当我尝试从 Kubernetes 内部连接到 Redis 时，总是连接失败

Question

我把我的节点应用程序部署在 Kubernetes 集群中，当应用程序尝试从 Kubernetes 外部连接到 Redis 时，它会抛出以下错误：

2019-09-04T06:21:55.320Z ioredis:redis status[101.37.199.xx:6379]: connecting -> connect
2019-09-04T06:21:55.321Z ioredis:redis write command[101.37.199.xx:6379]: 32 -> auth([ 'xxxxxx' ])
2019-09-04T06:21:55.321Z ioredis:redis write command[101.37.199.xx:6379]: 32 -> select([ '32' ])
2019-09-04T06:21:55.321Z ioredis:connection error: Error: write EPIPE
at afterWriteDispatched (internal/stream_base_commons.js:146:25)
at writeGeneric (internal/stream_base_commons.js:137:3)
at Socket._writeGeneric (net.js:698:11)
at Socket._write (net.js:710:8)
at doWrite (_stream_writable.js:417:12)
at writeOrBuffer (_stream_writable.js:401:5)
at Socket.Writable.write (_stream_writable.js:301:11)
at Redis.sendCommand (/app/node_modules/ioredis/built/redis/index.js:601:33)
at Redis.select (/app/node_modules/ioredis/built/commander.js:124:21)
at Socket.<anonymous> (/app/node_modules/ioredis/built/redis/event_handler.js:32:18) {
errno: 'EPIPE',
code: 'EPIPE',
syscall: 'write'
}
[ioredis] Unhandled error event: Error: write EPIPE
at afterWriteDispatched (internal/stream_base_commons.js:146:25)
at writeGeneric (internal/stream_base_commons.js:137:3)
at Socket._writeGeneric (net.js:698:11)
at Socket._write (net.js:710:8)
at doWrite (_stream_writable.js:417:12)
at writeOrBuffer (_stream_writable.js:401:5)
at Socket.Writable.write (_stream_writable.js:301:11)
at Redis.sendCommand (/app/node_modules/ioredis/built/redis/index.js:601:33)
at Redis.select (/app/node_modules/ioredis/built/commander.js:124:21)
at Socket.<anonymous> enter code here(/app/node_modules/ioredis/built/redis/event_handler.js:32:18)
2019-09-04T06:21:55.324Z ioredis:redis queue command[101.37.199.xx:6379]: 32 -> info([])
2019-09-04T06:21:55.324Z ioredis:redis status[101.37.199.xx:6379]: connect -> close

我尝试在 kubernetes 集群中部署 redis-cli，它可以访问 redis 服务。

Answer 1

您必须在集群中将 Redis 作为服务公开