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Commit da04baca47b7c5f431116a0c0e0051e002203b71

Authored by Sergio Oliveira
2 parents a443d3c1 b518a8a4
Exists in master and in 66 other branches 3.x, add_you_are_here_breadcrumbs_label, api_for_colab, backup_not_prod, button_suspension_points_remove, cdtc_configuration, create_institution_bootstrap_modal, design_validation, dev-lappis, dev_env_minimal, disable_email_dev, docs, fix_edit_institution, fix_edit_software_with_another_license, fix_list_style_inside_article, fix_members_pagination, fix_models_translations, fix_no_license, fix_software_api, fix_software_block_migration, fix_validations_and_tests, focus_search_field_theme, gov-user-refactoring, gov-user-refactoring-rails4, header_fix, institution_modal_on_rating, kalibro-conf-refactoring, kalibro-processor-package, lxc, mailinglist_page_title, margin_fix, mezuro_cookbook, organization_rating_style_changes, performance, prezento, r3, refactor_software_communities, refactor_software_for_sisp, register_page, release-process, release-process-v2, remove-unused-images, remove_backup_emails, remove_secondary_email_from_user, removing_super_archives_email, review_message, scope2method, signals_user_noosfero, sisp_colab_config, sisp_dev, sisp_dev_master, sisp_simple_version, software_as_organization, software_catalog_style_fix, software_catalog_style_fixes, spb_minimal_env, spec_refactor, stable-4.x, stable-devel, support_docs, syslog, temp_soft_comm_refactoring, thread_dropdown, thread_page, update_software_api, update_softwares_boxes

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
@@ -114,13 +114,14 @@ $ALT_SSH_PORT = config.fetch('alt_ssh_port', 2222) @@ -114,13 +114,14 @@ $ALT_SSH_PORT = config.fetch('alt_ssh_port', 2222)
114 $nodes.find { |n| n.hostname == 'reverseproxy' }.data['ssh_port'] = $ALT_SSH_PORT 114 $nodes.find { |n| n.hostname == 'reverseproxy' }.data['ssh_port'] = $ALT_SSH_PORT
115 desc 'Makes configurations needed before the bootstrap phase' 115 desc 'Makes configurations needed before the bootstrap phase'
116 task :preconfig => ssh_config_file do 116 task :preconfig => ssh_config_file do
  117 + sh 'mkdir', '-p', 'tmp/'
117 preconfig_file = "tmp/preconfig.#{$SPB_ENV}.stamp" 118 preconfig_file = "tmp/preconfig.#{$SPB_ENV}.stamp"
118 if File.exist?(preconfig_file) 119 if File.exist?(preconfig_file)
119 puts "I: preconfig already done." 120 puts "I: preconfig already done."
120 puts "I: delete #{preconfig_file} to force running again" 121 puts "I: delete #{preconfig_file} to force running again"
121 else 122 else
122 sh 'scp', '-F', ssh_config_file, 'utils/reverseproxy_ssh_setup', 'reverseproxy.unconfigured:/tmp' 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', $ALT_SSH_PORT.to_s, ips['reverseproxy'], ips['integration']
124 125
125 File.open(preconfig_file, 'w') do |f| 126 File.open(preconfig_file, 'w') do |f|
126 f.puts($ALT_SSH_PORT) 127 f.puts($ALT_SSH_PORT)
config/dev/ssh_config
  Diff comments   View file @da04bac
1 Host * 1 Host *
2 ForwardAgent yes 2 ForwardAgent yes
3 3
4 -Host reverseproxy 4 +Host reverseproxy.unconfigured
5 Hostname 189.9.151.16 5 Hostname 189.9.151.16
6 User spb 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 Host database 14 Host database
9 Hostname 10.18.0.16 15 Hostname 10.18.0.16
10 User spb 16 User spb
@@ -24,7 +30,6 @@ Host email @@ -24,7 +30,6 @@ Host email
24 ProxyCommand ssh spb@189.9.151.16 nc %h %p 30 ProxyCommand ssh spb@189.9.151.16 nc %h %p
25 31
26 Host integration 32 Host integration
27 - Hostname 10.18.0.19 33 + Hostname 189.9.151.16
28 User spb 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: @@ -3,6 +3,7 @@ admins:
3 - ["Marisa Souza dos Santos", "marisa.santos@planejamento.gov.br"] 3 - ["Marisa Souza dos Santos", "marisa.santos@planejamento.gov.br"]
4 external_hostname: homologa.softwarepublico.gov.br 4 external_hostname: homologa.softwarepublico.gov.br
5 external_ip: 189.9.151.65 5 external_ip: 189.9.151.65
  6 +alt_ssh_port: 55555
6 site_url: https://homologa.softwarepublico.gov.br 7 site_url: https://homologa.softwarepublico.gov.br
7 colab_from_address: '"Portal do Software Publico (homologação)" <noreply@homologa.softwarepublico.gov.br>' 8 colab_from_address: '"Portal do Software Publico (homologação)" <noreply@homologa.softwarepublico.gov.br>'
