我在通过 Consul Connect 连接到 MariaDB 时遇到了严重问题。
我正在使用 Nomad 使用代理创建服务，具有以下作业定义：
job "wordpress" {
type = "service"
datacenters = ["dc1"]
group "server" {
network {
mode = "bridge"
port "http" {
static = 8080
to = 80
}
}
task "server" {
driver = "docker"
config {
image = "wordpress"
}
env {
WORDPRESS_DB_HOST = "${NOMAD_UPSTREAM_ADDR_database}"
WORDPRESS_DB_USER = "exampleuser"
WORDPRESS_DB_PASSWORD = "examplepass"
WORDPRESS_DB_NAME = "exampledb"
}
resources {
cpu = 100
memory = 64
network {
mbits = 10
}
}
}
service {
name = "wordpress"
tags = ["production", "wordpress"]
port = "http"
connect {
sidecar_service {
proxy {
upstreams {
destination_name = "database"
local_bind_port = 3306
}
}
}
}
}
}
group "database" {
network {
mode = "bridge"
port "db" {
to = 3306
}
}
task "database" {
driver = "docker"
config {
image = "mariadb"
}
env {
MYSQL_RANDOM_ROOT_PASSWORD = "yes"
MYSQL_INITDB_SKIP_TZINFO = "yes"
MYSQL_DATABASE = "exampledb"
MYSQL_USER = "exampleuser"
MYSQL_PASSWORD = "examplepass"
}
resources {
cpu = 100
memory = 128
network {
mbits = 10
}
}
}
service {
name = "database"
tags = ["production", "mariadb"]
port = "db"
connect {
sidecar_service {}
}
}
}
}
但是，似乎服务器无法访问数据库。
MySQL Connection Error: (2006) MySQL server has gone away
[25-Aug-2020 10:46:53 UTC] PHP Warning: mysqli::__construct(): Error while reading greeting packet. PID=187 in Standard input code on line 22
[25-Aug-2020 10:46:53 UTC] PHP Warning: mysqli::__construct(): (HY000/2006): MySQL server has gone away in Standard input code on line 22
MySQL Connection Error: (2006) MySQL server has gone away
WARNING: unable to establish a database connection to '127.0.0.1:3306'
continuing anyways (which might have unexpected results)
服务器和数据库代理的日志显示某种 TLS 问题正在发生，但我不知道如何解决这个问题。
服务器代理日志
[2020-08-25 12:20:35.841][18][debug][filter] [source/common/tcp_proxy/tcp_proxy.cc:344] [C1229] Creating connection to cluster database.default.dc1.internal.0198bec5-d0b4-332c-973e-372808379192.consul
[2020-08-25 12:20:35.841][18][debug][pool] [source/common/tcp/conn_pool.cc:82] creating a new connection
[2020-08-25 12:20:35.841][18][debug][pool] [source/common/tcp/conn_pool.cc:362] [C1230] connecting
[2020-08-25 12:20:35.841][18][debug][connection] [source/common/network/connection_impl.cc:704] [C1230] connecting to 172.29.168.233:29307
[2020-08-25 12:20:35.841][18][debug][connection] [source/common/network/connection_impl.cc:713] [C1230] connection in progress
[2020-08-25 12:20:35.841][18][debug][pool] [source/common/tcp/conn_pool.cc:108] queueing request due to no available connections
[2020-08-25 12:20:35.841][18][debug][main] [source/server/connection_handler_impl.cc:280] [C1229] new connection
[2020-08-25 12:20:35.841][18][trace][connection] [source/common/network/connection_impl.cc:458] [C1229] socket event: 2
[2020-08-25 12:20:35.841][18][trace][connection] [source/common/network/connection_impl.cc:543] [C1229] write ready
[2020-08-25 12:20:35.841][18][trace][connection] [source/common/network/connection_impl.cc:458] [C1230] socket event: 2
[2020-08-25 12:20:35.841][18][trace][connection] [source/common/network/connection_impl.cc:543] [C1230] write ready
[2020-08-25 12:20:35.841][18][debug][connection] [source/common/network/connection_impl.cc:552] [C1230] connected
[2020-08-25 12:20:35.841][18][debug][connection] [source/extensions/transport_sockets/tls/ssl_socket.cc:168] [C1230] handshake error: 2
[2020-08-25 12:20:35.842][18][trace][connection] [source/common/network/connection_impl.cc:458] [C1230] socket event: 3
