/usr/share/gocode/src/github.com/ctdk/goiardi/shovey/shovey.go is in golang-github-ctdk-goiardi-dev 0.11.2-2.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 2013-2016, Jeremy Bingham (<jeremy@goiardi.gl>)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Package shovey provides a means for pushing jobs out to nodes to be run
// independently of a chef-client run.
package shovey
import (
"bytes"
"crypto/rsa"
"encoding/json"
"fmt"
"math"
"net/http"
"os"
"reflect"
"regexp"
"sort"
"strconv"
"strings"
"time"
"github.com/ctdk/chefcrypto"
"github.com/ctdk/goiardi/config"
"github.com/ctdk/goiardi/datastore"
"github.com/ctdk/goiardi/node"
"github.com/ctdk/goiardi/secret"
"github.com/ctdk/goiardi/serfin"
"github.com/ctdk/goiardi/util"
serfclient "github.com/hashicorp/serf/client"
"github.com/pborman/uuid"
"github.com/tideland/golib/logger"
)
// Shovey holds all the overall information for a shovey run common to all nodes
// running the command.
type Shovey struct {
RunID string `json:"id"`
NodeNames []string `json:"nodes"`
Command string `json:"command"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
Status string `json:"status"`
Timeout time.Duration `json:"timeout"`
Quorum string `json:"quorum"`
}
// ShoveyRun represents a node's shovey run.
type ShoveyRun struct {
ID int `json:"-"`
ShoveyUUID string `json:"run_id"`
NodeName string `json:"node_name"`
Status string `json:"status"`
AckTime time.Time `json:"ack_time"`
EndTime time.Time `json:"end_time"`
Error string `json:"error"`
ExitStatus uint8 `json:"exit_status"`
}
// ShoveyRunStream holds a chunk of output from a shovey run.
type ShoveyRunStream struct {
ShoveyUUID string
NodeName string
Seq int
OutputType string
Output string
IsLast bool
CreatedAt time.Time
}
// BySeq is a type used to sort ShoveyRunStreams.
type BySeq []*ShoveyRunStream
// Qerror is a special error type for shovey runs.
type Qerror interface {
String() string
Error() string
Status() string
SetStatus(string)
UpNodes() []string
DownNodes() []string
SetUpNodes([]string)
SetDownNodes([]string)
}
type qerror struct {
msg string
status string
upNodes []string
downNodes []string
}
func newQuerror(text string) Qerror {
return &qerror{msg: text,
status: "job_failed",
}
}
// Errorf creates a new Qerror, with a formatted error string.
func Errorf(format string, a ...interface{}) Qerror {
return newQuerror(fmt.Sprintf(format, a...))
}
// Error returns the Qerror error message.
func (e *qerror) Error() string {
return e.msg
}
// CastErr will easily cast a different kind of error to a Qerror.
func CastErr(err error) Qerror {
return Errorf(err.Error())
}
// String returns a string representation of a Qerror.
func (e *qerror) String() string {
return e.msg
}
// Set the Qerror status string.
func (e *qerror) SetStatus(s string) {
e.status = s
}
// Returns the Qerror's HTTP status code.
func (e *qerror) Status() string {
return e.status
}
// UpNodes returns the nodes known to be up by this Qerror.
func (e *qerror) UpNodes() []string {
return e.upNodes
}
// DownNodes returns the nodes known to be up by this Qerror
func (e *qerror) DownNodes() []string {
return e.downNodes
}
// SetUpNodes sets the nodes that are up for this Qerror.
func (e *qerror) SetUpNodes(u []string) {
e.upNodes = u
}
// SetDownNodes sets the nodes that are down for this Qerror.
func (e *qerror) SetDownNodes(d []string) {
e.downNodes = d
}
// New creates a new shovey instance.
func New(command string, timeout int, quorumStr string, nodeNames []string) (*Shovey, util.Gerror) {
var found bool
runID := uuid.New()
// Conflicting uuids are unlikely, but conceivable.
