util

package
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 Go to latest Published: Mar 28, 2017 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Overview

Copyright 2016 The Rook Authors. 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.

Copyright 2016 The Rook Authors. 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.

Copyright 2016 The Rook Authors. 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.

Copyright 2016 The Rook Authors. 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.

Copyright 2016 The Rook Authors. 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.

Copyright 2016 The Rook Authors. 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

View Source 
const (
	InfiniteTimeout = -1
)

Variables

This section is empty.

Functions

func CreateEtcdDir 

func CreateEtcdDir(etcdClient etcd.KeysAPI, key string) error

Create an etcd key. Ignores the error that it already exists.

func EtcdDirExists 

func EtcdDirExists(etcdClient etcd.KeysAPI, key string) (bool, error)

func GetEtcdClient 

func GetEtcdClient(peers []string) (etcd.KeysAPI, error)

func GetEtcdClientFromEnv 

func GetEtcdClientFromEnv() (etcd.KeysAPI, error)

func GetEtcdCode 

func GetEtcdCode(err error) (int, bool)

Converts the error to an etcd error code if possible. Returns the code and true if successfully parsed.

func GetEtcdPeers 

func GetEtcdPeers() ([]string, error)

func GetEtcdValues 

func GetEtcdValues(etcdClient etcd.KeysAPI, keys map[string]string) (values map[string]string, err error)

Get all the values for the specified etcd keys, returned as a map of key names to values.

func GetLeafKeyPath 

func GetLeafKeyPath(key string) string

func GetParentKeyPath 

func GetParentKeyPath(key string) string

func IsEtcdCompareFailed 

func IsEtcdCompareFailed(err error) bool

func IsEtcdDirAlreadyExists 

func IsEtcdDirAlreadyExists(err error) bool

func IsEtcdKeyNotFound 

func IsEtcdKeyNotFound(err error) bool

Check the error to see if it indicates an etcd was not found. True if a match, false otherwise.

func IsEtcdKeyReset 

func IsEtcdKeyReset(err error) bool

Check if the error indicates the etcd key was reset

func IsEtcdNodeExist 

func IsEtcdNodeExist(err error) bool

Check the error to see if it indicates an etcd key already exists. True if so, false otherwise.

func LoadPersistedNodeID added in v0.1.1 

func LoadPersistedNodeID(dataDir string) (string, error)

To ensure a constant node ID between runs, the id will be persisted in the data directory.

func MockEtcdValueResponse 

func MockEtcdValueResponse(key string, value string, index uint64) *etcd.Response

func StoreEtcdProperties 

func StoreEtcdProperties(etcdClient etcd.KeysAPI, baseKey string, properties map[string]string) error

Store each of the properties in etcd

func WatchEtcdKey 

func WatchEtcdKey(etcdClient etcd.KeysAPI, key string, index *uint64, timeout int) (string, bool, error)

Watch an etcd key for changes since the provided index

func WriteFile 

func WriteFile(filePath string, contentBuffer bytes.Buffer) error

func WriteFileToLog added in v0.3.0 

func WriteFileToLog(logger *capnslog.PackageLogger, path string)

Types

type MockEtcdClient 

type MockEtcdClient struct {
	MockSet          func(ctx context.Context, key, value string, opts *etcd.SetOptions) (*etcd.Response, error)
	MockGet          func(ctx context.Context, key string, opts *etcd.GetOptions) (*etcd.Response, error)
	MockDelete       func(ctx context.Context, key string, opts *etcd.DeleteOptions) (*etcd.Response, error)
	MockWatcher      func(key string, opts *etcd.WatcherOptions) etcd.Watcher
	WatcherResponses map[string]string
	// contains filtered or unexported fields
}

************************************************************************************************ KeysAPI interface mock implementation ************************************************************************************************

func NewMockEtcdClient 

func NewMockEtcdClient() *MockEtcdClient

func (*MockEtcdClient) Create 

func (r *MockEtcdClient) Create(ctx context.Context, key, value string) (*etcd.Response, error)

func (*MockEtcdClient) CreateDir 

func (r *MockEtcdClient) CreateDir(key string)

