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/
cluster_create.go
68 lines (53 loc) · 1.58 KB
/
cluster_create.go
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package terraform
import (
"encoding/json"
"io/ioutil"
"path/filepath"
"github.com/mattermost/mattermost-load-test/ltops"
"github.com/pkg/errors"
)
const (
CLUSTER_TYPE = "terraform"
)
func CreateCluster(cfg *ltops.ClusterConfig) (ltops.Cluster, error) {
dbPassword, err := generatePassword()
if err != nil {
return nil, errors.Wrap(err, "unable to generate database password")
}
sshPrivateKeyPEM, sshAuthorizedKey, err := generateSSHKey()
if err != nil {
return nil, errors.Wrap(err, "unable to generate ssh key")
}
terraformParameters := terraformParametersFromClusterConfig(cfg, dbPassword, string(sshAuthorizedKey), string(sshPrivateKeyPEM))
env, err := newTerraformEnvironment(cfg.WorkingDirectory, terraformParameters)
if err != nil {
return nil, errors.Wrap(err, "Unable to create terrafrom environment.")
}
if err := env.apply(); err != nil {
return nil, errors.Wrap(err, "Unable to run apply for create cluster")
}
cfg.Type = CLUSTER_TYPE
cluster := &Cluster{
Config: cfg,
SSHPrivateKeyPEM: sshPrivateKeyPEM,
DBPassword: dbPassword,
Env: env,
}
err = saveCluster(cluster, env.WorkingDirectory)
if err != nil {
return nil, err
}
return cluster, nil
}
const infoFilename = "clusterinfo.json"
func saveCluster(cluster *Cluster, dir string) error {
b, err := json.Marshal(cluster)
if err != nil {
return errors.Wrap(err, "unable to marshal cluster")
}
path := filepath.Join(dir, infoFilename)
if err := ioutil.WriteFile(path, b, 0600); err != nil {
return errors.Wrap(err, "unable to write cluster")
}
return nil
}