mirror of https://github.com/hashicorp/consul
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
506 lines
16 KiB
506 lines
16 KiB
package agent |
|
|
|
import ( |
|
"fmt" |
|
"io" |
|
"testing" |
|
"time" |
|
|
|
"github.com/armon/go-metrics" |
|
"github.com/hashicorp/go-hclog" |
|
"github.com/hashicorp/serf/serf" |
|
|
|
"github.com/hashicorp/consul/acl" |
|
"github.com/hashicorp/consul/agent/config" |
|
"github.com/hashicorp/consul/agent/consul" |
|
"github.com/hashicorp/consul/agent/local" |
|
"github.com/hashicorp/consul/agent/structs" |
|
"github.com/hashicorp/consul/lib" |
|
"github.com/hashicorp/consul/sdk/testutil" |
|
"github.com/hashicorp/consul/types" |
|
|
|
"github.com/stretchr/testify/require" |
|
) |
|
|
|
type authzResolver func(string) (structs.ACLIdentity, acl.Authorizer, error) |
|
type identResolver func(string) (structs.ACLIdentity, error) |
|
|
|
type TestACLAgent struct { |
|
resolveAuthzFn authzResolver |
|
resolveIdentFn identResolver |
|
|
|
*Agent |
|
} |
|
|
|
// NewTestACLAgent does just enough so that all the code within agent/acl.go can work |
|
// Basically it needs a local state for some of the vet* functions, a logger and a delegate. |
|
// The key is that we are the delegate so we can control the ResolveToken responses |
|
func NewTestACLAgent(t *testing.T, name string, hcl string, resolveAuthz authzResolver, resolveIdent identResolver) *TestACLAgent { |
|
t.Helper() |
|
|
|
a := &TestACLAgent{resolveAuthzFn: resolveAuthz, resolveIdentFn: resolveIdent} |
|
|
|
dataDir := testutil.TempDir(t, "acl-agent") |
|
|
|
logBuffer := testutil.NewLogBuffer(t) |
|
loader := func(source config.Source) (config.LoadResult, error) { |
|
dataDir := fmt.Sprintf(`data_dir = "%s"`, dataDir) |
|
opts := config.LoadOpts{ |
|
HCL: []string{TestConfigHCL(NodeID()), hcl, dataDir}, |
|
DefaultConfig: source, |
|
} |
|
result, err := config.Load(opts) |
|
if result.RuntimeConfig != nil { |
|
result.RuntimeConfig.Telemetry.Disable = true |
|
} |
|
return result, err |
|
} |
|
bd, err := NewBaseDeps(loader, logBuffer) |
|
require.NoError(t, err) |
|
|
|
bd.Logger = hclog.NewInterceptLogger(&hclog.LoggerOptions{ |
|
Name: name, |
|
Level: hclog.Debug, |
|
Output: logBuffer, |
|
TimeFormat: "04:05.000", |
|
}) |
|
bd.MetricsHandler = metrics.NewInmemSink(1*time.Second, time.Minute) |
|
|
|
agent, err := New(bd) |
|
require.NoError(t, err) |
|
|
|
agent.delegate = a |
|
agent.State = local.NewState(LocalConfig(bd.RuntimeConfig), bd.Logger, bd.Tokens) |
|
agent.State.TriggerSyncChanges = func() {} |
|
a.Agent = agent |
|
return a |
|
} |
|
|
|
func (a *TestACLAgent) UseLegacyACLs() bool { |
|
return false |
|
} |
|
|
|
func (a *TestACLAgent) ResolveToken(secretID string) (acl.Authorizer, error) { |
|
if a.resolveAuthzFn == nil { |
|
return nil, fmt.Errorf("ResolveToken call is unexpected - no authz resolver callback set") |
|
} |
|
|
|
_, authz, err := a.resolveAuthzFn(secretID) |
|
return authz, err |
|
} |
|
|
|
func (a *TestACLAgent) ResolveTokenToIdentityAndAuthorizer(secretID string) (structs.ACLIdentity, acl.Authorizer, error) { |
|
if a.resolveAuthzFn == nil { |
|
return nil, nil, fmt.Errorf("ResolveTokenToIdentityAndAuthorizer call is unexpected - no authz resolver callback set") |
|
} |
|
|
|
return a.resolveAuthzFn(secretID) |
|
} |
|
|
|
func (a *TestACLAgent) ResolveTokenToIdentity(secretID string) (structs.ACLIdentity, error) { |
|
if a.resolveIdentFn == nil { |
|
return nil, fmt.Errorf("ResolveTokenToIdentity call is unexpected - no ident resolver callback set") |
