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Allow the passing of '.' to --dns-search

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--dns-search is defined to remove all search domains from a container.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh 2019-08-08 14:54:19 -04:00
parent 3959a357f7
commit 5270cd89d3
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GPG key ID: A2DF901DABE2C028
2 changed files with 10 additions and 0 deletions
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3
cmd/podman/shared/create.go
View file

@ -629,6 +629,9 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
// Validate domains are good
for _, dom := range c.StringSlice("dns-search") {
if dom == "." {
continue
}
if _, err := parse.ValidateDomain(dom); err != nil {
return nil, err
}

7
test/e2e/run_dns_test.go
View file

@ -41,6 +41,13 @@ var _ = Describe("Podman run dns", func() {
session.LineInOuputStartsWith("search foobar.com")
})
It("podman run remove all search domain", func() {
session := podmanTest.Podman([]string{"run", "--dns-search=.", ALPINE, "cat", "/etc/resolv.conf"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.LineInOuputStartsWith("search")).To(BeFalse())
})
It("podman run add bad dns server", func() {
session := podmanTest.Podman([]string{"run", "--dns=foobar", ALPINE, "ls"})
session.WaitWithDefaultTimeout()