if config.UsingDB() {
var err error
found, err = checkForShoveySQL(datastore.Dbh, runID)
if err != nil {
gerr := util.CastErr(err)
gerr.SetStatus(http.StatusInternalServerError)
return nil, gerr
}
} else {
ds := datastore.New()
_, found = ds.Get("shovey", runID)
}
// unlikely
if found {
err := util.Errorf("a shovey run with this run id already exists")
err.SetStatus(http.StatusConflict)
return nil, err
}
s := &Shovey{RunID: runID, NodeNames: nodeNames, Command: command, Timeout: time.Duration(timeout), Quorum: quorumStr, Status: "submitted"}
s.CreatedAt = time.Now()
s.UpdatedAt = time.Now()
err := s.save()
if err != nil {
return nil, err
}
return s, nil
}
// Start kicks off all the shovey runs for this shovey instance.
func (s *Shovey) Start() util.Gerror {
err := s.startJobs()
if err != nil {
s.Status = err.Status()
s.save()
return util.CastErr(err)
}
s.Status = "running"
s.save()
return nil
}
func (s *Shovey) save() util.Gerror {
if config.UsingDB() {
return s.saveSQL()
}
s.UpdatedAt = time.Now()
ds := datastore.New()
ds.Set("shovey", s.RunID, s)
return nil
}
func (sr *ShoveyRun) save() util.Gerror {
if config.UsingDB() {
return sr.saveSQL()
}
ds := datastore.New()
ds.Set("shovey_run", sr.ShoveyUUID+sr.NodeName, sr)
return nil
}
// GetRun gets a particular node's shovey run associated with this shovey
// instance.
func (s *Shovey) GetRun(nodeName string) (*ShoveyRun, util.Gerror) {
if config.UsingDB() {
return s.getShoveyRunSQL(nodeName)
}
var shoveyRun *ShoveyRun
ds := datastore.New()
sr, found := ds.Get("shovey_run", s.RunID+nodeName)
if !found {
err := util.Errorf("run %s for node %s not found", s.RunID, nodeName)
err.SetStatus(http.StatusNotFound)
return nil, err
}
if sr != nil {
shoveyRun = sr.(*ShoveyRun)
}
return shoveyRun, nil
}
// GetNodeRuns gets all of the ShoveyRuns associated with this shovey instance.
func (s *Shovey) GetNodeRuns() ([]*ShoveyRun, util.Gerror) {
if config.UsingDB() {
return s.getShoveyNodeRunsSQL()
}
var runs []*ShoveyRun
for _, n := range s.NodeNames {
sr, err := s.GetRun(n)
if err != nil {
if err.Status() != http.StatusNotFound {
return nil, err
}
} else {
runs = append(runs, sr)
}
}
return runs, nil
}
// Get a shovey instance with the given run id.
func Get(runID string) (*Shovey, util.Gerror) {
if config.UsingDB() {
return getShoveySQL(runID)
}
var shove *Shovey
ds := datastore.New()
s, found := ds.Get("shovey", runID)
if s != nil {
shove = s.(*Shovey)
}
if !found {
err := util.Errorf("shovey job %s not found", runID)
err.SetStatus(http.StatusNotFound)
return nil, err
}
return shove, nil
}
// Cancel cancels all ShoveyRuns associated with this shovey instance.
func (s *Shovey) Cancel() util.Gerror {
err := s.CancelRuns(s.NodeNames)
if err != nil {
return err
}
s.Status = "cancelled"
err = s.save()
if err != nil {
return err
}
return nil
}
// CancelRuns cancels the shovey runs given in the slice of strings with the
// node names to cancel jobs on.
func (s *Shovey) CancelRuns(nodeNames []string) util.Gerror {
if config.UsingDB() {
err := s.cancelRunsSQL()
if err != nil {
return err
}
} else {
for _, n := range nodeNames {
sr, err := s.GetRun(n)
if err != nil {
return err
}
if sr.Status != "invalid" && sr.Status != "succeeded" && sr.Status != "failed" && sr.Status != "down" && sr.Status != "nacked" {
sr.EndTime = time.Now()
sr.Status = "cancelled"
err = sr.save()
if err != nil {
return err
}
}
}
}
if len(nodeNames) == len(s.NodeNames) {
sort.Strings(nodeNames)
sort.Strings(s.NodeNames)
if reflect.DeepEqual(nodeNames, s.NodeNames) {
s.Status = "cancelled"
s.save()
}
} else {
s.checkCompleted()
}
payload := make(map[string]string)
payload["action"] = "cancel"
payload["run_id"] = s.RunID
payload["time"] = time.Now().Format(time.RFC3339)
sig, serr := s.signRequest(payload)
if serr != nil {
return util.CastErr(serr)
}
payload["signature"] = sig
jsonPayload, _ := json.Marshal(payload)
ackCh := make(chan string, len(nodeNames))
q := &serfclient.QueryParam{Name: "shovey", Payload: jsonPayload, FilterNodes: nodeNames, RequestAck: true, AckCh: ackCh}
err := serfin.Serfer.Query(q)
if err != nil {
return util.CastErr(err)
}
doneCh := make(chan struct{})
go func() {
for c := range ackCh {
logger.Debugf("Received acknowledgement from %s", c)
}
doneCh <- struct{}{}
}()
select {
case <-doneCh:
logger.Infof("All nodes acknowledged cancellation")
// probably do a report here?
