fix a number of errcheck issues

Numerous issues remain, especially in tests/e2e.

Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>

6 files changed, 19 insertions, 20 deletions

diff --git a/test/e2e/attach_test.go b/test/e2e/attach_test.go
index a7af76529..74e3a619a 100644
--- a/test/e2e/attach_test.go
+++ b/test/e2e/attach_test.go
@@ -1,7 +1,6 @@
 package integration
 
 import (
-	"os"
 	"syscall"
 	"time"
 
@@ -20,12 +19,11 @@ var _ = Describe("Podman attach", func() {
 
 	BeforeEach(func() {
 		tempdir, err = CreateTempDirInTempDir()
-		if err != nil {
-			os.Exit(1)
-		}
+		Expect(err).To(BeNil())
 		podmanTest = PodmanTestCreate(tempdir)
 		podmanTest.Setup()
-		podmanTest.SeedImages()
+		err = podmanTest.SeedImages()
+		Expect(err).To(BeNil())
 	})
 
 	AfterEach(func() {
diff --git a/test/e2e/checkpoint_test.go b/test/e2e/checkpoint_test.go
index 5abc672e9..7b2dd89c9 100644
--- a/test/e2e/checkpoint_test.go
+++ b/test/e2e/checkpoint_test.go
@@ -37,12 +37,12 @@ var _ = Describe("Podman checkpoint", func() {
 	BeforeEach(func() {
 		SkipIfRootless("checkpoint not supported in rootless mode")
 		tempdir, err = CreateTempDirInTempDir()
-		if err != nil {
-			os.Exit(1)
-		}
+		Expect(err).To(BeNil())
+
 		podmanTest = PodmanTestCreate(tempdir)
 		podmanTest.Setup()
-		podmanTest.SeedImages()
+		err = podmanTest.SeedImages()
+		Expect(err).To(BeNil())
 		// Check if the runtime implements checkpointing. Currently only
 		// runc's checkpoint/restore implementation is supported.
 		cmd := exec.Command(podmanTest.OCIRuntime, "checkpoint", "--help")
diff --git a/test/e2e/commit_test.go b/test/e2e/commit_test.go
index 6bcf17bfe..78b607f1e 100644
--- a/test/e2e/commit_test.go
+++ b/test/e2e/commit_test.go
@@ -21,12 +21,11 @@ var _ = Describe("Podman commit", func() {
 
 	BeforeEach(func() {
 		tempdir, err = CreateTempDirInTempDir()
-		if err != nil {
-			os.Exit(1)
-		}
+		Expect(err).To(BeNil())
 		podmanTest = PodmanTestCreate(tempdir)
 		podmanTest.Setup()
-		podmanTest.SeedImages()
+		err = podmanTest.SeedImages()
+		Expect(err).To(BeNil())
 	})
 
 	AfterEach(func() {
diff --git a/test/e2e/common_test.go b/test/e2e/common_test.go
index bc6d89fad..cb6574f23 100644
--- a/test/e2e/common_test.go
+++ b/test/e2e/common_test.go
@@ -809,7 +809,8 @@ func (p *PodmanTestIntegration) RestoreArtifactToCache(image string) error {
 
 func populateCache(podman *PodmanTestIntegration) {
 	for _, image := range CACHE_IMAGES {
-		podman.RestoreArtifactToCache(image)
+		err := podman.RestoreArtifactToCache(image)
+		Expect(err).To(BeNil())
 	}
 	// logformatter uses this to recognize the first test
 	fmt.Printf("-----------------------------\n")
diff --git a/test/e2e/create_test.go b/test/e2e/create_test.go
index 339fa66d8..4c3b5604a 100644
--- a/test/e2e/create_test.go
+++ b/test/e2e/create_test.go
@@ -24,12 +24,11 @@ var _ = Describe("Podman create", func() {
 
 	BeforeEach(func() {
 		tempdir, err = CreateTempDirInTempDir()
-		if err != nil {
-			os.Exit(1)
-		}
+		Expect(err).To(BeNil())
 		podmanTest = PodmanTestCreate(tempdir)
 		podmanTest.Setup()
-		podmanTest.SeedImages()
+		err = podmanTest.SeedImages()
+		Expect(err).To(BeNil())
 	})
 
 	AfterEach(func() {
diff --git a/test/utils/common_function_test.go b/test/utils/common_function_test.go
index 144d8d4f1..6323b44eb 100644
--- a/test/utils/common_function_test.go
+++ b/test/utils/common_function_test.go
@@ -51,7 +51,8 @@ var _ = Describe("Common functions test", func() {
 			txt := fmt.Sprintf("ID=%s\nVERSION_ID=%s", id, ver)
 			if !empty {
 				f, _ := os.Create(path)
-				f.WriteString(txt)
+				_, err := f.WriteString(txt)
+				Expect(err).To(BeNil(), "Failed to write data.")
 				f.Close()
 			}
 
@@ -136,7 +137,8 @@ var _ = Describe("Common functions test", func() {
 			}
 			if createFile {
 				f, _ := os.Create(path)
-				f.WriteString(txt)
+				_, err := f.WriteString(txt)
+				Expect(err).To(BeNil(), "Failed to write data.")
 				f.Close()
 			}
 			ProcessOneCgroupPath = path