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我正在尝试使用 TLS 在我的 CoreOS 集群设置中获取 etcd ......并且玩得很开心。

我查看了不同的指南，生成了客户端和对等证书和密钥

etcd 无法启动，我在 journalctl 中得到的是以下内容（IP 和令牌混淆）：

Dec 16 00:05:12 coreos-123.123.123.123 systemd[1]: Starting etcd2...
-- Subject: Unit etcd2.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit etcd2.service has begun starting up.
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_ADVERTISE_CLIENT_URLS=http://123.123.123.123:2379
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_CERT_FILE=/etc/ssl/etcd/etcd-client123.123.123.123.cert.pem
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_CLIENT_CERT_AUTH=true
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_DATA_DIR=/var/lib/etcd2
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_DISCOVERY=https://discovery.etcd.io/xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_INITIAL_ADVERTISE_PEER_URLS=http://123.123.123.123:2380
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_KEY_FILE=/etc/ssl/etcd/private/etcd-client123.123.123.123.key.pem
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_LISTEN_CLIENT_URLS=http://0.0.0.0:2379,http://0.0.0.0:4001
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_LISTEN_PEER_URLS=http://123.123.123.123:2380,http://123.123.123.123:7001
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_NAME=yyyyyyyyyyyyyyyyyyyyyyyyyy
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_PEER_CERT_FILE=/etc/ssl/etcd/etcd-peer123.123.123.123.cert.pem
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_PEER_CLIENT_CERT_AUTH=true
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_PEER_KEY_FILE=/etc/ssl/etcd/private/etcd-peer123.123.123.123.key.pem
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_PEER_TRUSTED_CA_FILE=/etc/ssl/certs/ca-chain.cert.pem
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: recognized and used environment variable ETCD_TRUSTED_CA_FILE=/etc/ssl/certs/ca-chain.cert.pem
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: etcd Version: 2.2.0
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: Git SHA: e4561dd
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: Go Version: go1.4.2
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: Go OS/Arch: linux/amd64
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: setting maximum number of CPUs to 1, total number of available CPUs is 4
Dec 16 00:05:12 coreos-123.123.123.123 etcd2[822]: the server is already initialized as member before, starting as etcd member...
Dec 16 00:05:12 coreos-123.123.123.123 systemd[1]: etcd2.service: Main process exited, code=exited, status=1/FAILURE
Dec 16 00:05:12 coreos-123.123.123.123 systemd[1]: Failed to start etcd2.
-- Subject: Unit etcd2.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit etcd2.service has failed.
--
-- The result is failed.
Dec 16 00:05:12 coreos-123.123.123.123 systemd[1]: etcd2.service: Unit entered failed state.
Dec 16 00:05:12 coreos-123.123.123.123 systemd[1]: etcd2.service: Failed with result 'exit-code'.

我在正确的文件夹中有证书和密钥。我很确定权限很好。证书具有客户端身份验证、服务器身份验证（用于对等证书）和客户端身份验证（用于客户端）以及具有节点 IP 的 SAN 的扩展。

客户证书数据：

Exponent: 65537 (0x10001)
X509v3 extensions:
    X509v3 Basic Constraints:
        CA:FALSE
    Netscape Cert Type:
        SSL Client, S/MIME
    Netscape Comment:
        OpenSSL Generated Client Certificate
    X509v3 Subject Key Identifier:

    X509v3 Authority Key Identifier:
        keyid:

    X509v3 Key Usage: critical
        Digital Signature, Non Repudiation, Key Encipherment
    X509v3 Extended Key Usage:
        TLS Web Client Authentication, E-mail Protection
    X509v3 Subject Alternative Name:
        IP Address:127.0.0.1, IP Address:123.123.123.123

对等证书数据：

X509v3 extensions:
            X509v3 Basic Constraints:
                CA:FALSE
            Netscape Cert Type:
                SSL Server
            Netscape Comment:
                OpenSSL Generated Server Certificate
            X509v3 Subject Key Identifier:

            X509v3 Authority Key Identifier:
                keyid:

            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage:
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Subject Alternative Name:
                IP Address:127.0.0.1, IP Address:123.123.123.123

我在这里还缺少什么？此日志中没有任何内容可以解释失败。

我的目标是像在公共云上一样为客户端和对等方提供 TLS 身份验证。PS：没有 TLS 也能正常工作。我只添加了证书和 8 个 TLS 标志：

# client flags
    trusted-ca-file: /etc/ssl/certs/ca-chain.cert.pem
    cert-file: /etc/ssl/etcd/etcd-client$public_ipv4.cert.pem
    key-file: /etc/ssl/etcd/private/etcd-client$public_ipv4.key.pem
    client-cert-auth: true

    # peer flags
    peer-trusted-ca-file: /etc/ssl/certs/ca-chain.cert.pem
    peer-cert-file: /etc/ssl/etcd/etcd-peer$public_ipv4.cert.pem
    peer-key-file: /etc/ssl/etcd/private/etcd-peer$public_ipv4.key.pem
    peer-client-cert-auth: true

由于 IP 显示在日志中，因此 $public_ipv4 标记显然已正确翻译

我只是不知道这里有什么问题，因为日志没有说太多。

有什么想法可以为我指明正确的方向吗？

谢谢

4

1 回答 1

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由于上游 systemd 的错误，journald 在其进程退出时可能会错过最后几行日志。如果 journalctl 告诉您 etcd 在没有致命或恐慌消息的情况下停止，您可以尝试sudo journalctl -f -t etcd2获取完整日志。

获得完整日志后，它应该会告诉您 etcd 失败的原因。

于 2015-12-21T23:56:12.673 回答