make: build from YAML config

To build a dashboard from YAML config, run
```
CONFIG=config.yml make build
```

Part of #206
Part of #207

Author: DifferentialOrange

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Option to skip Prometheus job on static build
 - Option to static build with custom set of sections
 - Custom description and Grafana tags on manual build
+- API to build a dashboard from YAML config
 
 ### Changed
 - Display two digits after decimal point instead of three

Makefile

@@ -3,6 +3,7 @@ POLICY ?= autogen
 MEASUREMENT ?= tarantool_http
 WITH_INSTANCE_VARIABLE ?= FALSE
 OUTPUT_STATIC_DASHBOARD ?= dashboard.json
+OUTPUT ?= dashboard.json
 TITLE ?= 
 
 .PHONY: build-deps
@@ -12,6 +13,17 @@ build-deps:
 	jb install
 
 
+.PHONY: build
+build:
+ifndef CONFIG
+	@echo 1>&2 "CONFIG=config.yml must be set"
+		false
+endif
+	jsonnet -J ./vendor -J . \
+		-e "local build = import 'dashboard/build/from_config.libsonnet'; local file = importstr '${CONFIG}'; build(std.parseYaml(file))" \
+		-o ${OUTPUT}
+
+
 _build-static-prometheus:
 ifndef DATASOURCE
 	@echo 1>&2 "DATASOURCE must be set"

dashboard/build/dashboard_raw.libsonnet renamed to dashboard/build/dashboard.libsonnet

@@ -0,0 +1,5 @@
+local config = import 'dashboard/build/config.libsonnet';
+local dashboard = import 'dashboard/build/dashboard.libsonnet';
+
+function(cfg)
+  dashboard(config.prepare(cfg)).build()

dashboard/build/from_config.libsonnet

@@ -1,5 +1,5 @@
 local config = import 'dashboard/build/config.libsonnet';
-local dashboard_raw = import 'dashboard/build/dashboard_raw.libsonnet';
+local dashboard = import 'dashboard/build/dashboard.libsonnet';
 
 local DATASOURCE_TYPE = std.extVar('DATASOURCE_TYPE');
 local DASHBOARD_TEMPLATE = std.extVar('DASHBOARD_TEMPLATE');
@@ -90,4 +90,4 @@ local cfg =
       sections: sections,
     });
 
-dashboard_raw(cfg).build()
+dashboard(cfg).build()

dashboard/build/from_ext_var.jsonnet

@@ -1,5 +1,5 @@
 local config = import 'dashboard/build/config.libsonnet';
-local dashboard_raw = import 'dashboard/build/dashboard_raw.libsonnet';
+local dashboard = import 'dashboard/build/dashboard.libsonnet';
 local variable = import 'dashboard/variable.libsonnet';
 
 local cfg = config.prepare({
@@ -29,4 +29,4 @@ local cfg = config.prepare({
   ],
 });
 
-dashboard_raw(cfg)
+dashboard(cfg)

dashboard/build/influxdb/dashboard.libsonnet

@@ -1,5 +1,5 @@
 local config = import 'dashboard/build/config.libsonnet';
-local dashboard_raw = import 'dashboard/build/dashboard_raw.libsonnet';
+local dashboard = import 'dashboard/build/dashboard.libsonnet';
 local variable = import 'dashboard/variable.libsonnet';
 
 local cfg = config.prepare({
@@ -38,4 +38,4 @@ local cfg = config.prepare({
   ],
 });
 
-dashboard_raw(cfg)
+dashboard(cfg)

dashboard/build/influxdb/tdg_dashboard.libsonnet

@@ -1,5 +1,5 @@
 local config = import 'dashboard/build/config.libsonnet';
-local dashboard_raw = import 'dashboard/build/dashboard_raw.libsonnet';
+local dashboard = import 'dashboard/build/dashboard.libsonnet';
 local variable = import 'dashboard/variable.libsonnet';
 
 local cfg = config.prepare({
@@ -27,4 +27,4 @@ local cfg = config.prepare({
   ],
 });
 
-dashboard_raw(cfg)
+dashboard(cfg)

dashboard/build/prometheus/dashboard.libsonnet

@@ -1,5 +1,5 @@
 local config = import 'dashboard/build/config.libsonnet';
-local dashboard_raw = import 'dashboard/build/dashboard_raw.libsonnet';
+local dashboard = import 'dashboard/build/dashboard.libsonnet';
 local variable = import 'dashboard/variable.libsonnet';
 
 local cfg = config.prepare({
@@ -36,4 +36,4 @@ local cfg = config.prepare({
   ],
 });
 
-dashboard_raw(cfg)
+dashboard(cfg)