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Clean up the return of "pointer list"

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This commit is getting rid of a bunch of returned list pointers.
This commit is contained in:
Kristoffer Dalby 2021-11-04 22:16:56 +00:00
parent 5526ccc696
commit 94dbaa6822
4 changed files with 164 additions and 69 deletions
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52
acls.go
View File

@ -15,13 +15,15 @@ import (
"tailscale.com/tailcfg" "tailscale.com/tailcfg"
) )
const errorEmptyPolicy = Error("empty policy") const (
const errorInvalidAction = Error("invalid action") errorEmptyPolicy = Error("empty policy")
const errorInvalidUserSection = Error("invalid user section") errorInvalidAction = Error("invalid action")
const errorInvalidGroup = Error("invalid group") errorInvalidUserSection = Error("invalid user section")
const errorInvalidTag = Error("invalid tag") errorInvalidGroup = Error("invalid group")
const errorInvalidNamespace = Error("invalid namespace") errorInvalidTag = Error("invalid tag")
const errorInvalidPortFormat = Error("invalid port format") errorInvalidNamespace = Error("invalid namespace")
errorInvalidPortFormat = Error("invalid port format")
)
// LoadACLPolicy loads the ACL policy from the specify path, and generates the ACL rules // LoadACLPolicy loads the ACL policy from the specify path, and generates the ACL rules
func (h *Headscale) LoadACLPolicy(path string) error { func (h *Headscale) LoadACLPolicy(path string) error {
@ -53,7 +55,7 @@ func (h *Headscale) LoadACLPolicy(path string) error {
return nil return nil
} }
func (h *Headscale) generateACLRules() (*[]tailcfg.FilterRule, error) { func (h *Headscale) generateACLRules() ([]tailcfg.FilterRule, error) {
rules := []tailcfg.FilterRule{} rules := []tailcfg.FilterRule{}
for i, a := range h.aclPolicy.ACLs { for i, a := range h.aclPolicy.ACLs {
@ -71,7 +73,7 @@ func (h *Headscale) generateACLRules() (*[]tailcfg.FilterRule, error) {
Msgf("Error parsing ACL %d, User %d", i, j) Msgf("Error parsing ACL %d, User %d", i, j)
return nil, err return nil, err
} }
srcIPs = append(srcIPs, *srcs...) srcIPs = append(srcIPs, srcs...)
} }
r.SrcIPs = srcIPs r.SrcIPs = srcIPs
@ -83,7 +85,7 @@ func (h *Headscale) generateACLRules() (*[]tailcfg.FilterRule, error) {
Msgf("Error parsing ACL %d, Port %d", i, j) Msgf("Error parsing ACL %d, Port %d", i, j)
return nil, err return nil, err
} }
destPorts = append(destPorts, *dests...) destPorts = append(destPorts, dests...)
} }
rules = append(rules, tailcfg.FilterRule{ rules = append(rules, tailcfg.FilterRule{
@ -92,14 +94,14 @@ func (h *Headscale) generateACLRules() (*[]tailcfg.FilterRule, error) {
}) })
} }
return &rules, nil return rules, nil
} }
func (h *Headscale) generateACLPolicySrcIP(u string) (*[]string, error) { func (h *Headscale) generateACLPolicySrcIP(u string) ([]string, error) {
return h.expandAlias(u) return h.expandAlias(u)
} }
func (h *Headscale) generateACLPolicyDestPorts(d string) (*[]tailcfg.NetPortRange, error) { func (h *Headscale) generateACLPolicyDestPorts(d string) ([]tailcfg.NetPortRange, error) {
tokens := strings.Split(d, ":") tokens := strings.Split(d, ":")
if len(tokens) < 2 || len(tokens) > 3 { if len(tokens) < 2 || len(tokens) > 3 {
return nil, errorInvalidPortFormat return nil, errorInvalidPortFormat
@ -128,7 +130,7 @@ func (h *Headscale) generateACLPolicyDestPorts(d string) (*[]tailcfg.NetPortRang
} }
dests := []tailcfg.NetPortRange{} dests := []tailcfg.NetPortRange{}
for _, d := range *expanded { for _, d := range expanded {
for _, p := range *ports { for _, p := range *ports {
