Work around annoying Docker warning about undefined $HOME

> WARNING: Error loading config file: .dockercfg: $HOME is not defined

.. which appeared in Docker 20.10.

roles/matrix-base/defaults/main.yml

@@ -49,6 +49,11 @@ matrix_base_data_path_mode: "750"
 matrix_static_files_base_path: "{{ matrix_base_data_path }}/static-files"
 matrix_systemd_path: "/etc/systemd/system"
 
+# Specifies the path to use for the `HOME` environment variable for systemd unit files.
+# Docker 20.10 complains with `WARNING: Error loading config file: .dockercfg: $HOME is not defined`
+# if `$HOME` is not defined, so we define something to make it happy.
+matrix_systemd_unit_home_path: /root
+
 # This is now unused. We keep it so that cleanup tasks can use it.
 # To be removed in the future.
 matrix_cron_path: "/etc/cron.d"

roles/matrix-bot-matrix-reminder-bot/templates/systemd/matrix-bot-matrix-reminder-bot.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-bot-matrix-reminder-bot
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-bot-matrix-reminder-bot
 

roles/matrix-bridge-appservice-discord/templates/systemd/matrix-appservice-discord.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-appservice-discord
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-appservice-discord
 

roles/matrix-bridge-appservice-irc/templates/systemd/matrix-appservice-irc.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-appservice-irc
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-appservice-irc
 

roles/matrix-bridge-appservice-slack/templates/systemd/matrix-appservice-slack.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-appservice-slack
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-appservice-slack
 

roles/matrix-bridge-appservice-webhooks/templates/systemd/matrix-appservice-webhooks.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-appservice-webhooks
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-appservice-webhooks
 

roles/matrix-bridge-mautrix-facebook/templates/systemd/matrix-mautrix-facebook.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mautrix-facebook
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mautrix-facebook
 ExecStartPre={{ matrix_host_command_docker }} run --rm --name matrix-mautrix-facebook-db \

roles/matrix-bridge-mautrix-hangouts/templates/systemd/matrix-mautrix-hangouts.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mautrix-hangouts matrix-mautrix-hangouts-db
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mautrix-hangouts matrix-mautrix-hangouts-db
 ExecStartPre={{ matrix_host_command_docker }} run --rm --name matrix-mautrix-hangouts-db \

roles/matrix-bridge-mautrix-signal/templates/systemd/matrix-mautrix-signal-daemon.service.j2

@@ -13,6 +13,7 @@ Wants={{ service }}
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mautrix-signal-daemon
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mautrix-signal-daemon

roles/matrix-bridge-mautrix-signal/templates/systemd/matrix-mautrix-signal.service.j2

@@ -13,6 +13,7 @@ Wants={{ service }}
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mautrix-signal
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mautrix-signal
 

roles/matrix-bridge-mautrix-telegram/templates/systemd/matrix-mautrix-telegram.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mautrix-telegram
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mautrix-telegram
 ExecStartPre={{ matrix_host_command_docker }} run --rm --name matrix-mautrix-telegram-db \

roles/matrix-bridge-mautrix-whatsapp/templates/systemd/matrix-mautrix-whatsapp.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mautrix-whatsapp
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mautrix-whatsapp
 

roles/matrix-bridge-mx-puppet-discord/templates/systemd/matrix-mx-puppet-discord.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mx-puppet-discord
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mx-puppet-discord
 

roles/matrix-bridge-mx-puppet-instagram/templates/systemd/matrix-mx-puppet-instagram.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mx-puppet-instagram
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mx-puppet-instagram
 

roles/matrix-bridge-mx-puppet-skype/templates/systemd/matrix-mx-puppet-skype.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mx-puppet-skype
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mx-puppet-skype
 

roles/matrix-bridge-mx-puppet-slack/templates/systemd/matrix-mx-puppet-slack.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mx-puppet-slack
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mx-puppet-slack
 

