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class FixDHCP | |
attr_reader :line, | |
:old_server, | |
:new_server | |
def initialize(line, opts) | |
@line = line | |
@old_server = opts[:old_server] | |
@new_server = opts[:new_server] | |
end | |
def negate_line | |
line.sub(/^set/,'delete') | |
end | |
def replace_line | |
line.sub(/#{old_server}/,new_server) | |
end | |
def process_line | |
"#{negate_line}\n#{replace_line}\n" | |
end | |
end | |
old_srv = '10.10.10.10' | |
new_srv = '10.0.0.1' | |
ssh = Net::SSH.start(Creds[:host], Creds[:uid], password: Creds[:pwd]) | |
sw = Net::SSH::Telnet.new( 'Timeout' => 10, | |
'Prompt' => /([#>]\s|-)\z/n, | |
'Session' => ssh ) | |
sw.cmd('edit') | |
Hosts.keys.each do |host| | |
File.open(OutDir + "#{host}.conf","w") do |f| | |
output = sw.cmd('show | no-more') | |
f.print output | |
sleep 3 ### stupid attempt to get stdout to flush | |
end | |
output = [] | |
sw.cmd("show system services dhcp | display set | match #{old_srv}") do |c| | |
next unless c.match(/^(set|delete) /) | |
output.push(c.chomp) | |
end | |
File.open(OutDir + "#{host}.dhcp", "w") do |f| | |
output.each do |l| | |
fd = FixDHCP.new(l, old_server: old_srv, new_server: new_srv) | |
f.print fd.process_line | |
end | |
sleep 3 ### stupid attempt to get stdout to flush | |
end | |
end | |
### SAMPLE screwed up output from "*.dhcp" file | |
display set | match 10.10. | |
dev@tma-lab-3300-1# ...cp | display set | match 10.10.1 0.10 | |
delete system services dhcp pool 10.0.0.0/8 boot-server 10.10.10.10 | |
set system services dhcp pool 10.0.0.0/8 option 150 array ip-address 10.10.10.10 | |
{master:0}[edit] | |
dev@tma-lab-3300-1# | |
display set | match 10.10. | |
dev@tma-lab-3300-1# ...cp | display set | match 10.10.1 0.10 | |
set system services dhcp pool 10.0.0.0/8 boot-server 10.0.0.1 | |
set system services dhcp pool 10.0.0.0/8 option 150 array ip-address 10.10.10.10 | |
{master:0}[edit] | |
dev@tma-lab-3300-1# |
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