|
} |
|
|
|
return a.resolveIdentFn(secretID) |
|
} |
|
|
|
func (a *TestACLAgent) ResolveTokenAndDefaultMeta(secretID string, entMeta *structs.EnterpriseMeta, authzContext *acl.AuthorizerContext) (acl.Authorizer, error) { |
|
identity, authz, err := a.ResolveTokenToIdentityAndAuthorizer(secretID) |
|
if err != nil { |
|
return nil, err |
|
} |
|
|
|
// Default the EnterpriseMeta based on the Tokens meta or actual defaults |
|
// in the case of unknown identity |
|
if identity != nil { |
|
entMeta.Merge(identity.EnterpriseMetadata()) |
|
} else { |
|
entMeta.Merge(structs.DefaultEnterpriseMeta()) |
|
} |
|
|
|
// Use the meta to fill in the ACL authorization context |
|
entMeta.FillAuthzContext(authzContext) |
|
|
|
return authz, err |
|
} |
|
|
|
// All of these are stubs to satisfy the interface |
|
func (a *TestACLAgent) GetLANCoordinate() (lib.CoordinateSet, error) { |
|
return nil, fmt.Errorf("Unimplemented") |
|
} |
|
func (a *TestACLAgent) Leave() error { |
|
return fmt.Errorf("Unimplemented") |
|
} |
|
func (a *TestACLAgent) LANMembers() []serf.Member { |
|
return nil |
|
} |
|
func (a *TestACLAgent) LANMembersAllSegments() ([]serf.Member, error) { |
|
return nil, fmt.Errorf("Unimplemented") |
|
} |
|
func (a *TestACLAgent) LANSegmentMembers(segment string) ([]serf.Member, error) { |
|
return nil, fmt.Errorf("Unimplemented") |
|
} |
|
func (a *TestACLAgent) LocalMember() serf.Member { |
|
return serf.Member{} |
|
} |
|
func (a *TestACLAgent) JoinLAN(addrs []string) (n int, err error) { |
|
return 0, fmt.Errorf("Unimplemented") |
|
} |
|
func (a *TestACLAgent) RemoveFailedNode(node string, prune bool) error { |
|
return fmt.Errorf("Unimplemented") |
|
} |
|
|
|
func (a *TestACLAgent) RPC(method string, args interface{}, reply interface{}) error { |
|
return fmt.Errorf("Unimplemented") |
|
} |
|
func (a *TestACLAgent) SnapshotRPC(args *structs.SnapshotRequest, in io.Reader, out io.Writer, replyFn structs.SnapshotReplyFn) error { |
|
return fmt.Errorf("Unimplemented") |
|
} |
|
func (a *TestACLAgent) Shutdown() error { |
|
return fmt.Errorf("Unimplemented") |
|
} |
|
func (a *TestACLAgent) Stats() map[string]map[string]string { |
|
return nil |
|
} |
|
func (a *TestACLAgent) ReloadConfig(_ consul.ReloadableConfig) error { |
|
return fmt.Errorf("Unimplemented") |
|
} |
|
|
|
func TestACL_Version8EnabledByDefault(t *testing.T) { |
|
t.Parallel() |
|
|
|
called := false |
|
resolveFn := func(string) (structs.ACLIdentity, acl.Authorizer, error) { |
|
called = true |
|
return nil, nil, acl.ErrNotFound |
|
} |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), resolveFn, nil) |
|
|
|
_, err := a.delegate.ResolveTokenAndDefaultMeta("nope", nil, nil) |
|
require.Error(t, err) |
|
require.True(t, called) |
|
} |
|
|
|
func authzFromPolicy(policy *acl.Policy, cfg *acl.Config) (acl.Authorizer, error) { |
|
return acl.NewPolicyAuthorizerWithDefaults(acl.DenyAll(), []*acl.Policy{policy}, cfg) |
|
} |
|
|
|
type testToken struct { |
|
token structs.ACLToken |
|
// yes the rules can exist on the token itself but that is legacy behavior |
|
// that I would prefer these tests not rely on |
|
rules string |
|
} |
|
|
|
var ( |
|
nodeROSecret = "7e80d017-bccc-492f-8dec-65f03aeaebf3" |
|
nodeRWSecret = "e3586ee5-02a2-4bf4-9ec3-9c4be7606e8c" |
|
serviceROSecret = "3d2c8552-df3b-4da7-9890-36885cbf56ac" |
|
serviceRWSecret = "4a1017a2-f788-4be3-93f2-90566f1340bb" |
|
otherRWSecret = "a38e8016-91b6-4876-b3e7-a307abbb2002" |
|
|
|
testTokens = map[string]testToken{ |
|
nodeROSecret: { |
|