Create a key and its parents as needed

func (*MockEtcdClient) CreateDirs 

func (r *MockEtcdClient) CreateDirs(key string, children *Set)

func (*MockEtcdClient) CreateInOrder 

func (r *MockEtcdClient) CreateInOrder(ctx context.Context, dir, value string, opts *etcd.CreateInOrderOptions) (*etcd.Response, error)

func (*MockEtcdClient) Delete 

func (r *MockEtcdClient) Delete(ctx context.Context, key string, opts *etcd.DeleteOptions) (*etcd.Response, error)

func (*MockEtcdClient) DeleteDir 

func (r *MockEtcdClient) DeleteDir(key string)

Delete a key and its children

func (*MockEtcdClient) DeleteValue 

func (r *MockEtcdClient) DeleteValue(key string)

Delete a value

func (*MockEtcdClient) Dump 

func (r *MockEtcdClient) Dump()

func (*MockEtcdClient) Get 

func (r *MockEtcdClient) Get(ctx context.Context, key string, opts *etcd.GetOptions) (*etcd.Response, error)

Get an etcd value. Defaults to an in-memory response to values that have been set for this client.

func (*MockEtcdClient) GetChildDirs 

func (r *MockEtcdClient) GetChildDirs(key string) *Set

Get the child directories of the key

func (*MockEtcdClient) GetValue 

func (r *MockEtcdClient) GetValue(key string) string

Get a value. If the key was not found, returns the empty string. To distinguish between an empty value and a key not found, call Get()

func (*MockEtcdClient) MockEtcdDirResponse 

func (r *MockEtcdClient) MockEtcdDirResponse(key string, dir *MockEtcdDir, recursive bool, index uint64) *etcd.Response

************************************************************************************************ Helpers to create etcd mocked responses ************************************************************************************************

func (*MockEtcdClient) ResetStore 

func (r *MockEtcdClient) ResetStore()

Reset the test value and directory store

func (*MockEtcdClient) Set 

func (r *MockEtcdClient) Set(ctx context.Context, key, value string, opts *etcd.SetOptions) (*etcd.Response, error)

Set an etcd value. Defaults to an in-memory store.

func (*MockEtcdClient) SetValue 

func (r *MockEtcdClient) SetValue(key, value string)

Set a value

func (*MockEtcdClient) Update 

func (r *MockEtcdClient) Update(ctx context.Context, key, value string) (*etcd.Response, error)

func (*MockEtcdClient) Watcher 

func (r *MockEtcdClient) Watcher(key string, opts *etcd.WatcherOptions) etcd.Watcher

type MockEtcdDir 

type MockEtcdDir struct {
	Path   string
	Dirs   map[string]*MockEtcdDir
	Values map[string]string
}

type MockWatcher 

type MockWatcher struct {
	MockNext func(context.Context) (*etcd.Response, error)
}

************************************************************************************************ Watcher interface Mock implementation ************************************************************************************************

func (*MockWatcher) Next 

func (r *MockWatcher) Next(ctx context.Context) (*etcd.Response, error)

type Set 

type Set struct {
	// contains filtered or unexported fields
}

func CreateSet 

func CreateSet(values []string) *Set

Create a new set from the array

func GetDirChildKeys 

func GetDirChildKeys(etcdClient etcd.KeysAPI, key string) (*Set, error)

func NewSet 

func NewSet() *Set

Create a new empty set

func SetDifference 

func SetDifference(left, right []string) *Set

find items in the left slice that are not in the right slice

func (*Set) Add 

func (s *Set) Add(newValue string) bool

Add a value to the set. Returns true if the value was added, false if it already exists.

func (*Set) AddMultiple 

func (s *Set) AddMultiple(values []string)

Add multiple items more efficiently

func (*Set) AddSet 

func (s *Set) AddSet(other *Set)

Add other set items

func (*Set) Contains 

func (s *Set) Contains(value string) bool

Check whether a value is already contained in the set

func (*Set) Copy 

func (s *Set) Copy() *Set

Create a copy of the set

func (*Set) Count 

func (s *Set) Count() int

Get the count of items in the set

func (*Set) Equals 

func (s *Set) Equals(other *Set) bool

Check if two sets contain the same elements

func (*Set) Iter 

func (s *Set) Iter() <-chan string

Iterate over the items in the set

func (*Set) Remove 

func (s *Set) Remove(oldValue string) bool

Add a value to the set. Returns true if the value was added, false if it already exists.

func (*Set) Subtract 

func (s *Set) Subtract(subset *Set)

Subtract the subset from the set

func (*Set) ToSlice 

func (s *Set) ToSlice() []string

Convert the set to an array

Source Files

View all Source files

Directories

Path Synopsis
test

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