fix(graphCardChartLegend): issues/158 activate tooltips (#325)

* graphCardChartLegend, legend tooltips, apply product context, i18n
* i18n, locale strings for en-US, test update for locale keys

package.json

@@ -128,7 +128,7 @@
     "eslint-plugin-react": "^7.20.0",
     "eslint-plugin-react-hooks": "^4.0.4",
     "express": "^4.17.1",
-    "gettext-extractor": "^3.5.2",
+    "glob": "^7.1.6",
     "moxios": "^0.4.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.0.5",

public/locales/en-US.json

@@ -19,21 +19,26 @@
     "noDataErrorLabel": "No data",
     "dateLabel": "Date",
     "coresLabel": "Cores",
-    "coresLegendTooltip": "Lorem ipsum dolor sit, cores.",
+    "coresLegendTooltip": "{{product}} CPU usage, per CPU core.",
     "socketsLabel": "Sockets",
-    "socketsLegendTooltip": "Lorem ipsum dolor sit, sockets.",
+    "socketsLegendTooltip": "{{product}} CPU usage, per CPU socket pair.",
     "cloudSocketsLabel": "Public cloud",
-    "cloudSocketsLegendTooltip": "Lorem ipsum dolor sit, cloudSockets.",
+    "cloudSocketsLegendTooltip": "Public cloud {{product}} CPU usage, 1 CPU socket per instance.",
     "hypervisorCoresLabel": "Virtualized cores",
-    "hypervisorCoresLegendTooltip": "Lorem ipsum dolor sit, hypervisorCores.",
+    "hypervisorCoresLegendTooltip": "{{product}} CPU usage, per CPU core.",
     "hypervisorSocketsLabel": "Virtualized {{product}}",
-    "hypervisorSocketsLegendTooltip": "Lorem ipsum dolor sit, hypervisorSockets.",
+    "hypervisorSocketsLegendTooltip": "{{product}} CPU socket usage, per socket pair.",
+    "hypervisorSocketsLegendTooltip_RHEL": "Virtualized {{product}} CPU usage, per socket. Hypervisor guest usage with known host-guest mappings (such as multi-guest VDC subscriptions), per socket pair of the hypervisor host, using the same method as physical {{product}}.",
     "physicalCoresLabel": "Physical cores",
-    "physicalCoresLegendTooltip": "Lorem ipsum dolor sit, physicalCores.",
+    "physicalCoresLegendTooltip": "{{product}} CPU usage, per CPU core.",
     "physicalSocketsLabel": "Physical {{product}}",
-    "physicalSocketsLegendTooltip": "Lorem ipsum dolor sit, physicalSockets.",
+    "physicalSocketsLegendTooltip": "{{product}} CPU socket usage, per socket pair.",
+    "physicalSocketsLegendTooltip_RHEL": "Physical {{product}} CPU usage, per socket pair. Each system's socket count is rounded upwards to the next even number.",
     "thresholdLabel": "Subscription threshold",
-    "thresholdLegendTooltip": "Lorem ipsum dolor sit, threshold.",
+    "thresholdLegendTooltip": "Maximum capacity, based on total {{product}} subscriptions in this account.",
+    "thresholdLegendTooltip_RHEL": "Maximum capacity, as CPU sockets, based on total {{product}} subscriptions in this account.",
+    "thresholdCoresLegendTooltip_OpenShift": "Maximum capacity, as CPU cores, based on total {{product}} subscriptions in this account.",
+    "thresholdSocketsLegendTooltip_OpenShift": "Maximum capacity, as CPU sockets, based on total {{product}} subscriptions in this account.",
     "tooltipSummary": "Your subscription data facets. With one level of column and row headers."
   },
   "curiosity-toolbar": {