Cleanup iptables resources
The only supported firewall engine is nftables from now on. Tripleo-ansible has been cleaned from its tripleo_iptables related resources and actions, meaning we don't need to keep the FirewallEngine anymore. This patch also removes an old and deprecated upgrade action related to puppet-firewall - since Train, we're using tripleo_iptables and related, meaning there shouldn't be any trailing config at this point. Especially since iptables and ip6tables services are now deactivated for good. Depends-On: https://review.opendev.org/c/openstack/tripleo-ansible/+/860063 Change-Id: I18d23125a468cb2db5ff33979d8b810a0207819a
This commit is contained in:
Cédric Jeanneret
parent
c16d9aca8a
commit
0074098f0e
@ -402,19 +402,4 @@ outputs:
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shell: |
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ip link set dev "{{ item.split(':')[1] }}" up
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with_items: {get_attr: [RoleParametersValue, value, 'neutron::agents::ml2::ovs::bridge_mappings']}
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update_tasks:
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# puppetlabs-firewall manages security rules via Puppet but make the rules
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# consistent by default. Since Neutron also creates some rules, we don't
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# want them to be consistent so we have to ensure that they're not stored
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# into sysconfig.
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# https://bugzilla.redhat.com/show_bug.cgi?id=1541528
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- name: Remove IPv4 iptables rules created by Neutron that are persistent
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lineinfile: dest=/etc/sysconfig/iptables
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regexp=".*neutron-"
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state=absent
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when: step|int == 5
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- name: Remove IPv6 iptables rules created by Neutron that are persistent
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lineinfile: dest=/etc/sysconfig/ip6tables
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regexp=".*neutron-"
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state=absent
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when: step|int == 5
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update_tasks: []
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@ -33,12 +33,6 @@ parameters:
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type: json
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tags:
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- role_specific
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FirewallEngine:
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default: 'nftables'
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description: Set the actual firewall engine. Can be "iptables" or "nftables"
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type: string
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constraints:
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- allowed_values: ['iptables', 'nftables']
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resources:
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# Merging role-specific parameters (RoleParameters) with the default parameters.
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@ -75,8 +69,6 @@ outputs:
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- {get_attr: [RoleParametersValue, value, extra_firewall_rules]}
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host_firewall_tasks:
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- name: Run firewall role
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vars:
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tripleo_firewall_engine: {get_param: FirewallEngine}
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include_role:
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name: tripleo_firewall
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update_tasks:
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@ -116,54 +108,3 @@ outputs:
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when:
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- (step | int) == 1
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block: *tripleo_firewall_teardown
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- when:
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- (step | int) == 3
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block:
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- name: blank ipv6 rule before activating ipv6 firewall.
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shell: cat /etc/sysconfig/ip6tables > /etc/sysconfig/ip6tables.n-o-upgrade; cat</dev/null>/etc/sysconfig/ip6tables
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args:
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creates: /etc/sysconfig/ip6tables.n-o-upgrade
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- name: cleanup unmanaged rules pushed by iptables-services
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shell: |
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iptables -C INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT &>/dev/null && \
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iptables -D INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
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iptables -C INPUT -p icmp -j ACCEPT &>/dev/null && \
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iptables -D INPUT -p icmp -j ACCEPT
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iptables -C INPUT -i lo -j ACCEPT &>/dev/null && \
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iptables -D INPUT -i lo -j ACCEPT
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iptables -C INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT &>/dev/null && \
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iptables -D INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
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iptables -C INPUT -j REJECT --reject-with icmp-host-prohibited &>/dev/null && \
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iptables -D INPUT -j REJECT --reject-with icmp-host-prohibited
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iptables -C FORWARD -j REJECT --reject-with icmp-host-prohibited &>/dev/null && \
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iptables -D FORWARD -j REJECT --reject-with icmp-host-prohibited
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sed -i '/^-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT$/d' /etc/sysconfig/iptables
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sed -i '/^-A INPUT -p icmp -j ACCEPT$/d' /etc/sysconfig/iptables
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sed -i '/^-A INPUT -i lo -j ACCEPT$/d' /etc/sysconfig/iptables
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sed -i '/^-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT$/d' /etc/sysconfig/iptables
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sed -i '/^-A INPUT -j REJECT --reject-with icmp-host-prohibited$/d' /etc/sysconfig/iptables
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sed -i '/^-A FORWARD -j REJECT --reject-with icmp-host-prohibited$/d' /etc/sysconfig/iptables
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ip6tables -C INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT &>/dev/null && \
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ip6tables -D INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
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ip6tables -C INPUT -p ipv6-icmp -j ACCEPT &>/dev/null && \
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ip6tables -D INPUT -p ipv6-icmp -j ACCEPT
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ip6tables -C INPUT -i lo -j ACCEPT &>/dev/null && \
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ip6tables -D INPUT -i lo -j ACCEPT
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ip6tables -C INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT &>/dev/null && \
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ip6tables -D INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
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ip6tables -C INPUT -d fe80::/64 -p udp -m udp --dport 546 -m state --state NEW -j ACCEPT &>/dev/null && \
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ip6tables -D INPUT -d fe80::/64 -p udp -m udp --dport 546 -m state --state NEW -j ACCEPT
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ip6tables -C INPUT -j REJECT --reject-with icmp6-adm-prohibited &>/dev/null && \
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ip6tables -D INPUT -j REJECT --reject-with icmp6-adm-prohibited
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ip6tables -C FORWARD -j REJECT --reject-with icmp6-adm-prohibited &>/dev/null && \
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ip6tables -D FORWARD -j REJECT --reject-with icmp6-adm-prohibited
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sed -i '/^-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT$/d' /etc/sysconfig/ip6tables
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sed -i '/^-A INPUT -p ipv6-icmp -j ACCEPT$/d' /etc/sysconfig/ip6tables
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sed -i '/^-A INPUT -i lo -j ACCEPT$/d' /etc/sysconfig/ip6tables
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sed -i '/^-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT$/d' /etc/sysconfig/ip6tables
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sed -i '/^-A INPUT -d fe80::\/64 -p udp -m udp --dport 546 -m state --state NEW -j ACCEPT$/d' /etc/sysconfig/ip6tables
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sed -i '/^-A INPUT -j REJECT --reject-with icmp6-adm-prohibited$/d' /etc/sysconfig/ip6tables
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sed -i '/^-A FORWARD -j REJECT --reject-with icmp6-adm-prohibited$/d' /etc/sysconfig/ip6tables
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8
releasenotes/notes/clean-iptables-18a9278719384bb8.yaml
Normal file
8
releasenotes/notes/clean-iptables-18a9278719384bb8.yaml
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@ -0,0 +1,8 @@
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---
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other:
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- |
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Cleanup iptables related resources in the firewall configuration. Also
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remove the now useless FirewallEngine parameter - nftables is the only
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supported engine within TripleO. Note that some applications may still
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rely on iptables, such as Neutron - but the rules aren't managed from
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within TripleO itself.
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