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Commit da04baca47b7c5f431116a0c0e0051e002203b71

Authored by Sergio Oliveira
2 parents a443d3c1 b518a8a4
Exists in master and in 36 other branches add_super_archives_plugin, automates_core_packing, changes_in_buttons_on_content_panel, colab_fix_automatic_group_creation_bug, gitlab-8.x, gov-user-refactoring, gov-user-refactoring-rails4, gov-user-to-organization, high_contrast, high_contrast_style, institution_modal_on_rating, kalibro-conf-refactoring, kalibro-processor-package, mezuro_spb, packaging_colab_plugins, performance, refactor_software_communities, refactor_software_communities_rails4, refactor_software_for_sisp, refactor_software_info_to_software, register_page, remove-unused-images, removing_super_archives_email, restore, signals_user_noosfero, software_as_organization, spb_minimal_env, stable-4.1, stable-4.2, stable-4.x, stable-5.0, stable-5.1, stable-devel, temp_soft_comm_refactoring, theme_header, thread_page

Merge branch 'fix_external_firewall' into 'master' 

Fix external firewall

The goal of this MR is to use the integration machine as SSH gateway (instead of ``reverseproxy``).

See merge request !17
Showing 11 changed files with 52 additions and 20 deletions   Show diff stats
Rakefile
  Diff comments   View file @da04bac
... ... @@ -114,13 +114,14 @@ $ALT_SSH_PORT = config.fetch('alt_ssh_port', 2222)
114 114 $nodes.find { |n| n.hostname == 'reverseproxy' }.data['ssh_port'] = $ALT_SSH_PORT
115 115 desc 'Makes configurations needed before the bootstrap phase'
116 116 task :preconfig => ssh_config_file do
  117 + sh 'mkdir', '-p', 'tmp/'
117 118 preconfig_file = "tmp/preconfig.#{$SPB_ENV}.stamp"
118 119 if File.exist?(preconfig_file)
119 120 puts "I: preconfig already done."
120 121 puts "I: delete #{preconfig_file} to force running again"
121 122 else
122 123 sh 'scp', '-F', ssh_config_file, 'utils/reverseproxy_ssh_setup', 'reverseproxy.unconfigured:/tmp'
123   - sh 'ssh', '-F', ssh_config_file, 'reverseproxy.unconfigured', 'sudo', '/tmp/reverseproxy_ssh_setup', $ALT_SSH_PORT.to_s
  124 + sh 'ssh', '-F', ssh_config_file, 'reverseproxy.unconfigured', 'sudo', '/tmp/reverseproxy_ssh_setup', $ALT_SSH_PORT.to_s, ips['reverseproxy'], ips['integration']
124 125  
125 126 File.open(preconfig_file, 'w') do |f|
126 127 f.puts($ALT_SSH_PORT)
... ...
config/dev/ssh_config
  Diff comments   View file @da04bac
1 1 Host *
2 2 ForwardAgent yes
3 3  
4   -Host reverseproxy
  4 +Host reverseproxy.unconfigured
5 5 Hostname 189.9.151.16
6 6 User spb
7 7  
  8 +Host reverseproxy
  9 + Hostname 10.18.0.15
  10 + User spb
  11 + Port 5555
  12 + ProxyCommand ssh spb@189.9.151.16 -p 22 nc %h 5555
  13 +
8 14 Host database
9 15 Hostname 10.18.0.16
10 16 User spb
... ... @@ -24,7 +30,6 @@ Host email
24 30 ProxyCommand ssh spb@189.9.151.16 nc %h %p
25 31  
26 32 Host integration
27   - Hostname 10.18.0.19
  33 + Hostname 189.9.151.16
28 34 User spb
29   - # connect via reverseproxy host
