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rootless: allow single mappings

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we were playing safe and not allowed any container to have less than
65536 mappings.  There are a couple of reasons to change it:

- it blocked libpod to work in an environment where
  newuidmap/newgidmap are not available, or not configured.

- not allowed to use different partitions of subuids, where each user
  has less than 65536 ids available.

Hopefully this change in containers/storage:

https://github.com/containers/storage/pull/303

will make error clearers if there are not enough IDs for the image
that is being used.

Closes: https://github.com/containers/libpod/issues/1651

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2019-03-10 22:38:12 +01:00
parent ddcdc0c172
commit af3e73426a
2 changed files with 4 additions and 57 deletions
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2
test/e2e/rootless_test.go
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@ -126,7 +126,6 @@ var _ = Describe("Podman rootless", func() {
env := os.Environ()
env = append(env, fmt.Sprintf("XDG_RUNTIME_DIR=%s", xdgRuntimeDir))
env = append(env, fmt.Sprintf("HOME=%s", home))
env = append(env, "PODMAN_ALLOW_SINGLE_ID_MAPPING_IN_USERNS=1")
env = append(env, "USER=foo")
cmd := rootlessTest.PodmanAsUser([]string{"pod", "create", "--infra=false"}, 1000, 1000, "", env)
@ -171,7 +170,6 @@ var _ = Describe("Podman rootless", func() {
env := os.Environ()
env = append(env, fmt.Sprintf("XDG_RUNTIME_DIR=%s", xdgRuntimeDir))
env = append(env, fmt.Sprintf("HOME=%s", home))
env = append(env, "PODMAN_ALLOW_SINGLE_ID_MAPPING_IN_USERNS=1")
env = append(env, "USER=foo")
allArgs := append([]string{"run"}, args...)