Repository navigation
Expand file tree
/
Copy pathcas_discovery.go
More file actions
340 lines (292 loc) · 10.8 KB
/
Copy pathcas_discovery.go
File metadata and controls
340 lines (292 loc) · 10.8 KB
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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
package viya
import (
"context"
"fmt"
"net/url"
"go.opentelemetry.io/otel/codes"
"resty.dev/v3"
)
// ListOptions configures SAS Viya collection paging.
type ListOptions struct {
Start int
Limit int
}
// CASServer describes a CAS server returned by the CAS Management API.
type CASServer struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description,omitempty"`
Version int `json:"version,omitempty"`
Links []Link `json:"links,omitempty"`
}
// CASServersResponse is a collection of SAS Viya CAS servers.
type CASServersResponse = ListResponse[CASServer]
// CASLib describes a CAS library returned by the CAS Management API.
type CASLib struct {
Name string `json:"name"`
Type string `json:"type,omitempty"`
Description string `json:"description,omitempty"`
Version int `json:"version,omitempty"`
Links []Link `json:"links,omitempty"`
}
// CASLibsResponse is a collection of SAS Viya CAS libraries.
type CASLibsResponse = ListResponse[CASLib]
// CASTable describes a CAS table returned by the CAS Management API.
type CASTable struct {
Name string `json:"name"`
CaslibName string `json:"caslibName,omitempty"`
RowCount int64 `json:"rowCount,omitempty"`
ColumnCount int `json:"columnCount,omitempty"`
Scope string `json:"scope,omitempty"`
SourceName string `json:"sourceName,omitempty"`
Version int `json:"version,omitempty"`
Links []Link `json:"links,omitempty"`
}
// CASTablesResponse is a collection of SAS Viya CAS tables.
type CASTablesResponse = ListResponse[CASTable]
// CASTableColumn describes a CAS table column.
type CASTableColumn struct {
Name string `json:"name"`
Type string `json:"type,omitempty"`
RawLength int `json:"rawLength,omitempty"`
Length int `json:"length,omitempty"`
Label string `json:"label,omitempty"`
Format string `json:"format,omitempty"`
Index int `json:"index,omitempty"`
}
// CASTableColumnsResponse is a collection of SAS Viya CAS table columns.
type CASTableColumnsResponse = ListResponse[CASTableColumn]
// CASTableRowsResponse contains sample rows from a CAS table.
type CASTableRowsResponse struct {
Columns []string `json:"columns"`
Rows []map[string]any `json:"rows"`
Count int `json:"count"`
Start int `json:"start"`
Limit int `json:"limit"`
}
// GetCASServers returns CAS servers visible to the caller.
func (c *Client) GetCASServers(ctx context.Context, opts ListOptions) (resp CASServersResponse, err error) {
ctx, span := tracer.Start(ctx, "GetCASServers")
defer span.End()
r, err := c.collectionRequest(ctx, opts).
SetResult(&resp).
Get("/casManagement/servers")
if err != nil {
return resp, err
}
if !r.IsStatusSuccess() {
span.SetStatus(codes.Error, r.String())
return resp, fmt.Errorf("failed to get CAS servers, status code: %d", r.StatusCode())
}
return resp, nil
}
// GetCASLibs returns CAS libraries for a CAS server.
func (c *Client) GetCASLibs(ctx context.Context, serverID string, opts ListOptions) (resp CASLibsResponse, err error) {
if serverID == "" {
return resp, &ErrInvalidParameter{Parameter: "serverID", Reason: "must not be empty"}
}
ctx, span := tracer.Start(ctx, "GetCASLibs")
defer span.End()
r, err := c.collectionRequest(ctx, opts).
SetResult(&resp).
