-
Notifications
You must be signed in to change notification settings - Fork 16
/
parse_script.go
57 lines (52 loc) · 1.77 KB
/
parse_script.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
package ci
import (
"bytes"
"fmt"
"strings"
"text/template"
pb "github.com/autograde/quickfeed/ag"
"github.com/autograde/quickfeed/internal/rand"
)
// AssignmentInfo holds metadata needed to fetch student code
// and the test repository for an assignment.
type AssignmentInfo struct {
AssignmentName string
Script string
CreatorAccessToken string
GetURL string
TestURL string
RandomSecret string
}
func newAssignmentInfo(course *pb.Course, assignment *pb.Assignment, cloneURL, testURL string) *AssignmentInfo {
return &AssignmentInfo{
AssignmentName: assignment.GetName(),
Script: assignment.ScriptFile,
CreatorAccessToken: course.GetAccessToken(),
GetURL: cloneURL,
TestURL: testURL,
RandomSecret: rand.String(),
}
}
// parseScriptTemplate returns a job describing the docker image to use and
// the commands of the job. The job is extracted from a script template file
// provided as input along with assignment metadata for the template.
func parseScriptTemplate(info *AssignmentInfo) (*Job, error) {
// info.Script is the saved contents of the script, not the file name
t, err := template.New("scriptfile").Parse(info.Script)
if err != nil {
return nil, err
}
buffer := new(bytes.Buffer)
if err := t.Execute(buffer, info); err != nil {
return nil, err
}
s := strings.Split(buffer.String(), "\n")
if len(s) < 2 {
return nil, fmt.Errorf("no script template for assignment %s in %s", info.AssignmentName, info.TestURL)
}
parts := strings.Split(s[0], "#image/")
if len(parts) < 2 {
return nil, fmt.Errorf("no docker image specified in script template for assignment %s in %s", info.AssignmentName, info.TestURL)
}
return &Job{Image: parts[1], Commands: s[1:]}, nil
}