Start working on scenario files for workload generation

scenario-definition/README.md

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+# Scenario Definition for EshopOnContainers
+
+To use the simulation framework for microservices you have
+to specify a scenario/workload using json (configuration) files.
+
+The configuration files consist of:
+
+- operations: a HTTP request 
+- transactions: multiple operations sequentially chained together
+- scenario: specifies which transactions are run and other workload
+  configuration like distribution, arguments the transaction should use etc.
+  
+  
+The scenario should simulate a workload the microservice application would
+experience during a given timespan in production.
+
+
+
+## Scenario for eshopOnContainers
+
+Arguments and Dynamic Variables for Transactions:
+- userId
+- productId
+
+
+Transactions:
+- Customer reads items, adds item to basket, checkouts basket
+- Customer adds item to basket, removes again, logs out
+- Price update transaction
+- Stock replenished for catalog item
+- Catalog item is removed
+- create Order draft
+- Order cancel
+
+
+
+Workload configuration:
+- dataskew on catalog items (distribution of which items are accessed/bought)
+- distribution between different transactions
+- how many concurrent transactions
+- how many total transactions to be executed

scenario-definition/operations/op_basket_add_item.json

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+{
+  "id": "basket-add-item",
+  "type": "http",
+  "httpMethod": "post",
+  "arguments": [
+    {
+      "name": "items",
+      "required": true,
+      "type": "object"
+    },
+   {
+      "name": "buyerId",
+      "required": true,
+      "type": "guid"
+    },    
+  ],
+  "dynamicVariables": [
+    {
+      "name": "basket-item-id",
+      "type": "unsignedInt"
+    }
+  ]
+  "payload": {
+    "type": "json",
+    "content": {
+      "buyerId": "{{buyerId}}",
+      "items": [
+          "id": "1",
+          "productId": "{{items}}",
+          "productName": "string",
+          "unitPrice": 0,
+          "oldUnitPrice": 0,
+          "quantity": 0,
+          "pictureUrl": ""
+      ]
+    }
+  },
+  "url": "http://localhost:5101/catalog-api/api/v1/Basket"
+}

scenario-definition/operations/op_catalog_add_item.json

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+{
+  "id": "catalog-add-item",
+  "type": "http",
+  "httpMethod": "post",
+  "dynamicVariables": [
+    {
+      "name": "item-name",
+      "type": "string"
+    },
+    {
+      "name": "item-description",
+      "type": "string"
+    },
+    {
+      "name": "price",
+      "type": "unsignedInt"
+    },
+    {
+      "name": "brand-name",
+      "type": "string"
+    },
+    {
+      "name": "available-stock",
+      "type": "unsignedInt"
+    },
+    {
+      "name": "restock-threshold",
+      "type": "unsignedInt"
+    },
+    {
+      "name": "max-stock-threshold",
+      "type": "unsignedInt"
+    }     
+  ]     
+  "payload": {
+    "type": "json",
+    "content": {
+      "id": 0,
+      "name": "{{item-name}}",
+      "description": "{{item-description}}",
+      "price": "{{price}}",
+      "pictureFileName": "",
+      "pictureUri": "",
+      "catalogTypeId": 1,
+      "catalogType": {
+        "id": 0,
+        "type": ""
+      },
+      "catalogBrandId": 1,
+      "catalogBrand": {
+        "id": 1,
+        "brand": "{{brand-name}}"
+      },
+      "availableStock": "{{available-stock}}",
+      "restockThreshold": "{{restock-threshold}}",
+      "maxStockThreshold": "{{max-stock-threshold}}",
+      "onReorder": true
+    }
+  },
+  "url": "http://localhost:5101/catalog-api/api/v1/Catalog/items"
+}

scenario-definition/operations/op_catalog_get_items.json

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+{
+  "id": "catalog-get-items",
+  "type": "http",
+  "httpMethod": "get",
+  "queryParameters": [
+    {
+      "key": "pageSize",
+      "value": 3
+    }
+  ],  
+  "url": "http://localhost:5101/catalog-api/api/v1/Catalog/items"
+}

scenario-definition/transactions/add_items_to_basket.json

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+transaction:
+{
+  "id": "add-items-to-basket",
+    "operations": [
+    {
+      operationRefId: "catalog-get-items",
+      id: "op-1",
+    },
+    {
+      operationRefId: "op-id-2",
+      id: "second-op-in-this-transaction",
+      arguments: [ 
+	userId, 
+	@first-op-in-this-transaction.response.id
+      ]
+    }
+  ]
+}