-
Notifications
You must be signed in to change notification settings - Fork 69
/
oas_client_gen.go
155 lines (132 loc) · 3.58 KB
/
oas_client_gen.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
// Code generated by ogen, DO NOT EDIT.
package api
import (
"context"
"net/url"
"strings"
"time"
"github.com/go-faster/errors"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/metric"
semconv "go.opentelemetry.io/otel/semconv/v1.19.0"
"go.opentelemetry.io/otel/trace"
ht "github.com/ogen-go/ogen/http"
"github.com/ogen-go/ogen/otelogen"
"github.com/ogen-go/ogen/uri"
)
// Invoker invokes operations described by OpenAPI v3 specification.
type Invoker interface {
// ProbeLiveness invokes probeLiveness operation.
//
// Liveness probe for kubernetes.
//
// GET /healthz
ProbeLiveness(ctx context.Context) (string, error)
}
// Client implements OAS client.
type Client struct {
serverURL *url.URL
baseClient
}
type errorHandler interface {
NewError(ctx context.Context, err error) *ErrorStatusCode
}
var _ Handler = struct {
errorHandler
*Client
}{}
func trimTrailingSlashes(u *url.URL) {
u.Path = strings.TrimRight(u.Path, "/")
u.RawPath = strings.TrimRight(u.RawPath, "/")
}
// NewClient initializes new Client defined by OAS.
func NewClient(serverURL string, opts ...ClientOption) (*Client, error) {
u, err := url.Parse(serverURL)
if err != nil {
return nil, err
}
trimTrailingSlashes(u)
c, err := newClientConfig(opts...).baseClient()
if err != nil {
return nil, err
}
return &Client{
serverURL: u,
baseClient: c,
}, nil
}
type serverURLKey struct{}
// WithServerURL sets context key to override server URL.
func WithServerURL(ctx context.Context, u *url.URL) context.Context {
return context.WithValue(ctx, serverURLKey{}, u)
}
func (c *Client) requestURL(ctx context.Context) *url.URL {
u, ok := ctx.Value(serverURLKey{}).(*url.URL)
if !ok {
return c.serverURL
}
return u
}
// ProbeLiveness invokes probeLiveness operation.
//
// Liveness probe for kubernetes.
//
// GET /healthz
func (c *Client) ProbeLiveness(ctx context.Context) (string, error) {
res, err := c.sendProbeLiveness(ctx)
return res, err
}
func (c *Client) sendProbeLiveness(ctx context.Context) (res string, err error) {
otelAttrs := []attribute.KeyValue{
otelogen.OperationID("probeLiveness"),
semconv.HTTPMethodKey.String("GET"),
semconv.HTTPRouteKey.String("/healthz"),
}
// Run stopwatch.
startTime := time.Now()
defer func() {
// Use floating point division here for higher precision (instead of Millisecond method).
elapsedDuration := time.Since(startTime)
c.duration.Record(ctx, float64(float64(elapsedDuration)/float64(time.Millisecond)), metric.WithAttributes(otelAttrs...))
}()
// Increment request counter.
c.requests.Add(ctx, 1, metric.WithAttributes(otelAttrs...))
// Start a span for this request.
ctx, span := c.cfg.Tracer.Start(ctx, "ProbeLiveness",
trace.WithAttributes(otelAttrs...),
clientSpanKind,
)
// Track stage for error reporting.
var stage string
defer func() {
if err != nil {
span.RecordError(err)
span.SetStatus(codes.Error, stage)
c.errors.Add(ctx, 1, metric.WithAttributes(otelAttrs...))
}
span.End()
}()
stage = "BuildURL"
u := uri.Clone(c.requestURL(ctx))
var pathParts [1]string
pathParts[0] = "/healthz"
uri.AddPathParts(u, pathParts[:]...)
stage = "EncodeRequest"
r, err := ht.NewRequest(ctx, "GET", u)
if err != nil {
return res, errors.Wrap(err, "create request")
}
stage = "SendRequest"
resp, err := c.cfg.Client.Do(r)
if err != nil {
return res, errors.Wrap(err, "do request")
}
defer resp.Body.Close()
stage = "DecodeResponse"
result, err := decodeProbeLivenessResponse(resp)
if err != nil {
return res, errors.Wrap(err, "decode response")
}
return result, nil
}