Get(fmt.Sprintf("/casManagement/servers/%s/caslibs", serverID))
if err != nil {
return resp, err
}
if !r.IsStatusSuccess() {
span.SetStatus(codes.Error, r.String())
return resp, fmt.Errorf("failed to get CAS libraries, status code: %d", r.StatusCode())
}
return resp, nil
}
// GetCASTables returns tables in a CAS library.
func (c *Client) GetCASTables(ctx context.Context, serverID string, caslibName string, opts ListOptions) (resp CASTablesResponse, err error) {
if serverID == "" {
return resp, &ErrInvalidParameter{Parameter: "serverID", Reason: "must not be empty"}
}
if caslibName == "" {
return resp, &ErrInvalidParameter{Parameter: "caslibName", Reason: "must not be empty"}
}
ctx, span := tracer.Start(ctx, "GetCASTables")
defer span.End()
r, err := c.collectionRequest(ctx, opts).
SetResult(&resp).
Get(fmt.Sprintf("/casManagement/servers/%s/caslibs/%s/tables", serverID, url.PathEscape(caslibName)))
if err != nil {
return resp, err
}
if !r.IsStatusSuccess() {
span.SetStatus(codes.Error, r.String())
return resp, fmt.Errorf("failed to get CAS tables, status code: %d", r.StatusCode())
}
return resp, nil
}
// GetCASTableInfo returns metadata for a CAS table.
func (c *Client) GetCASTableInfo(ctx context.Context, serverID string, caslibName string, tableName string) (resp CASTable, err error) {
if serverID == "" {
return resp, &ErrInvalidParameter{Parameter: "serverID", Reason: "must not be empty"}
}
if caslibName == "" {
return resp, &ErrInvalidParameter{Parameter: "caslibName", Reason: "must not be empty"}
}
if tableName == "" {
return resp, &ErrInvalidParameter{Parameter: "tableName", Reason: "must not be empty"}
}
ctx, span := tracer.Start(ctx, "GetCASTableInfo")
defer span.End()
r, err := c.client.R().
SetContext(ctx).
SetHeader("Accept", AcceptJSONError).
SetResult(&resp).
Get(fmt.Sprintf("/casManagement/servers/%s/caslibs/%s/tables/%s", serverID, url.PathEscape(caslibName), url.PathEscape(tableName)))
if err != nil {
return resp, err
}
if !r.IsStatusSuccess() {
span.SetStatus(codes.Error, r.String())
return resp, fmt.Errorf("failed to get CAS table info, status code: %d", r.StatusCode())
}
return resp, nil
}
// GetCASTableColumns returns column metadata for a CAS table.
func (c *Client) GetCASTableColumns(ctx context.Context, serverID string, caslibName string, tableName string, opts ListOptions) (resp CASTableColumnsResponse, err error) {
if serverID == "" {
return resp, &ErrInvalidParameter{Parameter: "serverID", Reason: "must not be empty"}
}
if caslibName == "" {
return resp, &ErrInvalidParameter{Parameter: "caslibName", Reason: "must not be empty"}
}
if tableName == "" {
return resp, &ErrInvalidParameter{Parameter: "tableName", Reason: "must not be empty"}
}
ctx, span := tracer.Start(ctx, "GetCASTableColumns")
defer span.End()
r, err := c.collectionRequest(ctx, opts).
SetResult(&resp).
Get(fmt.Sprintf("/casManagement/servers/%s/caslibs/%s/tables/%s/columns", serverID, url.PathEscape(caslibName), url.PathEscape(tableName)))
if err != nil {
return resp, err
}
if !r.IsStatusSuccess() {
span.SetStatus(codes.Error, r.String())
return resp, fmt.Errorf("failed to get CAS table columns, status code: %d", r.StatusCode())
}
return resp, nil
}
// GetCASTableRows returns sample rows from a CAS table using dataTables and rowSets.
func (c *Client) GetCASTableRows(ctx context.Context, serverID string, caslibName string, tableName string, opts ListOptions) (resp CASTableRowsResponse, err error) {
if serverID == "" {
return resp, &ErrInvalidParameter{Parameter: "serverID", Reason: "must not be empty"}
}
if caslibName == "" {
return resp, &ErrInvalidParameter{Parameter: "caslibName", Reason: "must not be empty"}
}
if tableName == "" {
return resp, &ErrInvalidParameter{Parameter: "tableName", Reason: "must not be empty"}
}
ctx, span := tracer.Start(ctx, "GetCASTableRows")
defer span.End()
if opts.Limit <= 0 {
opts.Limit = 100
}
columns, err := c.getAllCASTableDataColumns(ctx, serverID, caslibName, tableName)
if err != nil {
return resp, err
}
var rowData casRowSetResponse
r, err := c.collectionRequest(ctx, opts).
