refactor dependencies retrieval
This commit is contained in:
parent
aaac37a883
commit
010b659858
194
main.go
194
main.go
@ -1,57 +1,90 @@
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package main
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"os"
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"os/exec"
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"regexp"
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"strings"
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"oc-monitor/conf"
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"oc-monitor/models"
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"oc-monitor/workflow_builder"
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oclib "cloud.o-forge.io/core/oc-lib"
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"cloud.o-forge.io/core/oc-lib/logs"
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"github.com/akamensky/argparse"
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"github.com/google/uuid"
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"github.com/goraz/onion"
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"github.com/rs/zerolog"
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)
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var logger zerolog.Logger
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var wf_logger zerolog.Logger
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var parser argparse.Parser
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var monitorLocal bool
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var workflowName string
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const defaultConfigFile = "/etc/oc/ocmonitor_conf.json"
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const localConfigFile = "./conf/ocmonitor_conf.json"
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func main() {
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monitorLocal = false
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// Test if monitor is launched outside (with parameters) or in a k8s environment (env variables sets)
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if os.Getenv("KUBERNETES_SERVICE_HOST") == ""{
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// Not in a k8s environment, get conf from parameters
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fmt.Println("Executes outside of k8s")
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parser = *argparse.NewParser("oc-monitor","Launch the execution of a workflow given as a parameter and sends the produced logs to a loki database")
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loadConfig(false, &parser)
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} else {
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// Executed in a k8s environment
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fmt.Println("Executes inside a k8s")
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monitorLocal = true
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loadConfig(true,nil)
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}
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logs.SetAppName("oc-monitor")
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logger = logs.CreateLogger("oc-monitor", conf.GetConfig().LokiURL)
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logger.Debug().Msg("Loki URL : " + conf.GetConfig().LokiURL)
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logger.Debug().Msg("Filename : " + conf.GetConfig().ArgoFile)
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logger.Debug().Msg("Container Name : " + conf.GetConfig().ContainerName)
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// Wait for the argo file to be copied to the pod
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wf_found := false
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for(!wf_found){
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if _, err := os.Stat("./workflows/" + conf.GetConfig().ArgoFile); err == nil {
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wf_found = true
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logger.Debug().Msg("Loki URL : " + conf.GetConfig().LokiURL)
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logger.Debug().Msg("Workflow executed : " + conf.GetConfig().WorkflowID)
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oclib.SetConfig(conf.GetConfig().MongoUrl,conf.GetConfig().Database)
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oclib.Init("oc-monitor")
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// create argo
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new_wf := workflow_builder.WorflowDB{}
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err := new_wf.LoadFrom(conf.GetConfig().WorkflowID)
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if err != nil {
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logger.Error().Msg("Could not retrieve workflow " + conf.GetConfig().WorkflowID + " from oc-catalog API")
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}
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argo_file_path, err := new_wf.ExportToArgo()
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if err != nil {
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logger.Error().Msg("Could not create the Argo file for " + conf.GetConfig().WorkflowID )
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logger.Error().Msg(err.Error())
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}
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logger.Debug().Msg("Submitting the argo workflow : " + conf.GetConfig().ArgoFile)
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logger.Debug().Msg("Created :" + argo_file_path)
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workflowName = getContainerName(argo_file_path)
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wf_logger = logger.With().Str("argo_name", workflowName).Str("workflow_id",conf.GetConfig().WorkflowID).Logger()
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wf_logger.Debug().Msg("Testing argo name")
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executeWorkflow(argo_file_path)
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// logger.Info().Msg(string(output))
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// // Initialize LokiLogger
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// lokiLogger := NewLokiLogger("http://localhost:3100/loki/api/v1/push") // Replace with your Loki URL
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// Run the Argo command
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// cmd := exec.Command("argo", "submit", "your-workflow.yaml")
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// output, err := cmd.CombinedOutput()
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// if err != nil {
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// log.Fatalf("failed to run Argo command: %v", err)
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// }
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// logger.Info().Msg(string(output))
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// // Send logs to Loki
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@ -62,10 +95,111 @@ func main() {
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log.Println("Logs sent to Loki successfully.")