token: structs.ACLToken{ |
|
AccessorID: "9df2d1a4-2d07-414e-8ead-6053f56ed2eb", |
|
SecretID: nodeROSecret, |
|
}, |
|
rules: `node_prefix "Node" { policy = "read" }`, |
|
}, |
|
nodeRWSecret: { |
|
token: structs.ACLToken{ |
|
AccessorID: "efb6b7d5-d343-47c1-b4cb-aa6b94d2f490", |
|
SecretID: nodeRWSecret, |
|
}, |
|
rules: `node_prefix "Node" { policy = "write" }`, |
|
}, |
|
serviceROSecret: { |
|
token: structs.ACLToken{ |
|
AccessorID: "0da53edb-36e5-4603-9c31-79965bad45f5", |
|
SecretID: serviceROSecret, |
|
}, |
|
rules: `service_prefix "service" { policy = "read" }`, |
|
}, |
|
serviceRWSecret: { |
|
token: structs.ACLToken{ |
|
AccessorID: "52504258-137a-41e6-9326-01f40e80872e", |
|
SecretID: serviceRWSecret, |
|
}, |
|
rules: `service_prefix "service" { policy = "write" }`, |
|
}, |
|
otherRWSecret: { |
|
token: structs.ACLToken{ |
|
AccessorID: "5e032c5b-c39e-4552-b5ad-8a9365b099c4", |
|
SecretID: otherRWSecret, |
|
}, |
|
rules: `service_prefix "other" { policy = "write" }`, |
|
}, |
|
} |
|
) |
|
|
|
func catalogPolicy(token string) (structs.ACLIdentity, acl.Authorizer, error) { |
|
tok, ok := testTokens[token] |
|
if !ok { |
|
return nil, nil, acl.ErrNotFound |
|
} |
|
|
|
policy, err := acl.NewPolicyFromSource("", 0, tok.rules, acl.SyntaxCurrent, nil, nil) |
|
if err != nil { |
|
return nil, nil, err |
|
} |
|
|
|
authz, err := authzFromPolicy(policy, nil) |
|
return &tok.token, authz, err |
|
} |
|
|
|
func catalogIdent(token string) (structs.ACLIdentity, error) { |
|
tok, ok := testTokens[token] |
|
if !ok { |
|
return nil, acl.ErrNotFound |
|
} |
|
|
|
return &tok.token, nil |
|
} |
|
|
|
func TestACL_vetServiceRegister(t *testing.T) { |
|
t.Parallel() |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), catalogPolicy, catalogIdent) |
|
|
|
// Register a new service, with permission. |
|
err := a.vetServiceRegister(serviceRWSecret, &structs.NodeService{ |
|
ID: "my-service", |
|
Service: "service", |
|
}) |
|
require.NoError(t, err) |
|
|
|
// Register a new service without write privs. |
|
err = a.vetServiceRegister(serviceROSecret, &structs.NodeService{ |
|
ID: "my-service", |
|
Service: "service", |
|
}) |
|
require.True(t, acl.IsErrPermissionDenied(err)) |
|
|
|
// Try to register over a service without write privs to the existing |
|
// service. |
|
a.State.AddService(&structs.NodeService{ |
|
ID: "my-service", |
|
Service: "other", |
|
}, "") |
|
err = a.vetServiceRegister(serviceRWSecret, &structs.NodeService{ |
|
ID: "my-service", |
|
Service: "service", |
|
}) |
|
require.True(t, acl.IsErrPermissionDenied(err)) |
|
} |
|
|
|
func TestACL_vetServiceUpdate(t *testing.T) { |
|
t.Parallel() |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), catalogPolicy, catalogIdent) |
|
|
|
// Update a service that doesn't exist. |
|
err := a.vetServiceUpdate(serviceRWSecret, structs.NewServiceID("my-service", nil)) |
|
require.Error(t, err) |
|
require.Contains(t, err.Error(), "Unknown service") |
|
|
|
// Update with write privs. |
|
a.State.AddService(&structs.NodeService{ |
|
ID: "my-service", |
|
Service: "service", |
|
}, "") |
|
err = a.vetServiceUpdate(serviceRWSecret, structs.NewServiceID("my-service", nil)) |
|
require.NoError(t, err) |
|
|
|
// Update without write privs. |
|
err = a.vetServiceUpdate(serviceROSecret, structs.NewServiceID("my-service", nil)) |
|
require.Error(t, err) |
|
require.True(t, acl.IsErrPermissionDenied(err)) |
|
} |
|
|
|
func TestACL_vetCheckRegister(t *testing.T) { |
|
t.Parallel() |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), catalogPolicy, catalogIdent) |