case <-time.After(time.Duration(60) * time.Second):
logger.Errorf("Didn't get all acknowledgements within 60 seconds")
}
return nil
}
func (s *Shovey) startJobs() Qerror {
// determine if we meet the quorum
// First is this a percentage or absolute quorum
qnum, err := getQuorum(s.Quorum, len(s.NodeNames))
if err != nil {
return err
}
// query node statuses to see if enough are up
upNodes, nerr := node.GetNodesByStatus(s.NodeNames, "up")
if nerr != nil {
return CastErr(nerr)
}
if len(upNodes) < qnum {
err = Errorf("Not enough nodes were up to execute job %s - got %d, needed at least %d", s.RunID, len(upNodes), qnum)
err.SetStatus("quorum_failed")
// be setting up/down nodes here too
return err
}
// if that all worked, send the commands
errch := make(chan error)
go func() {
tagNodes := make([]string, len(upNodes))
d := make(map[string]bool)
for i, n := range upNodes {
tagNodes[i] = n.Name
d[n.Name] = true
sr := &ShoveyRun{ShoveyUUID: s.RunID, NodeName: n.Name, Status: "created"}
err := sr.save()
if err != nil {
logger.Errorf("error saving shovey run: %s", err.Error())
errch <- err
return
}
}
for _, n := range s.NodeNames {
if !d[n] {
sr := &ShoveyRun{ShoveyUUID: s.RunID, NodeName: n, Status: "down", EndTime: time.Now()}
err := sr.save()
if err != nil {
logger.Errorf("error saving shovey run: %s", err.Error())
errch <- err
return
}
}
}
// make sure this is the right amount of buffering
payload := make(map[string]string)
payload["run_id"] = s.RunID
payload["command"] = s.Command
payload["action"] = "start"
payload["time"] = time.Now().Format(time.RFC3339)
payload["timeout"] = fmt.Sprintf("%d", s.Timeout)
sig, serr := s.signRequest(payload)
if serr != nil {
errch <- serr
return
}
payload["signature"] = sig
jsonPayload, _ := json.Marshal(payload)
ackCh := make(chan string, len(tagNodes))
respCh := make(chan serfclient.NodeResponse, len(tagNodes))
q := &serfclient.QueryParam{Name: "shovey", Payload: jsonPayload, FilterNodes: tagNodes, RequestAck: true, AckCh: ackCh, RespCh: respCh}
qerr := serfin.Serfer.Query(q)
if qerr != nil {
errch <- qerr
return
}
errch <- nil
srCh := make(chan *ShoveyRun, len(upNodes)*2)
go func() {
for sr := range srCh {
sr.save()
}
}()
for i := 0; i < len(upNodes)*2; i++ {
select {
case a := <-ackCh:
if a == "" {
continue
}
sr, err := s.GetRun(a)
if err != nil {
logger.Debugf("err with sr %s: %s", a, err.Error())
continue
}
sr.AckTime = time.Now()
srCh <- sr
case r := <-respCh:
logger.Debugf("got a response: %v", r)
break
case <-time.After(s.Timeout * time.Second):
logger.Debugf("timed out, might not be appropriate")
break
}
}
close(srCh)
logger.Debugf("out of for/select loop for shovey responses")
}()
grerr := <-errch
if grerr != nil {
return CastErr(grerr)
}
return nil
}
func (s *Shovey) checkCompleted() {
if config.UsingDB() {
s.checkCompletedSQL()
return
}
srs, err := s.GetNodeRuns()
if err != nil {
logger.Debugf("Something went wrong checking for job completion: %s", err.Error())
return
}
c := 0
for _, sr := range srs {
if sr.Status == "invalid" || sr.Status == "succeeded" || sr.Status == "failed" || sr.Status == "down" || sr.Status == "nacked" || sr.Status == "cancelled" {
c++
}
}
if c == len(s.NodeNames) {
s.Status = "complete"
s.save()
}
}
// ToJSON formats a shovey instance to render as JSON for the client.
