diff options
Diffstat (limited to 'roles/common/tasks')
| -rw-r--r-- | roles/common/tasks/ipsec.yml | 1 | ||||
| -rw-r--r-- | roles/common/tasks/logging.yml | 1 | ||||
| -rw-r--r-- | roles/common/tasks/main.yml | 1 | ||||
| -rw-r--r-- | roles/common/tasks/ntp.yml | 7 | ||||
| -rw-r--r-- | roles/common/tasks/smart.yml | 7 | ||||
| -rw-r--r-- | roles/common/tasks/sysctl.yml | 2 |
6 files changed, 7 insertions, 12 deletions
diff --git a/roles/common/tasks/ipsec.yml b/roles/common/tasks/ipsec.yml index 4fc2ef7..917c687 100644 --- a/roles/common/tasks/ipsec.yml +++ b/roles/common/tasks/ipsec.yml @@ -1,25 +1,26 @@ - name: Install strongSwan apt: pkg={{ packages }} vars: packages: - strongswan-charon + - strongswan-starter # for the GCM and openssl plugins - libstrongswan-standard-plugins notify: - Update firewall - Restart IPsec - name: Auto-create a dedicated virtual subnet for IPsec template: src=etc/network/if-up.d/ipsec.j2 dest=/etc/network/if-up.d/ipsec owner=root group=root mode=0755 - name: Auto-deactivate the dedicated virtual subnet for IPsec file: src=../if-up.d/ipsec dest=/etc/network/if-down.d/ipsec owner=root group=root state=link force=yes - name: Configure IPsec template: src=etc/ipsec.conf.j2 diff --git a/roles/common/tasks/logging.yml b/roles/common/tasks/logging.yml index b602a49..2b4a42a 100644 --- a/roles/common/tasks/logging.yml +++ b/roles/common/tasks/logging.yml @@ -1,26 +1,25 @@ - name: Install logging server & utilities apt: pkg={{ packages }} vars: packages: - rsyslog - - syslog-summary - logcheck - logcheck-database - logrotate - name: Configure rsyslog copy: src=etc/rsyslog.conf dest=/etc/rsyslog.conf owner=root group=root mode=0644 register: r1 notify: - Restart rsyslog tags: - syslog - name: Configure postfix's custom rsyslog rules template: src=etc/rsyslog.d/postfix.conf.j2 dest=/etc/rsyslog.d/postfix.conf owner=root group=root mode=0644 diff --git a/roles/common/tasks/main.yml b/roles/common/tasks/main.yml index fc692fa..a6795ba 100644 --- a/roles/common/tasks/main.yml +++ b/roles/common/tasks/main.yml @@ -65,32 +65,33 @@ tags: - bacula-fd - bacula - import_tasks: munin-node.yml tags: - munin-node - munin - name: Install common packages apt: pkg={{ packages }} vars: packages: - ca-certificates - etckeeper - ethtool - git - htop - molly-guard - rsync - screen + - bind9-dnsutils - name: Disable resume device # Cf. initramfs-tools(7) and initramfs.conf(5). copy: src=etc/initramfs-tools/conf.d/resume dest=/etc/initramfs-tools/conf.d/resume owner=root group=root mode=0644 tags: - initramfs - resume notify: - Update initramfs diff --git a/roles/common/tasks/ntp.yml b/roles/common/tasks/ntp.yml index 60ffef9..2ff9e49 100644 --- a/roles/common/tasks/ntp.yml +++ b/roles/common/tasks/ntp.yml @@ -1,26 +1,29 @@ -- name: Install/Remove ntp - # TODO bullseye: install new package 'systemd-timesyncd' +- name: Remove ntp package apt: pkg=ntp state={{ state }} purge=yes vars: state: "{{ ('NTP_master' in group_names) | ternary('present', 'absent') }}" +- name: Install systemd-timesyncd package + apt: pkg=systemd-timesyncd state=present purge=yes + when: "'NTP_master' not in group_names" + - name: Create /etc/systemd/timesyncd.conf.d file: path=/etc/systemd/timesyncd.conf.d state=directory owner=root group=root mode=0755 when: "'NTP_master' not in group_names" - name: Configure ntp template: src=etc/{{ conf }}.j2 dest=/etc/{{ conf }} owner=root group=root mode=0644 vars: conf: "{{ ('NTP_master' in group_names) | ternary('ntp.conf', 'systemd/timesyncd.conf.d/fripost.conf') }}" service: "{{ ('NTP_master' in group_names) | ternary('ntp', 'systemd-timesyncd') }}" notify: - Restart {{ service }} - meta: flush_handlers diff --git a/roles/common/tasks/smart.yml b/roles/common/tasks/smart.yml index 8d35d9f..68e507f 100644 --- a/roles/common/tasks/smart.yml +++ b/roles/common/tasks/smart.yml @@ -1,12 +1,5 @@ - name: Install smartmontools apt: pkg=smartmontools -- name: Auto-enable smartmontools - lineinfile: dest=/etc/default/smartmontools - regexp='^(\s*#)?\s*start_smartd=' - line='start_smartd=yes' - owner=root group=root - mode=0644 - - name: Start smartd service: name=smartmontools state=started diff --git a/roles/common/tasks/sysctl.yml b/roles/common/tasks/sysctl.yml index f95b7fa..08a1b13 100644 --- a/roles/common/tasks/sysctl.yml +++ b/roles/common/tasks/sysctl.yml @@ -1,40 +1,38 @@ - sysctl: name={{ item.name }} value={{ item.value }} sysctl_set=yes with_items: - { name: 'kernel.domainname', value: '{{ ansible_domain }}' } # Networking. See # https://www.kernel.org/doc/Documentation/networking/ip-sysctl.txt # Enable Spoof protection (reverse-path filter). Turn on Source # Address Verification in all interfaces to prevent some spoofing # attacks. - { name: 'net.ipv4.conf.default.rp_filter', value: 1 } - { name: 'net.ipv4.conf.all.rp_filter', value: 1 } # Disable SYN cookies and improve SYN backlog handling, see tcp(7) and # https://levelup.gitconnected.com/linux-kernel-tuning-for-high-performance-networking-high-volume-incoming-connections-196e863d458a - # TODO bullseye: remove net.core.somaxconn as 5.4 and later default to 4096 - { name: 'net.ipv4.tcp_syncookies', value: 0 } - { name: 'net.ipv4.tcp_synack_retries', value: 1 } - { name: 'net.ipv4.tcp_max_syn_backlog', value: 32768 } - - { name: 'net.core.somaxconn', value: 4096 } # We rate-limit not only the default ICMP types 3, 4, 11 and 12 # (0x1818), but also types 0 and 8. See icmp(7). - { name: 'net.ipv4.icmp_ratemask', value: 6425 } - { name: 'net.ipv4.icmp_ratelimit', value: 1000 } # Disable packet forwarding between interfaces (we are not a router). - { name: 'net.ipv4.ip_forward', value: 0 } - { name: 'net.ipv6.conf.all.forwarding', value: 0 } # Do not accept ICMP redirects (prevent MITM attacks). - { name: 'net.ipv4.conf.all.accept_redirects', value: 0 } - { name: 'net.ipv6.conf.all.accept_redirects', value: 0 } # Do not send ICMP redirects (we are not a router). - { name: 'net.ipv4.conf.default.send_redirects', value: 0 } - { name: 'net.ipv4.conf.all.send_redirects', value: 0 } # Do not accept IP source route packets (we are not a router). - { name: 'net.ipv4.conf.all.accept_source_route', value: 0 } |