Dockerfile for scheduler

.gitignore

@@ -23,5 +23,5 @@ go.work
 
 __debug_bin
 
-workflows_argo/
+argo_workflows/*
 *.xml

Dockerfile

@@ -0,0 +1,18 @@
+FROM golang:alpine AS builder
+LABEL maintainer="IRT PFN"
+ENV DOCKER_ENVIRONMENT=true
+WORKDIR /app
+
+COPY . .
+COPY conf/docker_scheduler.json /etc/oc/scheduler.json
+
+RUN go build .
+
+FROM golang:alpine
+WORKDIR /app
+
+COPY --from=builder /app/oc-scheduler .
+COPY conf/docker_scheduler.json /etc/oc/scheduler.json
+
+ENTRYPOINT ["/app/oc-scheduler"]
+

conf/conf.go

@@ -0,0 +1,59 @@
+package conf
+
+import (
+	"sync"
+
+	"github.com/beego/beego/logs"
+	"github.com/goraz/onion"
+)
+
+type Config struct {
+	OcCatalogUrl 	string
+	Logs 			string
+}
+
+var instance *Config
+var once sync.Once
+
+const defaultConfigFile = "/app/conf/scheduler.json"
+const localConfigFile = "./conf/local_scheduler.json"
+
+
+func init(){
+	
+	configFile := ""
+	var o *onion.Onion
+
+	l3 := onion.NewEnvLayerPrefix("_", "OCSCHEDULER_")
+	l2, err := onion.NewFileLayer(defaultConfigFile, nil)
+	if err == nil {
+		logs.Info("Config file found : " + defaultConfigFile)
+		configFile = defaultConfigFile
+	}
+	l1, err := onion.NewFileLayer(localConfigFile, nil)
+	if err == nil {
+		logs.Info("Local config file found " + localConfigFile + ", overriding default file")
+		configFile = localConfigFile
+	}
+	if configFile == "" {
+		logs.Info("No config file found, using env")
+		o = onion.New(l3)
+	} else if l1 == nil && l2 == nil {
+		o = onion.New(l1, l2, l3)
+	} else if l1 == nil {
+		o = onion.New(l2, l3)
+	} else if l2 == nil {
+		o = onion.New(l1, l3)
+	}
+
+	GetConfig().OcCatalogUrl = o.GetStringDefault("oc-catalog", "https://localhost:49618")
+	GetConfig().Logs = o.GetStringDefault("loglevel", "info")
+	
+}
+
+func GetConfig() *Config {
+	once.Do(func() {
+		instance = &Config{}
+	})
+	return instance
+}

conf/docker_scheduler.json

@@ -0,0 +1,3 @@
+{
+    "oc-catalog" : "http://oc-catalog:49618/"
+}

conf/local_scheduler.json

@@ -0,0 +1,3 @@
+{
+    "oc-catalog" : "http://localhost:49618/"
+}

docs/classe_scheduler.puml

@@ -0,0 +1,86 @@
+@startuml
+namespace main {
+    class ArgoBuilder << (S,Aquamarine) >> {
+        - graph Graph
+        - branches [][]string
+
+        + Workflow Workflow
+
+        - createTemplates() 
+        - createDAGstep() 
+        - createVolumes() 
+        - getDependency(current_computing_id string) []string
+
+        + CreateDAG() bool
+
+    }
+    class Container << (S,Aquamarine) >> {
+        + Image string
+        + Command []string
+        + Args []string
+        + VolumeMounts []VolumeMount
+
+    }
+    class Dag << (S,Aquamarine) >> {
+        + Tasks []Task
+
+    }
+
+    class Link << (S,Aquamarine) >> {
+        + Src string
+        + Dst string
+
+    }
+    class Parameter << (S,Aquamarine) >> {
+        + Name string
+        + Value string
+
+    }
+    class Spec << (S,Aquamarine) >> {
+        + Entrypoint string
+        + Arguments []Parameter
+        + Volumes []VolumeClaimTemplate
+        + Templates []Template
+
+    }
+    class Task << (S,Aquamarine) >> {
+        + Name string
+        + Template string
+        + Dependencies []string
+        + Arguments <font color=blue>struct</font>{[]Parameter}
+
+    }
+    class Template << (S,Aquamarine) >> {
+        + Name string
+        + Inputs <font color=blue>struct</font>{[]Parameter}
+        + Container Container
+        + Dag Dag
+
+    }
+    class VolumeClaimTemplate << (S,Aquamarine) >> {
+        + Metadata <font color=blue>struct</font>{string}
+        + Spec VolumeSpec
+
+    }
+    class VolumeMount << (S,Aquamarine) >> {
+        + Name string
+        + MountPath string
+
+    }
+    class VolumeSpec << (S,Aquamarine) >> {
+        + AccessModes []string
+        + Resources <font color=blue>struct</font>{<font color=blue>struct</font>{string}}
+
+    }
+
+    class Workflow << (S,Aquamarine) >> {
+        + ApiVersion string
+        + Kind string
+        + Metadata <font color=blue>struct</font>{string}
+        + Spec Spec
+
+    }
+}
+
+
+@enduml

go.mod

@@ -16,6 +16,7 @@ require (
 	github.com/Klathmon/StructToMap v0.0.0-20140724123129-3d0229e2dce7 // indirect
 	github.com/antihax/optional v1.0.0 // indirect
 	github.com/aws/aws-sdk-go v1.36.29 // indirect
+	github.com/beego/beego v1.12.12 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/go-stack/stack v1.8.0 // indirect

go.sum

@@ -33,6 +33,7 @@ github.com/aws/aws-sdk-go v1.34.28/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/
 github.com/aws/aws-sdk-go v1.36.29 h1:lM1G3AF1+7vzFm0n7hfH8r2+750BTo+6Lo6FtPB7kzk=
 github.com/aws/aws-sdk-go v1.36.29/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
+github.com/beego/beego v1.12.12 h1:ARY1sNVSS23N0mEQIhSqRDTyyDlx95JY0V3GogBbZbQ=
 github.com/beego/beego v1.12.12/go.mod h1:QURFL1HldOcCZAxnc1cZ7wrplsYR5dKPHFjmk6WkLAs=
 github.com/beego/beego/v2 v2.0.1/go.mod h1:8zyHi1FnWO1mZLwTn62aKRIZF/aIKvkCBB2JYs+eqQI=
 github.com/beego/beego/v2 v2.2.0 h1:x2yCNL9x74vqAXRdFBw5HCzB8AwownALpBWEOitivow=

main.go

@@ -5,7 +5,8 @@ import (
 	"os"
 	"time"
 
-	"github.com/goraz/onion"
+	conf "oc-scheduler/conf"
+
 	"github.com/rs/zerolog"
 )
 
@@ -15,18 +16,8 @@ func main() {
 	output := zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339}
 	log = zerolog.New(output).With().Timestamp().Logger()
 
-	var o *onion.Onion
-	l2 := onion.NewEnvLayerPrefix("_", "OC-SCHED")
-	l1, err := onion.NewFileLayer("config.json", nil)
-	if err != nil {
-		log.Info().Msg("no config file found, using env")
-		o = onion.New(l2)
-	} else {
-		o = onion.New(l1, l2)
-	}
-	loglevel := o.GetStringDefault("loglevel", "info")
-	apiurl := o.GetStringDefault("apiurl", "http://localhost:49618/")
-	_ = loglevel
+	app_conf := conf.GetConfig()
+	apiurl := app_conf.OcCatalogUrl
 	
 	var g Graph