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Fixing ability to queue with /node/next/<ip>
Was used in Issue #60 to fix the syslog daemon
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MAX_INTER_JOB_GAP is now 300s, if latest job was started 300s ago, we
add new job.
Ratioanele is that if we want n jobs, and all these jobs are taking very
very long, or perhaps hanging, then we are blocking everything else too.
Consider you have use one job, because it's enough to meet your rotation
interval quota. Then some one box is somehow taking tens of minutes or
hours, we won't figure out new amount of workers until it finishes, so
we're blocking all other jobs from spawning.
I'm not super happy about this solution, not really sure what is the
right wayt to tackle it.
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- Otherwise all nodes can not be loaded.
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- New method node_want?
- Don't match node to node[:name] if node[:name] is an ip address.
Otherwise we might match to wrong ip address.
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When running Oxidized via oxidized-script you want just one node, and
you specify that as Nodes.new(:node=>x) however as router.db usually
lacks 'ip' field, and only has 'name' field'.
If you have router.db with IP in 'name' field, and you do
Nodes.new(:node='192.0.2.1') it won't return anything, as '192.0.2.1' is
matched against node[:ip] which does not exist.
This change makes IP match against IP and Name.
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We probably should just axe Node#last, as Node#stats contains all it
does and more.
However it would need changing web views and I'm too lazy for that right
now.
Perhaps Nodes/Node also needs some unique ID so two instances of Nodes
can be compared exactly. Right now copying the old stats relies on name
being identical, but can we trust name to be unique? Even with groups
support?
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1) ssh fails
2) user clicks 'update'
3) node is reset and moved head of queue
4) telnet fails
5) node last time is set to current
net result, head of queue will block until interval has passed, even
though below head there are nodes which need to be processed.
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Main benefits
a) we get support for system wide configs
b) we don't use symbols in config file, they're confusing to
non-rubyist
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- add 'connnected?' method to ssh/telnet to query if or not we're
connected
- subclass OxidizedError from StandardError, all future OxidizedErrors
should be subclasssed from this.
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potential use in perhaps upcoming CLI:
[fisakytt@lan-login1 ~/projects/oxidized-cli]% ./oxi S-2250219.fi.cpe.tdc.net 'show ver'
Dec 2 2009 00:19:01
Q.11.25
106
[fisakytt@lan-login1 ~/projects/oxidized-cli]% ./oxi 62.236.123.197 'show ver'
Cisco IOS Software, C3560 Software (C3560-IPBASEK9-M), Version 12.2(55)SE1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2010 by Cisco Systems, Inc.
Compiled Thu 02-Dec-10 07:16 by prod_rel_team
Image text-base: 0x01000000, data-base: 0x02D00000
ROM: Bootstrap program is C3560 boot loader
BOOTLDR: C3560 Boot Loader (C3560-HBOOT-M) Version 12.2(35r)SE2, RELEASE SOFTWARE (fc1)
S-1035880.fi uptime is 7 weeks, 3 days, 15 hours, 43 minutes
System returned to ROM by power-on
System restarted at 00:54:59 UTC Wed Feb 19 2014
System image file is "flash:c3560-ipbasek9-mz.122-55.SE1.bin"
This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.
A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html
If you require further assistance please contact us by sending email to
export@cisco.com.
cisco WS-C3560-8PC (PowerPC405) processor (revision F0) with 131072K bytes of memory.
Processor board ID FOC1449W2ZU
Last reset from power-on
2 Virtual Ethernet interfaces
8 FastEthernet interfaces
1 Gigabit Ethernet interface
The password-recovery mechanism is enabled.
512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address : 10:8C:CF:F0:68:80
Motherboard assembly number : 73-10612-09
Power supply part number : 341-0207-02
Motherboard serial number : FOC14493DDW
Power supply serial number : LIT14430ZXA
Model revision number : F0
Motherboard revision number : A0
Model number : WS-C3560-8PC-S
System serial number : FOC1449W2ZU
Top Assembly Part Number : 800-28131-04
Top Assembly Revision Number : C0
Version ID : V04
CLEI Code Number : COML900ARA
Hardware Board Revision Number : 0x01
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 9 WS-C3560-8PC 12.2(55)SE1 C3560-IPBASEK9-M
Configuration register is 0xF
[fisakytt@lan-login1 ~/projects/oxidized-cli]% cat oxi
require 'pry'
require 'pp'
require 'oxidized'
require 'resolv'
module Oxidized
class Oxi
def cmd command
@model.cmd command
end
def disconnect
@input.disconnect_cli
end
alias_method :close, :disconnect
private
def initialize node
Oxidized.mgr = Manager.new
@node = Nodes.new(:node=>node).first
@model = @node.model
@input = nil
connect
if block_given?
yield self
disconnect
end
end
def connect
@node.input.each do |input|
begin
@node.model.input = input.new
@node.model.input.connect @node
break
rescue
end
end
@input = @node.model.input
@input.connect_cli
end
end
end
Oxidized::Oxi.new(ARGV[0]) do |cli|
puts cli.cmd ARGV[1]
end
[fisakytt@lan-login1 ~/projects/oxidized-cli]% ls -la
total 12
drwxrwxr-x 2 fisakytt fisakytt 4096 Apr 12 19:39 .
drwxrwxr-x 7 fisakytt fisakytt 4096 Apr 12 17:52 ..
-rwxr-xr-x 1 fisakytt fisakytt 820 Apr 12 19:39 oxi
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If we use assignment method (#method=) we don't get return value, so we
never know that manager fails to load.
Also we do not want to rescue failures of input/output/source loading,
they are catastrophic and should fail whole process, loading of model is
not catastrophic.
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If module crashes with unexpected error class, rescue it, and write it
backtrace
Also log if unknown model is attempted instead of crash
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I didn't like that solution anyhow, but wasn't sure my locked methods
are not calling other external locked methods.
That shouldn't be the case so synchronize should work.
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As I can't do IO#select on sinatra/puma to run it when I have time, I
have to run it on separate thread.
This means Nodes container needs to be thread safe, it now has ghetto
mutex locking, but I probably need to be be more focused what are the
external methods that can be called and wrap those in @mutex.synchronize
Provide also HTML UI not just JSON for ghetto UI to people who don't want to
integrate
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'syslog.rb' listed to UDP port (or reads file). When IOS or JunOS style
config change/commit message is seen, it triggers immediate update ot
config
It transports commit message (junos) remote host from which change was
mde (ios) and who made the change (junos+ios). This is carried over to
the 'output' methods, that is, 'git blame' will show IOS/JunOS user-name
who made the change.
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Silly for shit-and-giggles attempt at rancid
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