From edb3afc5abcb24731576373e7bc8cee5435e2300 Mon Sep 17 00:00:00 2001 From: jonathanspw <8390543+jonathanspw@users.noreply.github.com> Date: Wed, 19 Apr 2023 13:20:57 -0500 Subject: [PATCH] systemd, tmpfiles, config file, more tweaks --- config.yaml | 325 +++++++++++++++++++++++++++++++++++++++++ headscale.service | 52 +++++++ headscale.spec | 37 ++++- headscale.sysuser.conf | 1 + headscale.tmpfiles | 1 + 5 files changed, 415 insertions(+), 1 deletion(-) create mode 100644 config.yaml create mode 100644 headscale.service create mode 100644 headscale.sysuser.conf create mode 100644 headscale.tmpfiles diff --git a/config.yaml b/config.yaml new file mode 100644 index 0000000..93aa797 --- /dev/null +++ b/config.yaml @@ -0,0 +1,325 @@ +--- +# headscale will look for a configuration file named `config.yaml` (or `config.json`) in the following order: +# +# - `/etc/headscale` +# - `~/.headscale` +# - current working directory + +# The url clients will connect to. +# Typically this will be a domain like: +# +# https://myheadscale.example.com:443 +# +server_url: http://127.0.0.1:8080 + +# Address to listen to / bind to on the server +# +# For production: +# listen_addr: 0.0.0.0:8080 +listen_addr: 127.0.0.1:8080 + +# Address to listen to /metrics, you may want +# to keep this endpoint private to your internal +# network +# +metrics_listen_addr: 127.0.0.1:9090 + +# Address to listen for gRPC. +# gRPC is used for controlling a headscale server +# remotely with the CLI +# Note: Remote access _only_ works if you have +# valid certificates. +# +# For production: +# grpc_listen_addr: 0.0.0.0:50443 +grpc_listen_addr: 127.0.0.1:50443 + +# Allow the gRPC admin interface to run in INSECURE +# mode. This is not recommended as the traffic will +# be unencrypted. Only enable if you know what you +# are doing. +grpc_allow_insecure: false + +# Private key used to encrypt the traffic between headscale +# and Tailscale clients. +# The private key file will be autogenerated if it's missing. +# +private_key_path: /var/lib/headscale/private.key + +# The Noise section includes specific configuration for the +# TS2021 Noise protocol +noise: + # The Noise private key is used to encrypt the + # traffic between headscale and Tailscale clients when + # using the new Noise-based protocol. It must be different + # from the legacy private key. + private_key_path: /var/lib/headscale/noise_private.key + +# List of IP prefixes to allocate tailaddresses from. +# Each prefix consists of either an IPv4 or IPv6 address, +# and the associated prefix length, delimited by a slash. +# While this looks like it can take arbitrary values, it +# needs to be within IP ranges supported by the Tailscale +# client. +# IPv6: https://github.com/tailscale/tailscale/blob/22ebb25e833264f58d7c3f534a8b166894a89536/net/tsaddr/tsaddr.go#LL81C52-L81C71 +# IPv4: https://github.com/tailscale/tailscale/blob/22ebb25e833264f58d7c3f534a8b166894a89536/net/tsaddr/tsaddr.go#L33 +ip_prefixes: + - fd7a:115c:a1e0::/48 + - 100.64.0.0/10 + +# DERP is a relay system that Tailscale uses when a direct +# connection cannot be established. +# https://tailscale.com/blog/how-tailscale-works/#encrypted-tcp-relays-derp +# +# headscale needs a list of DERP servers that can be presented +# to the clients. +derp: + server: + # If enabled, runs the embedded DERP server and merges it into the rest of the DERP config + # The Headscale server_url defined above MUST be using https, DERP requires TLS to be in place + enabled: false + + # Region ID to use for the embedded DERP server. + # The local DERP prevails if the region ID collides with other region ID coming from + # the regular DERP config. + region_id: 999 + + # Region code and name are displayed in the Tailscale UI to identify a DERP region + region_code: "headscale" + region_name: "Headscale Embedded DERP" + + # Listens over UDP at the configured address for STUN connections - to help with NAT traversal. + # When