pr := tailcfg.NetPortRange{ pr := tailcfg.NetPortRange{
IP: d, IP: d,
@ -137,12 +139,12 @@ func (h *Headscale) generateACLPolicyDestPorts(d string) (*[]tailcfg.NetPortRang
dests = append(dests, pr) dests = append(dests, pr)
} }
} }
return &dests, nil return dests, nil
} }
func (h *Headscale) expandAlias(s string) (*[]string, error) { func (h *Headscale) expandAlias(s string) ([]string, error) {
if s == "*" { if s == "*" {
return &[]string{"*"}, nil return []string{"*"}, nil
} }
if strings.HasPrefix(s, "group:") { if strings.HasPrefix(s, "group:") {
@ -155,11 +157,11 @@ func (h *Headscale) expandAlias(s string) (*[]string, error) {
if err != nil { if err != nil {
return nil, errorInvalidNamespace return nil, errorInvalidNamespace
} }
for _, node := range *nodes { for _, node := range nodes {
ips = append(ips, node.IPAddress) ips = append(ips, node.IPAddress)
} }
} }
return &ips, nil return ips, nil
} }
if strings.HasPrefix(s, "tag:") { if strings.HasPrefix(s, "tag:") {
@ -195,7 +197,7 @@ func (h *Headscale) expandAlias(s string) (*[]string, error) {
} }
} }
} }
return &ips, nil return ips, nil
} }
n, err := h.GetNamespace(s) n, err := h.GetNamespace(s)
@ -205,24 +207,24 @@ func (h *Headscale) expandAlias(s string) (*[]string, error) {
return nil, err return nil, err
} }
ips := []string{} ips := []string{}
for _, n := range *nodes { for _, n := range nodes {
ips = append(ips, n.IPAddress) ips = append(ips, n.IPAddress)
} }
return &ips, nil return ips, nil
} }
if h, ok := h.aclPolicy.Hosts[s]; ok { if h, ok := h.aclPolicy.Hosts[s]; ok {
return &[]string{h.String()}, nil return []string{h.String()}, nil
} }
ip, err := netaddr.ParseIP(s) ip, err := netaddr.ParseIP(s)
if err == nil { if err == nil {
return &[]string{ip.String()}, nil return []string{ip.String()}, nil
} }
cidr, err := netaddr.ParseIPPrefix(s) cidr, err := netaddr.ParseIPPrefix(s)
if err == nil { if err == nil {
return &[]string{cidr.String()}, nil return []string{cidr.String()}, nil
} }
return nil, errorInvalidUserSection return nil, errorInvalidUserSection

49
acls_test.go
View File

@ -12,7 +12,6 @@ func (s *Suite) TestWrongPath(c *check.C) {
func (s *Suite) TestBrokenHuJson(c *check.C) { func (s *Suite) TestBrokenHuJson(c *check.C) {
err := h.LoadACLPolicy("./tests/acls/broken.hujson") err := h.LoadACLPolicy("./tests/acls/broken.hujson")
c.Assert(err, check.NotNil) c.Assert(err, check.NotNil)
} }
func (s *Suite) TestInvalidPolicyHuson(c *check.C) { func (s *Suite) TestInvalidPolicyHuson(c *check.C) {
@ -57,10 +56,10 @@ func (s *Suite) TestPortRange(c *check.C) {
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
c.Assert(rules, check.NotNil) c.Assert(rules, check.NotNil)
c.Assert(*rules, check.HasLen, 1) c.Assert(rules, check.HasLen, 1)
c.Assert((*rules)[0].DstPorts, check.HasLen, 1) c.Assert((rules)[0].DstPorts, check.HasLen, 1)
c.Assert((*rules)[0].DstPorts[0].Ports.First, check.Equals, uint16(5400)) c.Assert((rules)[0].DstPorts[0].Ports.First, check.Equals, uint16(5400))
c.Assert((*rules)[0].DstPorts[0].Ports.Last, check.Equals, uint16(5500)) c.Assert((rules)[0].DstPorts[0].Ports.Last, check.Equals, uint16(5500))
} }
func (s *Suite) TestPortWildcard(c *check.C) { func (s *Suite) TestPortWildcard(c *check.C) {
@ -71,12 +70,12 @@ func (s *Suite) TestPortWildcard(c *check.C) {
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
c.Assert(rules, check.NotNil) c.Assert(rules, check.NotNil)
c.Assert(*rules, check.HasLen, 1) c.Assert(rules, check.HasLen, 1)
c.Assert((*rules)[0].DstPorts, check.HasLen, 1) c.Assert((rules)[0].DstPorts, check.HasLen, 1)
