topology.graphqls

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# The overview topology of the whole application cluster or services,
type Topology {
    nodes: [Node!]!
    calls: [Call!]!
}

# Node in Topology
type Node {
    # The global id of each node,
    # 1. Service id
    # 2. Endpoint id
    id: ID!
    # The literal name of the #id.
    name: String!
    # The type name may be
    # 1. The service provider/middleware tech, such as: Tomcat, SpringMVC
    # 2. Conjectural Service, e.g. MySQL, Redis, Kafka
    type: String
    # It is a conjuecture node or real node, to represent a service or endpoint.
    isReal: Boolean!
}

# The Call represents a directed distributed call,
# from the `source` to the `target`.
type Call {
    source: ID!
    # The protocol and tech stack used at source side in this distributed call
    sourceComponents: [ID!]!
    target: ID!
    # The protocol and tech stack used at target side in this distributed call
    targetComponents: [ID!]!
    id: ID!
    # The detect Points of this distributed call.
    detectPoints: [DetectPoint!]!
}

enum NodeType {
    SERVICE,
    ENDPOINT,
    USER
}


extend type Query {
    # Query the global topolgoy
    getGlobalTopology(duration: Duration!): Topology
    # Query the topology, based on the given service
    getServiceTopology(serviceId: ID!, duration: Duration!): Topology
    # Query the topology, based on the given endpoint
    getEndpointTopology(endpointId: ID!, duration: Duration!): Topology
}