Update network configuration of veth interfaces

playbooks/roles/services/deploy/cloud/templates/systemd/pod-cloud.service

@@ -15,9 +15,12 @@ ExecStartPre=/bin/rm -f %t/pod-cloud.pid %t/pod-cloud.pod-id
 ExecStartPre=/usr/bin/podman pod create --infra-conmon-pidfile %t/pod-cloud.pid --pod-id-file %t/pod-cloud.pod-id --name=cloud --network=none --replace
 ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-cloud.pod-id
 ExecStartPost=/usr/bin/sh -c 'podman inspect --format "{% raw %}{{ .State.Pid }}{% endraw %}" $(podman inspect --format "{% raw %}{{ .InfraContainerID }}{% endraw %}" cloud) > {{ services_containers_directory }}/pod-cloud/pidfile'
-ExecStartPost=/usr/bin/sh -c 'while [ -z "$(ip link show dev veth-cloud up)" ] ; do echo "veth-cloud is not ready yet" && sleep 1 ; done'
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-cloud
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifup veth-cloud
+ExecStop=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-cloud
 ExecStop=/usr/bin/podman pod stop --ignore --pod-id-file %t/pod-cloud.pod-id -t 10
 ExecStopPost=/usr/bin/podman pod rm --ignore -f --pod-id-file %t/pod-cloud.pod-id
+ExecStopPost=/bin/rm -f {{ services_containers_directory }}/pod-cloud/pidfile
 PIDFile=%t/pod-cloud.pid
 Type=forking
 

playbooks/roles/services/deploy/database/templates/systemd/pod-database.service

@@ -15,9 +15,12 @@ ExecStartPre=/bin/rm -f %t/pod-database.pid %t/pod-database.pod-id
 ExecStartPre=/usr/bin/podman pod create --infra-conmon-pidfile %t/pod-database.pid --pod-id-file %t/pod-database.pod-id --name=database --network=none --replace
 ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-database.pod-id
 ExecStartPost=/usr/bin/sh -c 'podman inspect --format "{% raw %}{{ .State.Pid }}{% endraw %}" $(podman inspect --format "{% raw %}{{ .InfraContainerID }}{% endraw %}" database) > {{ services_containers_directory }}/pod-database/pidfile'
-ExecStartPost=/usr/bin/sh -c 'while [ -z "$(ip link show dev veth-database up)" ] ; do echo "veth-database is not ready yet" && sleep 1 ; done'
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-database
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifup veth-database
+ExecStop=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-database
 ExecStop=/usr/bin/podman pod stop --ignore --pod-id-file %t/pod-database.pod-id -t 10
 ExecStopPost=/usr/bin/podman pod rm --ignore -f --pod-id-file %t/pod-database.pod-id
+ExecStopPost=/bin/rm -f {{ services_containers_directory }}/pod-database/pidfile
 PIDFile=%t/pod-database.pid
 Type=forking
 

playbooks/roles/services/deploy/git/templates/systemd/pod-git.service

@@ -15,9 +15,12 @@ ExecStartPre=/bin/rm -f %t/pod-git.pid %t/pod-git.pod-id
 ExecStartPre=/usr/bin/podman pod create --infra-conmon-pidfile %t/pod-git.pid --pod-id-file %t/pod-git.pod-id --name=git --network=none --replace
 ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-git.pod-id
 ExecStartPost=/usr/bin/sh -c 'podman inspect --format "{% raw %}{{ .State.Pid }}{% endraw %}" $(podman inspect --format "{% raw %}{{ .InfraContainerID }}{% endraw %}" git) > {{ services_containers_directory }}/pod-git/pidfile'
-ExecStartPost=/usr/bin/sh -c 'while [ -z "$(ip link show dev veth-git up)" ] ; do echo "veth-git is not ready yet" && sleep 1 ; done'
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-git
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifup veth-git
+ExecStop=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-git
 ExecStop=/usr/bin/podman pod stop --ignore --pod-id-file %t/pod-git.pod-id -t 10
 ExecStopPost=/usr/bin/podman pod rm --ignore -f --pod-id-file %t/pod-git.pod-id
+ExecStopPost=/bin/rm -f {{ services_containers_directory }}/pod-git/pidfile
 PIDFile=%t/pod-git.pid
 Type=forking
 

