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mix.exs
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defmodule EMQXUmbrella.MixProject do
use Mix.Project
@moduledoc """
The purpose of this file is to configure the release of EMQX under
Mix. Since EMQX uses its own configuration conventions and startup
procedures, one cannot simply use `iex -S mix`. Instead, it's
recommendd to build and use the release.
## Profiles
To control the profile and edition to build, we case split on the
MIX_ENV value.
The following profiles are valid:
* `emqx`
* `emqx-edge`
* `emqx-enterprise`
* `emqx-pkg`
* `emqx-edge-pkg`
* `emqx-enterprise-pkg`
* `dev` -> same as `emqx`, for convenience
## Release Environment Variables
The release build is controlled by a few environment variables.
* `ELIXIR_MAKE_TAR` - If set to `yes`, will produce a `.tar.gz`
tarball along with the release.
"""
def project() do
check_profile!()
[
app: :emqx_mix,
version: pkg_vsn(),
deps: deps(),
releases: releases()
]
end
defp deps() do
# we need several overrides here because dependencies specify
# other exact versions, and not ranges.
[
{:lc, github: "emqx/lc", tag: "0.2.1"},
{:redbug, "2.0.7"},
{:typerefl, github: "ieQu1/typerefl", tag: "0.9.0", override: true},
{:ehttpc, github: "emqx/ehttpc", tag: "0.1.12"},
{:gproc, github: "uwiger/gproc", tag: "0.8.0", override: true},
{:jiffy, github: "emqx/jiffy", tag: "1.0.5", override: true},
{:cowboy, github: "emqx/cowboy", tag: "2.9.0", override: true},
{:esockd, github: "emqx/esockd", tag: "5.9.1", override: true},
{:mria, github: "emqx/mria", tag: "0.2.3", override: true},
{:ekka, github: "emqx/ekka", tag: "0.12.3", override: true},
{:gen_rpc, github: "emqx/gen_rpc", tag: "2.8.1", override: true},
{:minirest, github: "emqx/minirest", tag: "1.2.12", override: true},
{:ecpool, github: "emqx/ecpool", tag: "0.5.2"},
{:replayq, "0.3.4", override: true},
{:pbkdf2, github: "emqx/erlang-pbkdf2", tag: "2.0.4", override: true},
{:emqtt, github: "emqx/emqtt", tag: "1.5.0", override: true},
{:rulesql, github: "emqx/rulesql", tag: "0.1.4"},
{:observer_cli, "1.7.1"},
{:system_monitor, github: "ieQu1/system_monitor", tag: "3.0.3"},
# in conflict by emqtt and hocon
{:getopt, "1.0.2", override: true},
{:snabbkaffe, github: "kafka4beam/snabbkaffe", tag: "0.18.0", override: true},
{:hocon, github: "emqx/hocon", tag: "0.27.3", override: true},
{:emqx_http_lib, github: "emqx/emqx_http_lib", tag: "0.5.1", override: true},
{:esasl, github: "emqx/esasl", tag: "0.2.0"},
{:jose, github: "potatosalad/erlang-jose", tag: "1.11.2"},
# in conflict by ehttpc and emqtt
{:gun, github: "emqx/gun", tag: "1.3.6", override: true},
# in conflict by emqx_connectior and system_monitor
{:epgsql, github: "emqx/epgsql", tag: "4.7-emqx.2", override: true},
# in conflict by mongodb and eredis_cluster
{:poolboy, github: "emqx/poolboy", tag: "1.5.2", override: true},
# in conflict by emqx and observer_cli
{:recon, github: "ferd/recon", tag: "2.5.1", override: true},
{:jsx, github: "talentdeficit/jsx", tag: "v3.1.0", override: true},
