, err error) {
attempt := 0
err = wait.PollImmediate(kutil.RetryInterval, kutil.RetryTimeout, func() (bool, error) {
attempt++
cur, e2 := c.DatabaseAccessRequests(meta.Namespace).Get(meta.Name, metav1.GetOptions{})
if kerr.IsNotFound(e2) {
return false, e2
} else if e2 == nil {
result, e2 = c.DatabaseAccessRequests(cur.Namespace).Update(transform(cur.DeepCopy()))
return e2 == nil, nil
}
glog.Errorf("Attempt %d failed to update DatabaseAccessRequest %s/%s due to %v.", attempt, cur.Namespace, cur.Name, e2)
return false, nil
})
if err != nil {
err = errors.Errorf("failed to update DatabaseAccessRequest %s/%s after %d attempts due to %v", meta.Namespace, meta.Name, attempt, err)
}
return
}
func UpdateDatabaseAccessRequestStatus(
c cs.AuthorizationV1alpha1Interface,
in *api.DatabaseAccessRequest,
transform func(*api.DatabaseAccessRequestStatus) *api.DatabaseAccessRequestStatus,
useSubresource ...bool,
) (result *api.DatabaseAccessRequest, err error) {
if len(useSubresource) > 1 {
return nil, errors.Errorf("invalid value passed for useSubresource: %v", useSubresource)
}
apply := func(x *api.DatabaseAccessRequest) *api.DatabaseAccessRequest {
return &api.DatabaseAccessRequest{
TypeMeta: x.TypeMeta,
ObjectMeta: x.ObjectMeta,
Spec: x.Spec,
Status: *transform(in.Status.DeepCopy()),
}
}
if len(useSubresource) == 1 && useSubresource[0] {
attempt := 0
cur := in.DeepCopy()
err = wait.PollImmediate(kutil.RetryInterval, kutil.RetryTimeout, func() (bool, error) {
attempt++
var e2 error
result, e2 = c.DatabaseAccessRequests(in.Namespace).UpdateStatus(apply(cur))
if kerr.IsConflict(e2) {
latest, e3 := c.DatabaseAccessRequests(in.Namespace).Get(in.Name, metav1.GetOptions{})
switch {
case e3 == nil:
cur = latest
return false, nil
case kutil.IsRequestRetryable(e3):
return false, nil
default:
return false, e3
}
} else if err != nil && !kutil.IsRequestRetryable(e2) {
return false, e2
}
return e2 == nil, nil
})
if err != nil {
err = fmt.Errorf("failed to update status of DatabaseAccessRequest %s/%s after %d attempts due to %v", in.Namespace, in.Name, attempt, err)
}
return
}
result, _, err = PatchDatabaseAccessRequestObject(c, in, apply(in))
return
}