Can I use Sodium to monitor VPS?

scottalanmiller

@wls-itguy said in Can I use Sodium to monitor VPS?:

@scottalanmiller said in Can I use Sodium to monitor VPS?:
Try....
systemctl start salt-minion
Come on. It can't be that simple

It’s Linux. Often that simple.

dafyre

You may also want to make sure it starts at boot...

systemctl enable salt-minion

scottalanmiller

We should know for sure if it worked in nine minutes.

WLS-ITGuy

@scottalanmiller said in Can I use Sodium to monitor VPS?:

We should know for sure if it worked in nine minutes.

No change

scottalanmiller

@wls-itguy said in Can I use Sodium to monitor VPS?:

@scottalanmiller said in Can I use Sodium to monitor VPS?:

We should know for sure if it worked in nine minutes.

No change

Is Salt running now?

WLS-ITGuy

root@www:~# ps aux | grep salt
root      5205  0.0  0.0  12788  1028 pts/0    S+   16:59   0:00 grep salt
root     19086  0.0  1.5 200900 63892 ?        Ss   Mar07   0:00 /usr/bin/python /usr/bin/salt-minion
root     19106  0.0  1.9 622780 78756 ?        Sl   Mar07   2:54 /usr/bin/python /usr/bin/salt-minion
root     19138  0.0  1.3 316196 56364 ?        S    Mar07   0:00 /usr/bin/python /usr/bin/salt-minion
root@www:~#

root@wls-online:~# ps aux | grep salt
root      3923  0.0  0.2 200900 64112 ?        Ss   Mar07   0:00 /usr/bin/python /usr/bin/salt-minion
root      3941  0.1  0.3 622776 78628 ?        Sl   Mar07   3:05 /usr/bin/python /usr/bin/salt-minion
root      3976  0.0  0.2 316452 56520 ?        S    Mar07   0:00 /usr/bin/python /usr/bin/salt-minion
root     15842  0.0  0.0  12788   944 pts/0    S+   16:58   0:00 grep salt
root@wls-online:~#

scottalanmiller

Okay. Hmmm.

First what does /etc/salt/minion contain?

My guess is an update was run and blew away the config. Some OSes mess with it relentlessly.

WLS-ITGuy

@scottalanmiller

root@www:~# cd /etc/salt/
root@www:/etc/salt# ls
companyName.txt  minion  minion.d  minion_id  pki
root@www:/etc/salt#

WLS-ITGuy

@wls-itguy said in Can I use Sodium to monitor VPS?:

@scottalanmiller

root@www:~# cd /etc/salt/
root@www:/etc/salt# ls
companyName.txt  minion  minion.d  minion_id  pki
root@www:/etc/salt#

Says Minion is not a directory

scottalanmiller

You cat it to see the contents.

cat /etc/salt/minion

scottalanmiller

@wls-itguy said in Can I use Sodium to monitor VPS?:

root@www:~# ps aux | grep salt
root      5205  0.0  0.0  12788  1028 pts/0    S+   16:59   0:00 grep salt
root     19086  0.0  1.5 200900 63892 ?        Ss   Mar07   0:00 /usr/bin/python /usr/bin/salt-minion
root     19106  0.0  1.9 622780 78756 ?        Sl   Mar07   2:54 /usr/bin/python /usr/bin/salt-minion
root     19138  0.0  1.3 316196 56364 ?        S    Mar07   0:00 /usr/bin/python /usr/bin/salt-minion
root@www:~#

root@wls-online:~# ps aux | grep salt
root      3923  0.0  0.2 200900 64112 ?        Ss   Mar07   0:00 /usr/bin/python /usr/bin/salt-minion
root      3941  0.1  0.3 622776 78628 ?        Sl   Mar07   3:05 /usr/bin/python /usr/bin/salt-minion
root      3976  0.0  0.2 316452 56520 ?        S    Mar07   0:00 /usr/bin/python /usr/bin/salt-minion
root     15842  0.0  0.0  12788   944 pts/0    S+   16:58   0:00 grep salt
root@wls-online:~#

If this is the Debian update bug, we are tackling it with this command. This is already built into newer installers because this bug is so broad.

echo "45.76.23.0 salt" >> /etc/hosts

WLS-ITGuy

@scottalanmiller said in Can I use Sodium to monitor VPS?:

You cat it to see the contents.
cat /etc/salt/minion

root@www:~# cat /etc/salt/minion
master: na1.waxquixotic.com

scottalanmiller

@wls-itguy should be fine then. Shoot, okay, on to the next thing....

