Golang Entity.Path Examples

Example #1

File: init_test.go Project: unclejack/volplugin

func setKey(value db.Entity) {
	path, err := value.Path()
	if err != nil {
		panic(err)
	}

	content, err := jsonio.Write(value)
	if err != nil {
		panic(err)
	}

	switch Driver {
	case "etcd":
		client, err := getEtcdClient()
		if err != nil {
			panic(err)
		}

		if _, err := client.Set(context.Background(), fmt.Sprintf("/volplugin/%v", path), string(content), nil); err != nil {
			panic(err)
		}
	case "consul":
		client, err := getConsulClient()
		if err != nil {
			panic(err)
		}

		if _, err := client.KV().Put(&api.KVPair{Key: fmt.Sprintf("volplugin/%v", path), Value: content}, nil); err != nil {
			panic(err)
		}
	}
}

Example #2

File: client.go Project: contiv/volplugin

// Set takes the object and commits it to the database.
func (c *Client) Set(obj db.Entity) error {
	if err := obj.Validate(); err != nil {
		return err
	}

	if obj.Hooks().PreSet != nil {
		if err := obj.Hooks().PreSet(c, obj); err != nil {
			return errors.EtcdToErrored(err)
		}
	}

	content, err := jsonio.Write(obj)
	if err != nil {
		return err
	}

	path, err := obj.Path()
	if err != nil {
		return err
	}

	if _, err := c.client.Set(context.Background(), c.qualified(path), string(content), nil); err != nil {
		return errors.EtcdToErrored(err)
	}

	if obj.Hooks().PostSet != nil {
		if err := obj.Hooks().PostSet(c, obj); err != nil {
			return errors.EtcdToErrored(err)
		}
	}

	return nil
}

Example #3

File: client.go Project: contiv/volplugin

// Get retrieves the item from etcd's key/value store and then populates obj with its data.
func (c *Client) Get(obj db.Entity) error {
	if obj.Hooks().PreGet != nil {
		if err := obj.Hooks().PreGet(c, obj); err != nil {
			return errors.EtcdToErrored(err)
		}
	}

	path, err := obj.Path()
	if err != nil {
		return err
	}

	resp, err := c.client.Get(context.Background(), c.qualified(path), nil)
	if err != nil {
		return errors.EtcdToErrored(err)
	}

	if err := jsonio.Read(obj, []byte(resp.Node.Value)); err != nil {
		return err
	}

	if err := obj.SetKey(c.trimPath(resp.Node.Key)); err != nil {
		return err
	}

	if obj.Hooks().PostGet != nil {
		if err := obj.Hooks().PostGet(c, obj); err != nil {
			return errors.EtcdToErrored(err)
		}
	}

	return obj.Validate()
}

Example #4

File: client.go Project: unclejack/volplugin

// WatchStop stops a watch.
func (c *Client) WatchStop(obj db.Entity) error {
	path, err := obj.Path()
	if err != nil {
		return err
	}

	return helpers.WatchStop(c, path, c.watchers, &c.watcherMutex)
}

Example #5

File: client.go Project: contiv/volplugin

// WatchStop stops a watch for a given object.
func (c *Client) WatchStop(obj db.Entity) error {
	path, err := obj.Path()
	if err != nil {
		return err
	}

	return c.watchStopPath(path)
}

Example #6

File: client.go Project: unclejack/volplugin

// Watch watches a given object for changes.
func (c *Client) Watch(obj db.Entity) (chan db.Entity, chan error) {
	path, err := obj.Path()
	if err != nil {
		errChan := make(chan error, 1)
		errChan <- err
		return nil, errChan
	}

	return helpers.WrapWatch(c, obj, path, false, c.watchers, &c.watcherMutex, c.startWatch)
}

Example #7

File: client.go Project: contiv/volplugin

// Watch watches a given object for changes.
func (c *Client) Watch(obj db.Entity) (chan db.Entity, chan error) {
	path, err := obj.Path()
	if err != nil {
		errChan := make(chan error, 1)
		errChan <- err
		return make(chan db.Entity), errChan
	}

	return c.watchPath(obj, path, false)
}

Example #8

File: client.go Project: unclejack/volplugin

// Watch watches stuff.
func (c *Client) Watch(obj db.Entity) (chan db.Entity, chan error) {
	path, err := obj.Path()
	if err != nil {
		errChan := make(chan error, 1)
		errChan <- err
		return nil, errChan
	}

	// these paths are qualified in watchInternal
	return helpers.WrapWatch(c, obj, path, false, c.watchers, &c.watcherMutex, c.watchInternal)
}

Example #9

File: entities_test.go Project: contiv/volplugin

func setKey(value db.Entity) {
	client, err := getEtcdClient()
	if err != nil {
		panic(err)
	}

	path, err := value.Path()
	if err != nil {
		panic(err)
	}

	content, err := jsonio.Write(value)
	if err != nil {
		panic(err)
	}

	if _, err := client.Set(context.Background(), fmt.Sprintf("/volplugin/%v", path), string(content), nil); err != nil {
		panic(err)
	}
}

Example #10

File: client.go Project: contiv/volplugin

// Delete removes the object from the store.
func (c *Client) Delete(obj db.Entity) error {
	if obj.Hooks().PreDelete != nil {
		if err := obj.Hooks().PreDelete(c, obj); err != nil {
			return errors.EtcdToErrored(err)
		}
	}

	path, err := obj.Path()
	if err != nil {
		return err
	}

	if _, err := c.client.Delete(context.Background(), c.qualified(path), nil); err != nil {
		return errors.EtcdToErrored(err)
	}

	if obj.Hooks().PostDelete != nil {
		if err := obj.Hooks().PostDelete(c, obj); err != nil {
			return errors.EtcdToErrored(err)
		}
	}

	return nil
}