playbooks/roles/services/deploy/music/templates/systemd/pod-music.service

@@ -15,9 +15,12 @@ ExecStartPre=/bin/rm -f %t/pod-music.pid %t/pod-music.pod-id
 ExecStartPre=/usr/bin/podman pod create --infra-conmon-pidfile %t/pod-music.pid --pod-id-file %t/pod-music.pod-id --name=music --network=none --replace
 ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-music.pod-id
 ExecStartPost=/usr/bin/sh -c 'podman inspect --format "{% raw %}{{ .State.Pid }}{% endraw %}" $(podman inspect --format "{% raw %}{{ .InfraContainerID }}{% endraw %}" music) > {{ services_containers_directory }}/pod-music/pidfile'
-ExecStartPost=/usr/bin/sh -c 'while [ -z "$(ip link show dev veth-music up)" ] ; do echo "veth-music is not ready yet" && sleep 1 ; done'
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-music
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifup veth-music
+ExecStop=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-music
 ExecStop=/usr/bin/podman pod stop --ignore --pod-id-file %t/pod-music.pod-id -t 10
 ExecStopPost=/usr/bin/podman pod rm --ignore -f --pod-id-file %t/pod-music.pod-id
+ExecStopPost=/bin/rm -f {{ services_containers_directory }}/pod-music/pidfile
 PIDFile=%t/pod-music.pid
 Type=forking
 

playbooks/roles/services/deploy/notes/templates/systemd/pod-notes.service

@@ -15,9 +15,12 @@ ExecStartPre=/bin/rm -f %t/pod-notes.pid %t/pod-notes.pod-id
 ExecStartPre=/usr/bin/podman pod create --infra-conmon-pidfile %t/pod-notes.pid --pod-id-file %t/pod-notes.pod-id --name=notes --network=none --replace
 ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-notes.pod-id
 ExecStartPost=/usr/bin/sh -c 'podman inspect --format "{% raw %}{{ .State.Pid }}{% endraw %}" $(podman inspect --format "{% raw %}{{ .InfraContainerID }}{% endraw %}" notes) > {{ services_containers_directory }}/pod-notes/pidfile'
-ExecStartPost=/usr/bin/sh -c 'while [ -z "$(ip link show dev veth-notes up)" ] ; do echo "veth-notes is not ready yet" && sleep 1 ; done'
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-notes
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifup veth-notes
+ExecStop=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-notes
 ExecStop=/usr/bin/podman pod stop --ignore --pod-id-file %t/pod-notes.pod-id -t 10
 ExecStopPost=/usr/bin/podman pod rm --ignore -f --pod-id-file %t/pod-notes.pod-id
+ExecStopPost=/bin/rm -f {{ services_containers_directory }}/pod-notes/pidfile
 PIDFile=%t/pod-notes.pid
 Type=forking
 