roles/matrix-bridge-mx-puppet-steam/templates/systemd/matrix-mx-puppet-steam.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mx-puppet-steam
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mx-puppet-steam
 

roles/matrix-bridge-mx-puppet-twitter/templates/systemd/matrix-mx-puppet-twitter.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mx-puppet-twitter
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mx-puppet-twitter
 

roles/matrix-bridge-sms/templates/systemd/matrix-sms-bridge.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-/usr/bin/docker kill matrix-sms-bridge
 ExecStartPre=-/usr/bin/docker rm matrix-sms-bridge
 

roles/matrix-client-element/templates/systemd/matrix-client-element.service.j2

@@ -9,6 +9,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-client-element
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-client-element
 

roles/matrix-corporal/templates/systemd/matrix-corporal.service.j2

@@ -9,6 +9,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-corporal
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-corporal
 

roles/matrix-coturn/templates/systemd/matrix-coturn.service.j2

@@ -9,6 +9,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-coturn
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-coturn
 

roles/matrix-dimension/templates/systemd/matrix-dimension.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-dimension
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-dimension
 

roles/matrix-dynamic-dns/templates/systemd/matrix-dynamic-dns.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-dynamic-dns
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-dynamic-dns
 ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-dynamic-dns \

roles/matrix-email2matrix/templates/systemd/matrix-email2matrix.service.j2

@@ -7,6 +7,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-email2matrix
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-email2matrix
 

roles/matrix-jitsi/templates/jicofo/matrix-jitsi-jicofo.service.j2

@@ -9,6 +9,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-jitsi-jicofo
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-jitsi-jicofo
 

roles/matrix-jitsi/templates/jvb/matrix-jitsi-jvb.service.j2

@@ -9,6 +9,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-jitsi-jvb
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-jitsi-jvb
 

roles/matrix-jitsi/templates/prosody/matrix-jitsi-prosody.service.j2

@@ -9,6 +9,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-jitsi-prosody
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-jitsi-prosody
 

roles/matrix-jitsi/templates/web/matrix-jitsi-web.service.j2

@@ -9,6 +9,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-jitsi-web
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-jitsi-web
 

roles/matrix-ma1sd/templates/systemd/matrix-ma1sd.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-ma1sd
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-ma1sd
 

roles/matrix-mailer/templates/systemd/matrix-mailer.service.j2

@@ -7,6 +7,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-mailer
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-mailer
 

roles/matrix-nginx-proxy/templates/systemd/matrix-nginx-proxy.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-nginx-proxy
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-nginx-proxy
 

roles/matrix-nginx-proxy/templates/systemd/matrix-ssl-lets-encrypt-certificates-renew.service.j2

@@ -3,4 +3,5 @@ Description=Renews Let's Encrypt SSL certificates
 
 [Service]
 Type=oneshot
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStart={{ matrix_local_bin_path }}/matrix-ssl-lets-encrypt-certificates-renew

roles/matrix-postgres/templates/systemd/matrix-postgres.service.j2

@@ -7,6 +7,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} stop matrix-postgres
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-postgres
 

roles/matrix-registration/templates/systemd/matrix-registration.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-registration
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-registration
 

roles/matrix-synapse-admin/templates/systemd/matrix-synapse-admin.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-synapse-admin
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-synapse-admin
 

roles/matrix-synapse/templates/goofys/systemd/matrix-goofys.service.j2

@@ -7,6 +7,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill %n
 ExecStartPre=-{{ matrix_host_command_docker }} rm %n
 

roles/matrix-synapse/templates/synapse/systemd/matrix-synapse.service.j2

@@ -12,6 +12,7 @@ DefaultDependencies=no
 
 [Service]
 Type=simple
+Environment="HOME={{ matrix_systemd_unit_home_path }}"
 ExecStartPre=-{{ matrix_host_command_docker }} kill matrix-synapse
 ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-synapse
 {% if matrix_s3_media_store_enabled %}