func (s *Shovey) ToJSON() (map[string]interface{}, util.Gerror) {
toJSON := make(map[string]interface{})
toJSON["id"] = s.RunID
toJSON["command"] = s.Command
toJSON["run_timeout"] = s.Timeout
toJSON["status"] = s.Status
toJSON["created_at"] = s.CreatedAt
toJSON["updated_at"] = s.UpdatedAt
tjnodes := make(map[string][]string)
// we can totally do this more efficiently in SQL mode. Do so when we're
// done with in-mem mode
srs, err := s.GetNodeRuns()
if err != nil {
return nil, err
}
for _, sr := range srs {
tjnodes[sr.Status] = append(tjnodes[sr.Status], sr.NodeName)
}
toJSON["nodes"] = tjnodes
return toJSON, nil
}
// AllShoveyIDs returns all shovey run ids.
func AllShoveyIDs() ([]string, util.Gerror) {
if config.UsingDB() {
return allShoveyIDsSQL()
}
ds := datastore.New()
list := ds.GetList("shovey")
return list, nil
}
// GetList returns a list of all shovey ids.
func GetList() []string {
list, _ := AllShoveyIDs()
return list
}
// AllShoveys returns all shovey objects on the server
func AllShoveys() []*Shovey {
var shoveys []*Shovey
if config.UsingDB() {
return allShoveysSQL()
}
shoveList := GetList()
for _, s := range shoveList {
sh, err := Get(s)
if err != nil {
logger.Criticalf(err.Error())
os.Exit(1)
}
shoveys = append(shoveys, sh)
}
return shoveys
}
func AllShoveyRuns() []*ShoveyRun {
var shoveyRuns []*ShoveyRun
shoveys := AllShoveys()
for _, s := range shoveys {
runs, err := s.GetNodeRuns()
if err != nil {
logger.Criticalf(err.Error())
os.Exit(1)
}
shoveyRuns = append(shoveyRuns, runs...)
}
return shoveyRuns
}
func AllShoveyRunStreams() []*ShoveyRunStream {
var streams []*ShoveyRunStream
shoveyRuns := AllShoveyRuns()
outputTypes := []string{"stdout", "stderr"}
for _, sr := range shoveyRuns {
for _, t := range outputTypes {
srs, err := sr.GetStreamOutput(t, 0)
if err != nil {
logger.Criticalf(err.Error())
os.Exit(1)
}
streams = append(streams, srs...)
}
}
return streams
}
// UpdateFromJSON updates a ShoveyRun with the given JSON from the client.
func (sr *ShoveyRun) UpdateFromJSON(srData map[string]interface{}) util.Gerror {
if status, ok := srData["status"].(string); ok {
if status == "invalid" || status == "succeeded" || status == "failed" || status == "nacked" {
sr.EndTime = time.Now()
}
sr.Status = status
} else {
logger.Errorf("status isn't getting set?? type: %T status %v", srData["status"], srData["status"])
}
if errorStr, ok := srData["error"].(string); ok {
sr.Error = errorStr
}
if exitStatus, ok := intify(srData["exit_status"]); ok {
sr.ExitStatus = uint8(exitStatus)
}
err := sr.save()
if err != nil {
return err
}
go sr.notifyParent()
return nil
}
func (sr *ShoveyRun) notifyParent() {
s, _ := Get(sr.ShoveyUUID)
s.checkCompleted()
}
// AddStreamOutput adds a chunk of output from the job to the output list on the
// server stored in the ShoveyRunStream objects.
func (sr *ShoveyRun) AddStreamOutput(output string, outputType string, seq int, isLast bool) util.Gerror {
if config.UsingDB() {
return sr.addStreamOutSQL(output, outputType, seq, isLast)
}
stream := &ShoveyRunStream{ShoveyUUID: sr.ShoveyUUID, NodeName: sr.NodeName, Seq: seq, OutputType: outputType, Output: output, IsLast: isLast, CreatedAt: time.Now()}
ds := datastore.New()
streamKey := fmt.Sprintf("%s_%s_%s_%d", sr.ShoveyUUID, sr.NodeName, outputType, seq)
logger.Debugf("Setting %s", streamKey)
_, found := ds.Get("shovey_run_stream", streamKey)
if found {
err := util.Errorf("sequence %d for %s - %s already exists", seq, sr.ShoveyUUID, sr.NodeName)
err.SetStatus(http.StatusConflict)
return err
}
ds.Set("shovey_run_stream", streamKey, stream)
return nil
}
// GetStreamOutput gets all ShoveyRunStream objects associated with a ShoveyRun
// of the given output type.