30   - ProxyCommand ssh spb@189.9.151.16 nc %h %p
  35 + # Porta 22 de 189.9.151.16 cai aqui entao nao precisa de ProxyCommand
... ...
config/homologa/config.yaml
  Diff comments   View file @da04bac
... ... @@ -3,6 +3,7 @@ admins:
3 3 - ["Marisa Souza dos Santos", "marisa.santos@planejamento.gov.br"]
4 4 external_hostname: homologa.softwarepublico.gov.br
5 5 external_ip: 189.9.151.65
  6 +alt_ssh_port: 55555
6 7 site_url: https://homologa.softwarepublico.gov.br
7 8 colab_from_address: '"Portal do Software Publico (homologação)" <noreply@homologa.softwarepublico.gov.br>'
8 9 server_email: '"Portal do Software Publico (homologação)" <noreply@homologa.softwarepublico.gov.br>'
... ...
config/homologa/ssh_config
  Diff comments   View file @da04bac
... ... @@ -8,8 +8,9 @@ Host reverseproxy.unconfigured
8 8 Host reverseproxy
9 9 Hostname 10.0.13.2
10 10 User spb
  11 + Port 55555
11 12 # connect via reverseproxy host
12   - ProxyCommand ssh spb@189.9.151.65 nc %h %p
  13 + ProxyCommand ssh spb@189.9.151.65 -p 22 nc %h 55555
13 14  
14 15 Host database
15 16 Hostname 10.0.13.6
... ... @@ -30,6 +31,6 @@ Host email
30 31 ProxyCommand ssh spb@189.9.151.65 nc %h %p
31 32  
32 33 Host integration
33   - Hostname 10.0.13.7
  34 + Hostname 189.9.151.65
34 35 User spb
35 36 # Porta 22 de 189.9.151.65 cai aqui entao nao precisa de ProxyCommand
... ...
config/local/iptables-filter-rules
  Diff comments   View file @da04bac
1 1  
2 2 # Accept SSH connection from virtualbox host
  3 +-A INPUT -s 10.10.10.1 -p tcp -m state --state NEW --dport 5555 -j ACCEPT
3 4 -A INPUT -s 10.10.10.1 -p tcp -m state --state NEW --dport 22 -j ACCEPT
4 5 -A INPUT -s 10.0.2.2 -p tcp -m state --state NEW --dport 22 -j ACCEPT
... ...
config/production/ssh_config
  Diff comments   View file @da04bac
... ... @@ -2,32 +2,27 @@ Host *
2 2 ForwardAgent yes
3 3  
4 4 Host reverseproxy
5   - Hostname 164.41.9.49
  5 + Hostname 10.10.40.49
6 6 Port 55555
  7 + ProxyCommand ssh 164.41.9.49 -p 22 nc %h 55555
7 8  
8 9 Host reverseproxy.unconfigured
9 10 Hostname 164.41.9.49
10 11  
  12 +Host integration
  13 + Hostname 164.41.9.49
  14 +
11 15 Host database
12 16 Hostname 10.10.40.47
13   - Port 55555
14 17 # connect via reverseproxy host
15 18 ProxyCommand ssh 164.41.9.49 -p %p nc %h 22
16 19  
17 20 Host social
18 21 Hostname 10.10.40.46
19   - Port 55555
20 22 # connect via reverseproxy host
21 23 ProxyCommand ssh 164.41.9.49 -p %p nc %h 22
22 24  
23 25 Host email
24 26 Hostname 10.10.40.48
25   - Port 55555
26   - # connect via reverseproxy host
27   - ProxyCommand ssh 164.41.9.49 -p %p nc %h 22
28   -
29   -Host integration
30   - Hostname 10.10.40.45
31   - Port 55555
32 27 # connect via reverseproxy host
33 28 ProxyCommand ssh 164.41.9.49 -p %p nc %h 22
... ...
cookbooks/basics/recipes/default.rb
  Diff comments   View file @da04bac
... ... @@ -73,7 +73,17 @@ if node[&#39;platform&#39;] == &#39;centos&#39;
73 73 end
74 74 end
75 75  