playbooks/roles/services/deploy/rproxy/templates/systemd/pod-rproxy.service

@@ -15,9 +15,12 @@ ExecStartPre=/bin/rm -f %t/pod-{{ services_service_name }}.pid %t/pod-{{ service
 ExecStartPre=/usr/bin/podman pod create --infra-conmon-pidfile %t/pod-{{ services_service_name }}.pid --pod-id-file %t/pod-{{ services_service_name }}.pod-id --name={{ services_service_name }} --network=none --replace
 ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-{{ services_service_name }}.pod-id
 ExecStartPost=/usr/bin/sh -c 'podman inspect --format "{% raw %}{{ .State.Pid }}{% endraw %}" $(podman inspect --format "{% raw %}{{ .InfraContainerID }}{% endraw %}" {{ services_service_name }}) > {{ services_containers_directory }}/pod-{{ services_service_name }}/pidfile'
-ExecStartPost=/usr/bin/sh -c 'while [ -z "$(ip link show dev veth-{{ services_service_name }} up)" ] ; do echo "veth-{{ services_service_name }} is not ready yet" && sleep 1 ; done'
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-{{ services_service_name }}
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifup veth-{{ services_service_name }}
+ExecStop=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-{{ services_service_name }}
 ExecStop=/usr/bin/podman pod stop --ignore --pod-id-file %t/pod-{{ services_service_name }}.pod-id -t 10
 ExecStopPost=/usr/bin/podman pod rm --ignore -f --pod-id-file %t/pod-{{ services_service_name }}.pod-id
+ExecStopPost=/bin/rm -f {{ services_containers_directory }}/pod-{{ services_service_name }}/pidfile
 PIDFile=%t/pod-{{ services_service_name }}.pid
 Type=forking
 

playbooks/roles/services/deploy/www/templates/systemd/pod-www.service

@@ -15,9 +15,12 @@ ExecStartPre=/bin/rm -f %t/pod-www.pid %t/pod-www.pod-id
 ExecStartPre=/usr/bin/podman pod create --infra-conmon-pidfile %t/pod-www.pid --pod-id-file %t/pod-www.pod-id --name=rproxy --network=none --replace
 ExecStart=/usr/bin/podman pod start --pod-id-file %t/pod-www.pod-id
 ExecStartPost=/usr/bin/sh -c 'podman inspect --format "{% raw %}{{ .State.Pid }}{% endraw %}" $(podman inspect --format "{% raw %}{{ .InfraContainerID }}{% endraw %}" rproxy) > {{ services_containers_directory }}/pod-www/pidfile'
-ExecStartPost=/usr/bin/sh -c 'while [ -z "$(ip link show dev veth-www up)" ] ; do echo "veth-www is not ready yet" && sleep 1 ; done'
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-www
+ExecStartPost=/usr/bin/sudo /usr/sbin/ifup veth-www
+ExecStop=/usr/bin/sudo /usr/sbin/ifdown --ignore-errors veth-www
 ExecStop=/usr/bin/podman pod stop --ignore --pod-id-file %t/pod-www.pod-id -t 10
 ExecStopPost=/usr/bin/podman pod rm --ignore -f --pod-id-file %t/pod-www.pod-id
+ExecStopPost=/bin/rm -f {{ services_containers_directory }}/pod-www/pidfile
 PIDFile=%t/pod-www.pid
 Type=forking
 

playbooks/roles/services/setup/system/files/veth/connect-pod-service@.service

@@ -1,9 +0,0 @@
-[Unit]
-Description=Connect %i to root bridge
-After=network.target
-OnFailure=status-mail@%n.service
-
-[Service]
-Type=oneshot
-ExecStartPre=-/usr/sbin/ifdown --ignore-errors veth-%i
-ExecStart=/usr/sbin/ifup veth-%i

playbooks/roles/services/setup/system/tasks/include/veth.yml

@@ -1,21 +0,0 @@
----
-- name: "veth : configure connect-pod-service"
-  ansible.builtin.copy:
-    src: "./veth/connect-pod-service@.service"
-    dest: "/etc/systemd/system/connect-pod-service@.service"
-    mode: 0644
-  register: services_setup_system_connect_pod_service_service_file
-
-- name: "veth : configure connect-pod-service path trigger"
-  ansible.builtin.template:
-    src: "./veth/connect-pod-service@.path"
-    dest: "/etc/systemd/system/connect-pod-service@.path"
-    mode: 0644
-  register: services_setup_system_connect_pod_service_path_file
-
-- name: "veth : systemd daemon reload"
-  ansible.builtin.systemd:
-    daemon_reload: true
-  when:
-    services_setup_system_connect_pod_service_service_file.changed or
-    services_setup_system_connect_pod_service_path_file.changed

playbooks/roles/services/setup/system/tasks/main.yml

@@ -7,10 +7,6 @@
   ansible.builtin.import_tasks: "include/nameserver.yml"
   tags: "services:setup:system:nameserver"
 
