12. message Person {
required string name = 1;
required int32 id = 2;
optional string email = 3;
enum PhoneType {
MOBILE = 0;
HOME = 1;
WORK = 2;
}
message PhoneNumber {
required string number = 1;
optional PhoneType type = 2 [default = HOME];
}
repeated PhoneNumber phone = 4;
}
Language
Language structure is similar to Java or C++
13. message Person {
required string name = 1;
required int32 id = 2;
optional string email = 3;
enum PhoneType {
MOBILE = 0;
HOME = 1;
WORK = 2;
}
message PhoneNumber {
required string number = 1;
optional PhoneType type = 2 [default = HOME];
}
repeated PhoneNumber phone = 4;
}
Language
message is a small logical record of information
14. message Person {
required string name = 1;
required int32 id = 2;
optional string email = 3;
repeated PhoneNumber phone = 4;
}
Language
message has numbered fields
each field has a name and a value type
Field Number
Field Name
Field Value Type
numbers (integer or floating-point),
booleans, strings, raw bytes, etc
15. message Person {
required string name = 1;
required int32 id = 2;
optional string email = 3;
enum PhoneType {
MOBILE = 0;
HOME = 1;
WORK = 2;
}
message PhoneNumber {
required string number = 1;
optional PhoneType type = 2 [default = HOME];
}
repeated PhoneNumber phone = 4;
}
Language
can use other protocol buffer message as value type
16. message Person {
required string name = 1;
required int32 id = 2;
optional string email = 3;
enum PhoneType {
MOBILE = 0;
HOME = 1;
WORK = 2;
}
message PhoneNumber {
required string number = 1;
optional PhoneType type = 2 [default = HOME];
}
repeated PhoneNumber phone = 4;
}
Language
field type : required, optional, repeated
31. Nutanix での実利用例
31
Host A Host B Host C
VM1 VM2 VM3 VM4 VM5 VM6
Storage (Hyper Converged)
Nutanix Cluster
Browser
power off vm 6
32. Prism
Web Server
Browser click power off button on vm 6
Prism
Web Server
Prism
Web Server
Acropolis
VM Management
Acropolis
VM Management
Acropolis
VM Management
AHV
HyperVisor
AHV
HyperVisor
AHV
HyperVisor
Node A Node B Node C
Controller
Host
Master
run the VM6Protobuf
rest
Nutanix での実利用例
34. 34
Order 1
Order 2
Order 3
GeneralRPCUtility(protobuf)
rest +
protobuf
From
Order 1
Order 2
Order 3
Pythonwebserver
To
OtherComponentsTheComponent
ProtobufServ
Acropolis Acropolis
Nutanix での実利用例
36. Node A Node B
message A
call RPC
Structured Data
(message A)
de-serialize
Binary
Object Object
Binary
Structured Data
(message A)
messageB
get RPC result
Structured Data
(message B)
Binary
Structured Data
(message B)
Binary
serialize
Object
implementation
Object
37. Node A Node B
request
call RPC
Structured Data
(message A)
de-serialize
Binary
Object Object
Binary
Structured Data
(message A)
response
get RPC result
Structured Data
(message B)
Binary
Structured Data
(message B)
Binary
serialize
Object
implementation
Object
service
