2017-04-04 88 views
0

我有一個nagios服務器,必須檢查2個其他jboss服務器。 我有一個腳本來檢查文件夾的大小。nagios和ubuntu的SSH認證

我在Nagios的2條規則,通過「check_by_ssh」 Nagios的

的命令檢查本JBoss服務器的一些文件夾,如果我從shell中執行命令,Nagios的用戶我有答案來自JBoss服務器

./check_by_ssh -H server1 -t 60 -l nagios -C「/opt/jboss/scripts/check_file_size_mizar.sh --maxwarn 80000000 - maxcrit 150000000/opt/jboss/domain/servers//log//opt/jboss/domain/log/*「-E

./check_by_ssh -H server2 -t 60 -l nagios -C「/opt/jboss/scripts/check_file_size_mizar.sh --maxwarn 80000000 --maxcrit 150000000/opt/jboss/domain/servers//log//opt/JBoss的/域/日誌/ *」 -E

但是當Nagios的執行相同的命令,server1的返回正確的結果,Server2上的回報

(Return code of 255 is out of bounds : UNKNOWN - check_by_ssh: Remote command '/opt/jboss/scripts/check_file_size.sh --maxwarn 80000000 --maxcrit 150000000 /opt/jboss/domain/servers/*/log/* /opt/jboss/domain/log/*' returned status 255)) 

我認爲這個問題是ssh認證。

我檢查了服務器用戶的Nagios的.ssh文件夾權限和內容

我調試SSH妖兩個JBoss服務器,我有這樣的結果

SERVER1:/etc/ssh$ sudo /usr/sbin/sshd -d 
debug1: sshd version OpenSSH_5.9p1 Debian-5ubuntu1 
debug1: read PEM private key done: type RSA 
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048 
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048 
debug1: private host key: #0 type 1 RSA 
debug1: read PEM private key done: type DSA 
debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 
debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 
debug1: private host key: #1 type 2 DSA 
debug1: read PEM private key done: type ECDSA 
debug1: Checking blacklist file /usr/share/ssh/blacklist.ECDSA-256 
debug1: Checking blacklist file /etc/ssh/blacklist.ECDSA-256 
debug1: private host key: #2 type 3 ECDSA 
debug1: rexec_argv[0]='/usr/sbin/sshd' 
debug1: rexec_argv[1]='-d' 
Set /proc/self/oom_score_adj from 0 to -1000 
debug1: Bind to port 22 on 0.0.0.0. 
Server listening on 0.0.0.0 port 22. 
debug1: Bind to port 22 on ::. 
Server listening on :: port 22. 
debug1: Server will not fork when running in debugging mode. 
debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8 
debug1: inetd sockets after dupping: 3, 3 
Connection from SERVERIP port 44578 


debug1: Client protocol version 2.0; client software version OpenSSH_5.9p1 Debian-5ubuntu1 
debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1 pat OpenSSH* 
debug1: Enabling compatibility mode for protocol 2.0 
debug1: Local version string SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1 
debug1: permanently_set_uid: 105/65534 [preauth] 
debug1: list_hostkey_types: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256 [preauth] 
debug1: SSH2_MSG_KEXINIT sent [preauth] 
debug1: SSH2_MSG_KEXINIT received [preauth] 
debug1: kex: client->server aes128-ctr hmac-md5 none [preauth] 
debug1: kex: server->client aes128-ctr hmac-md5 none [preauth] 
debug1: expecting SSH2_MSG_KEX_ECDH_INIT [preauth] 
debug1: SSH2_MSG_NEWKEYS sent [preauth] 
debug1: expecting SSH2_MSG_NEWKEYS [preauth] 

