Add in Data Contract CLI example

Author: pflooky

docker/mount/datacontract-cli/datacontract.yaml

@@ -0,0 +1,53 @@
+dataContractSpecification: 0.9.3
+id: covid_cases
+info:
+  title: COVID-19 cases
+  description: Johns Hopkins University Consolidated data on COVID-19 cases, sourced from Enigma
+  version: "0.0.1"
+  links:
+    blog: https://aws.amazon.com/blogs/big-data/a-public-data-lake-for-analysis-of-covid-19-data/
+    data-explorer: https://dj2taa9i652rf.cloudfront.net/
+    data: https://covid19-lake.s3.us-east-2.amazonaws.com/enigma-jhu/json/part-00000-adec1cd2-96df-4c6b-a5f2-780f092951ba-c000.json
+servers:
+  s3-json:
+    type: s3
+    location: s3://covid19-lake/enigma-jhu/json/*.json
+    format: json
+    delimiter: new_line
+models:
+  covid_cases:
+    description: the number of confirmed covid cases reported for a specified region, with location and county/province/country information.
+    fields:
+      fips:
+        type: string
+        description: state and county two digits code
+      admin2:
+        type: string
+        description: county name
+      province_state:
+        type: string
+        description: province name or state name
+      country_region:
+        type: string
+        description: country name or region name
+      last_update:
+        type: timestamp_ntz
+        description: last update timestamp
+      latitude:
+        type: double
+        description: location (latitude)
+      longitude:
+        type: double
+        description: location (longitude)
+      confirmed:
+        type: int
+        description: number of confirmed cases
+      combined_key:
+        type: string
+        description: county name+state name
+quality:
+  type: SodaCL
+  specification:
+    checks for covid_cases:
+      - freshness(last_update::datetime) < 5000d   # dataset is not updated anymore
+      - row_count > 1000

src/main/scala/io/github/datacatering/plan/AdvancedDataContractCliPlanRun.scala

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+package io.github.datacatering.plan
+
+import io.github.datacatering.datacaterer.api.PlanRun
+
+class AdvancedDataContractCliPlanRun extends PlanRun {
+
+  val accountTask = csv("customer_accounts", "/opt/app/data/customer/account-datacontract-cli", Map("header" -> "true"))
+    .schema(metadataSource.dataContractCli("/opt/app/mount/datacontract-cli/datacontract.yaml"))
+    .schema(
+      field.name("latitude").min(-90).max(90),
+      field.name("longitude").min(-180).max(180),
+      field.name("country_region").expression("#{Address.state}")
+    )
+    .count(count.records(100))
+
+  val conf = configuration.enableGeneratePlanAndTasks(true)
+    .generatedReportsFolderPath("/opt/app/data/report")
+
+  execute(conf, accountTask)
+}