Consul от HashiCorp и его резервное копирование

Стандартный клиент (пример конфига)

{
    "addresses": {
        "dns": "0.0.0.0",
        "grpc": "0.0.0.0",
        "http": "0.0.0.0",
        "https": "0.0.0.0"
    },
    "advertise_addr": "10.77.56.135",


    "bootstrap": false,
    "client_addr": "127.0.0.1",
    "data_dir": "/opt/consul",
    "datacenter": "stage",
    "disable_update_check": false,
    "domain": "c.fin",
    "enable_local_script_checks": false,
    "enable_script_checks": false,
    "enable_syslog": true,
    "encrypt": "Khj2HjAaM6X6hufSJgYl/g==",
    "log_level": "INFO",
    "node_meta": {"env": "stage"},    
    "performance": {
        "leave_drain_time": "5s",
        "raft_multiplier": 1,
        "rpc_hold_timeout": "7s"
    },
    "ports": {
        "dns": 8600,
        "grpc": -1,
        "http": 8500,
        "https": -1,
        "serf_lan": 8301,
        "serf_wan": 8302,
        "server": 8300
    },
    "raft_protocol": 3,
    "retry_interval": "30s",
    "retry_interval_wan": "30s",
    "retry_join": [
    "10.77.56.107",
    "10.77.56.161",
    "10.77.56.151",
        ],
    "retry_join_wan": [
        ],
    "retry_max": 0,
    "retry_max_wan": 0,
    "server": false,
    "syslog_facility": "local0",
    "ui": false
}

Конфигурация сервера в режиме мульти-датацентр

{
    "addresses": {
        "dns": "0.0.0.0",
        "grpc": "0.0.0.0",
        "http": "0.0.0.0",
        "https": "0.0.0.0"
    },
    "advertise_addr": "10.77.111.48",

"advertise_addr_wan": "10.77.111.48",

    "bootstrap": false,
    "client_addr": "127.0.0.1",
    "data_dir": "/opt/consul",
    "datacenter": "prod",
    "disable_update_check": false,
    "domain": "c.fin",
    "enable_local_script_checks": false,
    "enable_script_checks": false,
    "enable_syslog": true,
    "encrypt": "Khj2HjAaM6X6hufSJgYl/g==",
    "log_level": "INFO",
    "node_meta": {"env": "p"},    
    "performance": {
        "leave_drain_time": "5s",
        "raft_multiplier": 1,
        "rpc_hold_timeout": "7s"
    },
    "ports": {
        "dns": 8600,
        "grpc": -1,
        "http": 8500,
        "https": -1,
        "serf_lan": 8301,
        "serf_wan": 8302,
        "server": 8300
    },
    "raft_protocol": 3,
    "retry_interval": "30s",
    "retry_interval_wan": "30s",
    "retry_join": [
    "10.77.111.51",
    "10.54.110.39",
    "10.77.111.48",
        ],
    "retry_join_wan": [
    "10.77.56.107",
    "10.77.56.161",
    "10.77.56.151",
    "10.77.111.48",
    "10.54.110.39",
    "10.77.111.51",
        ],
    "retry_max": 0,
    "retry_max_wan": 0,
    "server": true,
    "syslog_facility": "local0",
    "ui": true
}

Резервное копирование и восстановление хранилища ключ-значение.

Создание резервной копии хранилища KV

# consul kv export > /tmp/kv.json

Загрузка копии хранилища KV

# cat /tmp/kv.json | consul kv import -

Очистка хранилища KV

# consul kv delete -recurse /