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}
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func executeWorkflow(argo_file_path string) {
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var stdout, stderr io.ReadCloser
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var err error
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cmd := exec.Command("argo", "submit", "--watch", "argo_workflows/"+argo_file_path, "--serviceaccount=argo", "-n", "argo")
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if stdout, err = cmd.StdoutPipe(); err != nil{
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wf_logger.Error().Msg("Could not retrieve stdoutpipe " + err.Error())
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return
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}
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if stderr, err = cmd.StderrPipe(); err != nil{
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wf_logger.Error().Msg("Could not retrieve stderrpipe " + err.Error())
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return
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}
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if err := cmd.Start(); err != nil {
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panic(err)
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}
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go logWorkflow(stdout)
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go logWorkflow(stderr)
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if err := cmd.Wait(); err != nil {
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wf_logger.Error().Msg("Could not execute argo submit")
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}
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// Function to log the logs generated by the pods
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// logPods(need to retrieve the name of the workflow) {
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// executes "argo logs nameWorkflow"
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// returns the output to a logging method
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//}
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}
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// We could improve this function by creating an object with the same attribute as the output
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// and only send a new log if the current object has different values than the previous
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func logWorkflow(pipe io.ReadCloser) {
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var current_watch, previous_watch models.ArgoWatch
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watch_output := make([]string,0)
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scanner := bufio.NewScanner(pipe)
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for scanner.Scan() {
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log := scanner.Text()
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watch_output = append(watch_output, log)
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if(strings.HasPrefix(log, "Progress:")){
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current_watch = *models.NewArgoLogs(watch_output)
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if(!current_watch.Equals(previous_watch)){
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jsonified, err := json.Marshal(current_watch)
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if err != nil {
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logger.Error().Msg("Could not create watch log")
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}
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wf_logger.Info().Msg(string(jsonified))
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previous_watch = current_watch
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}
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}
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}
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}
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func loadConfig(is_k8s bool, parser *argparse.Parser){
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var o *onion.Onion
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o = initOnion(o)
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conf.GetConfig().OcCatalogUrl = o.GetStringDefault("oc-catalog","https://localhost:8087")
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// These variables can only be retrieved in the onion
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// Variables that don't depend on the environmen (from conf file), can be loaded after
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// We can't use underscore in the env variable names because it's the delimitor with OCMONITOR too
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setConf(is_k8s, o, parser)
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if (!IsValidUUID(conf.GetConfig().WorkflowID)){
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logger.Fatal().Msg("Provided ID is not an UUID")
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}
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}
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func setConf(is_k8s bool, o *onion.Onion, parser *argparse.Parser) {
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if is_k8s {
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conf.GetConfig().LokiURL = o.GetStringDefault("lokiurl", "http://127.0.0.1:3100")
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conf.GetConfig().WorkflowID = o.GetString("workflow")
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conf.GetConfig().LokiURL = o.GetStringDefault("mongourl", "mongodb://127.0.0.1:27017")
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conf.GetConfig().Database = o.GetStringDefault("database", "DC_myDC")
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} else {
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url := parser.String("u", "url", &argparse.Options{Required: true, Default: "http://127.0.0.1:3100", Help: "Url to the Loki database logs will be sent to"})
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workflow := parser.String("w", "workflow", &argparse.Options{Required: true, Help: "Name of the workflow to request from oc-catalog API"})
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mongo := parser.String("m", "mongo", &argparse.Options{Required: true, Help: "URL to reach the MongoDB"})
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db := parser.String("d", "database", &argparse.Options{Required: true, Help: "Name of the database to query in MongoDB"})
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err := parser.Parse(os.Args)
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if err != nil {
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fmt.Println(parser.Usage(err))
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os.Exit(1)
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}
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conf.GetConfig().LokiURL = *url
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conf.GetConfig().WorkflowID = *workflow
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conf.GetConfig().MongoUrl = *mongo
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conf.GetConfig().Database = *db
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}
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}
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func initOnion(o *onion.Onion) *onion.Onion {
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logger = logs.CreateLogger("oc-monitor", "")
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configFile := ""
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@ -90,26 +224,18 @@ func loadConfig(is_k8s bool, parser *argparse.Parser){
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} else if l2 == nil {
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o = onion.New(l1, l3)
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}
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// These variables can only be retrieved in the onion
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// Variables that don't depend on the environmen (from conf file), can be loaded after
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if (is_k8s){
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// We can't use underscore in the env variable names because it's the delimitor with OCMONITOR too
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conf.GetConfig().LokiURL = o.GetStringDefault("lokiurl", "http://127.0.0.1:3100")
