support id lookup on slo timeseries dashboard widgets

Readme.md

@@ -342,6 +342,7 @@ so they can be created in a single update and can be re-created if any of them i
 |Dashboard|uptime|`monitor: {id: "foo:bar"}`|
 |Dashboard|alert_graph|`alert_id: "foo:bar"`|
 |Dashboard|slo|`slo_id: "foo:bar"`|
+|Dashboard|timeseries|`query: -> { data_source: "slo", slo_id: "foo:bar" }`|
 |Monitor|composite|`query: -> { "%{foo:bar} && %{foo:baz}" }`|
 |Monitor|slo alert|`query: -> { "error_budget(\"%{foo:bar}\").over(\"7d\") > 123.0" }`|
 |Slo|monitor|`monitor_ids: -> ["foo:bar"]`|

lib/kennel/models/dashboard.rb

@@ -195,6 +195,18 @@ def resolve_linked_tracking_ids!(id_map, **args)
             if id = definition[:slo_id]
               definition[:slo_id] = resolve(id, :slo, id_map, **args) || id
             end
+          when "timeseries"
+            if requests = definition[:requests]
+              requests.map do |request|
+                next unless queries = request[:queries]
+                queries.map do |query|
+                  next unless query[:data_source] == "slo"
+                  if id = query[:slo_id]
+                    query[:slo_id] = resolve(id, :slo, id_map, **args) || id
+                  end
+                end
+              end
+            end
           end
         end
       end

template/Readme.md

@@ -324,6 +324,7 @@ so they can be created in a single update and can be re-created if any of them i
 |Dashboard|uptime|`monitor: {id: "foo:bar"}`|
 |Dashboard|alert_graph|`alert_id: "foo:bar"`|
 |Dashboard|slo|`slo_id: "foo:bar"`|
+|Dashboard|timeseries|`query: -> { data_source: "slo", slo_id: "foo:bar" }`|
 |Monitor|composite|`query: -> { "%{foo:bar} && %{foo:baz}" }`|
 |Monitor|slo alert|`query: -> { "error_budget(\"%{foo:bar}\").over(\"7d\") > 123.0" }`|
 |Slo|monitor|`monitor_ids: -> ["foo:bar"]`|

test/kennel/models/dashboard_test.rb

@@ -151,6 +151,13 @@ def resolve(force: false)
       resolve.must_be_nil
     end
 
+    # Test is necessary for code coverage after adding timeseries support,
+    # to ensure the case statement is tested for unmatched types
+    it "ignores unknown widget types" do
+      definition[:type] = "unknown"
+      resolve.keys.must_equal [:requests, :type, :title]
+    end
+
     describe "uptime" do
       before { definition[:type] = "uptime" }
 
@@ -232,6 +239,34 @@ def resolve(force: false)
         resolved[:widgets][0][:definition][:slo_id].must_equal "123"
       end
     end
+
+    describe "timeseries" do
+      before do
+        definition[:requests] << {
+          queries: [
+            { data_source: "metrics", query: "avg:system.cpu.user{*}" },
+            { data_source: "slo", slo_id: nil }
+          ]
+        }
+      end
+
+      it "ignores missing ids" do
+        assert_nil resolve[:requests].last[:queries].last[:slo_id]
+      end
+
+      it "does not modify regular ids" do
+        definition[:requests].last[:queries].last[:slo_id] = "abcdef1234567"
+        resolve[:requests].last[:queries].last[:slo_id].must_equal "abcdef1234567"
+      end
+
+      it "resolves the slo widget with full id" do
+        definition[:requests].last[:queries].last[:slo_id] = "#{project.kennel_id}:b"
+        id_map.set("slo", "a:c", "1")
+        id_map.set("slo", "#{project.kennel_id}:b", "123")
+        resolved = resolve
+        resolved[:requests].last[:queries].last[:slo_id].must_equal "123"
+      end
+    end
   end
 
   describe "#diff" do