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Added the ability to start on any node in a workflow

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This commit is contained in:
frikky
2020-06-20 20:30:47 +02:00
parent 6b975c8dde
commit 9ea5ae4de1
5 changed files with 204 additions and 93 deletions
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backend/go-app/walkoff.go
+115 -44
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@@ -255,7 +255,8 @@ type Workflow struct {
Triggers []Trigger `json:"triggers" datastore:"triggers,noindex"`
Schedules []Schedule `json:"schedules" datastore:"schedules,noindex"`
Configuration struct {
ExitOnError bool `json:"exit_on_error" datastore:"exit_on_error"`
ExitOnError bool `json:"exit_on_error" datastore:"exit_on_error"`
StartFromTop bool `json:"start_from_top" datastore:"start_from_top"`
} `json:"configuration,omitempty" datastore:"configuration"`
Errors []string `json:"errors,omitempty" datastore:"errors"`
Tags []string `json:"tags,omitempty" datastore:"tags"`
@@ -414,7 +415,7 @@ func getWorkflowQueue(ctx context.Context, id string) (ExecutionRequestWrapper,
//}
// Frequency = cronjob OR minutes between execution
func createSchedule(ctx context.Context, scheduleId, workflowId, name, frequency string, body []byte) error {
func createSchedule(ctx context.Context, scheduleId, workflowId, name, startNode, frequency string, body []byte) error {
var err error
testSplit := strings.Split(frequency, "*")
cronJob := ""
@@ -448,10 +449,14 @@ func createSchedule(ctx context.Context, scheduleId, workflowId, name, frequency
// FIXME:
// This may run multiple places if multiple servers,
// but that's a future problem
log.Printf("BODY: %s", string(body))
parsedArgument := strings.Replace(string(body), "\"", "\\\"", -1)
bodyWrapper := fmt.Sprintf(`{"start": "%s", "execution_argument": "%s"}`, startNode, parsedArgument)
log.Printf("WRAPPER BODY: \n%s", bodyWrapper)
job := func() {
request := &http.Request{
Method: "POST",
Body: ioutil.NopCloser(strings.NewReader(string(body))),
Body: ioutil.NopCloser(strings.NewReader(bodyWrapper)),
}
_, _, err := handleExecution(workflowId, Workflow{}, request)
@@ -475,7 +480,9 @@ func createSchedule(ctx context.Context, scheduleId, workflowId, name, frequency
schedule := ScheduleOld{
Id: scheduleId,
WorkflowId: workflowId,
StartNode: startNode,
Argument: string(body),
WrappedArgument: bodyWrapper,
Seconds: newfrequency,
CreationTime: timeNow,
LastModificationtime: timeNow,
@@ -708,7 +715,23 @@ func findChildNodes(workflowExecution WorkflowExecution, nodeId string) []string
}
}
return allChildren
// Remove potential duplicates
newNodes := []string{}
for _, tmpnode := range allChildren {
found := false
for _, newnode := range newNodes {
if newnode == tmpnode {
found = true
break
}
}
if !found {
newNodes = append(newNodes, tmpnode)
}
}
return newNodes
}
func handleWorkflowQueue(resp http.ResponseWriter, request *http.Request) {
@@ -789,22 +812,7 @@ func handleWorkflowQueue(resp http.ResponseWriter, request *http.Request) {
// Find underlying nodes and add them
} else {
// Finds ALL childnodes to set them to SKIPPED
tmpNodes := findChildNodes(*workflowExecution, actionResult.Action.ID)
for _, tmpnode := range tmpNodes {
found := false
for _, newnode := range childNodes {
if newnode == tmpnode {
found = true
break
}
}
if !found {
childNodes = append(childNodes, tmpnode)
}
}
childNodes = findChildNodes(*workflowExecution, actionResult.Action.ID)
// Remove duplicates
log.Printf("CHILD NODES: %d", len(childNodes))
for _, nodeId := range childNodes {
@@ -1568,25 +1576,27 @@ func saveWorkflow(resp http.ResponseWriter, request *http.Request) {
resp.Write([]byte(`{"success": false}`))
return
}
//} else if err != nil {
// log.Printf("Error getting item: %v", err)
//} else {
// // FIXME - verify if value is ok? Can unmarshal etc.
// err = json.Unmarshal(item.Value, &workflowApps)
// if err != nil {
// log.Printf("Failed unmarshaling allworkflowapps from memcache: %s", err)
// resp.WriteHeader(401)
// resp.Write([]byte(`{"success": false}`))
// return
// }
// if userErr == nil && len(user.PrivateApps) > 0 {
// workflowApps = append(workflowApps, user.PrivateApps...)
