package relay

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Used in: observer.Node, NodeStatusEvent

• UNKNOWN_NODE_STATE = 0

  UNKNOWN_NODE_STATE indicates that the state of this node is unknown.

• NODE_CONNECTED = 1

  NODE_CONNECTED indicates that we have established a connection to this node. The client can expect to observe flows from this node.

• NODE_UNAVAILABLE = 2

  NODE_UNAVAILABLE indicates that the connection to this node is currently unavailable. The client can expect to not see any flows from this node until either the connection is re-established or the node is gone.

• NODE_GONE = 3

  NODE_GONE indicates that a node has been removed from the cluster. No reconnection attempts will be made.

• NODE_ERROR = 4

  NODE_ERROR indicates that a node has reported an error while processing the request. No reconnection attempts will be made.

NodeStatusEvent is a message sent by hubble-relay to inform clients about the state of a particular node.

Used in: observer.ExportEvent, observer.GetFlowsResponse

• NodeState state_change = 1

  state_change contains the new node state

• repeated string node_names = 2

  node_names is the list of nodes for which the above state changes applies

• string message = 3

  message is an optional message attached to the state change (e.g. an error message). The message applies to all nodes in node_names.