|
|
|
// Register a new service check with write privs. |
|
err := a.vetCheckRegister(serviceRWSecret, &structs.HealthCheck{ |
|
CheckID: types.CheckID("my-check"), |
|
ServiceID: "my-service", |
|
ServiceName: "service", |
|
}) |
|
require.NoError(t, err) |
|
|
|
// Register a new service check without write privs. |
|
err = a.vetCheckRegister(serviceROSecret, &structs.HealthCheck{ |
|
CheckID: types.CheckID("my-check"), |
|
ServiceID: "my-service", |
|
ServiceName: "service", |
|
}) |
|
require.Error(t, err) |
|
require.True(t, acl.IsErrPermissionDenied(err)) |
|
|
|
// Register a new node check with write privs. |
|
err = a.vetCheckRegister(nodeRWSecret, &structs.HealthCheck{ |
|
CheckID: types.CheckID("my-check"), |
|
}) |
|
require.NoError(t, err) |
|
|
|
// Register a new node check without write privs. |
|
err = a.vetCheckRegister(nodeROSecret, &structs.HealthCheck{ |
|
CheckID: types.CheckID("my-check"), |
|
}) |
|
require.Error(t, err) |
|
require.True(t, acl.IsErrPermissionDenied(err)) |
|
|
|
// Try to register over a service check without write privs to the |
|
// existing service. |
|
a.State.AddService(&structs.NodeService{ |
|
ID: "my-service", |
|
Service: "service", |
|
}, "") |
|
a.State.AddCheck(&structs.HealthCheck{ |
|
CheckID: types.CheckID("my-check"), |
|
ServiceID: "my-service", |
|
ServiceName: "other", |
|
}, "") |
|
err = a.vetCheckRegister(serviceRWSecret, &structs.HealthCheck{ |
|
CheckID: types.CheckID("my-check"), |
|
ServiceID: "my-service", |
|
ServiceName: "service", |
|
}) |
|
require.Error(t, err) |
|
require.True(t, acl.IsErrPermissionDenied(err)) |
|
|
|
// Try to register over a node check without write privs to the node. |
|
a.State.AddCheck(&structs.HealthCheck{ |
|
CheckID: types.CheckID("my-node-check"), |
|
}, "") |
|
err = a.vetCheckRegister(serviceRWSecret, &structs.HealthCheck{ |
|
CheckID: types.CheckID("my-node-check"), |
|
ServiceID: "my-service", |
|
ServiceName: "service", |
|
}) |
|
require.Error(t, err) |
|
require.True(t, acl.IsErrPermissionDenied(err)) |
|
} |
|
|
|
func TestACL_vetCheckUpdate(t *testing.T) { |
|
t.Parallel() |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), catalogPolicy, catalogIdent) |
|
|
|
// Update a check that doesn't exist. |
|
err := a.vetCheckUpdate(nodeRWSecret, structs.NewCheckID("my-check", nil)) |
|
require.Error(t, err) |
|
require.Contains(t, err.Error(), "Unknown check") |
|
|
|
// Update service check with write privs. |
|
a.State.AddService(&structs.NodeService{ |
|
ID: "my-service", |
|
Service: "service", |
|
}, "") |
|
a.State.AddCheck(&structs.HealthCheck{ |
|
CheckID: types.CheckID("my-service-check"), |
|
ServiceID: "my-service", |
|
ServiceName: "service", |
|
}, "") |
|
err = a.vetCheckUpdate(serviceRWSecret, structs.NewCheckID("my-service-check", nil)) |
|
require.NoError(t, err) |
|
|
|
// Update service check without write privs. |
|
err = a.vetCheckUpdate(serviceROSecret, structs.NewCheckID("my-service-check", nil)) |
|
require.Error(t, err) |
|
require.True(t, acl.IsErrPermissionDenied(err), "not permission denied: %s", err.Error()) |
|
|
|
// Update node check with write privs. |
|
a.State.AddCheck(&structs.HealthCheck{ |
|
CheckID: types.CheckID("my-node-check"), |
|
}, "") |
|
err = a.vetCheckUpdate(nodeRWSecret, structs.NewCheckID("my-node-check", nil)) |
|
require.NoError(t, err) |
|
|
|
// Update without write privs. |
|
err = a.vetCheckUpdate(nodeROSecret, structs.NewCheckID("my-node-check", nil)) |
|
require.Error(t, err) |
