infrastructure

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 Go to latest Published: Feb 27, 2019 License: Apache-2.0 Imports: 22 Imported by: 0

Documentation

Overview

Copyright (c) 2018 Tigera, Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at 

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Constants

This section is empty.

Variables

View Source 
var DeleteImmediately = &metav1.DeleteOptions{
	GracePeriodSeconds: &zeroGracePeriod,
}

Functions

func DatastoreDescribe 

func DatastoreDescribe(description string, datastores []apiconfig.DatastoreType, body func(InfraFactory)) bool

DatastoreDescribe is a replacement for ginkgo.Describe which invokes Describe multiple times for one or more different datastore drivers - passing in the function to retrieve the appropriate datastore infrastructure. This allows easy construction of end-to-end tests covering multiple different datastore drivers.

The *datastores* parameter is a slice of the DatastoreTypes to test.

func RunEtcd 

func RunEtcd() *containers.Container

func TearDownK8sInfra 

func TearDownK8sInfra(kds *K8sDatastoreInfra)

Types

type DatastoreInfra 

type DatastoreInfra interface {
	// GetDockerArgs returns a string slice of args to be passed to the docker
	// run command when starting Typha or Felix. It includes
	// CALICO_DATASTORE_TYPE, FELIX_DATASTORETYPE, an appropriate endpoint,
	// and any datastore specific needed ones.
	GetDockerArgs() []string
	// GetBadEndpointDockerArgs returns the same as GetDockerArgs but the
	// endpoint returned will have the incorrect port.
	GetBadEndpointDockerArgs() []string

	// GetCalicoClient will return a client.Interface configured to access
	// the datastore.
	GetCalicoClient() client.Interface
	// AddNode will take the appropriate steps to add a node to the datastore.
	// From the passed in felix the Hostname and IPv4 address will be pulled
	// and added to the Node appropriately.
	// The passed in idx will be used to setup the Tunnel or PodCIDR (from
	// which the tunnel is created). needBGP is used (only in etcd) to
	// add a NodeBGPSpec if true or otherwise not.
	AddNode(felix *Felix, idx int, needBGP bool)
	// AddWorkload will take the appropriate steps to create a workload in the
	// datastore with the passed in wep values. If this succeeds then the
	// *api.WorkloadEndpoint will be returned, otherwise an error will be
	// returned.
	AddWorkload(wep *api.WorkloadEndpoint) (*api.WorkloadEndpoint, error)
	// AddDefaultAllow will ensure that the datastore is configured so that
	// the default profile/namespace will allow traffic.
	AddDefaultAllow() error
	// AddDefaultDeny will ensure that the datastore is configured so that
	// the default profile/namespace will deny ingress traffic.
	AddDefaultDeny() error
	// AddAllowToDatastore adds a policy to allow endpoints that match the given
	// selector to reach the datastore.
	AddAllowToDatastore(selector string) error

	// DumpErrorData prints out extra information that may help when an error
	// occurs.
	DumpErrorData()

	// Stop cleans up anything necessary in preparation for the end of the test.
	Stop()
}

DatastoreInfra is an interface that is to be used to abstract away the datastore being used and the functions that are datastore specific

type EtcdDatastoreInfra 

type EtcdDatastoreInfra struct {
	Endpoint    string
	BadEndpoint string
	// contains filtered or unexported fields
}

func GetEtcdDatastoreInfra 

func GetEtcdDatastoreInfra() (*EtcdDatastoreInfra, error)

func (*EtcdDatastoreInfra) AddAllowToDatastore 

func (eds *EtcdDatastoreInfra) AddAllowToDatastore(selector string) error

func (*EtcdDatastoreInfra) AddDefaultAllow 

func (eds *EtcdDatastoreInfra) AddDefaultAllow() error

func (*EtcdDatastoreInfra) AddDefaultDeny 

func (eds *EtcdDatastoreInfra) AddDefaultDeny() error

func (*EtcdDatastoreInfra) AddNode 

func (eds *EtcdDatastoreInfra) AddNode(felix *Felix, idx int, needBGP bool)

func (*EtcdDatastoreInfra) AddWorkload 

func (eds *EtcdDatastoreInfra) AddWorkload(wep *api.WorkloadEndpoint) (*api.WorkloadEndpoint, error)

func (*EtcdDatastoreInfra) DumpErrorData 

func (eds *EtcdDatastoreInfra) DumpErrorData()

func (*EtcdDatastoreInfra) GetBadEndpointDockerArgs 

func (eds *EtcdDatastoreInfra) GetBadEndpointDockerArgs() []string

func (*EtcdDatastoreInfra) GetCalicoClient 

func (eds *EtcdDatastoreInfra) GetCalicoClient() client.Interface

func (*EtcdDatastoreInfra) GetDockerArgs 

func (eds *EtcdDatastoreInfra) GetDockerArgs() []string

func (*EtcdDatastoreInfra) Stop 

func (eds *EtcdDatastoreInfra) Stop()

type Felix 

type Felix struct {
	*containers.Container
}

func RunFelix 

func RunFelix(infra DatastoreInfra, options TopologyOptions) *Felix

func StartNNodeEtcdTopology 

func StartNNodeEtcdTopology(n int, opts TopologyOptions) (felixes []*Felix, etcd *containers.Container, client client.Interface)

StartNNodeEtcdTopology starts an etcd container and a set of Felix hosts. If n > 1, sets up IPIP, otherwise this is skipped.

