func()

in instance.go [368:413]

• 41 lines of code
• 11 McCabe index (conditional complexity)

func (i *Instance) populateDisks(w *Workflow) DError {
	autonameIdx := 1
	for di, d := range i.Disks {
		d.Boot = di == 0
		d.Mode = strOr(d.Mode, defaultDiskMode)
		if diskURLRgx.MatchString(d.Source) {
			d.Source = extendPartialURL(d.Source, i.Project)
		}
		p := d.InitializeParams
		if p != nil {
			// If name isn't set, set name to "instance-name", "instance-name-2", etc.
			if p.DiskName == "" {
				p.DiskName = i.Name
				if autonameIdx > 1 {
					p.DiskName = fmt.Sprintf("%s-%d", i.Name, autonameIdx)
				}
				autonameIdx++
			}
			if d.DeviceName == "" {
				d.DeviceName = p.DiskName
			}

			// Extend SourceImage if short URL.
			if imageURLRgx.MatchString(p.SourceImage) {
				p.SourceImage = extendPartialURL(p.SourceImage, i.Project)
			}

			// Extend DiskType if short URL, or create extended URL.
			p.DiskType = strOr(p.DiskType, defaultDiskType)
			if diskTypeURLRgx.MatchString(p.DiskType) {
				p.DiskType = extendPartialURL(p.DiskType, i.Project)
			} else {
				p.DiskType = fmt.Sprintf("projects/%s/zones/%s/diskTypes/%s", i.Project, i.Zone, p.DiskType)
			}
			parts := NamedSubexp(diskTypeURLRgx, p.DiskType)
			if parts["disktype"] == "local-ssd" {
				d.AutoDelete = true
				d.Type = "SCRATCH"
				p.DiskName = ""
			}
		} else if d.DeviceName == "" {
			d.DeviceName = path.Base(d.Source)
		}
	}
	return nil
}