DAOS-16127 tools: Include relevant pool health in container health

If the parent pool is in a degraded state, show this in the container
health string, as otherwise users may only focus on the container
health and miss the other details.

Required-githooks: true
Change-Id: Icc2fd74b5c4ca6d6c6ca84b790c99af6ee97f11a
Signed-off-by: Michael MacDonald <mjmac@google.com>

src/control/cmd/daos/pretty/health.go

@@ -125,12 +125,16 @@ func printPoolHealth(out io.Writer, pi *daos.PoolInfo, verbose bool) {
 	fmt.Fprintf(out, "%s: %s\n", pi.Name(), strings.Join(healthStrings, ","))
 }
 
-func printContainerHealth(out io.Writer, ci *daos.ContainerInfo, verbose bool) {
+func printContainerHealth(out io.Writer, pi *daos.PoolInfo, ci *daos.ContainerInfo, verbose bool) {
 	if ci == nil {
 		return
 	}
 
-	fmt.Fprintf(out, "%s: %s\n", ci.Name(), txtfmt.Title(ci.Health))
+	healthStr := txtfmt.Title(ci.Health)
+	if pi != nil && pi.DisabledTargets > 0 {
+		healthStr += " (Pool Degraded)"
+	}
+	fmt.Fprintf(out, "%s: %s\n", ci.Name(), healthStr)
 }
 
 // PrintSystemHealthInfo pretty-prints the supplied system health struct.
@@ -173,7 +177,7 @@ func PrintSystemHealthInfo(out io.Writer, shi *daos.SystemHealthInfo, verbose bo
 			iiiw := txtfmt.NewIndentWriter(iiw)
 			if len(shi.Containers[pool.UUID]) > 0 {
 				for _, cont := range shi.Containers[pool.UUID] {
-					printContainerHealth(iiiw, cont, verbose)
+					printContainerHealth(iiiw, pool, cont, verbose)
 				}
 			} else {
 				fmt.Fprintln(iiiw, "No containers in pool.")

src/control/cmd/daos/pretty/health_test.go

@@ -291,12 +291,47 @@ var healthyContainer = &daos.ContainerInfo{
 
 func TestPretty_printContainerHealth(t *testing.T) {
 	for name, tc := range map[string]struct {
+		pi          *daos.PoolInfo
 		ci          *daos.ContainerInfo
 		verbose     bool
 		expPrintStr string
 	}{
 		"nil ContainerInfo": {},
-		"healthy": {
+		"unhealthy pool, healthy container": {
+			pi: &daos.PoolInfo{
+				DisabledTargets: 1,
+			},
+			ci: healthyContainer,
+			expPrintStr: fmt.Sprintf(`
+%s: Healthy (Pool Degraded)
+`, healthyContainer.ContainerLabel),
+		},
+		"unhealthy pool, unhealthy container": {
+			pi: &daos.PoolInfo{
+				DisabledTargets: 1,
+			},
+			ci: func() *daos.ContainerInfo {
+				clone := *healthyContainer
+				clone.Health = "UNHEALTHY"
+				return &clone
+			}(),
+			expPrintStr: fmt.Sprintf(`
+%s: Unhealthy (Pool Degraded)
+`, healthyContainer.ContainerLabel),
+		},
+		"healthy pool, unhealthy container": {
+			pi: healthyPool,
+			ci: func() *daos.ContainerInfo {
+				clone := *healthyContainer
+				clone.Health = "UNHEALTHY"
+				return &clone
+			}(),
+			expPrintStr: fmt.Sprintf(`
+%s: Unhealthy
+`, healthyContainer.ContainerLabel),
+		},
+		"healthy pool, healthy container": {
+			pi: healthyPool,
 			ci: healthyContainer,
 			expPrintStr: fmt.Sprintf(`
 %s: Healthy
@@ -305,7 +340,7 @@ func TestPretty_printContainerHealth(t *testing.T) {
 	} {
 		t.Run(name, func(t *testing.T) {
 			var bld strings.Builder
-			printContainerHealth(&bld, tc.ci, tc.verbose)
+			printContainerHealth(&bld, tc.pi, tc.ci, tc.verbose)
 
 			if diff := cmp.Diff(strings.TrimLeft(tc.expPrintStr, "\n"), bld.String()); diff != "" {
 				t.Fatalf("unexpected pretty-printed string (-want, +got):\n%s\n", diff)