c.Assert((*rules)[0].DstPorts[0].Ports.First, check.Equals, uint16(0)) c.Assert((rules)[0].DstPorts[0].Ports.First, check.Equals, uint16(0))
c.Assert((*rules)[0].DstPorts[0].Ports.Last, check.Equals, uint16(65535)) c.Assert((rules)[0].DstPorts[0].Ports.Last, check.Equals, uint16(65535))
c.Assert((*rules)[0].SrcIPs, check.HasLen, 1) c.Assert((rules)[0].SrcIPs, check.HasLen, 1)
c.Assert((*rules)[0].SrcIPs[0], check.Equals, "*") c.Assert((rules)[0].SrcIPs[0], check.Equals, "*")
} }
func (s *Suite) TestPortNamespace(c *check.C) { func (s *Suite) TestPortNamespace(c *check.C) {
@ -110,13 +109,13 @@ func (s *Suite) TestPortNamespace(c *check.C) {
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
c.Assert(rules, check.NotNil) c.Assert(rules, check.NotNil)
c.Assert(*rules, check.HasLen, 1) c.Assert(rules, check.HasLen, 1)
c.Assert((*rules)[0].DstPorts, check.HasLen, 1) c.Assert((rules)[0].DstPorts, check.HasLen, 1)
c.Assert((*rules)[0].DstPorts[0].Ports.First, check.Equals, uint16(0)) c.Assert((rules)[0].DstPorts[0].Ports.First, check.Equals, uint16(0))
c.Assert((*rules)[0].DstPorts[0].Ports.Last, check.Equals, uint16(65535)) c.Assert((rules)[0].DstPorts[0].Ports.Last, check.Equals, uint16(65535))
c.Assert((*rules)[0].SrcIPs, check.HasLen, 1) c.Assert((rules)[0].SrcIPs, check.HasLen, 1)
c.Assert((*rules)[0].SrcIPs[0], check.Not(check.Equals), "not an ip") c.Assert((rules)[0].SrcIPs[0], check.Not(check.Equals), "not an ip")
c.Assert((*rules)[0].SrcIPs[0], check.Equals, ip.String()) c.Assert((rules)[0].SrcIPs[0], check.Equals, ip.String())
} }
func (s *Suite) TestPortGroup(c *check.C) { func (s *Suite) TestPortGroup(c *check.C) {
@ -150,11 +149,11 @@ func (s *Suite) TestPortGroup(c *check.C) {
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
c.Assert(rules, check.NotNil) c.Assert(rules, check.NotNil)
c.Assert(*rules, check.HasLen, 1) c.Assert(rules, check.HasLen, 1)
c.Assert((*rules)[0].DstPorts, check.HasLen, 1) c.Assert((rules)[0].DstPorts, check.HasLen, 1)
c.Assert((*rules)[0].DstPorts[0].Ports.First, check.Equals, uint16(0)) c.Assert((rules)[0].DstPorts[0].Ports.First, check.Equals, uint16(0))
c.Assert((*rules)[0].DstPorts[0].Ports.Last, check.Equals, uint16(65535)) c.Assert((rules)[0].DstPorts[0].Ports.Last, check.Equals, uint16(65535))
c.Assert((*rules)[0].SrcIPs, check.HasLen, 1) c.Assert((rules)[0].SrcIPs, check.HasLen, 1)
c.Assert((*rules)[0].SrcIPs[0], check.Not(check.Equals), "not an ip") c.Assert((rules)[0].SrcIPs[0], check.Not(check.Equals), "not an ip")
c.Assert((*rules)[0].SrcIPs[0], check.Equals, ip.String()) c.Assert((rules)[0].SrcIPs[0], check.Equals, ip.String())
} }

2
oidc_test.go
View File

@ -22,7 +22,7 @@ func TestHeadscale_getNamespaceFromEmail(t *testing.T) {
publicKey *wgkey.Key publicKey *wgkey.Key
privateKey *wgkey.Private privateKey *wgkey.Private
aclPolicy *ACLPolicy aclPolicy *ACLPolicy
aclRules *[]tailcfg.FilterRule aclRules []tailcfg.FilterRule
lastStateChange sync.Map lastStateChange sync.Map
oidcProvider *oidc.Provider oidcProvider *oidc.Provider
oauth2Config *oauth2.Config oauth2Config *oauth2.Config

130
sharing_test.go
View File

@ -35,8 +35,20 @@ func CreateNodeNamespace(c *check.C, namespace, node, key, IP string) (*Namespac
} }
func (s *Suite) TestBasicSharedNodesInNamespace(c *check.C) { func (s *Suite) TestBasicSharedNodesInNamespace(c *check.C) {
n1, m1 := CreateNodeNamespace(c, "shared1", "test_get_shared_nodes_1", "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66", "100.64.0.1") n1, m1 := CreateNodeNamespace(
_, m2 := CreateNodeNamespace(c, "shared2", "test_get_shared_nodes_2", "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863", "100.64.0.2") c,
"shared1",
"test_get_shared_nodes_1",
