forked from hashicorp/nomad
-
Notifications
You must be signed in to change notification settings - Fork 0
/
nodes.go
119 lines (104 loc) · 2.98 KB
/
nodes.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
package api
import (
"sort"
"strconv"
)
// Nodes is used to query node-related API endpoints
type Nodes struct {
client *Client
}
// Nodes returns a handle on the node endpoints.
func (c *Client) Nodes() *Nodes {
return &Nodes{client: c}
}
// List is used to list out all of the nodes
func (n *Nodes) List(q *QueryOptions) ([]*NodeListStub, *QueryMeta, error) {
var resp NodeIndexSort
qm, err := n.client.query("/v1/nodes", &resp, q)
if err != nil {
return nil, nil, err
}
sort.Sort(NodeIndexSort(resp))
return resp, qm, nil
}
// Info is used to query a specific node by its ID.
func (n *Nodes) Info(nodeID string, q *QueryOptions) (*Node, *QueryMeta, error) {
var resp Node
qm, err := n.client.query("/v1/node/"+nodeID, &resp, q)
if err != nil {
return nil, nil, err
}
return &resp, qm, nil
}
// ToggleDrain is used to toggle drain mode on/off for a given node.
func (n *Nodes) ToggleDrain(nodeID string, drain bool, q *WriteOptions) (*WriteMeta, error) {
drainArg := strconv.FormatBool(drain)
wm, err := n.client.write("/v1/node/"+nodeID+"/drain?enable="+drainArg, nil, nil, q)
if err != nil {
return nil, err
}
return wm, nil
}
// Allocations is used to return the allocations associated with a node.
func (n *Nodes) Allocations(nodeID string, q *QueryOptions) ([]*AllocationListStub, *QueryMeta, error) {
var resp []*AllocationListStub
qm, err := n.client.query("/v1/node/"+nodeID+"/allocations", &resp, q)
if err != nil {
return nil, nil, err
}
sort.Sort(AllocIndexSort(resp))
return resp, qm, nil
}
// ForceEvaluate is used to force-evaluate an existing node.
func (n *Nodes) ForceEvaluate(nodeID string, q *WriteOptions) (string, *WriteMeta, error) {
var resp nodeEvalResponse
wm, err := n.client.write("/v1/node/"+nodeID+"/evaluate", nil, &resp, q)
if err != nil {
return "", nil, err
}
return resp.EvalID, wm, nil
}
// Node is used to deserialize a node entry.
type Node struct {
ID string
Datacenter string
Name string
Attributes map[string]string
Resources *Resources
Reserved *Resources
Links map[string]string
NodeClass string
Drain bool
Status string
StatusDescription string
CreateIndex uint64
ModifyIndex uint64
}
// NodeListStub is a subset of information returned during
// node list operations.
type NodeListStub struct {
ID string
Datacenter string
Name string
NodeClass string
Drain bool
Status string
StatusDescription string
CreateIndex uint64
ModifyIndex uint64
}
// NodeIndexSort reverse sorts nodes by CreateIndex
type NodeIndexSort []*NodeListStub
func (n NodeIndexSort) Len() int {
return len(n)
}
func (n NodeIndexSort) Less(i, j int) bool {
return n[i].CreateIndex > n[j].CreateIndex
}
func (n NodeIndexSort) Swap(i, j int) {
n[i], n[j] = n[j], n[i]
}
// nodeEvalResponse is used to decode a force-eval.
type nodeEvalResponse struct {
EvalID string
}