8 server_email: '"Portal do Software Publico (homologação)" <noreply@homologa.softwarepublico.gov.br>' 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 +8,9 @@ Host reverseproxy.unconfigured
8 Host reverseproxy 8 Host reverseproxy
9 Hostname 10.0.13.2 9 Hostname 10.0.13.2
10 User spb 10 User spb
  11 + Port 55555
11 # connect via reverseproxy host 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 Host database 15 Host database
15 Hostname 10.0.13.6 16 Hostname 10.0.13.6
@@ -30,6 +31,6 @@ Host email @@ -30,6 +31,6 @@ Host email
30 ProxyCommand ssh spb@189.9.151.65 nc %h %p 31 ProxyCommand ssh spb@189.9.151.65 nc %h %p
31 32
32 Host integration 33 Host integration
33 - Hostname 10.0.13.7 34 + Hostname 189.9.151.65
34 User spb 35 User spb
35 # Porta 22 de 189.9.151.65 cai aqui entao nao precisa de ProxyCommand 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 # Accept SSH connection from virtualbox host 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 -A INPUT -s 10.10.10.1 -p tcp -m state --state NEW --dport 22 -j ACCEPT 4 -A INPUT -s 10.10.10.1 -p tcp -m state --state NEW --dport 22 -j ACCEPT
4 -A INPUT -s 10.0.2.2 -p tcp -m state --state NEW --dport 22 -j ACCEPT 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 * @@ -2,32 +2,27 @@ Host *
2 ForwardAgent yes 2 ForwardAgent yes
3 3
4 Host reverseproxy 4 Host reverseproxy
5 - Hostname 164.41.9.49 5 + Hostname 10.10.40.49
6 Port 55555 6 Port 55555
  7 + ProxyCommand ssh 164.41.9.49 -p 22 nc %h 55555
7 8
8 Host reverseproxy.unconfigured 9 Host reverseproxy.unconfigured
9 Hostname 164.41.9.49 10 Hostname 164.41.9.49
10 11
  12 +Host integration
  13 + Hostname 164.41.9.49
  14 +
11 Host database 15 Host database
12 Hostname 10.10.40.47 16 Hostname 10.10.40.47
13 - Port 55555  
14 # connect via reverseproxy host 17 # connect via reverseproxy host
15 ProxyCommand ssh 164.41.9.49 -p %p nc %h 22 18 ProxyCommand ssh 164.41.9.49 -p %p nc %h 22
16 19
17 Host social 20 Host social
18 Hostname 10.10.40.46 21 Hostname 10.10.40.46
19 - Port 55555  
20 # connect via reverseproxy host 22 # connect via reverseproxy host
21 ProxyCommand ssh 164.41.9.49 -p %p nc %h 22 23 ProxyCommand ssh 164.41.9.49 -p %p nc %h 22
22 24
23 Host email 25 Host email
24 Hostname 10.10.40.48 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 # connect via reverseproxy host 27 # connect via reverseproxy host
33 ProxyCommand ssh 164.41.9.49 -p %p nc %h 22 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; @@ -73,7 +73,17 @@ if node[&#39;platform&#39;] == &#39;centos&#39;
73 end 73 end
74 end 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 template '/etc/hosts' do 85 template '/etc/hosts' do
77 owner 'root' 86 owner 'root'
78 mode 0644 87 mode 0644
  88 + notifies :run, 'ruby_block[fqdn:update]', :immediately
79 end 89 end
cookbooks/firewall/templates/default/iptables.erb
  Diff comments   View file @da04bac
@@ -18,8 +18,8 @@ @@ -18,8 +18,8 @@
18 18
19 -A INPUT -i lo -j ACCEPT 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 <%= node['firewall'] %> 24 <%= node['firewall'] %>
25 <%= render 'iptables-filter.erb' %> 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 # Allow HTTP access 5 # Allow HTTP access
3 -A INPUT -s <%= node['peers']['reverseproxy'] %> -p tcp -m state --state NEW -m multiport --dports 80,443 -j ACCEPT 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 @@ @@ -6,4 +6,8 @@
6 -A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT 6 -A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT
7 7
8 # Real SSH connection 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 #!/bin/sh 1 #!/bin/sh
2 2
3 set -e 3 set -e
  4 +set -x
4 5
5 port="$1" 6 port="$1"
  7 +reverseproxy_ip="$2"
  8 +integration_ip="$3"
6 9
7 # switch SSH to port $port 10 # switch SSH to port $port
8 sed -i -e 's/^#\?\s*Port\s*[0-9]\+\s*$/Port '$port'/g' /etc/ssh/sshd_config 11 sed -i -e 's/^#\?\s*Port\s*[0-9]\+\s*$/Port '$port'/g' /etc/ssh/sshd_config
@@ -23,3 +26,8 @@ fi @@ -23,3 +26,8 @@ fi
23 26
24 # Restart SSH 27 # Restart SSH
25 systemctl restart sshd 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