Jérémy Lecour
97b0225232
Each role has to know how to deal with the other. Otherwise, depending on order of execution, the firewall might not allow connections for evomaintenance
124 lines
4 KiB
YAML
124 lines
4 KiB
YAML
---
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- name: Check if minifirewall is running
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shell: /sbin/iptables -L -n | grep -E "^(DROP\s+udp|ACCEPT\s+icmp)\s+--\s+0\.0\.0\.0\/0\s+0\.0\.0\.0\/0\s*$"
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changed_when: False
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failed_when: False
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check_mode: no
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register: minifirewall_is_running
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- debug:
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var: minifirewall_is_running
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verbosity: 1
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- name: Begin marker for IP addresses
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lineinfile:
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dest: /etc/default/minifirewall
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create: no
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line: "# BEGIN ANSIBLE MANAGED BLOCK FOR IPS"
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insertbefore: '^# Main interface'
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- name: End marker for IP addresses
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lineinfile:
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dest: /etc/default/minifirewall
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create: no
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line: "# END ANSIBLE MANAGED BLOCK FOR IPS"
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insertafter: '^PRIVILEGIEDIPS='
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- fail:
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msg: You must provide at least 1 trusted IP
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when: minifirewall_trusted_ips == []
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- debug:
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msg: "Warning: minifirewall_trusted_ips='0.0.0.0/0', the firewall is useless!"
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when: minifirewall_trusted_ips == ["0.0.0.0/0"]
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- name: Configure IP addresses
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blockinfile:
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dest: /etc/default/minifirewall
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create: no
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marker: "# {mark} ANSIBLE MANAGED BLOCK FOR IPS"
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content: |
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# Main interface
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INT='{{ minifirewall_int }}'
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# IPv6
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IPV6='{{ minifirewall_ipv6 }}'
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# Trusted IPv4 local network
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# ...will be often IP/32 if you don't trust anything
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INTLAN='{{ minifirewall_intlan }}'
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# Trusted IPv4 addresses for private and semi-public services
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TRUSTEDIPS='{{ minifirewall_trusted_ips | join(' ') }}'
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# Privilegied IPv4 addresses for semi-public services
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# (no need to add again TRUSTEDIPS)
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PRIVILEGIEDIPS='{{ minifirewall_privilegied_ips | join(' ') }}'
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register: minifirewall_config_ips
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- name: Begin marker for ports
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lineinfile:
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dest: /etc/default/minifirewall
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create: no
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line: "# BEGIN ANSIBLE MANAGED BLOCK FOR PORTS"
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insertbefore: '^# Protected services'
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- name: End marker for ports
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lineinfile:
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dest: /etc/default/minifirewall
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create: no
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line: "# END ANSIBLE MANAGED BLOCK FOR PORTS"
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insertafter: '^SERVICESUDP3='
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- name: Configure ports
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blockinfile:
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dest: /etc/default/minifirewall
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create: no
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marker: "# {mark} ANSIBLE MANAGED BLOCK FOR PORTS"
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content: |
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# Protected services
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# (add also in Public services if needed)
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SERVICESTCP1p='{{ minifirewall_protected_ports_tcp | join(' ') }}'
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SERVICESUDP1p='{{ minifirewall_protected_ports_udp | join(' ') }}'
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# Public services (IPv4/IPv6)
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SERVICESTCP1='{{ minifirewall_public_ports_tcp | join(' ') }}'
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SERVICESUDP1='{{ minifirewall_public_ports_udp | join(' ') }}'
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# Semi-public services (IPv4)
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SERVICESTCP2='{{ minifirewall_semipublic_ports_tcp | join(' ') }}'
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SERVICESUDP2='{{ minifirewall_semipublic_ports_udp | join(' ') }}'
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# Private services (IPv4)
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SERVICESTCP3='{{ minifirewall_private_ports_tcp | join(' ') }}'
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SERVICESUDP3='{{ minifirewall_private_ports_udp | join(' ') }}'
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register: minifirewall_config_ports
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- name: evomaintenance
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lineinfile:
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dest: /etc/default/minifirewall
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line: "/sbin/iptables -A INPUT -p tcp --sport 5432 --dport 1024:65535 -s {{ item }} -m state --state ESTABLISHED,RELATED -j ACCEPT"
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insertafter: "^# EvoMaintenance"
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with_items: "{{ evomaintenance_hosts }}"
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- name: remove minifirewall example rule for the evomaintenance
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lineinfile:
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dest: /etc/default/minifirewall
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regexp: '^#.*(--sport 5432).*(-s X\.X\.X\.X)'
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state: absent
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when: evomaintenance_hosts != []
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- name: restart minifirewall
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# service:
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# name: minifirewall
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# state: restarted
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command: /etc/init.d/minifirewall restart
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register: minifirewall_init_restart
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failed_when: "'starting IPTables rules is now finish : OK' not in minifirewall_init_restart.stdout"
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changed_when: "'starting IPTables rules is now finish : OK' in minifirewall_init_restart.stdout"
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when: minifirewall_is_running.rc == 0 and (minifirewall_config_ips | changed or minifirewall_config_ports | changed)
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- debug:
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var: minifirewall_init_restart
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verbosity: 2
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