package crunchrun
import (
+ "os"
"os/exec"
. "gopkg.in/check.v1"
+ check "gopkg.in/check.v1"
)
var _ = Suite(&singularitySuite{})
c.Assert(err, IsNil)
}
}
+
+func (s *singularitySuite) TearDownSuite(c *C) {
+ if s.executor != nil {
+ s.executor.Close()
+ }
+}
+
+func (s *singularitySuite) TestIPAddress(c *C) {
+ // In production, executor will choose --network=bridge
+ // because uid=0 under arvados-dispatch-cloud. But in test
+ // cases, uid!=0, which means --network=bridge is conditional
+ // on --fakeroot.
+ uuc, err := os.ReadFile("/proc/sys/kernel/unprivileged_userns_clone")
+ c.Check(err, check.IsNil)
+ if string(uuc) == "0\n" {
+ c.Skip("insufficient privileges to run this test case -- `singularity exec --fakeroot` requires /proc/sys/kernel/unprivileged_userns_clone = 1")
+ }
+ s.executor.(*singularityExecutor).fakeroot = true
+ s.executorSuite.TestIPAddress(c)
+}
+
+func (s *singularitySuite) TestInject(c *C) {
+ path, err := exec.LookPath("nsenter")
+ if err != nil || path != "/var/lib/arvados/bin/nsenter" {
+ c.Skip("looks like /var/lib/arvados/bin/nsenter is not installed -- re-run `arvados-server install`?")
+ }
+ s.executorSuite.TestInject(c)
+}
+
+var _ = Suite(&singularityStubSuite{})
+
+// singularityStubSuite tests don't really invoke singularity, so we
+// can run them even if singularity is not installed.
+type singularityStubSuite struct{}
+
+func (s *singularityStubSuite) TestSingularityExecArgs(c *C) {
+ e, err := newSingularityExecutor(c.Logf)
+ c.Assert(err, IsNil)
+ err = e.Create(containerSpec{
+ WorkingDir: "/WorkingDir",
+ Env: map[string]string{"FOO": "bar"},
+ BindMounts: map[string]bindmount{"/mnt": {HostPath: "/hostpath", ReadOnly: true}},
+ EnableNetwork: false,
+ CUDADeviceCount: 3,
+ })
+ c.Check(err, IsNil)
+ e.imageFilename = "/fake/image.sif"
+ cmd := e.execCmd("./singularity")
+ c.Check(cmd.Args, DeepEquals, []string{"./singularity", "exec", "--containall", "--cleanenv", "--pwd=/WorkingDir", "--net", "--network=none", "--nv", "--bind", "/hostpath:/mnt:ro", "/fake/image.sif"})
+ c.Check(cmd.Env, DeepEquals, []string{"SINGULARITYENV_FOO=bar", "SINGULARITY_NO_EVAL=1"})
+}