func provisionImplInit(dbConn *sql.DB, params *swarmapi.DockerRunRequest, standby bool) error {
//go get the domain name from the settings
var domainname types.Setting
var pgport types.Setting
var sleepSetting types.Setting
var err error
domainname, err = admindb.GetSetting(dbConn, "DOMAIN-NAME")
if err != nil {
logit.Error.Println(err.Error())
return err
}
pgport, err = admindb.GetSetting(dbConn, "PG-PORT")
if err != nil {
logit.Error.Println(err.Error())
return err
}
sleepSetting, err = admindb.GetSetting(dbConn, "SLEEP-PROV")
if err != nil {
logit.Error.Println("Provision:SLEEP-PROV setting error " + err.Error())
return err
}
var sleepTime time.Duration
sleepTime, err = time.ParseDuration(sleepSetting.Value)
fqdn := params.ContainerName + "." + domainname.Value
//we are depending on a DNS entry being created shortly after
//creating the node in Docker
//you might need to wait here until you can reach the new node's agent
logit.Info.Println("PROFILE waiting till DNS ready")
err = waitTillReady(fqdn, sleepTime)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("checkpt 1")
if standby {
logit.Info.Println("standby node being created, will not initdb")
} else {
if params.RestoreJob != "" {
logit.Info.Println("RestoreJob found, not doing initdb...")
} else {
//initdb on the new node
logit.Info.Println("PROFILE running initdb on the node")
var resp cpmcontainerapi.InitdbResponse
logit.Info.Println("checkpt 2")
resp, err = cpmcontainerapi.InitdbClient(fqdn)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("checkpt 3")
logit.Info.Println("initdb output was" + resp.Output)
//create postgresql.conf
var data string
var mode = "standalone"
info := new(template.PostgresqlParameters)
info.PG_PORT = pgport.Value
info.CLUSTER_TYPE = ""
err = template.GetTuningParms(dbConn, params.Profile, info)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("after GetTuning call with MWM = " + info.TUNE_MWM)
data, err = template.Postgresql(mode, info)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("provision chkpt 4")
//place postgresql.conf on new node
logit.Info.Println("fqdn is " + fqdn)
logit.Info.Println("postgresql.conf file is " + data)
_, err = cpmcontainerapi.RemoteWritefileClient("/pgdata/postgresql.conf", data, fqdn)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("provision chkpt 5")
//create pg_hba.conf
rules := make([]template.Rule, 0)
data, err = template.Hba(dbConn, mode, params.ContainerName, pgport.Value, "", domainname.Value, rules)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("provision chkpt 6")
//place pg_hba.conf on new node
_, err = cpmcontainerapi.RemoteWritefileClient("/pgdata/pg_hba.conf", data, fqdn)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("PROFILE templates all built and copied to node")
}
//start pg on new node
var startResp cpmcontainerapi.StartPGResponse
startResp, err = cpmcontainerapi.StartPGClient(fqdn)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("startpg output was" + startResp.Output)
//seed database with initial objects
var seedResp cpmcontainerapi.SeedResponse
seedResp, err = cpmcontainerapi.SeedClient(fqdn)
if err != nil {
logit.Error.Println(err.Error())
return err
}
logit.Info.Println("seed output was" + seedResp.Output)
}
logit.Info.Println("PROFILE node provisioning completed")
return nil
}
func main() {
startTime = time.Now()
startTimeString = startTime.String()
logit.Info.Println("backrestrestore running....")
err := getEnvVars()
if err != nil {
logit.Error.Println(err.Error())
return
}
s := task.TaskStatus{}
eDuration := time.Since(startTime)
s.StartTime = startTimeString
s.ElapsedTime = eDuration.String()
s.Status = "initializing"
s.TaskSize = "n/a"
sendStats(&s)
logit.Info.Println("giving DNS time to register the backup job....sleeping for 7 secs")
sleepTime, _ := time.ParseDuration("7s")
time.Sleep(sleepTime)
stats("restore job starting")
stats("stopping postgres...")
var stopResponse cpmcontainerapi.StopPGResponse
stopResponse, err = cpmcontainerapi.StopPGClient(restoreContainerName)
if err != nil {
logit.Error.Println(err.Error())
s.Status = "error in stopPG"
sendStats(&s)
os.Exit(1)
}
logit.Info.Println("StopPG....")
logit.Info.Println(stopResponse.Output)
logit.Info.Println(stopResponse.Status)
logit.Info.Println("End of StopPG....")
//wait for postgres to quit
time.Sleep(sleepTime)
stats("performing the restore...")
//perform the restore
restoreRequest := cpmcontainerapi.RestoreRequest{}
restoreRequest.RestoreRemotePath = restoreRemotePath
restoreRequest.RestoreRemoteHost = restoreRemoteHost
restoreRequest.RestoreRemoteUser = restoreRemoteUser
restoreRequest.RestoreDbUser = restoreDbUser
restoreRequest.RestoreDbPass = restoreDbPass
restoreRequest.RestoreSet = restoreSet
var restoreResponse cpmcontainerapi.RestoreResponse
restoreResponse, err = cpmcontainerapi.RestoreClient(restoreContainerName, &restoreRequest)
if err != nil {
logit.Error.Println(err.Error())
s.Status = "error in restore"
sendStats(&s)
os.Exit(1)
}
logit.Info.Println("Restore....")
logit.Info.Println(restoreResponse.Output)
logit.Info.Println(restoreResponse.Status)
logit.Info.Println("End of Restore....")
stats("starting postgres after the restore...")
var startResponse cpmcontainerapi.StartPGResponse
startResponse, err = cpmcontainerapi.StartPGClient(restoreContainerName)
if err != nil {
logit.Error.Println(err.Error())
s.Status = "error in startPG"
sendStats(&s)
os.Exit(1)
}
logit.Info.Println("StartPG....")
logit.Info.Println(startResponse.Output)
logit.Info.Println(startResponse.Status)
logit.Info.Println("End of StartPG....")
stats("seeding the database...")
var seedResponse cpmcontainerapi.SeedResponse
seedResponse, err = cpmcontainerapi.SeedClient(restoreContainerName)
if err != nil {
logit.Error.Println(err.Error())
s.Status = "error in Seed"
sendStats(&s)
os.Exit(1)
}
logit.Info.Println("Seed....")
logit.Info.Println(seedResponse.Output)
logit.Info.Println(seedResponse.Status)
logit.Info.Println("End of Seed....")
//send final stats to backup
finalstats("restore completed")
}