github/kata-containers
1
0
Fork 1
mirror of https://github.com/kata-containers/kata-containers.git synced 2025-07-04 02:56:18 +00:00
Code Issues Projects Releases Wiki Activity

kata-check: modprobe missing kernel modules

Browse Source 
So that we can possibly verify its parameter later on.

Signed-off-by: Peng Tao <bergwolf@gmail.com>
This commit is contained in:
Peng Tao 2018-10-16 09:30:33 +08:00
parent c3cfe8204a
commit ea9ecd7386
2 changed files with 21 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
cli/kata-check.go
View File

@ -60,7 +60,7 @@ const (
var (
procCPUInfo = "/proc/cpuinfo"
sysModuleDir = "/sys/module"
modInfoCmd = "modinfo"
modProbeCmd = "modprobe"
)
// variables rather than consts to allow tests to modify them
@ -120,8 +120,9 @@ func haveKernelModule(module string) bool {
return true
}
// Now, check if the module is unloaded, but available
cmd := exec.Command(modInfoCmd, module)
// Now, check if the module is unloaded, but available.
// And modprobe it if so.
cmd := exec.Command(modProbeCmd, module)
err := cmd.Run()
return err == nil
}

34
cli/kata-check_test.go
View File

@ -448,15 +448,15 @@ func TestCheckHaveKernelModule(t *testing.T) {
}
defer os.RemoveAll(dir)
savedModInfoCmd := modInfoCmd
savedModProbeCmd := modProbeCmd
savedSysModuleDir := sysModuleDir
// XXX: override (fake the modprobe command failing)
modInfoCmd = "false"
modProbeCmd = "false"
sysModuleDir = filepath.Join(dir, "sys/module")
defer func() {
modInfoCmd = savedModInfoCmd
modProbeCmd = savedModProbeCmd
sysModuleDir = savedSysModuleDir
}()
@ -471,13 +471,13 @@ func TestCheckHaveKernelModule(t *testing.T) {
assert.False(result)
// XXX: override - make our fake "modprobe" succeed
modInfoCmd = "true"
modProbeCmd = "true"
result = haveKernelModule(module)
assert.True(result)
// disable "modprobe" again
modInfoCmd = "false"
modProbeCmd = "false"
fooDir := filepath.Join(sysModuleDir, module)
err = os.MkdirAll(fooDir, testDirMode)
@ -498,15 +498,15 @@ func TestCheckCheckKernelModules(t *testing.T) {
}
defer os.RemoveAll(dir)
savedModInfoCmd := modInfoCmd
savedModProbeCmd := modProbeCmd
savedSysModuleDir := sysModuleDir
// XXX: override (fake the modprobe command failing)
modInfoCmd = "false"
modProbeCmd = "false"
sysModuleDir = filepath.Join(dir, "sys/module")
defer func() {
modInfoCmd = savedModInfoCmd
modProbeCmd = savedModProbeCmd
sysModuleDir = savedSysModuleDir
}()
@ -590,15 +590,15 @@ func TestCheckCheckKernelModulesUnreadableFile(t *testing.T) {
},
}
savedModInfoCmd := modInfoCmd
savedModProbeCmd := modProbeCmd
savedSysModuleDir := sysModuleDir
// XXX: override (fake the modprobe command failing)
modInfoCmd = "false"
modProbeCmd = "false"
sysModuleDir = filepath.Join(dir, "sys/module")
defer func() {
modInfoCmd = savedModInfoCmd
modProbeCmd = savedModProbeCmd
sysModuleDir = savedSysModuleDir
}()
@ -637,15 +637,15 @@ func TestCheckCheckKernelModulesInvalidFileContents(t *testing.T) {
},
}
savedModInfoCmd := modInfoCmd
savedModProbeCmd := modProbeCmd
savedSysModuleDir := sysModuleDir
// XXX: override (fake the modprobe command failing)
modInfoCmd = "false"
modProbeCmd = "false"
sysModuleDir = filepath.Join(dir, "sys/module")
defer func() {
modInfoCmd = savedModInfoCmd
modProbeCmd = savedModProbeCmd
sysModuleDir = savedSysModuleDir
}()
@ -700,15 +700,15 @@ func TestCheckKernelParamHandler(t *testing.T) {
}
defer os.RemoveAll(dir)
savedModInfoCmd := modInfoCmd
savedModProbeCmd := modProbeCmd
savedSysModuleDir := sysModuleDir
// XXX: override (fake the modprobe command failing)
modInfoCmd = "false"
modProbeCmd = "false"
sysModuleDir = filepath.Join(dir, "sys/module")
defer func() {
modInfoCmd = savedModInfoCmd
modProbeCmd = savedModProbeCmd
sysModuleDir = savedSysModuleDir
}()