diff options
| -rw-r--r-- | cmd/podman/system/df.go | 7 | ||||
| -rw-r--r-- | test/e2e/system_df_test.go | 17 |
2 files changed, 18 insertions, 6 deletions
diff --git a/cmd/podman/system/df.go b/cmd/podman/system/df.go index b2325507a..49918487a 100644 --- a/cmd/podman/system/df.go +++ b/cmd/podman/system/df.go @@ -2,6 +2,7 @@ package system import ( "fmt" + "math" "os" "strings" "time" @@ -288,6 +289,10 @@ func (d *dfSummary) Size() string { } func (d *dfSummary) Reclaimable() string { - percent := int(float64(d.reclaimable)/float64(d.size)) * 100 + percent := 0 + // make sure to check this to prevent div by zero problems + if d.size > 0 { + percent = int(math.Round(float64(d.reclaimable) / float64(d.size) * float64(100))) + } return fmt.Sprintf("%s (%d%%)", units.HumanSize(float64(d.reclaimable)), percent) } diff --git a/test/e2e/system_df_test.go b/test/e2e/system_df_test.go index 2d75316ad..a9fa5f4ac 100644 --- a/test/e2e/system_df_test.go +++ b/test/e2e/system_df_test.go @@ -41,11 +41,17 @@ var _ = Describe("podman system df", func() { session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) - session = podmanTest.Podman([]string{"volume", "create", "data"}) + // run two containers with volumes to create something in the volume + session = podmanTest.Podman([]string{"run", "-v", "data1:/data", "--name", "container1", BB, "sh", "-c", "echo test > /data/1"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) - session = podmanTest.Podman([]string{"create", "-v", "data:/data", "--name", "container1", BB}) + session = podmanTest.Podman([]string{"run", "-v", "data2:/data", "--name", "container2", BB, "sh", "-c", "echo test > /data/1"}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(0)) + + // remove one container, we keep the volume + session = podmanTest.Podman([]string{"rm", "container2"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) @@ -61,9 +67,10 @@ var _ = Describe("podman system df", func() { images := strings.Fields(session.OutputToStringArray()[1]) containers := strings.Fields(session.OutputToStringArray()[2]) volumes := strings.Fields(session.OutputToStringArray()[3]) - Expect(images[1]).To(Equal(string(totImages))) - Expect(containers[1]).To(Equal("2")) - Expect(volumes[2]).To(Equal("1")) + Expect(images[1]).To(Equal(string(totImages)), "total images expected") + Expect(containers[1]).To(Equal("2"), "total containers expected") + Expect(volumes[2]).To(Equal("2"), "total volumes expected") + Expect(volumes[6]).To(Equal("(50%)"), "percentage usage expected") }) It("podman system df image with no tag", func() { |