func (sr *ShoveyRun) GetStreamOutput(outputType string, seq int) ([]*ShoveyRunStream, util.Gerror) {
if config.UsingDB() {
return sr.getStreamOutSQL(outputType, seq)
}
var streams []*ShoveyRunStream
ds := datastore.New()
for i := seq; ; i++ {
logger.Debugf("Getting %s", fmt.Sprintf("%s_%s_%s_%d", sr.ShoveyUUID, sr.NodeName, outputType, i))
s, found := ds.Get("shovey_run_stream", fmt.Sprintf("%s_%s_%s_%d", sr.ShoveyUUID, sr.NodeName, outputType, i))
if !found {
break
}
logger.Debugf("got a stream: %v", s)
streams = append(streams, s.(*ShoveyRunStream))
}
return streams, nil
}
// CombineStreamOutput combines a ShoveyRun's output streams.
func (sr *ShoveyRun) CombineStreamOutput(outputType string, seq int) (string, util.Gerror) {
// TODO: This could probably be all SQLized and made way simpler when
// using a database. Do see.
stream, err := sr.GetStreamOutput(outputType, seq)
if err != nil {
return "", err
}
sort.Sort(BySeq(stream))
var combinedOutput bytes.Buffer
for _, sitem := range stream {
combinedOutput.WriteString(sitem.Output)
}
return combinedOutput.String(), nil
}
// ToJSON formats a ShoveyRun for marshalling as JSON.
func (sr *ShoveyRun) ToJSON() (map[string]interface{}, util.Gerror) {
var err util.Gerror
toJSON := make(map[string]interface{})
toJSON["run_id"] = sr.ShoveyUUID
toJSON["node_name"] = sr.NodeName
toJSON["status"] = sr.Status
toJSON["ack_time"] = sr.AckTime
toJSON["end_time"] = sr.EndTime
toJSON["error"] = sr.Error
toJSON["exit_status"] = sr.ExitStatus
toJSON["output"], err = sr.CombineStreamOutput("stdout", 0)
if err != nil {
return nil, err
}
toJSON["stderr"], err = sr.CombineStreamOutput("stderr", 0)
if err != nil {
return nil, err
}
return toJSON, nil
}
func getQuorum(quorum string, numNodes int) (int, Qerror) {
var qnum float64
if numNodes == 0 {
err := Errorf("There's no nodes to make a quorum")
err.SetStatus("quorum_failed")
return 0, err
}
m := regexp.MustCompile(`^(\d+\.?\d?)%$`)
z := m.FindStringSubmatch(quorum)
if z != nil {
q, err := strconv.ParseFloat(z[1], 64)
if err != nil {
qerr := CastErr(err)
return 0, qerr
}
qnum = math.Ceil((q / 100.0) * float64(numNodes))
} else {
var err error
qnum, err = strconv.ParseFloat(quorum, 64)
if err != nil {
return 0, CastErr(err)
}
if qnum > float64(numNodes) {
err := Errorf("%f nodes were required for the quorum, but only %d matched the criteria given", qnum, numNodes)
err.SetStatus("quorum_failed")
return 0, err
}
}
return int(qnum), nil
}
func (s *Shovey) signRequest(payload map[string]string) (string, error) {
if payload == nil {
return "", fmt.Errorf("No payload given to sign!")