the embedded DERP server is enabled stun_listen_addr MUST be defined. + # + # For more details on how this works, check this great article: https://tailscale.com/blog/how-tailscale-works/ + stun_listen_addr: "0.0.0.0:3478" + + # List of externally available DERP maps encoded in JSON + urls: + - https://controlplane.tailscale.com/derpmap/default + + # Locally available DERP map files encoded in YAML + # + # This option is mostly interesting for people hosting + # their own DERP servers: + # https://tailscale.com/kb/1118/custom-derp-servers/ + # + # paths: + # - /etc/headscale/derp-example.yaml + paths: [] + + # If enabled, a worker will be set up to periodically + # refresh the given sources and update the derpmap + # will be set up. + auto_update_enabled: true + + # How often should we check for DERP updates? + update_frequency: 24h + +# Disables the automatic check for headscale updates on startup +disable_check_updates: false + +# Time before an inactive ephemeral node is deleted? +ephemeral_node_inactivity_timeout: 30m + +# Period to check for node updates within the tailnet. A value too low will severely affect +# CPU consumption of Headscale. A value too high (over 60s) will cause problems +# for the nodes, as they won't get updates or keep alive messages frequently enough. +# In case of doubts, do not touch the default 10s. +node_update_check_interval: 10s + +# SQLite config +db_type: sqlite3 + +# For production: +db_path: /var/lib/headscale/db.sqlite + +# # Postgres config +# If using a Unix socket to connect to Postgres, set the socket path in the 'host' field and leave 'port' blank. +# db_type: postgres +# db_host: localhost +# db_port: 5432 +# db_name: headscale +# db_user: foo +# db_pass: bar + +# If other 'sslmode' is required instead of 'require(true)' and 'disabled(false)', set the 'sslmode' you need +# in the 'db_ssl' field. Refers to https://www.postgresql.org/docs/current/libpq-ssl.html Table 34.1. +# db_ssl: false + +### TLS configuration +# +## Let's encrypt / ACME +# +# headscale supports automatically requesting and setting up +# TLS for a domain with Let's Encrypt. +# +# URL to ACME directory +acme_url: https://acme-v02.api.letsencrypt.org/directory + +# Email to register with ACME provider +acme_email: "" + +# Domain name to request a TLS certificate for: +tls_letsencrypt_hostname: "" + +# Path to store certificates and metadata needed by +# letsencrypt +# For production: +tls_letsencrypt_cache_dir: /var/lib/headscale/cache + +# Type of ACME challenge to use, currently supported types: +# HTTP-01 or TLS-ALPN-01 +# See [docs/tls.md](docs/tls.md) for more information +tls_letsencrypt_challenge_type: HTTP-01 +# When HTTP-01 challenge is chosen, letsencrypt must set up a +# verification endpoint, and it will be listening on: +# :http = port 80 +tls_letsencrypt_listen: ":http" + +## Use already defined certificates: +tls_cert_path: "" +tls_key_path: "" + +log: + # Output formatting for logs: text or json + format: text + level: info + +# Path to a file containg ACL policies. +# ACLs can be defined as YAML or HUJSON. +# https://tailscale.com/kb/1018/acls/ +acl_policy_path: "" + +## DNS +# +# headscale supports Tailscale's DNS configuration and MagicDNS. +# Please have a look to their KB to better understand the concepts: +# +# - https://tailscale.com/kb/1054/dns/ +# - https://tailscale.com/kb/1081/magicdns/ +# - https://tailscale.com/blog/2021-09-private-dns-with-magicdns/ +# +dns_config: + # Whether to prefer using Headscale provided DNS or use local. + override_local_dns: true + + # List of DNS servers to expose to clients. + nameservers: + - 1.1.1.1 + + # NextDNS (see https://tailscale.com/kb/1218/nextdns/). + # "abc123" is example NextDNS ID, replace with yours. + # + # With metadata sharing: + # nameservers: + # - https://dns.nextdns.io/abc123 + # + # Without metadata sharing: + # nameservers: + # - 2a07:a8c0::ab:c123 + # - 2a07:a8c1::ab:c123 + + # Split DNS (see https://tailscale.com/kb/1054/dns/), + # list of search domains and the DNS to query for each one. + # + # restricted_nameservers: + # foo.bar.com: + # - 1.1.1.1 + # darp.headscale.net: + # - 1.1.1.1 + # - 8.8.8.8 + + # Search domains to inject. + domains: [] + + # Extra DNS records + # so far only A-records are supported (on the tailscale side) + # See https://github.com/juanfont/headscale/blob/main/docs/dns-records.md#Limitations + # extra_records: + # - name: "grafana.myvpn.example.com" + # type: "A" + # value: "100.64.0.3" + # + # # you can also put it in one line + # - { name: "prometheus.myvpn.example.com", type: "A", value: "100.64.0.3" } + + # Whether to use [MagicDNS](https://tailscale.com/kb/1081/magicdns/). + # Only works if there is at least a nameserver defined. + magic_dns: true + + # Defines the base domain to create the hostnames for MagicDNS. + # `base_domain` must be a FQDNs, without the trailing dot. + # The FQDN of the hosts will be + # `hostname.user.base_domain` (e.g., _myhost.myuser.example.com_). + base_domain: example.com + +# Unix socket used for the CLI to connect without authentication +# Note: for production you will want to set this to something like: +unix_socket: /var/run/headscale/headscale.sock +unix_socket_permission: "0770" +# +# headscale supports experimental OpenID connect support, +# it is still being tested and might have some bugs, please +# help us test it. +# OpenID Connect +# oidc: +# only_start_if_oidc_is_available: true +# issuer: "https://your-oidc.issuer.com/path" +# client_id: "your-oidc-client-id" +# client_secret: "your-oidc-client-secret" +# # Alternatively, set `client_secret_path` to read the secret from the file. +# # It resolves environment variables, making integration to systemd's +# # `LoadCredential` straightforward: +# client_secret_path: "${CREDENTIALS_DIRECTORY}/oidc_client_secret" +# # client_secret and client_secret_path are mutually exclusive. +# +# # The amount of time from a node is authenticated with OpenID until it +# # expires and needs to reauthenticate. +# # Setting the value to "0" will mean no expiry. +# expiry: 180d +# +# # Use the expiry from the token received from OpenID when the user logged +# # in, this will typically lead to frequent need to reauthenticate and should +# # only been enabled if you know what you are doing. +# # Note: enabling this will cause `oidc.expiry` to be ignored. +# use_expiry_from_token: false +# +# # Customize the scopes used in the OIDC flow, defaults to "openid", "profile" and "email" and add custom query +# # parameters to the Authorize Endpoint request. Scopes default to "openid", "profile" and "email". +# +# scope: ["openid", "profile", "email", "custom"] +# extra_params: +# domain_hint: example.com +# +# # List allowed principal domains and/or users. If an authenticated user's domain is not in this list, the +# # authentication request will be rejected. +# +# allowed_domains: +# - example.com +# # Note: Groups from keycloak have a leading '/' +# allowed_groups: +# - /headscale +# allowed_users: +# - alice@example.com +# +# # If `strip_email_domain` is set to `true`, the domain part of the username email address will be removed. +# # This will transform `first-name.last-name@example.com` to the user `first-name.last-name` +# # If `strip_email_domain` is set to `false` the domain part will NOT be removed resulting to the following +# user: `first-name.last-name.example.com` +# +# strip_email_domain: true + +# Logtail configuration +# Logtail is Tailscales logging and auditing infrastructure, it allows the control panel +# to instruct tailscale nodes to log their activity to a remote server. +logtail: + # Enable logtail for this headscales clients. + # As there is currently no support for overriding the log server in headscale, this is + # disabled by default. Enabling this will make your clients send logs to Tailscale Inc. + enabled: false + +# Enabling this option makes devices prefer a random port for WireGuard traffic over the +# default static port 41641. This option is intended as a workaround for some buggy +# firewall devices. See https://tailscale.com/kb/1181/firewalls/ for more information. +randomize_client_port: false diff --git a/headscale.service b/headscale.service new file mode 100644 index 0000000..78f1a61 --- /dev/null +++ b/headscale.service @@ -0,0 +1,52 @@ +[Unit] +After=syslog.target +After=network.target +Description=headscale coordination server for Tailscale + +[Service] +Type=simple +User=headscale +Group=headscale +ExecStart=/usr/bin/headscale serve +Restart=always +RestartSec=5 + +WorkingDirectory=/var/lib/headscale +ReadWritePaths=/var/lib/headscale /var/run + +AmbientCapabilities=CAP_NET_BIND_SERVICE CAP_CHOWN +CapabilityBoundingSet=CAP_CHOWN +LockPersonality=true +NoNewPrivileges=true +PrivateDevices=true +PrivateMounts=true +PrivateTmp=true +ProcSubset=pid +ProtectClock=true +ProtectControlGroups=true +ProtectHome=true +ProtectHome=yes +ProtectHostname=true +ProtectKernelLogs=true +ProtectKernelModules=true +ProtectKernelTunables=true +ProtectProc=invisible +ProtectSystem=strict +RemoveIPC=true +RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX +RestrictNamespaces=true +RestrictRealtime=true +RestrictSUIDSGID=true +RuntimeDirectory=headscale +RuntimeDirectoryMode=0750 +StateDirectory=headscale +StateDirectoryMode=0750 +SystemCallArchitectures=native +SystemCallFilter=@chown +SystemCallFilter=@system-service +SystemCallFilter=~@privileged +UMask=0077 + +[Install] +WantedBy=multi-user.target + diff --git a/headscale.spec b/headscale.spec index 79f26bc..907b0f2 100644 --- a/headscale.spec +++ b/headscale.spec @@ -20,9 +20,14 @@ Summary: An open source, self-hosted implementation of the Tailscale cont License: BSD-3-Clause URL: %{gourl} -Source: https://github.com/juanfont/headscale/archive/v%{version}/headscale-%{version}.tar.gz +Source0: https://github.com/juanfont/headscale/archive/v%{version}/headscale-%{version}.tar.gz +Source1: headscale.service +Source2: headscale.tmpfiles +Source3: headscale.sysuser.conf +Source4: config.yaml BuildRequires: git-core +BuildRequires: systemd-rpm-macros %if 0%{?rhel} BuildRequires: wget %endif @@ -72,6 +77,12 @@ done %gopkginstall install -m 0755 -vd %{buildroot}%{_bindir} install -m 0755 -vp %{gobuilddir}/bin/* %{buildroot}%{_bindir}/ +install -p -D -m 0644 %{SOURCE2} %{buildroot}%{_tmpfilesdir}/%{name}.conf +install -d -m 0755 %{buildroot}/run/%{name}/ +install -p -D -m 0644 %{SOURCE3} %{buildroot}%{_sysusersdir}/headscale.conf +install -p -D -m 0644 %{SOURCE1} %{buildroot}%{_unitdir}/%{name}.service +install -p -d -m 0755 %{buildroot}%{_sharedstatedir}/headscale/ +install -p -D -m 0644 %{SOURCE4} %{buildroot}%{_sysconfdir}/headscale/config.yaml %if %{with check} @@ -80,10 +91,34 @@ install -m 0755 -vp %{gobuilddir}/bin/* %{buildroot}%{_bindir}/ %endif +%pre +#/usr/sbin/useradd -g headscale -d /run/headscale -s /sbin/nologin \ +# -c "headscale" >/dev/null 2>&1 || : +%sysusers_create_compat %{SOURCE3} + + +%post +%systemd_post headscale.service + + +%preun +%systemd_preun headscale.service + + +%postun +%systemd_postun_with_restart headscale.service + + %files %license LICENSE %doc docs/ README.md CHANGELOG.md %{_bindir}/headscale +%{_tmpfilesdir}/%{name}.conf +%{_sysusersdir}/%{name}.conf +%{_unitdir}/%{name}.service +%{_sharedstatedir}/%{name}/ +%{_sysconfdir}/%{name}/ +%config(noreplace) %{_sysconfdir}/%{name}/config.yaml %gopkgfiles diff --git a/headscale.sysuser.conf b/headscale.sysuser.conf new file mode 100644 index 0000000..a36bcf6 --- /dev/null +++ b/headscale.sysuser.conf @@ -0,0 +1 @@ +u headscale - "headscale" /run/headscale /sbin/nologin diff --git a/headscale.tmpfiles b/headscale.tmpfiles new file mode 100644 index 0000000..832effd --- /dev/null +++ b/headscale.tmpfiles @@ -0,0 +1 @@ +d /run/headscale 0755 headscale headscale -