一，報錯的現象:

1,提示資訊:

jenkins.plugins.publish_over.BapPublisherException: Failed to add SSH key. Message [invalid privatekey: [B@60373f7]

如圖:

2,系統環境:

fedora 30

[root@localhost ~]# more /etc/redhat-release 
Fedora release 30 (Thirty)

核心 ：

[root@localhost ~]# uname -r
5.6.13-100.fc30.x86_64

ssh

[root@localhost ~]# ssh
 
 -V
OpenSSH_8.0p1, OpenSSL 1.1.1g FIPS  21 Apr 2020

jenkins的版本是2.257

說明：劉巨集締的架構森林是一個專注架構的部落格，地址：https://www.cnblogs.com/architectforest

對應的原始碼可以訪問這裡獲取：https://github.com/liuhongdi/

說明：作者:劉巨集締 郵箱: [email protected]

二，問題的原因

因為我們生成金鑰的openssh的版本過高的原因

[root@localhost ~]# ssh-keygen -t rsa

[root@localhost ~]$ more
 
 .ssh/id_rsa
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn
…

-----BEGIN OPENSSH PRIVATE KEY——

三，問題的解決:

1，指定格式

[root@localhost ~]# ssh-keygen -m PEM -t rsa -b 4096

說明：

-m 引數指定金鑰的格式，PEM是rsa之前使用的舊格式

 -b 指定金鑰長度。對於RSA金鑰，最小要求768位，預設是2048位。

    -m key_format
             Specify a key format for key generation, the -i (import), -e (export) conversion options, and the -p change passphrase oper‐
             ation.  The latter may be used to convert between OpenSSH private key and PEM private key formats.  The supported key for‐
             mats are: “RFC4716” (RFC 4716/SSH2 public or private key), “PKCS8” (PKCS8 public or private key) or “PEM” (PEM public key).
             By default OpenSSH will write newly-generated private keys in its own format, but when converting public keys for export the
             default format is “RFC4716”.  Setting a format of “PEM” when generating or updating a supported private key type will cause
             the key to be stored in the legacy PEM private key format.

[root@localhost ~]# more /root/.ssh/id_rsa
-----BEGIN RSA PRIVATE KEY-----
MIIJKAIBAAKCAgEA44rzAenw3N7Tpjy5KXJpVia5oSTV/HrRg7d8PdCeJ3N1AiZU
 ...

-----BEGIN RSA PRIVATE KEY-----

四，測試:

點選 test configuration 後，提示 success,表示金鑰無問題

五，檢視Jenkins版本

在登入後首頁的右下角，可以看到當前的版本:2.257