  • Configures an IPAM pool for 10.65.0.0/16 (so that Felix programs the all-IPAM blocks IP set) but (for simplicity) we don't actually use IPAM to assign IPs.
  • Configures routes between the hosts, giving each host 10.65.x.0/24, where x is the index in the returned array. When creating workloads, use IPs from the relevant block.
  • Configures the Tunnel IP for each host as 10.65.x.1.

func StartNNodeTopology 

func StartNNodeTopology(n int, opts TopologyOptions, infra DatastoreInfra) (felixes []*Felix, client client.Interface)

StartNNodeEtcdTopology starts an etcd container and a set of Felix hosts. If n > 1, sets up IPIP, otherwise this is skipped.

  • Configures an IPAM pool for 10.65.0.0/16 (so that Felix programs the all-IPAM blocks IP set) but (for simplicity) we don't actually use IPAM to assign IPs.
  • Configures routes between the hosts, giving each host 10.65.x.0/24, where x is the index in the returned array. When creating workloads, use IPs from the relevant block.
  • Configures the Tunnel IP for each host as 10.65.x.1.

func StartSingleNodeEtcdTopology 

func StartSingleNodeEtcdTopology(options TopologyOptions) (felix *Felix, etcd *containers.Container, calicoClient client.Interface)

StartSingleNodeEtcdTopology starts an etcd container and a single Felix container; it initialises the datastore and installs a Node resource for the Felix node.

func StartSingleNodeTopology 

func StartSingleNodeTopology(options TopologyOptions, infra DatastoreInfra) (felix *Felix, calicoClient client.Interface)

StartSingleNodeEtcdTopology starts an etcd container and a single Felix container; it initialises the datastore and installs a Node resource for the Felix node.

func (*Felix) GetFelixPID 

func (f *Felix) GetFelixPID() int

func (*Felix) GetFelixPIDs 

func (f *Felix) GetFelixPIDs() []int

type InfraFactory 

type InfraFactory func() (DatastoreInfra, error)

type K8sDatastoreInfra 

type K8sDatastoreInfra struct {
	K8sClient *kubernetes.Clientset

	Endpoint    string
	BadEndpoint string

	CertFileName string
	// contains filtered or unexported fields
}
var (
	K8sInfra *K8sDatastoreInfra
)

func GetK8sDatastoreInfra 

func GetK8sDatastoreInfra() (*K8sDatastoreInfra, error)

func (*K8sDatastoreInfra) AddAllowToDatastore 

func (kds *K8sDatastoreInfra) AddAllowToDatastore(selector string) error

func (*K8sDatastoreInfra) AddDefaultAllow 

func (kds *K8sDatastoreInfra) AddDefaultAllow() error

func (*K8sDatastoreInfra) AddDefaultDeny 

func (kds *K8sDatastoreInfra) AddDefaultDeny() error

func (*K8sDatastoreInfra) AddNode 

func (kds *K8sDatastoreInfra) AddNode(felix *Felix, idx int, needBGP bool)

func (*K8sDatastoreInfra) AddWorkload 

func (kds *K8sDatastoreInfra) AddWorkload(wep *api.WorkloadEndpoint) (*api.WorkloadEndpoint, error)

func (*K8sDatastoreInfra) DumpErrorData 

func (kds *K8sDatastoreInfra) DumpErrorData()

func (*K8sDatastoreInfra) EnsureReady 

func (kds *K8sDatastoreInfra) EnsureReady()

func (*K8sDatastoreInfra) GetBadEndpointDockerArgs 

func (kds *K8sDatastoreInfra) GetBadEndpointDockerArgs() []string

func (*K8sDatastoreInfra) GetCalicoClient 

func (kds *K8sDatastoreInfra) GetCalicoClient() client.Interface

func (*K8sDatastoreInfra) GetDockerArgs 

func (kds *K8sDatastoreInfra) GetDockerArgs() []string

func (*K8sDatastoreInfra) Stop 

func (kds *K8sDatastoreInfra) Stop()

type TopologyOptions 

type TopologyOptions struct {
	FelixLogSeverity      string
	EnableIPv6            bool
	ExtraEnvVars          map[string]string
	ExtraVolumes          map[string]string
	AlphaFeaturesToEnable string
	IPIPEnabled           bool
}

func DefaultTopologyOptions 

func DefaultTopologyOptions() TopologyOptions

Source Files

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