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Use SplitN(2) when copying env variables

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Environment variables whose value contained an equal sign where
truncated

Fixes #11891

Signed-off-by: Jhon Honce <jhonce@redhat.com>
This commit is contained in:
Jhon Honce
2021-10-11 09:11:32 -07:00
parent ea868933e8
commit 6b2939884c
2 changed files with 43 additions and 1 deletions
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2
pkg/specgen/generate/kube/kube.go
View File

@ -257,7 +257,7 @@ func ToSpecGen(ctx context.Context, opts *CtrSpecGenOptions) (*specgen.SpecGener
// Environment Variables
envs := map[string]string{}
for _, env := range imageData.Config.Env {
keyval := strings.Split(env, "=")
keyval := strings.SplitN(env, "=", 2)
envs[keyval[0]] = keyval[1]
}

42
test/e2e/play_kube_test.go
View File

@ -18,6 +18,7 @@ import (
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/format"
. "github.com/onsi/gomega/gexec"
"github.com/opencontainers/selinux/go-selinux"
)
@ -2852,4 +2853,45 @@ invalid kube kind
Expect(ls).Should(Exit(0))
Expect(len(ls.OutputToStringArray())).To(Equal(1))
})
Describe("verify environment variables", func() {
var maxLength int
BeforeEach(func() {
maxLength = format.MaxLength
format.MaxLength = 0
})
AfterEach(func() {
format.MaxLength = maxLength
})
It("values containing equal sign", func() {
javaToolOptions := `-XX:+IgnoreUnrecognizedVMOptions -XX:+IdleTuningGcOnIdle -Xshareclasses:name=openj9_system_scc,cacheDir=/opt/java/.scc,readonly,nonFatal`
openj9JavaOptions := `-XX:+IgnoreUnrecognizedVMOptions -XX:+IdleTuningGcOnIdle -Xshareclasses:name=openj9_system_scc,cacheDir=/opt/java/.scc,readonly,nonFatal -Dosgi.checkConfiguration=false`
containerfile := fmt.Sprintf(`FROM %s
ENV JAVA_TOOL_OPTIONS=%q
ENV OPENJ9_JAVA_OPTIONS=%q
`,
ALPINE, javaToolOptions, openj9JavaOptions)
image := "podman-kube-test:env"
podmanTest.BuildImage(containerfile, image, "false")
ctnr := getCtr(withImage(image))
pod := getPod(withCtr(ctnr))
Expect(generateKubeYaml("pod", pod, kubeYaml)).Should(Succeed())
play := podmanTest.Podman([]string{"play", "kube", "--start", kubeYaml})
play.WaitWithDefaultTimeout()
Expect(play).Should(Exit(0))
inspect := podmanTest.Podman([]string{"container", "inspect", "--format=json", getCtrNameInPod(pod)})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
contents := string(inspect.Out.Contents())
Expect(contents).To(ContainSubstring(javaToolOptions))
Expect(contents).To(ContainSubstring(openj9JavaOptions))
})
})
})