  76 +# reload node[:fqdn] to make sure it reflects the contents of /etc/hosts
  77 +# without that the variable :fqdn would not be available on first run
  78 +ruby_block 'fqdn:update' do
  79 + block do
  80 + node.default[:fqdn] = `hostname --fqdn`.strip
  81 + end
  82 + action :nothing
  83 +end
  84 +
76 85 template '/etc/hosts' do
77 86 owner 'root'
78 87 mode 0644
  88 + notifies :run, 'ruby_block[fqdn:update]', :immediately
79 89 end
... ...
cookbooks/firewall/templates/default/iptables.erb
  Diff comments   View file @da04bac
... ... @@ -18,8 +18,8 @@
18 18  
19 19 -A INPUT -i lo -j ACCEPT
20 20  
21   -# Everybody need to accept SSH from reverseproxy
22   --A INPUT -s <%= node['peers']['reverseproxy'] %> -p tcp -m state --state NEW --dport 22 -j ACCEPT
  21 +# Everybody need to accept SSH from integration
  22 +-A INPUT -s <%= node['peers']['integration'] %> -p tcp -m state --state NEW --dport 22 -j ACCEPT
23 23  
24 24 <%= node['firewall'] %>
25 25 <%= render 'iptables-filter.erb' %>
... ...
cookbooks/firewall/templates/host-integration/iptables-filter.erb
  Diff comments   View file @da04bac
1 1  
  2 +# Allow SMTP connections
  3 +-A INPUT -s <%= node['peers']['email'] %> -p tcp -m state --state NEW --dport 25 -j ACCEPT
  4 +
2 5 # Allow HTTP access
3 6 -A INPUT -s <%= node['peers']['reverseproxy'] %> -p tcp -m state --state NEW -m multiport --dports 80,443 -j ACCEPT
  7 +
  8 +# Allow SSH connections redirected from integration
  9 +-A INPUT -s <%= node['peers']['reverseproxy'] %> -p tcp -m state --state NEW --dport 22 -j ACCEPT
... ...
cookbooks/firewall/templates/host-reverseproxy/iptables-filter.erb
  Diff comments   View file @da04bac
... ... @@ -6,4 +6,8 @@
6 6 -A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT
7 7  
8 8 # Real SSH connection
9   --A INPUT -p tcp -m state --state NEW --dport <%= node['config']['alt_ssh_port'] %> -j ACCEPT
  9 +-A INPUT -s <%= node['peers']['integration'] %> -p tcp -m state --state NEW --dport <%= node['config']['alt_ssh_port'] %> -j ACCEPT
  10 +
  11 +# Allow forwarding to integration on port 22
  12 +-A FORWARD -p tcp -d <%= node['peers']['integration'] %> --dport 22 -j ACCEPT
  13 +-A FORWARD -s <%= node['peers']['integration'] %> -p tcp --sport 22 -j ACCEPT
... ...
utils/reverseproxy_ssh_setup
  Diff comments   View file @da04bac
1 1 #!/bin/sh
2 2  
3 3 set -e
  4 +set -x
4 5  
5 6 port="$1"
  7 +reverseproxy_ip="$2"
  8 +integration_ip="$3"
6 9  
7 10 # switch SSH to port $port
8 11 sed -i -e 's/^#\?\s*Port\s*[0-9]\+\s*$/Port '$port'/g' /etc/ssh/sshd_config
... ... @@ -23,3 +26,8 @@ fi
23 26  
24 27 # Restart SSH
25 28 systemctl restart sshd
  29 +
  30 +# Setup port redirect
  31 +iptables -t nat -A PREROUTING -d $reverseproxy_ip/32 -p tcp -m tcp --dport 22 -j DNAT --to-destination $integration_ip:22
  32 +iptables -t nat -A POSTROUTING -d $integration_ip/32 -p tcp -m tcp --dport 22 -j SNAT --to-source $reverseproxy_ip
  33 +sysctl -w net.ipv4.ip_forward=1
... ...