/
prepare_terraform.go
142 lines (116 loc) · 4.5 KB
/
prepare_terraform.go
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package handler
import (
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/sts"
common "github.com/mergermarket/cdflow2-config-common"
)
func (h *Handler) PrepareTerraform(request *common.PrepareTerraformRequest, response *common.PrepareTerraformResponse, releaseDir string) error {
team, err := h.getTeam(request.Config["team"])
if err != nil {
response.Success = false
fmt.Fprintln(h.ErrorStream, err)
return nil
}
response.Monitoring.Data["team"] = team
if !h.CheckInputConfiguration(request.Config, request.Env) {
response.Success = false
return nil
}
response.Monitoring.APIKey = h.getDatadogAPIKey()
accountID := h.getAccountID()
if accountID != "" {
response.Monitoring.Data["account_id"] = accountID
}
if !h.CheckAWSResources() {
response.Success = false
return nil
}
response.TerraformBackendType = "s3"
response.TerraformBackendConfig["region"] = h.defaultRegion
response.TerraformBackendConfig["bucket"] = h.tfstateBucket
response.TerraformBackendConfig["access_key"] = request.Env["AWS_ACCESS_KEY_ID"]
response.TerraformBackendConfig["secret_key"] = request.Env["AWS_SECRET_ACCESS_KEY"]
response.TerraformBackendConfig["token"] = request.Env["AWS_SESSION_TOKEN"]
// When using a non-default workspace, the state path will be bucket/workspace_key_prefix/workspace_name/key
response.TerraformBackendConfig["workspace_key_prefix"] = fmt.Sprintf("%s/%s", team, request.Component)
response.TerraformBackendConfig["key"] = "terraform.tfstate"
response.TerraformBackendConfig["dynamodb_table"] = h.tflocksTable
if err := h.AddDeployAccountCredentialsValue(request, team, response.Env); err != nil {
response.Success = false
fmt.Fprintln(h.ErrorStream, err)
return nil
}
AddAdditionalEnvironment(request.Env, response.Env)
s3Client := h.s3Client
// if request.StateShouldExist != nil {
// statePath := fmt.Sprintf("%s/%s/%s", response.TerraformBackendConfig["workspace_key_prefix"], request.EnvName, response.TerraformBackendConfig["key"])
// if *request.StateShouldExist {
// if err := h.validateStateExists(request, team, statePath, response, s3Client); err != nil {
// response.Success = false
// fmt.Fprintln(h.ErrorStream, err)
// return nil
// }
// }
// if !*request.StateShouldExist {
// if err := h.validateStateDoesNotExist(request, team, statePath, response, s3Client); err != nil {
// response.Success = false
// fmt.Fprintln(h.ErrorStream, err)
// return nil
// }
// }
// }
if request.Version == "" {
return nil
}
key := releaseS3Key(team, request.Component, request.Version)
fmt.Fprintf(h.ErrorStream, "- Downloading release from s3://%s/%s...\n", h.releaseBucket, key)
getObjectOutput, err := s3Client.GetObject(&s3.GetObjectInput{
Bucket: aws.String(h.releaseBucket),
Key: aws.String(key),
})
if err != nil {
response.Success = false
fmt.Fprintln(h.ErrorStream, err)
return nil
}
terraformImage, err := h.ReleaseLoader.Load(
getObjectOutput.Body, request.Component, request.Version, releaseDir,
)
if err != nil {
response.Success = false
fmt.Fprintln(h.ErrorStream, err)
return nil
}
response.TerraformImage = terraformImage
return nil
}
func (h *Handler) AddDeployAccountCredentialsValue(request *common.PrepareTerraformRequest, team string, responseEnv map[string]string) error {
responseEnv["AWS_ACCESS_KEY_ID"] = request.Env["AWS_ACCESS_KEY_ID"]
responseEnv["AWS_SECRET_ACCESS_KEY"] = request.Env["AWS_SECRET_ACCESS_KEY"]
responseEnv["AWS_SESSION_TOKEN"] = request.Env["AWS_SESSION_TOKEN"]
responseEnv["AWS_DEFAULT_REGION"] = request.Env["AWS_DEFAULT_REGION"]
return nil
}
func (h *Handler) getAccountID() string {
svc := sts.New(h.awsSession)
result, err := svc.GetCallerIdentity(&sts.GetCallerIdentityInput{})
if err != nil {
fmt.Fprintf(h.ErrorStream, "unable to get aws caller identity: %v", err)
return ""
}
if result.Account != nil {
return *result.Account
}
return ""
}
func AddAdditionalEnvironment(requestEnv map[string]string, responseEnv map[string]string) {
responseEnv["DD_APP_KEY"] = requestEnv["DATADOG_APP_KEY"]
responseEnv["DD_API_KEY"] = requestEnv["DATADOG_API_KEY"]
responseEnv["FASTLY_API_KEY"] = requestEnv["FASTLY_API_KEY"]
responseEnv["GITHUB_TOKEN"] = requestEnv["GITHUB_TOKEN"]
responseEnv["MONGODB_ATLAS_PUBLIC_KEY"] = requestEnv["MONGODB_ATLAS_PUBLIC_KEY"]
responseEnv["MONGODB_ATLAS_PRIVATE_KEY"] = requestEnv["MONGODB_ATLAS_PRIVATE_KEY"]
responseEnv["JUNOS_PASSWORD"] = requestEnv["JUNOS_PASSWORD"]
}