# dependencies of dependencies; we choose specific refs to match
# what rebar3 chooses.
# in conflict by gun and emqtt
{:cowlib,
github: "ninenines/cowlib", ref: "c6553f8308a2ca5dcd69d845f0a7d098c40c3363", override: true},
# in conflict by cowboy_swagger and cowboy
{:ranch,
github: "ninenines/ranch", ref: "a692f44567034dacf5efcaa24a24183788594eb7", override: true},
# in conflict by grpc and eetcd
{:gpb, "4.11.2", override: true, runtime: false}
] ++ umbrella_apps() ++ bcrypt_dep() ++ quicer_dep()
end
defp umbrella_apps() do
"apps/*"
|> Path.wildcard()
|> Enum.map(fn path ->
app =
path
|> String.trim_leading("apps/")
|> String.to_atom()
{app, path: path, manager: :rebar3, override: true}
end)
end
defp releases() do
[
emqx: fn ->
%{
release_type: release_type,
package_type: package_type,
edition_type: edition_type
} = check_profile!()
base_steps = [
:assemble,
&create_RELEASES/1,
©_files(&1, release_type, package_type, edition_type),
©_escript(&1, "nodetool"),
©_escript(&1, "install_upgrade.escript")
]
steps =
if System.get_env("ELIXIR_MAKE_TAR") == "yes" do
base_steps ++ [&prepare_tar_overlays/1, :tar]
else
base_steps
end
[
applications: applications(release_type, edition_type),
skip_mode_validation_for: [
:emqx_gateway,
:emqx_dashboard,
:emqx_resource,
:emqx_connector,
:emqx_exhook,
:emqx_bridge,
:emqx_modules,
:emqx_management,
:emqx_statsd,
:emqx_retainer,
:emqx_prometheus,
:emqx_auto_subscribe,
:emqx_slow_subs,
:emqx_plugins
],
steps: steps,
strip_beams: false
]
end
]
end
def applications(release_type, edition_type) do
[
crypto: :permanent,
public_key: :permanent,
asn1: :permanent,
syntax_tools: :permanent,
ssl: :permanent,
os_mon: :permanent,
inets: :permanent,
compiler: :permanent,
runtime_tools: :permanent,
redbug: :permanent,
hocon: :load,
emqx: :load,
emqx_conf: :load,
emqx_machine: :permanent,
mria: :load,
mnesia: :load,
ekka: :load,
emqx_plugin_libs: :load,
esasl: :load,
observer_cli: :permanent,
system_monitor: :load,
emqx_http_lib: :permanent,
emqx_resource: :permanent,
emqx_connector: :permanent,
emqx_authn: :permanent,
emqx_authz: :permanent,
emqx_auto_subscribe: :permanent,
emqx_gateway: :permanent,
emqx_exhook: :permanent,
emqx_bridge: :permanent,
emqx_rule_engine: :permanent,
emqx_modules: :permanent,
emqx_management: :permanent,
emqx_dashboard: :permanent,
emqx_retainer: :permanent,
emqx_statsd: :permanent,
emqx_prometheus: :permanent,
emqx_psk: :permanent,
emqx_slow_subs: :permanent,
emqx_plugins: :permanent,
emqx_mix: :none
] ++
if(enable_quicer?(), do: [quicer: :permanent], else: []) ++
if(enable_bcrypt?(), do: [bcrypt: :permanent], else: []) ++
if(edition_type == :enterprise,
do: [
emqx_enterprise_conf: :load,
emqx_license: :permanent
],
else: []
) ++
if(release_type == :cloud,
do: [xmerl: :permanent, observer: :load],
else: []
)
end
def emqx_machine_boot_apps(:community) do
[
:emqx_prometheus,
:emqx_modules,
:emqx_dashboard,
:emqx_connector,
:emqx_gateway,
:emqx_statsd,
:emqx_resource,
:emqx_rule_engine,
:emqx_bridge,
:emqx_plugin_libs,
:emqx_management,
:emqx_retainer,
:emqx_exhook,
:emqx_authn,
:emqx_authz,
:emqx_auto_subscribe,
:emqx_slow_subs,
