github.com/opencontainers/runtime-tools@v0.9.0/validation/util/linux_resources_memory.go (about)

     1  package util
     2  
     3  import (
     4  	"github.com/mndrix/tap-go"
     5  	rspec "github.com/opencontainers/runtime-spec/specs-go"
     6  	"github.com/opencontainers/runtime-tools/cgroups"
     7  )
     8  
     9  // ValidateLinuxResourcesMemory validates linux.resources.memory.
    10  func ValidateLinuxResourcesMemory(config *rspec.Spec, t *tap.T, state *rspec.State) error {
    11  	cg, err := cgroups.FindCgroup()
    12  	t.Ok((err == nil), "find memory cgroup")
    13  	if err != nil {
    14  		t.Diagnostic(err.Error())
    15  		return nil
    16  	}
    17  
    18  	lm, err := cg.GetMemoryData(state.Pid, config.Linux.CgroupsPath)
    19  	t.Ok((err == nil), "get memory cgroup data")
    20  	if err != nil {
    21  		t.Diagnostic(err.Error())
    22  		return nil
    23  	}
    24  
    25  	t.Ok(*lm.Limit == *config.Linux.Resources.Memory.Limit, "memory limit is set correctly")
    26  	t.Diagnosticf("expect: %d, actual: %d", *config.Linux.Resources.Memory.Limit, *lm.Limit)
    27  
    28  	t.Ok(*lm.Reservation == *config.Linux.Resources.Memory.Reservation, "memory reservation is set correctly")
    29  	t.Diagnosticf("expect: %d, actual: %d", *config.Linux.Resources.Memory.Reservation, *lm.Reservation)
    30  
    31  	t.Ok(*lm.Swap == *config.Linux.Resources.Memory.Swap, "memory swap is set correctly")
    32  	t.Diagnosticf("expect: %d, actual: %d", *config.Linux.Resources.Memory.Swap, *lm.Reservation)
    33  
    34  	t.Ok(*lm.Kernel == *config.Linux.Resources.Memory.Kernel, "memory kernel is set correctly")
    35  	t.Diagnosticf("expect: %d, actual: %d", *config.Linux.Resources.Memory.Kernel, *lm.Kernel)
    36  
    37  	t.Ok(*lm.KernelTCP == *config.Linux.Resources.Memory.KernelTCP, "memory kernelTCP is set correctly")
    38  	t.Diagnosticf("expect: %d, actual: %d", *config.Linux.Resources.Memory.KernelTCP, *lm.Kernel)
    39  
    40  	t.Ok(*lm.Swappiness == *config.Linux.Resources.Memory.Swappiness, "memory swappiness is set correctly")
    41  	t.Diagnosticf("expect: %d, actual: %d", *config.Linux.Resources.Memory.Swappiness, *lm.Swappiness)
    42  
    43  	t.Ok(*lm.DisableOOMKiller == *config.Linux.Resources.Memory.DisableOOMKiller, "memory oom is set correctly")
    44  	t.Diagnosticf("expect: %t, actual: %t", *config.Linux.Resources.Memory.DisableOOMKiller, *lm.DisableOOMKiller)
    45  
    46  	return nil
    47  }