40 lines
991 B
Go
40 lines
991 B
Go
package project
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import (
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"fmt"
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"golang.org/x/net/context"
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log "github.com/sirupsen/logrus"
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)
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// Scale scales the specified services.
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func (p *Project) Scale(ctx context.Context, timeout int, servicesScale map[string]int) error {
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// This code is a bit verbose but I wanted to parse everything up front
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order := make([]string, 0, 0)
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services := make(map[string]Service)
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for name := range servicesScale {
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if !p.ServiceConfigs.Has(name) {
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return fmt.Errorf("%s is not defined in the template", name)
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}
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service, err := p.CreateService(name)
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if err != nil {
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return fmt.Errorf("Failed to lookup service: %s: %v", service, err)
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}
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order = append(order, name)
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services[name] = service
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}
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for _, name := range order {
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scale := servicesScale[name]
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log.Infof("Setting scale %s=%d...", name, scale)
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err := services[name].Scale(ctx, scale, timeout)
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if err != nil {
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return fmt.Errorf("Failed to set the scale %s=%d: %v", name, scale, err)
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}
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}
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return nil
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}
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