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26 lines
848 B
Markdown
26 lines
848 B
Markdown
# How to start a master
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## Requirements
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### Start a etcdv3
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```
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./etcd -listen-peer-urls=http://192.168.1.10:12380 -advertise-client-urls=http://192.168.1.10:12379 -listen-client-urls http://0.0.0.0:12379,http://0.0.0.0:14001 -initial-advertise-peer-urls=http://192.168.1.10:12380
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```
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## Start from code
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```
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go run cmd/master.go
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```
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## Start with docker
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## What rules does master use to write data to kv storage?
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1.find the root path variable ```ETCD_ROOT_PATH ```which defined in common/config.go
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2.add prefix path ```segment``` if the resource is a segement
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3.add prefix path ```collection``` if the resource is a collection
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4.add resource uuid
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### example
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if master create a collection with uuid ```46e468ee-b34a-419d-85ed-80c56bfa4e90```
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the corresponding key in etcd is $(ETCD_ROOT_PATH)/collection/46e468ee-b34a-419d-85ed-80c56bfa4e90
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