-- name: "play:services : role:setup:system : tasks:veth"
-  ansible.builtin.import_tasks: "include/veth.yml"
-  tags: "services:setup:system:veth"
-
 - name: "play:services : role:setup:system : tasks:auto_update"
   ansible.builtin.import_tasks: "include/auto_update.yml"
   tags: "services:setup:system:auto_update"

playbooks/roles/services/setup/system/templates/veth/connect-pod-service@.path

@@ -1,5 +0,0 @@
-[Path]
-PathChanged={{ services_containers_directory }}/pod-%i/pidfile
-
-[Install]
-WantedBy=multi-user.target network.target

playbooks/roles/services/setup/user/tasks/include/veth.yml

@@ -1,27 +1,83 @@
 ---
+- block:
+    - name: "{{ services_service_name }} : veth : create interface directory hierarchy"
+      ansible.builtin.file:
+        path: "{{ system_etc_root_directory }}/network/interfaces/{{ item }}"
+        state: "directory"
+        mode: 0755
+      loop:
+        - "{{ services_service_iface_name }}"
+        - "{{ services_service_iface_name }}/ifup.d"
+        - "{{ services_service_iface_name }}/ifdown.d"
+
+    - name: "{{ services_service_name }} : veth : interface up scripts"
+      ansible.builtin.template:
+        src: "./veth/ifupdown.d/{{ item }}"
+        dest: "\
+          {{ system_etc_root_directory }}/network/interfaces/\
+          {{ services_service_iface_name }}/ifup.d/{{ item }}"
+        mode: 0755
+      loop:
+        - "00-interface"
+        - "01-veth0"
+      register: services_setup_user_veth_interface_up
+
     - name: "{{ services_service_name }} : veth : configure interface"
       ansible.builtin.template:
         src: "./veth/interface"
         dest: "/etc/network/interfaces.d/{{ services_service_iface_name }}"
         mode: 0644
-    validate: >
-      bash -c
-      'export NEWIF=%s;
-       if ! diff ${NEWIF} /etc/network/interfaces.d/{{ services_service_iface_name }} &&
-            ip link show dev {{ services_service_iface_name }} ;
+      register: services_setup_user_veth_interface_file
+
+    - name: "{{ services_service_name }} : veth : restart interface"
+      ansible.builtin.shell: |
+        if ip link show dev {{ services_service_iface_name }}
         then
-           ifdown {{ services_service_iface_name }} &&
-           ifup -i ${NEWIF} {{ services_service_iface_name }} ;
-       fi'
+            ifdown {{ services_service_iface_name }} && ifup {{ services_service_iface_name }}
+        fi
+      when:
+        services_setup_user_veth_interface_up.changed or
+        services_setup_user_veth_interface_file.changed
+
+    - name: "{{ services_service_name }} : veth : interface down scripts"
+      ansible.builtin.template:
+        src: "./veth/ifupdown.d/{{ item }}"
+        dest: "\
+          {{ system_etc_root_directory }}/network/interfaces/\
+          {{ services_service_iface_name }}/ifdown.d/{{ item }}"
+        mode: 0755
+      loop:
+        - "00-interface"
+        - "01-veth0"
+      register: services_setup_user_veth_interface_up
+
+    - name: "{{ services_service_name }} : veth : interface bridge up scripts"
+      ansible.builtin.template:
+        src: "./veth/bridge-ifupdown.d/90-veth"
+        dest: "\
+          {{ system_etc_root_directory }}/network/interfaces/\
+          {{ services_service_bridge_name }}/{{ item }}/90-{{ services_service_iface_name }}"
+        mode: 0755
+      loop:
+        - "ifup.d"
+        - "ifdown.d"
+
+    - name: "{{ services_service_name }} : veth : add ifupdown commands to sudoers"
+      community.general.sudoers:
+        name: "{{ services_service_iface_name }}"
+        state: "present"
+        user: "{{ services_service_user_name }}"
+        commands:
+          - "/usr/sbin/ifup {{ services_service_iface_name }}"
+          - "/usr/sbin/ifdown --ignore-errors {{ services_service_iface_name }}"
+        nopassword: true
+
   vars:
     services_service_iface_name: "veth-{{ services_service_name }}"
+    services_service_bridge_name: "br0"
     services_service_iface_inet_address: "\
       {{ services_host_services[services_service_name].inet_address }}"
+    services_service_iface_inet_prefixlen: 24
     services_service_iface_inet6_address: "\
       {{ services_host_services[services_service_name].inet6_address }}"
-
-- name: "{{ services_service_name }} : veth : enable the path trigger"
-  ansible.builtin.systemd:
-    name: "connect-pod-service@{{ services_service_name }}.path"
-    enabled: true
-    state: "started"
+    services_service_iface_inet6_prefixlen: 64

