github.com/imran-kn/cilium-fork@v1.6.9/pkg/policy/api/entity_test.go (about)

     1  // Copyright 2018-2019 Authors of Cilium
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // +build !privileged_tests
    16  
    17  package api
    18  
    19  import (
    20  	"fmt"
    21  
    22  	k8sapi "github.com/cilium/cilium/pkg/k8s/apis/cilium.io"
    23  	"github.com/cilium/cilium/pkg/labels"
    24  
    25  	. "gopkg.in/check.v1"
    26  )
    27  
    28  // matches returns true if the entity matches the labels
    29  func (e Entity) matches(ctx labels.LabelArray) bool {
    30  	return EntitySlice{e}.matches(ctx)
    31  }
    32  
    33  // matches returns true if any of the entities in the slice match the labels
    34  func (s EntitySlice) matches(ctx labels.LabelArray) bool {
    35  	return s.GetAsEndpointSelectors().Matches(ctx)
    36  }
    37  
    38  func (s *PolicyAPITestSuite) TestEntityMatches(c *C) {
    39  	InitEntities("cluster1")
    40  
    41  	c.Assert(EntityHost.matches(labels.ParseLabelArray("reserved:host")), Equals, true)
    42  	c.Assert(EntityHost.matches(labels.ParseLabelArray("reserved:host", "id:foo")), Equals, true)
    43  	c.Assert(EntityHost.matches(labels.ParseLabelArray("reserved:world")), Equals, false)
    44  	c.Assert(EntityHost.matches(labels.ParseLabelArray("reserved:unmanaged")), Equals, false)
    45  	c.Assert(EntityHost.matches(labels.ParseLabelArray("reserved:none")), Equals, false)
    46  	c.Assert(EntityHost.matches(labels.ParseLabelArray("id=foo")), Equals, false)
    47  
    48  	c.Assert(EntityAll.matches(labels.ParseLabelArray("reserved:host")), Equals, true)
    49  	c.Assert(EntityAll.matches(labels.ParseLabelArray("reserved:world")), Equals, true)
    50  	c.Assert(EntityAll.matches(labels.ParseLabelArray("reserved:unmanaged")), Equals, true)
    51  	c.Assert(EntityAll.matches(labels.ParseLabelArray("reserved:none")), Equals, true) // in a white-list model, All trumps None
    52  	c.Assert(EntityAll.matches(labels.ParseLabelArray("id=foo")), Equals, true)
    53  
    54  	c.Assert(EntityCluster.matches(labels.ParseLabelArray("reserved:host")), Equals, true)
    55  	c.Assert(EntityCluster.matches(labels.ParseLabelArray("reserved:init")), Equals, true)
    56  	c.Assert(EntityCluster.matches(labels.ParseLabelArray("reserved:unmanaged")), Equals, true)
    57  	c.Assert(EntityCluster.matches(labels.ParseLabelArray("reserved:world")), Equals, false)
    58  	c.Assert(EntityCluster.matches(labels.ParseLabelArray("reserved:none")), Equals, false)
    59  
    60  	clusterLabel := fmt.Sprintf("k8s:%s=%s", k8sapi.PolicyLabelCluster, "cluster1")
    61  	c.Assert(EntityCluster.matches(labels.ParseLabelArray(clusterLabel, "id=foo")), Equals, true)
    62  	c.Assert(EntityCluster.matches(labels.ParseLabelArray(clusterLabel, "id=foo", "id=bar")), Equals, true)
    63  	c.Assert(EntityCluster.matches(labels.ParseLabelArray("id=foo")), Equals, false)
    64  
    65  	c.Assert(EntityWorld.matches(labels.ParseLabelArray("reserved:host")), Equals, false)
    66  	c.Assert(EntityWorld.matches(labels.ParseLabelArray("reserved:world")), Equals, true)
    67  	c.Assert(EntityWorld.matches(labels.ParseLabelArray("reserved:unmanaged")), Equals, false)
    68  	c.Assert(EntityWorld.matches(labels.ParseLabelArray("reserved:none")), Equals, false)
    69  	c.Assert(EntityWorld.matches(labels.ParseLabelArray("id=foo")), Equals, false)
    70  	c.Assert(EntityWorld.matches(labels.ParseLabelArray("id=foo", "id=bar")), Equals, false)
    71  
    72  	c.Assert(EntityNone.matches(labels.ParseLabelArray("reserved:host")), Equals, false)
    73  	c.Assert(EntityNone.matches(labels.ParseLabelArray("reserved:world")), Equals, false)
    74  	c.Assert(EntityNone.matches(labels.ParseLabelArray("reserved:unmanaged")), Equals, false)
    75  	c.Assert(EntityNone.matches(labels.ParseLabelArray("reserved:init")), Equals, false)
    76  	c.Assert(EntityNone.matches(labels.ParseLabelArray("id=foo")), Equals, false)
    77  	c.Assert(EntityNone.matches(labels.ParseLabelArray(clusterLabel, "id=foo", "id=bar")), Equals, false)
    78  
    79  }
    80  
    81  func (s *PolicyAPITestSuite) TestEntitySliceMatches(c *C) {
    82  	InitEntities("cluster1")
    83  
    84  	slice := EntitySlice{EntityHost, EntityWorld}
    85  	c.Assert(slice.matches(labels.ParseLabelArray("reserved:host")), Equals, true)
    86  	c.Assert(slice.matches(labels.ParseLabelArray("reserved:world")), Equals, true)
    87  	c.Assert(slice.matches(labels.ParseLabelArray("reserved:unmanaged")), Equals, false)
    88  	c.Assert(slice.matches(labels.ParseLabelArray("reserved:none")), Equals, false)
    89  	c.Assert(slice.matches(labels.ParseLabelArray("id=foo")), Equals, false)
    90  }