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Merge pull request #15434 from rhatdan/manifest1
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Allow podman to run in an environment with keys containing spaces
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openshift-merge-robot authored Aug 24, 2022
2 parents 2b05f4a + 65efcdf commit 361eb42
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Showing 4 changed files with 26 additions and 12 deletions.
20 changes: 16 additions & 4 deletions pkg/env/env.go
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,22 @@ func Slice(m map[string]string) []string {
return env
}

// Map transforms the specified slice of environment variables into a
// map.
func Map(slice []string) map[string]string {
envmap := make(map[string]string, len(slice))
for _, val := range slice {
data := strings.SplitN(val, "=", 2)

if len(data) > 1 {
envmap[data[0]] = data[1]
} else {
envmap[data[0]] = ""
}
}
return envmap
}

// Join joins the two environment maps with override overriding base.
func Join(base map[string]string, override map[string]string) map[string]string {
if len(base) == 0 {
Expand Down Expand Up @@ -87,10 +103,6 @@ func parseEnv(env map[string]string, line string) error {
}
// trim the front of a variable, but nothing else
name := strings.TrimLeft(data[0], whiteSpaces)
if strings.ContainsAny(name, whiteSpaces) {
return fmt.Errorf("name %q has white spaces, poorly formatted name", name)
}

if len(data) > 1 {
env[name] = data[1]
} else {
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6 changes: 2 additions & 4 deletions pkg/specgen/generate/container.go
Original file line number Diff line number Diff line change
Expand Up @@ -152,10 +152,8 @@ func CompleteSpec(ctx context.Context, r *libpod.Runtime, s *specgen.SpecGenerat
}
// First transform the os env into a map. We need it for the labels later in
// any case.
osEnv, err := envLib.ParseSlice(os.Environ())
if err != nil {
return nil, fmt.Errorf("error parsing host environment variables: %w", err)
}
osEnv := envLib.Map(os.Environ())

// Caller Specified defaults
if s.EnvHost {
defaultEnvs = envLib.Join(defaultEnvs, osEnv)
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5 changes: 1 addition & 4 deletions pkg/specgenutil/specgen.go
Original file line number Diff line number Diff line change
Expand Up @@ -362,10 +362,7 @@ func FillOutSpecGen(s *specgen.SpecGenerator, c *entities.ContainerCreateOptions

// First transform the os env into a map. We need it for the labels later in
// any case.
osEnv, err := envLib.ParseSlice(os.Environ())
if err != nil {
return fmt.Errorf("error parsing host environment variables: %w", err)
}
osEnv := envLib.Map(os.Environ())

if !s.EnvHost {
s.EnvHost = c.EnvHost
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7 changes: 7 additions & 0 deletions test/e2e/run_env_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,13 @@ var _ = Describe("Podman run", func() {
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(ContainSubstring("/bin"))

// Verify environ keys with spaces do not blow up podman command
os.Setenv("FOO BAR", "BAZ")
session = podmanTest.Podman([]string{"run", "--rm", ALPINE, "true"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
os.Unsetenv("FOO BAR")

os.Setenv("FOO", "BAR")
session = podmanTest.Podman([]string{"run", "--rm", "--env", "FOO", ALPINE, "printenv", "FOO"})
session.WaitWithDefaultTimeout()
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