ability to set grpc_options on all levels

lib/etcdv3.rb

@@ -38,6 +38,7 @@ def initialize(**options)
       *sanitized_endpoints,
       @namespace,
       @options.fetch(:allow_reconnect, true),
+      grpc_options: @options.fetch(:grpc_options, {}),
     )
     warn "WARNING: `url` is deprecated. Please use `endpoints` instead." if @options.key?(:url)
     authenticate(@options[:user], @options[:password]) if @options.key?(:user)

lib/etcdv3/auth.rb

@@ -9,8 +9,8 @@ class Auth
       :readwrite => Authpb::Permission::Type::READWRITE
     }
 
-    def initialize(hostname, credentials, timeout, metadata = {})
-      @stub = Etcdserverpb::Auth::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, timeout, metadata = {}, grpc_options = {})
+      @stub = Etcdserverpb::Auth::Stub.new(hostname, credentials, **grpc_options)
       @timeout = timeout
       @metadata = metadata
     end

lib/etcdv3/connection.rb

@@ -18,12 +18,13 @@ class Connection
 
     attr_reader :endpoint, :hostname, :handlers, :credentials, :namespace
 
-    def initialize(url, timeout, namespace, metadata={})
+    def initialize(url, timeout, namespace, metadata={}, grpc_options={})
       @endpoint = URI(url)
       @hostname = "#{@endpoint.hostname}:#{@endpoint.port}"
       @namespace = namespace
       @credentials = resolve_credentials
       @timeout = timeout
+      @grpc_options = grpc_options
       @handlers = handler_map(metadata)
     end
 
@@ -46,13 +47,13 @@ def refresh_metadata(metadata)
     def handler_map(metadata={})
       handlers = Hash[
         HANDLERS.map do |key, klass|
-          [key, klass.new(@hostname, @credentials, @timeout, metadata)]
+          [key, klass.new(@hostname, @credentials, @timeout, metadata, @grpc_options)]
         end
       ]
       # Override any handlers that are namespace compatable.
       if @namespace
         NAMESPACE_HANDLERS.each do |key, klass|
-          handlers[key] = klass.new(@hostname, @credentials, @timeout, @namespace, metadata)
+          handlers[key] = klass.new(@hostname, @credentials, @timeout, @namespace, metadata, @grpc_options)
         end
       end
 

lib/etcdv3/connection_wrapper.rb

@@ -3,11 +3,11 @@ class ConnectionWrapper
 
     attr_accessor :connection, :endpoints, :user, :password, :token, :timeout
 
-    def initialize(timeout, *endpoints, namespace, allow_reconnect)
+    def initialize(timeout, *endpoints, namespace, allow_reconnect, **kwargs)
       @user, @password, @token = nil, nil, nil
       @timeout = timeout
       @namespace = namespace
-      @endpoints = endpoints.map{|endpoint| Etcdv3::Connection.new(endpoint, @timeout, @namespace) }
+      @endpoints = endpoints.map{|endpoint| Etcdv3::Connection.new(endpoint, @timeout, @namespace, {}, kwargs.fetch(:grpc_options, {})) }
       @allow_reconnect = allow_reconnect
       @connection = @endpoints.first
     end

lib/etcdv3/kv.rb

@@ -4,8 +4,8 @@ class KV
     include Etcdv3::KV::Requests
     include GRPC::Core::TimeConsts
 
-    def initialize(hostname, credentials, timeout, metadata={})
-      @stub = Etcdserverpb::KV::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, timeout, metadata={}, grpc_options={})
+      @stub = Etcdserverpb::KV::Stub.new(hostname, credentials, **grpc_options)
       @timeout = timeout
       @metadata = metadata
     end

lib/etcdv3/lease.rb

@@ -2,8 +2,8 @@ class Etcdv3
   class Lease
     include GRPC::Core::TimeConsts
 
-    def initialize(hostname, credentials, timeout, metadata={})
-      @stub = Etcdserverpb::Lease::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, timeout, metadata={}, grpc_options={})
+      @stub = Etcdserverpb::Lease::Stub.new(hostname, credentials, **grpc_options)
       @timeout = timeout
       @metadata = metadata
     end

lib/etcdv3/lock.rb

@@ -2,8 +2,8 @@ class Etcdv3
   class Lock
     include GRPC::Core::TimeConsts
 
-    def initialize(hostname, credentials, timeout, metadata = {})
-      @stub = V3lockpb::Lock::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, timeout, metadata = {}, grpc_options = {})
+      @stub = V3lockpb::Lock::Stub.new(hostname, credentials, **grpc_options)
       @timeout = timeout
       @metadata = metadata
     end

lib/etcdv3/maintenance.rb

@@ -12,8 +12,8 @@ class Maintenance
       deactivate: 2
     }
 
-    def initialize(hostname, credentials, _timeout, metadata = {})
-      @stub = Etcdserverpb::Maintenance::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, _timeout, metadata = {}, grpc_options = {})
+      @stub = Etcdserverpb::Maintenance::Stub.new(hostname, credentials, **grpc_options)
       @metadata = metadata
     end
 

lib/etcdv3/namespace/kv.rb

@@ -4,8 +4,8 @@ class KV
     include Etcdv3::Namespace::Utilities
     include GRPC::Core::TimeConsts
 
-    def initialize(hostname, credentials, timeout, namespace, metadata={})
-      @stub = Etcdserverpb::KV::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, timeout, namespace, metadata={}, grpc_options={})
+      @stub = Etcdserverpb::KV::Stub.new(hostname, credentials, **grpc_options)
       @timeout = timeout
       @namespace = namespace
       @metadata = metadata

lib/etcdv3/namespace/lock.rb

@@ -3,8 +3,8 @@ class Lock
     include GRPC::Core::TimeConsts
     include Etcdv3::Namespace::Utilities
 
-    def initialize(hostname, credentials, timeout, namespace, metadata = {})
-      @stub = V3lockpb::Lock::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, timeout, namespace, metadata = {}, grpc_options = {})
+      @stub = V3lockpb::Lock::Stub.new(hostname, credentials, **grpc_options)
       @timeout = timeout
       @namespace = namespace
       @metadata = metadata

lib/etcdv3/namespace/watch.rb

@@ -3,8 +3,8 @@ class Watch
     include GRPC::Core::TimeConsts
     include Etcdv3::Namespace::Utilities
 
-    def initialize(hostname, credentials, timeout, namespace, metadata = {})
-      @stub = Etcdserverpb::Watch::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, timeout, namespace, metadata = {}, grpc_options = {})
+      @stub = Etcdserverpb::Watch::Stub.new(hostname, credentials, **grpc_options)
       @timeout = timeout
       @namespace = namespace
       @metadata = metadata

lib/etcdv3/watch.rb

@@ -2,8 +2,8 @@ class Etcdv3
   class Watch
     include GRPC::Core::TimeConsts
 
-    def initialize(hostname, credentials, timeout, metadata = {})
-      @stub = Etcdserverpb::Watch::Stub.new(hostname, credentials)
+    def initialize(hostname, credentials, timeout, metadata = {}, grpc_options = {})
+      @stub = Etcdserverpb::Watch::Stub.new(hostname, credentials, **grpc_options)
       @timeout = timeout
       @metadata = metadata
     end