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Swap default mount propagation from private to rprivate

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This matches Docker behavior more closely and should resolve an
issue we were seeing with /sys mounts

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #1465
Approved by: rhatdan
This commit is contained in:
Matthew Heon
2018-09-13 15:00:58 -04:00
committed by Atomic Bot
parent f0a3a4329e
commit e2137cd009
4 changed files with 12 additions and 12 deletions
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4
pkg/secrets/secrets.go
View File

@ -243,7 +243,7 @@ func addSecretsFromMountsFile(filePath, mountLabel, containerWorkingDir, mountPr
Source: filepath.Join(mountPrefix, ctrDir),
Destination: ctrDir,
Type: "bind",
Options: []string{"bind", "private"},
Options: []string{"bind", "rprivate"},
}
mounts = append(mounts, m)
@ -278,7 +278,7 @@ func addFIPSModeSecret(mounts *[]rspec.Mount, containerWorkingDir string) error
Source: ctrDirOnHost,
Destination: secretsDir,
Type: "bind",
Options: []string{"bind", "private"},
Options: []string{"bind", "rprivate"},
}
*mounts = append(*mounts, m)
}

6
pkg/spec/createconfig.go
View File

@ -189,7 +189,7 @@ func (c *CreateConfig) GetVolumeMounts(specMounts []spec.Mount) ([]spec.Mount, e
}
}
if rootProp == "" {
options = append(options, "private")
options = append(options, "rprivate")
}
m = append(m, spec.Mount{
@ -214,7 +214,7 @@ func (c *CreateConfig) GetVolumeMounts(specMounts []spec.Mount) ([]spec.Mount, e
Destination: vol,
Type: string(TypeTmpfs),
Source: string(TypeTmpfs),
Options: []string{"private", "rw", "noexec", "nosuid", "nodev", "tmpcopyup"},
Options: []string{"rprivate", "rw", "noexec", "nosuid", "nodev", "tmpcopyup"},
}
m = append(m, mount)
}
@ -272,7 +272,7 @@ func (c *CreateConfig) GetTmpfsMounts() []spec.Mount {
var m []spec.Mount
for _, i := range c.Tmpfs {
// Default options if nothing passed
options := []string{"private", "rw", "noexec", "nosuid", "nodev", "size=65536k"}
options := []string{"rprivate", "rw", "noexec", "nosuid", "nodev", "size=65536k"}
spliti := strings.Split(i, ":")
destPath := spliti[0]
if len(spliti) > 1 {

12
pkg/spec/spec.go
View File

@ -43,7 +43,7 @@ func CreateConfigToOCISpec(config *CreateConfig) (*spec.Spec, error) { //nolint
Destination: "/sys",
Type: "sysfs",
Source: "sysfs",
Options: []string{"private", "nosuid", "noexec", "nodev", "rw"},
Options: []string{"rprivate", "nosuid", "noexec", "nodev", "rw"},
}
g.AddMount(sysMnt)
} else if !canMountSys {
@ -57,7 +57,7 @@ func CreateConfigToOCISpec(config *CreateConfig) (*spec.Spec, error) { //nolint
Destination: "/sys",
Type: "bind",
Source: "/sys",
Options: []string{"nosuid", "noexec", "nodev", r, "rbind"},
Options: []string{"rprivate", "nosuid", "noexec", "nodev", r, "rbind"},
}
g.AddMount(sysMnt)
}
@ -67,7 +67,7 @@ func CreateConfigToOCISpec(config *CreateConfig) (*spec.Spec, error) { //nolint
Destination: "/dev/pts",
Type: "devpts",
Source: "devpts",
Options: []string{"private", "nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620"},
Options: []string{"rprivate", "nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620"},
}
g.AddMount(devPts)
}
@ -97,7 +97,7 @@ func CreateConfigToOCISpec(config *CreateConfig) (*spec.Spec, error) { //nolint
Destination: "/sys/fs/cgroup",
Type: "cgroup",
Source: "cgroup",
Options: []string{"private", "nosuid", "noexec", "nodev", "relatime", cgroupPerm},
Options: []string{"rprivate", "nosuid", "noexec", "nodev", "relatime", cgroupPerm},
}
g.AddMount(cgroupMnt)
}
@ -231,7 +231,7 @@ func CreateConfigToOCISpec(config *CreateConfig) (*spec.Spec, error) { //nolint
}
for _, i := range config.Tmpfs {
// Default options if nothing passed
options := []string{"rw", "private", "noexec", "nosuid", "nodev", "size=65536k"}
options := []string{"rw", "rprivate", "noexec", "nosuid", "nodev", "size=65536k"}
spliti := strings.SplitN(i, ":", 2)
if len(spliti) > 1 {
if _, _, err := mount.ParseTmpfsOptions(spliti[1]); err != nil {
@ -385,7 +385,7 @@ func setupSystemd(config *CreateConfig, g *generate.Generator) error {
if err != nil {
return err
}
options := []string{"rw", "private", "noexec", "nosuid", "nodev"}
options := []string{"rw", "rprivate", "noexec", "nosuid", "nodev"}
for _, dest := range []string{"/run", "/run/lock", "/sys/fs/cgroup/systemd"} {
if libpod.MountExists(mounts, dest) {
continue

2
pkg/spec/spec_test.go
View File

@ -13,7 +13,7 @@ func TestCreateConfig_GetVolumeMounts(t *testing.T) {
Destination: "/foobar",
Type: "bind",
Source: "foobar",
Options: []string{"ro", "rbind", "private"},
Options: []string{"ro", "rbind", "rprivate"},
}
config := CreateConfig{
Volumes: []string{"foobar:/foobar:ro"},