playbooks/roles/services/setup/user/templates/veth/bridge-ifupdown.d/90-veth

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+if [ ${MODE} == "start" ]
+then
+    set -ue
+elif [ ${MODE} == "stop" ]
+then
+    set -u
+else
+    echo "$(basename ${0}): mode must be one of either 'start' or 'stop'" 1>&2
+    exit 1
+fi
+
+case ${PHASE} in
+    "pre-up")
+        if /usr/sbin/ip link show dev {{ services_service_iface_name }} > /dev/null 2>&1
+        then
+            /usr/sbin/ip link set dev {{ services_service_iface_name }} master ${IFACE}
+            /usr/sbin/ip link set dev {{ services_service_iface_name }} up
+        fi
+        ;;
+    "post-up")
+        ;;
+    "pre-down")
+        ;;
+    "post-down")
+        if /usr/sbin/ip link show dev {{ services_service_iface_name }} > /dev/null 2>&1
+        then
+            /usr/sbin/ip link set dev {{ services_service_iface_name }} down
+            /usr/sbin/ip link set dev {{ services_service_iface_name }} nomaster
+        fi
+        ;;
+esac

playbooks/roles/services/setup/user/templates/veth/ifupdown.d/00-interface

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+if [ ${MODE} == "start" ]
+then
+    set -ue
+elif [ ${MODE} == "stop" ]
+then
+    set -u
+else
+    echo "$(basename ${0}): mode must be one of either 'start' or 'stop'" 1>&2
+    exit 1
+fi
+
+case ${PHASE} in
+    "pre-up")
+        /usr/bin/mkdir -p /run/netns
+        /usr/bin/ln -sfTv /proc/$(cat {{ services_service_user_containers }}/pidfile)/ns/net /run/netns/{{ services_service_user_name }}
+
+        /usr/sbin/ip link add name ${IFACE} type veth peer name veth0 netns {{ services_service_user_name }}
+        ;;
+    "post-up")
+        if ! /usr/sbin/ip link set dev ${IFACE} master {{ services_service_bridge_name }}
+        then
+            /usr/sbin/ip link set dev ${IFACE} down
+        fi
+        ;;
+    "pre-down")
+        /usr/sbin/ip link set dev ${IFACE} nomaster
+        ;;
+    "post-down")
+        /usr/sbin/ip link delete dev ${IFACE}
+
+        /usr/bin/rm /run/netns/{{ services_service_user_name }}
+        ;;
+esac