// }
//}
// Started getting the single apps, but if it's weird, this is faster
log.Println("Apps set done")
// 1. Check workflow.Start
// 2. Check if any node has "isStartnode"
if len(workflow.Actions) > 0 {
index := -1
for indexFound, action := range workflow.Actions {
//log.Println("Apps set done")
if workflow.Start == action.ID {
index = indexFound
}
}
if index >= 0 {
workflow.Actions[0].IsStartNode = true
} else {
resp.WriteHeader(401)
resp.Write([]byte(fmt.Sprintf(`{"success": false, "reason": "You need to set a startnode."}`)))
return
}
}
// Check every app action and param to see whether they exist
newActions = []Action{}
@@ -1982,7 +1992,7 @@ func handleExecution(id string, workflow Workflow, request *http.Request) (Workf
//log.Printf("Execution data: %#v", execution)
if len(execution.Start) == 36 {
log.Printf("SHOULD START ON NODE %s", execution.Start)
workflow.Start = execution.Start
workflowExecution.Start = execution.Start
found := false
for _, action := range workflow.Actions {
@@ -1995,6 +2005,10 @@ func handleExecution(id string, workflow Workflow, request *http.Request) (Workf
log.Printf("ACTION %s WAS NOT FOUND!", workflow.Start)
return WorkflowExecution{}, fmt.Sprintf("Startnode %s was not found in actions", workflow.Start), errors.New(fmt.Sprintf("Startnode %s was not found in actions", workflow.Start))
}
} else if len(execution.Start) > 0 {
log.Printf("START ACTION %s IS WRONG ID LENGTH %d!", len(execution.Start))
return WorkflowExecution{}, fmt.Sprintf("Startnode %s was not found in actions", execution.Start), errors.New(fmt.Sprintf("Startnode %s was not found in actions", execution.Start))
}
if len(execution.ExecutionId) == 36 {
@@ -2080,9 +2094,10 @@ func handleExecution(id string, workflow Workflow, request *http.Request) (Workf
makeNew = false
}
// Don't override workflow defaults
if startok {
log.Printf("Setting start to %s based on query!", start[0])
workflowExecution.Workflow.Start = start[0]
//workflowExecution.Workflow.Start = start[0]
workflowExecution.Start = start[0]
}
@@ -2134,9 +2149,18 @@ func handleExecution(id string, workflow Workflow, request *http.Request) (Workf
//}
//log.Println(string(mappedData))
log.Printf("STARTNODE: %s", workflowExecution.Start)
if len(workflowExecution.Start) == 0 {
workflowExecution.Start = workflowExecution.Workflow.Start
}
childNodes := findChildNodes(workflowExecution, workflowExecution.Start)
topic := "workflows"
// FIXME - remove this?
newActions := []Action{}
defaultResults := []ActionResult{}
for _, action := range workflowExecution.Workflow.Actions {
action.LargeImage = ""
//log.Println(action.Environment)
@@ -2144,15 +2168,47 @@ func handleExecution(id string, workflow Workflow, request *http.Request) (Workf
if action.Environment == "" {
return WorkflowExecution{}, fmt.Sprintf("Environment is not defined for %s", action.Name), errors.New("Environment not defined!")
}
newActions = append(newActions, action)
}
workflowExecution.Workflow.Actions = newActions
//log.Printf("%#v", workflowExecution.Workflow.Actions)
newActions = append(newActions, action)
// If the node is NOT found, it's supposed to be set to SKIPPED,
// as it's not a childnode of the startnode
// This is a configuration item for the workflow itself.
if !workflowExecution.Workflow.Configuration.StartFromTop {
found := false
for _, nodeId := range childNodes {
if nodeId == action.ID {
//log.Printf("Found %s", action.ID)
found = true
}
}
if !found {
if action.ID == workflowExecution.Start {
continue
}
log.Printf("Should set %s to SKIPPED as it's NOT a childnode of the startnode.", action.ID)
defaultResults = append(defaultResults, ActionResult{
Action: action,
ExecutionId: workflowExecution.ExecutionId,
Authorization: workflowExecution.Authorization,
Result: "Skipped because it's not under the startnode",
StartedAt: 0,
CompletedAt: 0,
Status: "SKIPPED",
})
}
}
}
// Verification for execution environments
workflowExecution.Results = defaultResults
workflowExecution.Workflow.Actions = newActions
onpremExecution := false
environments := []string{}
// Check if the actions are children of the startnode?
for _, action := range workflowExecution.Workflow.Actions {
if action.Environment != cloudname {
found := false
@@ -2454,7 +2510,7 @@ func deleteSchedule(ctx context.Context, id string) error {
return err
} else {
if value, exists := scheduledJobs[id]; exists {
log.Printf("STOP THIS ONE: %s", value)
log.Printf("STOPPING THIS SCHEDULE: %s", id)
// Looks like this does the trick? Hurr
value.Lock()
} else {
@@ -2567,6 +2623,20 @@ func scheduleWorkflow(resp http.ResponseWriter, request *http.Request) {
return
}
// Finds the startnode for the specific schedule
startNode := ""
for _, branch := range workflow.Branches {
if branch.SourceID == schedule.Id {
startNode = branch.DestinationID
}
}
if startNode == "" {
startNode = workflow.Start
}
log.Printf("Startnode: %s", startNode)
if len(schedule.Id) != 36 {
log.Printf("ID length is not 36 for schedule: %s", err)
resp.WriteHeader(http.StatusInternalServerError)
@@ -2612,6 +2682,7 @@ func scheduleWorkflow(resp http.ResponseWriter, request *http.Request) {
schedule.Id,
workflow.ID,
schedule.Name,
startNode,
schedule.Frequency,
[]byte(parsedBody),
)