Example #1
0
// Info returns information about the current cluster state.
func (c *Cluster) Info() types.Info {
	info := types.Info{
		NodeAddr: c.GetAdvertiseAddress(),
	}

	c.RLock()
	defer c.RUnlock()

	if c.node == nil {
		info.LocalNodeState = types.LocalNodeStateInactive
		if c.cancelDelay != nil {
			info.LocalNodeState = types.LocalNodeStateError
		}
	} else {
		info.LocalNodeState = types.LocalNodeStatePending
		if c.ready == true {
			info.LocalNodeState = types.LocalNodeStateActive
		}
	}
	if c.err != nil {
		info.Error = c.err.Error()
	}

	ctx, cancel := c.getRequestContext()
	defer cancel()

	if c.isActiveManager() {
		info.ControlAvailable = true
		swarm, err := c.Inspect()
		if err != nil {
			info.Error = err.Error()
		}

		// Strip JoinTokens
		info.Cluster = swarm.ClusterInfo

		if r, err := c.client.ListNodes(ctx, &swarmapi.ListNodesRequest{}); err == nil {
			info.Nodes = len(r.Nodes)
			for _, n := range r.Nodes {
				if n.ManagerStatus != nil {
					info.Managers = info.Managers + 1
				}
			}
		}
	}

	if c.node != nil {
		for _, r := range c.node.Remotes() {
			info.RemoteManagers = append(info.RemoteManagers, types.Peer{NodeID: r.NodeID, Addr: r.Addr})
		}
		info.NodeID = c.node.NodeID()
	}

	return info
}
Example #2
0
// Info returns information about the current cluster state.
func (c *Cluster) Info() types.Info {
	info := types.Info{
		NodeAddr: c.GetAdvertiseAddress(),
	}
	c.mu.RLock()
	defer c.mu.RUnlock()

	state := c.currentNodeState()
	info.LocalNodeState = state.status
	if state.err != nil {
		info.Error = state.err.Error()
	}

	ctx, cancel := c.getRequestContext()
	defer cancel()

	if state.IsActiveManager() {
		info.ControlAvailable = true
		swarm, err := c.Inspect()
		if err != nil {
			info.Error = err.Error()
		}

		// Strip JoinTokens
		info.Cluster = swarm.ClusterInfo

		if r, err := state.controlClient.ListNodes(ctx, &swarmapi.ListNodesRequest{}); err != nil {
			info.Error = err.Error()
		} else {
			info.Nodes = len(r.Nodes)
			for _, n := range r.Nodes {
				if n.ManagerStatus != nil {
					info.Managers = info.Managers + 1
				}
			}
		}
	}

	if state.swarmNode != nil {
		for _, r := range state.swarmNode.Remotes() {
			info.RemoteManagers = append(info.RemoteManagers, types.Peer{NodeID: r.NodeID, Addr: r.Addr})
		}
		info.NodeID = state.swarmNode.NodeID()
	}

	return info
}