"686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
"100.64.0.1",
)
_, m2 := CreateNodeNamespace(
c,
"shared2",
"test_get_shared_nodes_2",
"dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
"100.64.0.2",
)
p1s, err := h.getPeers(m1) p1s, err := h.getPeers(m1)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
@ -52,7 +64,13 @@ func (s *Suite) TestBasicSharedNodesInNamespace(c *check.C) {
} }
func (s *Suite) TestSameNamespace(c *check.C) { func (s *Suite) TestSameNamespace(c *check.C) {
n1, m1 := CreateNodeNamespace(c, "shared1", "test_get_shared_nodes_1", "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66", "100.64.0.1") n1, m1 := CreateNodeNamespace(
c,
"shared1",
"test_get_shared_nodes_1",
"686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
"100.64.0.1",
)
p1s, err := h.getPeers(m1) p1s, err := h.getPeers(m1)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
@ -63,8 +81,20 @@ func (s *Suite) TestSameNamespace(c *check.C) {
} }
func (s *Suite) TestUnshare(c *check.C) { func (s *Suite) TestUnshare(c *check.C) {
n1, m1 := CreateNodeNamespace(c, "shared1", "test_unshare_1", "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66", "100.64.0.1") n1, m1 := CreateNodeNamespace(
_, m2 := CreateNodeNamespace(c, "shared2", "test_unshare_2", "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863", "100.64.0.2") c,
"shared1",
"test_unshare_1",
"686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
"100.64.0.1",
)
_, m2 := CreateNodeNamespace(
c,
"shared2",
"test_unshare_2",
"dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
"100.64.0.2",
)
p1s, err := h.getPeers(m1) p1s, err := h.getPeers(m1)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
@ -92,8 +122,20 @@ func (s *Suite) TestUnshare(c *check.C) {
} }
func (s *Suite) TestAlreadyShared(c *check.C) { func (s *Suite) TestAlreadyShared(c *check.C) {
n1, m1 := CreateNodeNamespace(c, "shared1", "test_get_shared_nodes_1", "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66", "100.64.0.1") n1, m1 := CreateNodeNamespace(
_, m2 := CreateNodeNamespace(c, "shared2", "test_get_shared_nodes_2", "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863", "100.64.0.2") c,
"shared1",
"test_get_shared_nodes_1",
"686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
"100.64.0.1",
)
_, m2 := CreateNodeNamespace(
c,
"shared2",
"test_get_shared_nodes_2",
"dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
"100.64.0.2",
)
p1s, err := h.getPeers(m1) p1s, err := h.getPeers(m1)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
@ -106,8 +148,20 @@ func (s *Suite) TestAlreadyShared(c *check.C) {
} }
func (s *Suite) TestDoNotIncludeRoutesOnShared(c *check.C) { func (s *Suite) TestDoNotIncludeRoutesOnShared(c *check.C) {
n1, m1 := CreateNodeNamespace(c, "shared1", "test_get_shared_nodes_1", "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66", "100.64.0.1") n1, m1 := CreateNodeNamespace(
_, m2 := CreateNodeNamespace(c, "shared2", "test_get_shared_nodes_2", "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863", "100.64.0.2") c,
"shared1",
"test_get_shared_nodes_1",
"686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
"100.64.0.1",
)
_, m2 := CreateNodeNamespace(
c,
"shared2",
"test_get_shared_nodes_2",
"dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
"100.64.0.2",
)
p1s, err := h.getPeers(m1) p1s, err := h.getPeers(m1)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
@ -123,9 +177,27 @@ func (s *Suite) TestDoNotIncludeRoutesOnShared(c *check.C) {
} }
func (s *Suite) TestComplexSharingAcrossNamespaces(c *check.C) { func (s *Suite) TestComplexSharingAcrossNamespaces(c *check.C) {