[2020-08-25 12:20:35.842][18][trace][connection] [source/common/network/connection_impl.cc:543] [C1230] write ready
[2020-08-25 12:20:35.842][18][debug][connection] [source/extensions/transport_sockets/tls/ssl_socket.cc:168] [C1230] handshake error: 5
[2020-08-25 12:20:35.842][18][debug][connection] [source/extensions/transport_sockets/tls/ssl_socket.cc:201] [C1230]
[2020-08-25 12:20:35.842][18][debug][connection] [source/common/network/connection_impl.cc:190] [C1230] closing socket: 0
[2020-08-25 12:20:35.842][18][debug][pool] [source/common/tcp/conn_pool.cc:123] [C1230] client disconnected
数据库代理日志
[2020-08-25 12:26:07.093][15][debug][filter] [source/common/tcp_proxy/tcp_proxy.cc:201] [C927] new tcp proxy session
[2020-08-25 12:26:07.093][15][trace][connection] [source/common/network/connection_impl.cc:290] [C927] readDisable: enabled=true disable=true
[2020-08-25 12:26:07.093][15][debug][filter] [source/common/tcp_proxy/tcp_proxy.cc:344] [C927] Creating connection to cluster local_app
[2020-08-25 12:26:07.093][15][debug][pool] [source/common/tcp/conn_pool.cc:82] creating a new connection
[2020-08-25 12:26:07.093][15][debug][pool] [source/common/tcp/conn_pool.cc:362] [C928] connecting
[2020-08-25 12:26:07.093][15][debug][connection] [source/common/network/connection_impl.cc:704] [C928] connecting to 127.0.0.1:26344
[2020-08-25 12:26:07.093][15][debug][connection] [source/common/network/connection_impl.cc:713] [C928] connection in progress
[2020-08-25 12:26:07.093][15][debug][pool] [source/common/tcp/conn_pool.cc:108] queueing request due to no available connections
[2020-08-25 12:26:07.093][15][debug][main] [source/server/connection_handler_impl.cc:280] [C927] new connection
[2020-08-25 12:26:07.093][15][trace][connection] [source/common/network/connection_impl.cc:458] [C927] socket event: 2
[2020-08-25 12:26:07.093][15][trace][connection] [source/common/network/connection_impl.cc:543] [C927] write ready
[2020-08-25 12:26:07.093][15][debug][connection] [source/extensions/transport_sockets/tls/ssl_socket.cc:168] [C927] handshake error: 5
[2020-08-25 12:26:07.093][15][debug][connection] [source/extensions/transport_sockets/tls/ssl_socket.cc:201] [C927]
[2020-08-25 12:26:07.093][15][debug][connection] [source/common/network/connection_impl.cc:190] [C927] closing socket: 0
[2020-08-25 12:26:07.093][15][debug][pool] [source/common/tcp/conn_pool.cc:204] canceling pending request
[2020-08-25 12:26:07.093][15][debug][pool] [source/common/tcp/conn_pool.cc:212] canceling pending connection
[2020-08-25 12:26:07.093][15][debug][connection] [source/common/network/connection_impl.cc:101] [C928] closing data_to_write=0 type=1
[2020-08-25 12:26:07.093][15][debug][connection] [source/common/network/connection_impl.cc:190] [C928] closing socket: 1
[2020-08-25 12:26:07.093][15][debug][pool] [source/common/tcp/conn_pool.cc:123] [C928] client disconnected
[2020-08-25 12:26:07.093][15][trace][main] [source/common/event/dispatcher_impl.cc:158] item added to deferred deletion list (size=1)
[2020-08-25 12:26:07.093][15][debug][main] [source/server/connection_handler_impl.cc:80] [C927] adding to cleanup list
[2020-08-25 12:26:07.093][15][trace][main] [source/common/event/dispatcher_impl.cc:158] item added to deferred deletion list (size=2)
[2020-08-25 12:26:07.093][15][trace][main] [source/common/event/dispatcher_impl.cc:76] clearing deferred deletion list (size=2)
[2020-08-25 12:26:07.093][15][debug][pool] [source/common/tcp/conn_pool.cc:236] [C928] connection destroyed