VOL-1921 - updated to use go mod
Change-Id: I8d5187fa91fa619494f972bc29d3bd61e5be3a82
diff --git a/vendor/github.com/hashicorp/consul/api/discovery_chain.go b/vendor/github.com/hashicorp/consul/api/discovery_chain.go
new file mode 100644
index 0000000..407a3b0
--- /dev/null
+++ b/vendor/github.com/hashicorp/consul/api/discovery_chain.go
@@ -0,0 +1,230 @@
+package api
+
+import (
+ "encoding/json"
+ "fmt"
+ "time"
+)
+
+// DiscoveryChain can be used to query the discovery-chain endpoints
+type DiscoveryChain struct {
+ c *Client
+}
+
+// DiscoveryChain returns a handle to the discovery-chain endpoints
+func (c *Client) DiscoveryChain() *DiscoveryChain {
+ return &DiscoveryChain{c}
+}
+
+func (d *DiscoveryChain) Get(name string, opts *DiscoveryChainOptions, q *QueryOptions) (*DiscoveryChainResponse, *QueryMeta, error) {
+ if name == "" {
+ return nil, nil, fmt.Errorf("Name parameter must not be empty")
+ }
+
+ method := "GET"
+ if opts != nil && opts.requiresPOST() {
+ method = "POST"
+ }
+
+ r := d.c.newRequest(method, fmt.Sprintf("/v1/discovery-chain/%s", name))
+ r.setQueryOptions(q)
+
+ if opts != nil {
+ if opts.EvaluateInDatacenter != "" {
+ r.params.Set("compile-dc", opts.EvaluateInDatacenter)
+ }
+ // TODO(namespaces): handle possible EvaluateInNamespace here
+ }
+
+ if method == "POST" {
+ r.obj = opts
+ }
+
+ rtt, resp, err := requireOK(d.c.doRequest(r))
+ if err != nil {
+ return nil, nil, err
+ }
+ defer resp.Body.Close()
+
+ qm := &QueryMeta{}
+ parseQueryMeta(resp, qm)
+ qm.RequestTime = rtt
+
+ var out DiscoveryChainResponse
+
+ if err := decodeBody(resp, &out); err != nil {
+ return nil, nil, err
+ }
+
+ return &out, qm, nil
+}
+
+type DiscoveryChainOptions struct {
+ EvaluateInDatacenter string `json:"-"`
+
+ // OverrideMeshGateway allows for the mesh gateway setting to be overridden
+ // for any resolver in the compiled chain.
+ OverrideMeshGateway MeshGatewayConfig `json:",omitempty"`
+
+ // OverrideProtocol allows for the final protocol for the chain to be
+ // altered.
+ //
+ // - If the chain ordinarily would be TCP and an L7 protocol is passed here
+ // the chain will not include Routers or Splitters.
+ //
+ // - If the chain ordinarily would be L7 and TCP is passed here the chain
+ // will not include Routers or Splitters.
+ OverrideProtocol string `json:",omitempty"`
+
+ // OverrideConnectTimeout allows for the ConnectTimeout setting to be
+ // overridden for any resolver in the compiled chain.
+ OverrideConnectTimeout time.Duration `json:",omitempty"`
+}
+
+func (o *DiscoveryChainOptions) requiresPOST() bool {
+ if o == nil {
+ return false
+ }
+ return o.OverrideMeshGateway.Mode != "" ||
+ o.OverrideProtocol != "" ||
+ o.OverrideConnectTimeout != 0
+}
+
+type DiscoveryChainResponse struct {
+ Chain *CompiledDiscoveryChain
+}
+
+type CompiledDiscoveryChain struct {
+ ServiceName string
+ Namespace string
+ Datacenter string
+
+ // CustomizationHash is a unique hash of any data that affects the
+ // compilation of the discovery chain other than config entries or the
+ // name/namespace/datacenter evaluation criteria.
+ //
+ // If set, this value should be used to prefix/suffix any generated load
+ // balancer data plane objects to avoid sharing customized and
+ // non-customized versions.
+ CustomizationHash string
+
+ // Protocol is the overall protocol shared by everything in the chain.
+ Protocol string
+
+ // StartNode is the first key into the Nodes map that should be followed
+ // when walking the discovery chain.
+ StartNode string
+
+ // Nodes contains all nodes available for traversal in the chain keyed by a
+ // unique name. You can walk this by starting with StartNode.
+ //
+ // NOTE: The names should be treated as opaque values and are only
+ // guaranteed to be consistent within a single compilation.
+ Nodes map[string]*DiscoveryGraphNode
+
+ // Targets is a list of all targets used in this chain.
+ //
+ // NOTE: The names should be treated as opaque values and are only
+ // guaranteed to be consistent within a single compilation.
+ Targets map[string]*DiscoveryTarget
+}
+
+const (
+ DiscoveryGraphNodeTypeRouter = "router"
+ DiscoveryGraphNodeTypeSplitter = "splitter"
+ DiscoveryGraphNodeTypeResolver = "resolver"
+)
+
+// DiscoveryGraphNode is a single node in the compiled discovery chain.
+type DiscoveryGraphNode struct {
+ Type string
+ Name string // this is NOT necessarily a service
+
+ // fields for Type==router
+ Routes []*DiscoveryRoute
+
+ // fields for Type==splitter
+ Splits []*DiscoverySplit
+
+ // fields for Type==resolver
+ Resolver *DiscoveryResolver
+}
+
+// compiled form of ServiceRoute
+type DiscoveryRoute struct {
+ Definition *ServiceRoute
+ NextNode string
+}
+
+// compiled form of ServiceSplit
+type DiscoverySplit struct {
+ Weight float32
+ NextNode string
+}
+
+// compiled form of ServiceResolverConfigEntry
+type DiscoveryResolver struct {
+ Default bool
+ ConnectTimeout time.Duration
+ Target string
+ Failover *DiscoveryFailover
+}
+
+func (r *DiscoveryResolver) MarshalJSON() ([]byte, error) {
+ type Alias DiscoveryResolver
+ exported := &struct {
+ ConnectTimeout string `json:",omitempty"`
+ *Alias
+ }{
+ ConnectTimeout: r.ConnectTimeout.String(),
+ Alias: (*Alias)(r),
+ }
+ if r.ConnectTimeout == 0 {
+ exported.ConnectTimeout = ""
+ }
+
+ return json.Marshal(exported)
+}
+
+func (r *DiscoveryResolver) UnmarshalJSON(data []byte) error {
+ type Alias DiscoveryResolver
+ aux := &struct {
+ ConnectTimeout string
+ *Alias
+ }{
+ Alias: (*Alias)(r),
+ }
+ if err := json.Unmarshal(data, &aux); err != nil {
+ return err
+ }
+ var err error
+ if aux.ConnectTimeout != "" {
+ if r.ConnectTimeout, err = time.ParseDuration(aux.ConnectTimeout); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// compiled form of ServiceResolverFailover
+type DiscoveryFailover struct {
+ Targets []string
+}
+
+// DiscoveryTarget represents all of the inputs necessary to use a resolver
+// config entry to execute a catalog query to generate a list of service
+// instances during discovery.
+type DiscoveryTarget struct {
+ ID string
+
+ Service string
+ ServiceSubset string
+ Namespace string
+ Datacenter string
+
+ MeshGateway MeshGatewayConfig
+ Subset ServiceResolverSubset
+ External bool
+ SNI string
+ Name string
+}