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conf.GetConfig().ArgoFile = o.GetString("argofile")
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conf.GetConfig().ContainerName = o.GetString("containername")
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} else{
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url := parser.String("u", "url", &argparse.Options{Required: true,Default: "http://127.0.0.1:3100"})
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conf.GetConfig().LokiURL = *url
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file := parser.String("f", "file", &argparse.Options{Required: true})
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conf.GetConfig().ArgoFile = *file
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name := parser.String("n", "name", &argparse.Options{Required: true})
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conf.GetConfig().ContainerName = *name
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err := parser.Parse(os.Args)
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if err != nil {
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logger.Fatal().Msg(parser.Usage(err))
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return o
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}
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func IsValidUUID(u string) bool {
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_, err := uuid.Parse(u)
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return err == nil
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}
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func getContainerName(argo_file string) string {
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regex := "([a-zA-Z]+-[a-zA-Z]+)"
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re := regexp.MustCompile(regex)
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container_name := re.FindString(argo_file)
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return container_name
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}
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@ -9,7 +9,6 @@ import (
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"oc-monitor/logger"
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. "oc-monitor/models"
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"os"
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"slices"
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"strings"
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"time"
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@ -21,7 +20,6 @@ import (
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type ArgoBuilder struct {
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graph graph.Graph
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branches [][]int
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Workflow Workflow
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}
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@ -42,7 +40,6 @@ type Spec struct {
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}
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func (b *ArgoBuilder) CreateDAG() (string, error) {
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fmt.Println("list of branches : ", b.branches)
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b.createTemplates()
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b.createDAGstep()
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@ -52,7 +49,7 @@ func (b *ArgoBuilder) CreateDAG() (string, error) {
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b.Workflow.ApiVersion = "argoproj.io/v1alpha1"
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b.Workflow.Kind = "Workflow"
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random_name := generateWfName()
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b.Workflow.Metadata.GenerateName = "oc-test-" + random_name
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b.Workflow.Metadata.GenerateName = "oc-monitor-" + random_name
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yamlified, err := yaml.Marshal(b.Workflow)
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if err != nil {
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@ -147,20 +144,14 @@ func (b *ArgoBuilder) createVolumes() {
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}
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func (b *ArgoBuilder) getDependency(current_computing_id string) (dependencies []string) {
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var dependencies_id []string
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for _, link := range b.graph.Links {
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source := b.graph.Items[link.Source.ID].Processing // Instead of searching for the AbstractResource we load the Processing pointer and test if it's nil to know if the item is a processing
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if current_computing_id == link.Destination.ID && source != nil && !slices.Contains(dependencies_id, link.Source.ID) {
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dependencies_id = append(dependencies_id, link.Source.ID)
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}
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}
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for _, dependency := range dependencies_id {
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source := b.graph.Items[dependency].Processing
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dependency_name := getArgoName(source.GetName(), dependency)
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source := b.graph.Items[link.Source.ID].Processing
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if current_computing_id == link.Destination.ID && source != nil {
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dependency_name := getArgoName(source.GetName(), link.Source.ID)
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dependencies = append(dependencies, dependency_name)
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}
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}
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return
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@ -217,9 +208,7 @@ func getComputingArgs(user_input []string, command string) (list_args []string)
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return
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}
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for _, arg := range user_input {
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list_args = append(list_args, arg)
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}
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list_args = append(list_args, user_input...)
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return
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}
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@ -313,3 +302,4 @@ func getStringValue(comp resource_model.AbstractResource, key string) string {
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}
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return ""
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}
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@ -3,7 +3,6 @@ package workflow_builder
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import (
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"errors"
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"fmt"
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"maps"
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"oc-monitor/logger"
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models "oc-monitor/models"
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@ -18,7 +17,6 @@ import (
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type WorflowDB struct {
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workflow_name string // used to test if the graph has been instatiated, private so can only be set by a graph's method
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graph *graph.Graph
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links map[int]graph.GraphLink
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ws models.HttpQuery
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}
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@ -31,7 +29,6 @@ func (w *WorflowDB) LoadFrom(workflow_id string) error {
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}
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w.graph = new_wf.Graph
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w.links = w.getLinks()