playbooks/roles/services/setup/user/templates/veth/ifupdown.d/01-veth0

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+
+if [ ${MODE} == "start" ]
+then
+    set -ue
+elif [ ${MODE} == "stop" ]
+then
+    set -u
+else
+    echo "$(basename ${0}): mode must be one of either 'start' or 'stop'" 1>&2
+    exit 1
+fi
+
+case ${PHASE} in
+    "pre-up")
+        /usr/sbin/ip netns exec {{ services_service_user_name }} /usr/sbin/sysctl -q -w net.ipv6.conf.veth0.autoconf=0
+
+        /usr/sbin/ip -n {{ services_service_user_name }} -4 address add {{ services_service_iface_inet_address }}/{{ services_service_iface_inet_prefixlen }} dev veth0
+        /usr/sbin/ip -n {{ services_service_user_name }} -6 address add {{ services_service_iface_inet6_address }}/{{ services_service_iface_inet6_prefixlen }} dev veth0 nodad
+        ;;
+    "post-up")
+        /usr/sbin/ip -n {{ services_service_user_name }} link set dev veth0 up
+
+        /usr/sbin/ip -n {{ services_service_user_name }} -4 route add default via {{ services_bridge_inet_gateway }} dev veth0
+        /usr/sbin/ip -n {{ services_service_user_name }} -6 route add default via {{ services_bridge_inet6_gateway }} dev veth0
+        ;;
+    "pre-down")
+        /usr/sbin/ip -n {{ services_service_user_name }} -6 route del default via {{ services_bridge_inet6_gateway }} dev veth0
+        /usr/sbin/ip -n {{ services_service_user_name }} -4 route del default via {{ services_bridge_inet_gateway }} dev veth0
+
+        /usr/sbin/ip -n {{ services_service_user_name }} link set dev veth0 down
+        ;;
+    "post-down")
+        /usr/sbin/ip -n {{ services_service_user_name }} -6 address flush dev veth0
+        /usr/sbin/ip -n {{ services_service_user_name }} -4 address flush dev veth0
+        ;;
+esac

playbooks/roles/services/setup/user/templates/veth/interface

@@ -1,29 +1 @@
 iface {{ services_service_iface_name }} inet6 manual
-    pre-up mkdir -p /run/netns
-    pre-up ln -sfTv /proc/$(cat {{ services_service_user_containers }}/pidfile)/ns/net /run/netns/{{ services_service_user_name }}
-
-    pre-up ip link add name $IFACE type veth peer name veth0 netns {{ services_service_user_name }}
-    pre-up ip link set $IFACE master br0
-
-    pre-up ip -n {{ services_service_user_name }} link set veth0 up
-
-    pre-up ip -n {{ services_service_user_name }} address add {{ services_service_iface_inet_address }}/24 dev veth0
-    pre-up ip -n {{ services_service_user_name }} route add default via {{ services_bridge_inet_gateway }} dev veth0
-
-    pre-up ip -6 -n {{ services_service_user_name }} address add {{ services_service_iface_inet6_address }}/64 dev veth0 nodad
-    pre-up ip -6 -n {{ services_service_user_name }} route add default via {{ services_bridge_inet6_gateway }} dev veth0
-
-    post-down rm {{ services_service_user_containers }}/veth0
-
-    post-down ip -6 -n {{ services_service_user_name }} route del default via {{ services_bridge_inet6_gateway }} dev veth0
-    post-down ip -6 -n {{ services_service_user_name }} address del {{ services_service_iface_inet6_address }}/64 dev veth0
-
-    post-down ip -n {{ services_service_user_name }} route del default via {{ services_bridge_inet_gateway }} dev veth0
-    post-down ip -n {{ services_service_user_name }} address del {{ services_service_iface_inet_address }}/24 dev veth0
-
-    post-down ip -n {{ services_service_user_name }} link set veth0 down
-
-    post-down ip link set $IFACE nomaster
-    post-down ip link del dev $IFACE
-
-    post-down rm /run/netns/{{ services_service_user_name }}

roles

@@ -1 +1 @@
-Subproject commit 8eb4bc0f443206ddc421112ead2cbdf83c9a5448
+Subproject commit b47f48e7f37b968de6862b42dfab51df1f504b56