func main() {
fmt.Println("at top of testswarm main")
var err error
//var infoResponse swarmapi.DockerInfoResponse
_, err = swarmapi.DockerInfo()
os.Exit(0)
inspectReq := swarmapi.DockerInspectRequest{}
inspectReq.ContainerName = "cpm"
var inspectResp swarmapi.DockerInspectResponse
inspectResp, err = swarmapi.DockerInspect(&inspectReq)
if err != nil {
fmt.Println(err.Error())
}
fmt.Println(inspectResp.IPAddress)
runReq := swarmapi.DockerRunRequest{}
runReq.PGDataPath = "/var/cpm/data/pgsql/swarmtest"
runReq.ContainerType = "cpm-node"
runReq.ContainerName = "swarmtest"
runReq.EnvVars = make(map[string]string)
runReq.EnvVars["one"] = "value of one"
runReq.EnvVars["two"] = "value of two"
runReq.CPU = "0"
runReq.MEM = "0"
var runResp swarmapi.DockerRunResponse
runResp, err = swarmapi.DockerRun(&runReq)
if err != nil {
fmt.Println(err.Error())
}
fmt.Println(runResp.ID)
}
func provisionImpl(dbConn *sql.DB, params *swarmapi.DockerRunRequest, standby bool) (string, error) {
logit.Info.Println("PROFILE: provisionImpl starts 1")
var errorStr string
//make sure the container name is not already taken
_, err := admindb.GetContainerByName(dbConn, params.ContainerName)
if err != nil {
if err != sql.ErrNoRows {
return "", err
}
} else {
errorStr = "container name " + params.ContainerName + " already used can't provision"
logit.Error.Println(errorStr)
return "", errors.New(errorStr)
}
//get the pg data path
var pgdatapath types.Setting
pgdatapath, err = admindb.GetSetting(dbConn, "PG-DATA-PATH")
if err != nil {
logit.Error.Println(err.Error())
return "", err
}
var infoResponse swarmapi.DockerInfoResponse
infoResponse, err = swarmapi.DockerInfo()
servers := make([]types.Server, len(infoResponse.Output))
i := 0
for i = range infoResponse.Output {
servers[i].ID = infoResponse.Output[i]
servers[i].Name = infoResponse.Output[i]
servers[i].IPAddress = infoResponse.Output[i]
i++
}
//for database nodes, on the target server, we need to allocate
//a disk volume on all CPM servers for the /pgdata container volume to work with
//this causes a volume to be created with the directory
//named the same as the container name
params.PGDataPath = pgdatapath.Value + "/" + params.ContainerName
logit.Info.Println("PROFILE provisionImpl 2 about to provision volume " + params.PGDataPath)
if params.Image != "cpm-pgpool" {
preq := &cpmserverapi.DiskProvisionRequest{}
preq.Path = params.PGDataPath
var response cpmserverapi.DiskProvisionResponse
for _, each := range servers {
logit.Info.Println("Provision: provisionvolume on server " + each.Name)
response, err = cpmserverapi.DiskProvisionClient(each.Name, preq)
if err != nil {
logit.Info.Println("Provision: provisionvolume error" + err.Error())
logit.Error.Println(err.Error())
return "", err
}
logit.Info.Println("Provision: provisionvolume call response=" + response.Status)
}
}
logit.Info.Println("PROFILE provisionImpl 3 provision volume completed")
//run docker run to create the container
params.CPU, params.MEM, err = getDockerResourceSettings(dbConn, params.Profile)
if err != nil {
logit.Error.Println(err.Error())
return "", err
}
//inspect and remove any existing container
logit.Info.Println("PROFILE provisionImpl inspect 4")
inspectReq := &swarmapi.DockerInspectRequest{}
inspectReq.ContainerName = params.ContainerName
var inspectResponse swarmapi.DockerInspectResponse
inspectResponse, err = swarmapi.DockerInspect(inspectReq)
if err != nil {
logit.Error.Println(err.Error())
return "", err
}
if inspectResponse.RunningState != "not-found" {
logit.Info.Println("PROFILE provisionImpl remove existing container 4a")
rreq := &swarmapi.DockerRemoveRequest{}
rreq.ContainerName = params.ContainerName
_, err = swarmapi.DockerRemove(rreq)
if err != nil {
logit.Error.Println(err.Error())
return "", err
}
}
//pass any restore env vars to the new container
if params.RestoreJob != "" {
if params.EnvVars == nil {
//logit.Info.Println("making envvars map")
params.EnvVars = make(map[string]string)
}
params.EnvVars["RestoreJob"] = params.RestoreJob
params.EnvVars["RestoreRemotePath"] = params.RestoreRemotePath
params.EnvVars["RestoreRemoteHost"] = params.RestoreRemoteHost
params.EnvVars["RestoreRemoteUser"] = params.RestoreRemoteUser
params.EnvVars["RestoreDbUser"] = params.RestoreDbUser
params.EnvVars["RestoreDbPass"] = params.RestoreDbPass
params.EnvVars["RestoreSet"] = params.RestoreSet
}
//
runReq := swarmapi.DockerRunRequest{}
runReq.PGDataPath = params.PGDataPath
runReq.Profile = params.Profile
runReq.Image = params.Image
runReq.ContainerName = params.ContainerName
runReq.EnvVars = params.EnvVars
//logit.Info.Println("CPU=" + params.CPU)
//logit.Info.Println("MEM=" + params.MEM)
runReq.CPU = "0"
runReq.MEM = "0"
var runResp swarmapi.DockerRunResponse
runResp, err = swarmapi.DockerRun(&runReq)
if err != nil {
logit.Error.Println(err.Error())
return "", err
}
logit.Info.Println("PROFILE provisionImpl created container 5 " + runResp.ID)
dbnode := types.Container{}
dbnode.ID = ""
dbnode.Name = params.ContainerName
dbnode.Image = params.Image
dbnode.ClusterID = "-1"
dbnode.ProjectID = params.ProjectID
if params.Standalone == "true" {
dbnode.Role = "standalone"
} else {
dbnode.Role = "unassigned"
}
var strid int
strid, err = admindb.InsertContainer(dbConn, dbnode)
newid := strconv.Itoa(strid)
if err != nil {
logit.Error.Println(err.Error())
return "", err
}
dbnode.ID = newid
if params.Image != "cpm-node-proxy" {
//register default db users on the new node
err = createDBUsers(dbConn, dbnode)
}
return newid, err
}