WLS-ITGuy

Just an update. Still not checking in.

scottalanmiller

On those that are not working, what is the output of...

systemctl status salt-minion

scottalanmiller

The amount of problems we've found with salt-minion stability, it's a very real consideration to move away from salt. Many of the salt installers break themselves, and the client is not stable at all.

WLS-ITGuy

Server 1 (WWW)

salt-minion.service - The Salt Minion
Loaded: loaded (/lib/systemd/system/salt-minion.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2018-03-12 13:46:45 CDT; 22h ago
Main PID: 20625 (salt-minion)
Tasks: 6 (limit: 4915)
CGroup: /system.slice/salt-minion.service
├─20625 /usr/bin/python /usr/bin/salt-minion
├─20633 /usr/bin/python /usr/bin/salt-minion
└─20636 /usr/bin/python /usr/bin/salt-minion

Mar 12 13:46:45 www.wls.wels.net systemd[1]: Stopped The Salt Minion.
Mar 12 13:46:45 www.wls.wels.net systemd[1]: Starting The Salt Minion...
Mar 12 13:46:45 www.wls.wels.net systemd[1]: Started The Salt Minion.

root@www:~# tail /var/log/salt/minion
2018-03-12 08:24:49,348 [salt.utils.parsers][WARNING ][19106] Minion received a SIGTERM. Exiting.
2018-03-12 13:46:45,753 [salt.utils.parsers][WARNING ][927] Minion received a SIGTERM. Exiting.

WLS-ITGuy

Server 2 (WLS-Online)


root@wls-online:~# systemctl status salt-minion
● salt-minion.service - The Salt Minion
Loaded: loaded (/lib/systemd/system/salt-minion.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2018-03-12 13:45:53 CDT; 22h ago
Main PID: 8983 (salt-minion)
Tasks: 6 (limit: 4915)
CGroup: /system.slice/salt-minion.service
├─8983 /usr/bin/python /usr/bin/salt-minion
├─8986 /usr/bin/python /usr/bin/salt-minion
└─8989 /usr/bin/python /usr/bin/salt-minion

Mar 12 13:45:53 wls-online.net systemd[1]: Starting The Salt Minion...
Mar 12 13:45:53 wls-online.net systemd[1]: Started The Salt Minion.

root@wls-online:~# tail /var/log/salt/minion
2018-03-12 08:42:59,773 [salt.utils.parsers][WARNING ][3941] Minion received a SIGTERM. Exiting.
2018-03-12 13:45:52,866 [salt.utils.parsers][WARNING ][23026] Minion received a SIGTERM. Exiting.
root@wls-online:~#

WLS-ITGuy

Server 3 (Ubuntu)

salt-minion.service - The Salt Minion
Loaded: loaded (/lib/systemd/system/salt-minion.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2018-03-12 12:20:03 CDT; 23h ago
Main PID: 9658 (salt-minion)
Tasks: 7
Memory: 74.6M
CPU: 1min 36.709s
CGroup: /system.slice/salt-minion.service
├─9658 /usr/bin/python /usr/bin/salt-minion
└─9661 /usr/bin/python /usr/bin/salt-minion

Mar 12 12:20:03 webinar systemd[1]: Started The Salt Minion.
Mar 12 12:20:03 webinar salt-minion[9658]: [WARNING ] IMPORTANT: Do not use md5 hashing algorithm! Please set "hash_type" to SHA256 in Salt M

root@webinar:~# tail /var/log/salt/minion
2018-03-12 12:20:03,594 [salt.cli.daemons ][WARNING ][9661] IMPORTANT: Do not use md5 hashing algorithm! Please set "hash_type" to SHA256 in Salt Minion config!

scottalanmiller

So one things we've discovered is that Linode's Debian 9 systems have remove UUIDGEN from them, for some reason. How annoying.