n1, m1 := CreateNodeNamespace(c, "shared1", "test_get_shared_nodes_1", "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66", "100.64.0.1") n1, m1 := CreateNodeNamespace(
_, m2 := CreateNodeNamespace(c, "shared2", "test_get_shared_nodes_2", "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863", "100.64.0.2") c,
_, m3 := CreateNodeNamespace(c, "shared3", "test_get_shared_nodes_3", "6e704bee83eb93db6fc2c417d7882964cd3f8cc87082cbb645982e34020c76c8", "100.64.0.3") "shared1",
"test_get_shared_nodes_1",
"686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
"100.64.0.1",
)
_, m2 := CreateNodeNamespace(
c,
"shared2",
"test_get_shared_nodes_2",
"dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
"100.64.0.2",
)
_, m3 := CreateNodeNamespace(
c,
"shared3",
"test_get_shared_nodes_3",
"6e704bee83eb93db6fc2c417d7882964cd3f8cc87082cbb645982e34020c76c8",
"100.64.0.3",
)
pak4, err := h.CreatePreAuthKey(n1.Name, false, false, nil) pak4, err := h.CreatePreAuthKey(n1.Name, false, false, nil)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
@ -172,15 +244,37 @@ func (s *Suite) TestComplexSharingAcrossNamespaces(c *check.C) {
pSharedTo, err := h.getPeers(m2) pSharedTo, err := h.getPeers(m2)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
c.Assert(len(pSharedTo), check.Equals, 2) // node2 should see node1 (sharedTo) and node4 (sharedTo), as is shared in namespace1 c.Assert(
len(pSharedTo),
check.Equals,
2,
) // node2 should see node1 (sharedTo) and node4 (sharedTo), as is shared in namespace1
c.Assert(pSharedTo[0].Name, check.Equals, m1.Name) c.Assert(pSharedTo[0].Name, check.Equals, m1.Name)
c.Assert(pSharedTo[1].Name, check.Equals, m4.Name) c.Assert(pSharedTo[1].Name, check.Equals, m4.Name)
} }
func (s *Suite) TestDeleteSharedMachine(c *check.C) { func (s *Suite) TestDeleteSharedMachine(c *check.C) {
n1, m1 := CreateNodeNamespace(c, "shared1", "test_get_shared_nodes_1", "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66", "100.64.0.1") n1, m1 := CreateNodeNamespace(
_, m2 := CreateNodeNamespace(c, "shared2", "test_get_shared_nodes_2", "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863", "100.64.0.2") c,
_, m3 := CreateNodeNamespace(c, "shared3", "test_get_shared_nodes_3", "6e704bee83eb93db6fc2c417d7882964cd3f8cc87082cbb645982e34020c76c8", "100.64.0.3") "shared1",
"test_get_shared_nodes_1",
"686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
"100.64.0.1",
)
_, m2 := CreateNodeNamespace(
c,
"shared2",
"test_get_shared_nodes_2",
"dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
"100.64.0.2",
)
_, m3 := CreateNodeNamespace(
c,
"shared3",
"test_get_shared_nodes_3",
"6e704bee83eb93db6fc2c417d7882964cd3f8cc87082cbb645982e34020c76c8",
"100.64.0.3",
)
pak4n1, err := h.CreatePreAuthKey(n1.Name, false, false, nil) pak4n1, err := h.CreatePreAuthKey(n1.Name, false, false, nil)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
@ -226,12 +320,12 @@ func (s *Suite) TestDeleteSharedMachine(c *check.C) {
sharedMachines, err := h.ListSharedMachinesInNamespace(n1.Name) sharedMachines, err := h.ListSharedMachinesInNamespace(n1.Name)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
c.Assert(len(*sharedMachines), check.Equals, 1) c.Assert(len(sharedMachines), check.Equals, 1)
err = h.DeleteMachine(m2) err = h.DeleteMachine(m2)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
sharedMachines, err = h.ListSharedMachinesInNamespace(n1.Name) sharedMachines, err = h.ListSharedMachinesInNamespace(n1.Name)
c.Assert(err, check.IsNil) c.Assert(err, check.IsNil)
c.Assert(len(*sharedMachines), check.Equals, 0) c.Assert(len(sharedMachines), check.Equals, 0)
} }