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input_generator.go
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input_generator.go
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package aws
import (
"crypto/sha1"
"encoding/json"
"fmt"
"github.com/cloudfoundry/bosh-bootloader/aws/ec2"
"github.com/cloudfoundry/bosh-bootloader/storage"
)
type InputGenerator struct {
availabilityZoneRetriever ec2.AvailabilityZoneRetriever
}
const terraformNameCharLimit = 18
var jsonMarshal = json.Marshal
func NewInputGenerator(availabilityZoneRetriever ec2.AvailabilityZoneRetriever) InputGenerator {
return InputGenerator{
availabilityZoneRetriever: availabilityZoneRetriever,
}
}
func (i InputGenerator) Generate(state storage.State) (map[string]string, error) {
azs, err := i.availabilityZoneRetriever.RetrieveAvailabilityZones(state.AWS.Region)
if err != nil {
return map[string]string{}, err
}
azsString, err := jsonMarshal(azs)
if err != nil {
return map[string]string{}, err
}
shortEnvID := state.EnvID
if len(shortEnvID) > terraformNameCharLimit {
sha1 := fmt.Sprintf("%x", sha1.Sum([]byte(state.EnvID)))
shortEnvID = fmt.Sprintf("%s-%s", shortEnvID[:terraformNameCharLimit-8], sha1[:terraformNameCharLimit-11])
}
inputs := map[string]string{
"env_id": state.EnvID,
"short_env_id": shortEnvID,
"access_key": state.AWS.AccessKeyID,
"secret_key": state.AWS.SecretAccessKey,
"region": state.AWS.Region,
"bosh_availability_zone": state.Stack.BOSHAZ,
"availability_zones": string(azsString),
}
if state.LB.Type == "cf" || state.LB.Type == "concourse" {
inputs["ssl_certificate_name_prefix"] = ""
inputs["ssl_certificate_name"] = state.Stack.CertificateName
if state.Stack.CertificateName == "" {
inputs["ssl_certificate_name_prefix"] = shortEnvID
inputs["ssl_certificate"] = state.LB.Cert
inputs["ssl_certificate_private_key"] = state.LB.Key
inputs["ssl_certificate_chain"] = state.LB.Chain
}
if state.LB.Domain != "" {
inputs["system_domain"] = state.LB.Domain
}
}
return inputs, nil
}