debug1: SSH2_MSG_NEWKEYS received [preauth] 
debug1: KEX done [preauth] 
debug1: userauth-request for user nagios service ssh-connection method none [preauth] 
debug1: attempt 0 failures 0 [preauth] 
debug1: PAM: initializing for "nagios" 
debug1: PAM: setting PAM_RHOST to "domain.x.y" 
debug1: PAM: setting PAM_TTY to "ssh" 
debug1: userauth-request for user nagios service ssh-connection method publickey [preauth] 
debug1: attempt 1 failures 0 [preauth] 
debug1: test whether pkalg/pkblob are acceptable [preauth] 
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048 
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048 
debug1: temporarily_use_uid: 1002/1002 (e=0/0) 
debug1: trying public key file /home/nagios/.ssh/authorized_keys 
debug1: fd 7 clearing O_NONBLOCK 
debug1: matching key found: file /home/nagios/.ssh/authorized_keys, line 1 
Found matching RSA key: ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ 
debug1: restore_uid: 0/0 
Postponed publickey for nagios from SERVERIP port 44578 ssh2 [preauth] 
debug1: userauth-request for user nagios service ssh-connection method publickey [preauth] 
debug1: attempt 2 failures 0 [preauth] 
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048 
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048 
debug1: temporarily_use_uid: 1002/1002 (e=0/0) 
debug1: trying public key file /home/nagios/.ssh/authorized_keys 
debug1: fd 7 clearing O_NONBLOCK 
debug1: matching key found: file /home/nagios/.ssh/authorized_keys, line 1 
Found matching RSA key: ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ:ZZ 
debug1: restore_uid: 0/0 
debug1: ssh_rsa_verify: signature correct 
debug1: do_pam_account: called 
Accepted publickey for nagios from SERVERIP port 44578 ssh2 
debug1: monitor_read_log: child log fd closed 
debug1: monitor_child_preauth: nagios has been authenticated by privileged process 
debug1: temporarily_use_uid: 1002/1002 (e=0/0) 
debug1: ssh_gssapi_storecreds: Not a GSSAPI mechanism 
debug1: restore_uid: 0/0 
debug1: PAM: establishing credentials 
User child is on pid 4485 
debug1: SELinux support disabled 
debug1: PAM: establishing credentials 
debug1: permanently_set_uid: 1002/1002 
debug1: Entering interactive session for SSH2. 
debug1: server_init_dispatch_20 
debug1: server_input_channel_open: ctype session rchan 0 win 2097152 max 32768 
debug1: input_session_request 
debug1: channel 0: new [server-session] 
debug1: session_new: session 0 
debug1: session_open: channel 0 
debug1: session_open: session 0: link with channel 0 
debug1: server_input_channel_open: confirm session 
debug1: server_input_global_request: rtype [email protected] want_reply 0 
debug1: server_input_channel_req: channel 0 request env reply 0 
debug1: session_by_channel: session 0 channel 0 
debug1: session_input_channel_req: session 0 req env 
debug1: server_input_channel_req: channel 0 request env reply 0 
debug1: session_by_channel: session 0 channel 0 
debug1: session_input_channel_req: session 0 req env 
debug1: server_input_channel_req: channel 0 request exec reply 1 
debug1: session_by_channel: session 0 channel 0 
debug1: session_input_channel_req: session 0 req exec 
debug1: Received SIGCHLD. 
debug1: session_by_pid: pid 4486 
debug1: session_exit_message: session 0 channel 0 pid 4486 
debug1: session_exit_message: release channel 0 
Received disconnect from SERVERIP: 11: disconnected by user 
debug1: do_cleanup 
debug1: do_cleanup 
debug1: PAM: cleanup 
debug1: PAM: closing session 
debug1: PAM: deleting credentials 

SERVER2:/etc/ssh$ sudo /usr/sbin/sshd -d 
debug1: sshd version OpenSSH_5.9p1 Debian-5ubuntu1.4 
debug1: read PEM private key done: type RSA 
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048 
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048 
debug1: private host key: #0 type 1 RSA 
debug1: read PEM private key done: type DSA 
debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 
debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 
debug1: private host key: #1 type 2 DSA 
debug1: read PEM private key done: type ECDSA 
debug1: Checking blacklist file /usr/share/ssh/blacklist.ECDSA-256 
debug1: Checking blacklist file /etc/ssh/blacklist.ECDSA-256 
debug1: private host key: #2 type 3 ECDSA 
debug1: rexec_argv[0]='/usr/sbin/sshd' 
debug1: rexec_argv[1]='-d' 
Set /proc/self/oom_score_adj from 0 to -1000 
debug1: Bind to port 22 on 0.0.0.0. 
Server listening on 0.0.0.0 port 22. 
debug1: Bind to port 22 on ::. 
Server listening on :: port 22. 
debug1: Server will not fork when running in debugging mode. 
debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8 
debug1: inetd sockets after dupping: 3, 3 
Connection from SERVERIP port 49791 


debug1: Client protocol version 2.0; client software version OpenSSH_5.9p1 Debian-5ubuntu1 
debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1 pat OpenSSH* 
debug1: Enabling compatibility mode for protocol 2.0 
debug1: Local version string SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1.4 
debug1: permanently_set_uid: 105/65534 [preauth] 
debug1: list_hostkey_types: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256 [preauth] 
debug1: SSH2_MSG_KEXINIT sent [preauth] 
debug1: SSH2_MSG_KEXINIT received [preauth] 
debug1: kex: client->server aes128-ctr hmac-md5 none [preauth] 
debug1: kex: server->client aes128-ctr hmac-md5 none [preauth] 
debug1: expecting SSH2_MSG_KEX_ECDH_INIT [preauth] 
debug1: SSH2_MSG_NEWKEYS sent [preauth] 
debug1: expecting SSH2_MSG_NEWKEYS [preauth] 

Connection closed by SERVERIP [preauth] 
debug1: do_cleanup [preauth] 
debug1: do_cleanup 

你可以請參閱在服務器2身份驗證過程不起作用時,nagios執行命令,但如果我從nagios服務器shell從用戶nagios執行命令這兩個服務器響應。

對於服務器2,這兩種調用類型(從nagios服務器shell和nagios守護進程)之間是有區別的。

問題在哪裏,我必須檢查?嘗試[北京] -

在此先感謝

+0

不是一個編程的問題試試這個命令? –

+0

首先,你需要確保你使用'ssh-copy-id'命令複製你的ssh密鑰(而不是掃描它們)。其次,確保所有服務器的時間都是同步的。第三,當你說你「從nagios服務器shell執行命令」時,你的意思是nagios試圖執行的實際完整命令,還是通過原始ssh命令執行的模擬版本? –

回答

0

同時在客戶端機器

sudo chmod 777 /opt/jboss/scripts/check_file_size.sh 
+0

不起作用。我已經做了這個測試。我認爲問題是「之前」的SSH嘗試執行遠程命令。 – barbatrukko