|
require.True(t, acl.IsErrPermissionDenied(err)) |
|
} |
|
|
|
func TestACL_filterMembers(t *testing.T) { |
|
t.Parallel() |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), catalogPolicy, catalogIdent) |
|
|
|
var members []serf.Member |
|
require.NoError(t, a.filterMembers(nodeROSecret, &members)) |
|
require.Len(t, members, 0) |
|
|
|
members = []serf.Member{ |
|
{Name: "Node 1"}, |
|
{Name: "Nope"}, |
|
{Name: "Node 2"}, |
|
} |
|
require.NoError(t, a.filterMembers(nodeROSecret, &members)) |
|
require.Len(t, members, 2) |
|
require.Equal(t, members[0].Name, "Node 1") |
|
require.Equal(t, members[1].Name, "Node 2") |
|
} |
|
|
|
func TestACL_filterServices(t *testing.T) { |
|
t.Parallel() |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), catalogPolicy, catalogIdent) |
|
|
|
services := make(map[structs.ServiceID]*structs.NodeService) |
|
require.NoError(t, a.filterServices(nodeROSecret, &services)) |
|
|
|
services[structs.NewServiceID("my-service", nil)] = &structs.NodeService{ID: "my-service", Service: "service"} |
|
services[structs.NewServiceID("my-other", nil)] = &structs.NodeService{ID: "my-other", Service: "other"} |
|
require.NoError(t, a.filterServices(serviceROSecret, &services)) |
|
require.Contains(t, services, structs.NewServiceID("my-service", nil)) |
|
require.NotContains(t, services, structs.NewServiceID("my-other", nil)) |
|
} |
|
|
|
func TestACL_filterChecks(t *testing.T) { |
|
t.Parallel() |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), catalogPolicy, catalogIdent) |
|
|
|
checks := make(map[structs.CheckID]*structs.HealthCheck) |
|
require.NoError(t, a.filterChecks(nodeROSecret, &checks)) |
|
|
|
checks[structs.NewCheckID("my-node", nil)] = &structs.HealthCheck{} |
|
checks[structs.NewCheckID("my-service", nil)] = &structs.HealthCheck{ServiceName: "service"} |
|
checks[structs.NewCheckID("my-other", nil)] = &structs.HealthCheck{ServiceName: "other"} |
|
require.NoError(t, a.filterChecks(serviceROSecret, &checks)) |
|
_, ok := checks[structs.NewCheckID("my-node", nil)] |
|
require.False(t, ok) |
|
_, ok = checks[structs.NewCheckID("my-service", nil)] |
|
require.True(t, ok) |
|
_, ok = checks[structs.NewCheckID("my-other", nil)] |
|
require.False(t, ok) |
|
|
|
checks[structs.NewCheckID("my-node", nil)] = &structs.HealthCheck{} |
|
checks[structs.NewCheckID("my-service", nil)] = &structs.HealthCheck{ServiceName: "service"} |
|
checks[structs.NewCheckID("my-other", nil)] = &structs.HealthCheck{ServiceName: "other"} |
|
require.NoError(t, a.filterChecks(nodeROSecret, &checks)) |
|
_, ok = checks[structs.NewCheckID("my-node", nil)] |
|
require.True(t, ok) |
|
_, ok = checks[structs.NewCheckID("my-service", nil)] |
|
require.False(t, ok) |
|
_, ok = checks[structs.NewCheckID("my-other", nil)] |
|
require.False(t, ok) |
|
} |
|
|
|
// TODO: remove? |
|
func TestACL_ResolveIdentity(t *testing.T) { |
|
t.Parallel() |
|
a := NewTestACLAgent(t, t.Name(), TestACLConfig(), nil, catalogIdent) |
|
|
|
// this test is meant to ensure we are calling the correct function |
|
// which is ResolveTokenToIdentity on the Agent delegate. Our |
|
// nil authz resolver will cause it to emit an error if used |
|
ident, err := a.delegate.ResolveTokenToIdentity(nodeROSecret) |
|
require.NoError(t, err) |
|
require.NotNil(t, ident) |
|
|
|
// just double checkingto ensure if we had used the wrong function |
|
// that an error would be produced |
|
_, err = a.delegate.ResolveTokenAndDefaultMeta(nodeROSecret, nil, nil) |
|
require.Error(t, err) |
|
|
|
}
|
|
|