SetResult(&rowData).
Get(fmt.Sprintf("/rowSets/tables/%s/rows", url.PathEscape(casTableID(serverID, caslibName, tableName))))
if err != nil {
return resp, err
}
if !r.IsStatusSuccess() {
span.SetStatus(codes.Error, r.String())
return resp, fmt.Errorf("failed to get CAS table rows, status code: %d", r.StatusCode())
}
columnNames := make([]string, 0, len(columns))
for _, column := range columns {
columnNames = append(columnNames, column.Name)
}
rows := make([]map[string]any, 0, len(rowData.Items))
for _, item := range rowData.Items {
row := make(map[string]any, len(item.Cells))
for i, cell := range item.Cells {
if i >= len(columnNames) {
break
}
row[columnNames[i]] = cell
}
rows = append(rows, row)
}
return CASTableRowsResponse{
Columns: columnNames,
Rows: rows,
Count: rowData.Count,
Start: opts.Start,
Limit: opts.Limit,
}, nil
}
// GetCASTableDataColumns returns column metadata from the dataTables API.
func (c *Client) GetCASTableDataColumns(ctx context.Context, serverID string, caslibName string, tableName string, opts ListOptions) (resp CASTableColumnsResponse, err error) {
if serverID == "" {
return resp, &ErrInvalidParameter{Parameter: "serverID", Reason: "must not be empty"}
}
if caslibName == "" {
return resp, &ErrInvalidParameter{Parameter: "caslibName", Reason: "must not be empty"}
}
if tableName == "" {
return resp, &ErrInvalidParameter{Parameter: "tableName", Reason: "must not be empty"}
}
ctx, span := tracer.Start(ctx, "GetCASTableDataColumns")
defer span.End()
r, err := c.collectionRequest(ctx, opts).
SetResult(&resp).
Get(fmt.Sprintf("/dataTables/dataSources/%s/tables/%s/columns", url.PathEscape(casDataSourceID(serverID, caslibName)), url.PathEscape(tableName)))
if err != nil {
return resp, err
}
if !r.IsStatusSuccess() {
span.SetStatus(codes.Error, r.String())
return resp, fmt.Errorf("failed to get CAS data table columns, status code: %d", r.StatusCode())
}
return resp, nil
}
func (c *Client) getAllCASTableDataColumns(ctx context.Context, serverID string, caslibName string, tableName string) ([]CASTableColumn, error) {
const pageLimit = 1000
columns := make([]CASTableColumn, 0)
for start := 0; ; start += pageLimit {
page, err := c.GetCASTableDataColumns(ctx, serverID, caslibName, tableName, ListOptions{Start: start, Limit: pageLimit})
if err != nil {
return nil, err
}
columns = append(columns, page.Items...)
if len(page.Items) < pageLimit || (page.Count > 0 && len(columns) >= page.Count) {
return columns, nil
}
}
}
type casRowSetResponse struct {
Count int `json:"count"`
Items []struct {
Cells []any `json:"cells"`
} `json:"items"`
}
func (c *Client) collectionRequest(ctx context.Context, opts ListOptions) *resty.Request {
req := c.client.R().
SetContext(ctx).
SetHeader("Accept", AcceptCollection)
if opts.Start > 0 {
req.SetQueryParam("start", fmt.Sprintf("%d", opts.Start))
}
if opts.Limit > 0 {
req.SetQueryParam("limit", fmt.Sprintf("%d", opts.Limit))
}
return req
}
func casDataSourceID(serverID string, caslibName string) string {
return fmt.Sprintf("cas~fs~%s~fs~%s", serverID, caslibName)
}
func casTableID(serverID string, caslibName string, tableName string) string {
return fmt.Sprintf("%s~fs~%s", casDataSourceID(serverID, caslibName), tableName)
}