Disable snmpd module disk_hw, so no syslog messages about unavailable…

… disks (#977)

* Revert "snmpd ignores unavailable disks (#607)"

This reverts commit d70e973.

* Disable snmpd module disk_hw, so no syslog messages about unavailable disks

Signed-off-by: Qi Luo <qiluo-msft@users.noreply.github.com>

* Strip white spaces

Signed-off-by: Qi Luo <qiluo-msft@users.noreply.github.com>

dockers/docker-snmp-sv2/snmpd.conf.j2

@@ -28,7 +28,7 @@ agentAddress udp:{{ prefix | ip }}:161
 {% endif %}
 {% endfor %}
 {% else %}
-# Listen on all addresses as mgmt ip not specified 
+# Listen on all addresses as mgmt ip not specified
 agentAddress udp:161
 {% endif %}
 
@@ -61,7 +61,7 @@ sysServices    72
 #
 #  Process Monitoring
 #
-# TODO: should we enable snmp based monitoring of sswsyncd and other processes?
+# todo: should we enable snmp based monitoring of sswsyncd and other processes?
 
 # At least one 'sendmail' process, but no more than 10
 #proc  sendmail 10 1
@@ -76,12 +76,7 @@ sysServices    72
                                # 10MBs required on root disk, 5% free on /var, 10% free on all other disks
 disk       /     10000
 disk       /var  5%
-
-# Note: includeAllDisks will conflict with ignoredisk
-# TODO: /root/* are introduced by aufs union mount, happening in initramfs stage. Clean them in the mount list.
-ignoredisk /root/host
-ignoredisk /root/dev
-ignoredisk /root/dev/pts
+includeAllDisks  10%
 
 #  Walk the UCD-SNMP-MIB::dskTable to see the resulting output
 #  Note that this table will be empty if there are no "disk" entries in the snmpd.conf file

dockers/docker-snmp-sv2/supervisord.conf

@@ -20,7 +20,7 @@ stdout_logfile=syslog
 stderr_logfile=syslog
 
 [program:snmpd]
-command=/usr/sbin/snmpd -f -LS4d -u Debian-snmp -g Debian-snmp -I -smux,mteTrigger,mteTriggerConf,ifTable,ifXTable,inetCidrRouteTable,ipCidrRouteTable,ip -p /run/snmpd.pid
+command=/usr/sbin/snmpd -f -LS4d -u Debian-snmp -g Debian-snmp -I -smux,mteTrigger,mteTriggerConf,ifTable,ifXTable,inetCidrRouteTable,ipCidrRouteTable,ip,disk_hw -p /run/snmpd.pid
 priority=3
 autostart=false
 autorestart=false