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w.workflow_name = new_wf.Name
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@ -57,43 +54,13 @@ func (w *WorflowDB) getWorkflow( workflow_id string) (workflow *workflow.Workflo
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}
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func (w *WorflowDB) getLinks() map[int]graph.GraphLink {
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links := make(map[int]graph.GraphLink)
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for i, link := range(w.graph.Links) {
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links[i] = link
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}
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return links
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}
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func (w *WorflowDB) ExportToArgo() (string, error) {
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if len(w.workflow_name) == 0 || &w.graph == nil {
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return "",fmt.Errorf("can't export a graph that has not been loaded yet")
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}
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end_links := make(map[int]graph.GraphLink)
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for i, link := range w.links {
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if (!w.isDCLink(i) && !w.isSource(link.Destination.ID,i)){
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end_links[i] = link
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}
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}
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// index_list := make([]int, len(w.links))
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// list_branches := make([][]string,0)
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list_branches := w.getListBranches(end_links, nil,nil)
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// for _, branch := range list_branches{
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// str := ""
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// for _, link := range branch{
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// str = str + " --> " + w.getComponentName(w.graph.Links[link].Source) + " linked with " + w.getComponentName(w.links[link].Destination)
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// }
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// fmt.Println(str)
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// }
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fmt.Println("Identified branches : ", list_branches)
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argo_builder := ArgoBuilder{graph : *w.graph, branches: list_branches}
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argo_builder := ArgoBuilder{graph : *w.graph}
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filename, err := argo_builder.CreateDAG()
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if err != nil {
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logger.Logger.Error().Msg("Could not create the argo file for " + w.workflow_name)
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@ -102,46 +69,6 @@ func (w *WorflowDB) ExportToArgo() (string, error) {
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return filename, nil
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}
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// Return a list containing the IDs of each link that make up a branch in the graph
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func (w *WorflowDB) getListBranches(end_links map[int]graph.GraphLink, unvisited_links_list map[int]graph.GraphLink, current_branch []int) (list_branches [][]int) {
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if current_branch == nil {
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current_branch = make([]int, 0)
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}
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if unvisited_links_list == nil {
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unvisited_links_list = make(map[int]graph.GraphLink,len(w.graph.Links))
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maps.Copy(unvisited_links_list,w.links)
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fmt.Println(unvisited_links_list)
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}
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for link_id, _ := range end_links {
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j := link_id
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new_branches := make([][]int,0)
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previous_index := w.getPreviousLink(j, unvisited_links_list)
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if len(previous_index) == 0 {
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list_branches = append(list_branches, []int{link_id})
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}
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for _, id_link := range previous_index {
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current_branch = append([]int{link_id},current_branch...)
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delete(unvisited_links_list, link_id)
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// create a new branch for each previous link, appending the current path to this node to the created branch
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new_end_link := make(map[int]graph.GraphLink,0)
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new_end_link[id_link] = w.links[id_link]
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new_branches = w.getListBranches(new_end_link,unvisited_links_list,current_branch)
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for _, new_branch := range new_branches{
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current_branch = append(new_branch,link_id)
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list_branches = append(list_branches, current_branch)
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}
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}
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}
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return
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}
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func (w *WorflowDB) ExportToHelm(id string) error {
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return nil
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@ -150,7 +77,7 @@ func (w *WorflowDB) ExportToHelm(id string) error {
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// Return if it exists a link where Destination is the same as comp_id
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func (w *WorflowDB) isDestination(comp_id string,link_id int) bool {
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for i, link := range w.links{
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for i, link := range w.graph.Links{
|
||||
if(i !=link_id && link.Destination.ID == comp_id){
|
||||
return true
|
||||
}
|
||||
@ -163,7 +90,7 @@ func (w *WorflowDB) isDestination(comp_id string,link_id int) bool {
|
||||
// Return if it exists a link where Source is the same as comp_id
|
||||
func (w *WorflowDB) isSource(comp_id string, link_id int) bool {
|
||||
|
||||
for i, link := range w.links{
|
||||
for i, link := range w.graph.Links{
|
||||
if(i !=link_id && link.Source.ID == comp_id && !w.isDCLink(i)){
|
||||
return true
|
||||
}
|
||||
@ -173,20 +100,6 @@ func (w *WorflowDB) isSource(comp_id string, link_id int) bool {
|
||||
|
||||
}
|
||||
|
||||
// Returns an index number if their is a link in w.links
|
||||
// with the same Destination id that the Source id in w.links[linkIndex]
|
||||
// or nil if not
|
||||
|
||||
func (w *WorflowDB) getPreviousLink(link_id int,map_link map[int]graph.GraphLink) (previous_id []int) {
|
||||
for k, link := range map_link{
|
||||
if(k != link_id && link.Destination == w.links[link_id].Source){
|
||||
previous_id = append(previous_id, k)
|
||||
}
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
|
||||
|
||||
// returns either computing, data or storage
|
||||
@ -228,7 +141,7 @@ func (w *WorflowDB) getComponentByType(compType string, link graph.GraphLink) (i
|
||||
}
|
||||
|
||||
func (w *WorflowDB) isDCLink(link_id int) bool {
|
||||
link := w.links[link_id]
|
||||
link := w.graph.Links[link_id]
|
||||
|
||||
dest := w.graph.Items[link.Destination.ID]
|
||||
dest_id := dest.GetAbstractRessource().GetID()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user