}
pkeys := make([]string, len(payload))
i := 0
for k := range payload {
pkeys[i] = k
i++
}
sort.Strings(pkeys)
parr := make([]string, len(pkeys))
for u, k := range pkeys {
parr[u] = fmt.Sprintf("%s: %s", k, payload[k])
}
payloadBlock := strings.Join(parr, "\n")
var pk *rsa.PrivateKey
if config.UsingExternalSecrets() {
var err error
pk, err = secret.GetSigningKey(config.Config.VaultShoveyKey)
if err != nil {
return "", err
}
} else {
config.Key.RLock()
defer config.Key.RUnlock()
j := *config.Key.PrivKey
pk = &j
}
sig, err := chefcrypto.SignTextBlock(payloadBlock, pk)
if err != nil {
return "", err
}
return sig, nil
}
// ImportShovey is used to import shovey jobs from the exported JSON dump.
func ImportShovey(shoveyJSON map[string]interface{}) error {
runID := shoveyJSON["id"].(string)
nn := shoveyJSON["nodes"].([]interface{})
nodeNames := make([]string, len(nn))
for i, v := range nn {
nodeNames[i] = v.(string)
}
command := shoveyJSON["command"].(string)
ca := shoveyJSON["created_at"].(string)
createdAt, err := time.Parse(time.RFC3339, ca)
if err != nil {
return nil
}
ua := shoveyJSON["updated_at"].(string)
updatedAt, err := time.Parse(time.RFC3339, ua)
if err != nil {
return nil
}
status := shoveyJSON["status"].(string)
ttmp, _ := intify(shoveyJSON["timeout"])
timeout := time.Duration(ttmp)
quorum := shoveyJSON["quorum"].(string)
s := &Shovey{RunID: runID, NodeNames: nodeNames, Command: command, CreatedAt: createdAt, UpdatedAt: updatedAt, Status: status, Timeout: timeout, Quorum: quorum}
return s.importSave()
}
// ImportShoveyRun is used to import shovey jobs from the exported JSON dump.
func ImportShoveyRun(sRunJSON map[string]interface{}) error {
shoveyUUID := sRunJSON["run_id"].(string)
nodeName := sRunJSON["node_name"].(string)
status := sRunJSON["status"].(string)
var ackTime, endTime time.Time
if at, ok := sRunJSON["ack_time"].(string); ok {
var err error
if ackTime, err = time.Parse(time.RFC3339, at); err != nil {
return err
}
}
if et, ok := sRunJSON["end_time"].(string); ok {
var err error
if endTime, err = time.Parse(time.RFC3339, et); err != nil {
return err
}
}
errMsg := sRunJSON["error"].(string)
extmp, _ := intify(sRunJSON["exit_status"])
exitStatus := uint8(extmp)
sr := &ShoveyRun{ShoveyUUID: shoveyUUID, NodeName: nodeName, Status: status, AckTime: ackTime, EndTime: endTime, Error: errMsg, ExitStatus: exitStatus}
// This can use the normal save function
return sr.save()
}
// ImportShoveyRunStream is used to import shovey jobs from the exported JSON
// dump.
func ImportShoveyRunStream(srStreamJSON map[string]interface{}) error {
shoveyUUID := srStreamJSON["ShoveyUUID"].(string)
nodeName := srStreamJSON["NodeName"].(string)
seqtmp, _ := intify(srStreamJSON["Seq"])
seq := int(seqtmp)
outputType := srStreamJSON["OutputType"].(string)
output := srStreamJSON["Output"].(string)
isLast := srStreamJSON["IsLast"].(bool)
ca := srStreamJSON["CreatedAt"].(string)
createdAt, err := time.Parse(time.RFC3339, ca)
if err != nil {
return err
}
srs := &ShoveyRunStream{ShoveyUUID: shoveyUUID, NodeName: nodeName, Seq: seq, OutputType: outputType, Output: output, IsLast: isLast, CreatedAt: createdAt}
return srs.importSave()
}
func (s *Shovey) importSave() error {
if config.UsingDB() {
return s.importSaveSQL()
}
ds := datastore.New()
ds.Set("shovey", s.RunID, s)
return nil
}
func (srs *ShoveyRunStream) importSave() error {
if config.UsingDB() {
return srs.importSaveSQL()
}
ds := datastore.New()
skey := fmt.Sprintf("%s_%s_%s_%d", srs.ShoveyUUID, srs.NodeName, srs.OutputType, srs.Seq)
ds.Set("shovey_run_stream", skey, srs)
return nil
}
func (s BySeq) Len() int { return len(s) }
func (s BySeq) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s BySeq) Less(i, j int) bool { return s[i].Seq < s[j].Seq }
func intify(i interface{}) (int64, bool) {
var retint int64
var ok bool
switch i := i.(type) {
case json.Number:
j, err := i.Int64()
if err == nil {
retint = j
ok = true
}
case float64:
retint = int64(i)
ok = true
}
return retint, ok
}
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