:emqx_plugins
]
end
def emqx_machine_boot_apps(:enterprise) do
emqx_machine_boot_apps(:community) ++
[]
end
defp emqx_machine_boot_app_list(edition_type) do
edition_type
|> emqx_machine_boot_apps()
|> Enum.map(&Atom.to_string/1)
|> Enum.join(", ")
end
def check_profile!() do
valid_envs = [
:dev,
:emqx,
:"emqx-pkg",
:"emqx-enterprise",
:"emqx-enterprise-pkg",
:"emqx-edge",
:"emqx-edge-pkg"
]
if Mix.env() not in valid_envs do
formatted_envs =
valid_envs
|> Enum.map(&" * #{&1}")
|> Enum.join("\n")
Mix.raise("""
Invalid env #{Mix.env()}. Valid options are:
#{formatted_envs}
""")
end
{
release_type,
package_type,
edition_type
} =
case Mix.env() do
:dev ->
{:cloud, :bin, :community}
:emqx ->
{:cloud, :bin, :community}
:"emqx-edge" ->
{:edge, :bin, :community}
:"emqx-enterprise" ->
{:cloud, :bin, :enterprise}
:"emqx-pkg" ->
{:cloud, :pkg, :community}
:"emqx-edge-pkg" ->
{:edge, :pkg, :community}
:"emqx-enterprise-pkg" ->
{:cloud, :pkg, :enterprise}
end
normalize_env!()
%{
release_type: release_type,
package_type: package_type,
edition_type: edition_type
}
end
#############################################################################
# Custom Steps
#############################################################################
defp copy_files(release, release_type, package_type, edition_type) do
overwrite? = Keyword.get(release.options, :overwrite, false)
bin = Path.join(release.path, "bin")
etc = Path.join(release.path, "etc")
log = Path.join(release.path, "log")
Mix.Generator.create_directory(bin)
Mix.Generator.create_directory(etc)
Mix.Generator.create_directory(log)
Mix.Generator.create_directory(Path.join(etc, "certs"))
Enum.each(
["mnesia", "configs", "patches", "scripts"],
fn dir ->
path = Path.join([release.path, "data", dir])
Mix.Generator.create_directory(path)
end
)
Mix.Generator.copy_file(
"apps/emqx_authz/etc/acl.conf",
Path.join(etc, "acl.conf"),
force: overwrite?
)
# required by emqx_authz
File.cp_r!(
"apps/emqx/etc/certs",
Path.join(etc, "certs")
)
# required by emqx_dashboard
Mix.Generator.copy_file(
"apps/emqx_dashboard/etc/i18n.conf.all",
Path.join(etc, "i18n.conf"),
force: overwrite?
)
# this is required by the produced escript / nodetool
Mix.Generator.copy_file(
Path.join(release.version_path, "start_clean.boot"),
Path.join(bin, "no_dot_erlang.boot"),
force: overwrite?
)
assigns = template_vars(release, release_type, package_type, edition_type)
# This is generated by `scripts/merge-config.escript` or `make
# conf-segs`. So, this should be run before the release.
# TODO: run as a "compiler" step???
render_template(
"apps/emqx_conf/etc/emqx.conf.all",
assigns,
Path.join(etc, "emqx.conf")
)
if edition_type == :enterprise do
render_template(
"apps/emqx_conf/etc/emqx_enterprise.conf.all",
assigns,
Path.join(etc, "emqx_enterprise.conf")
)
end
render_template(
"rel/emqx_vars",
assigns,
Path.join([release.path, "releases", "emqx_vars"])
)
vm_args_template_path =
case release_type do
:cloud ->
"apps/emqx/etc/emqx_cloud/vm.args"
:edge ->
"apps/emqx/etc/emqx_edge/vm.args"
end
render_template(
vm_args_template_path,
assigns,
[
Path.join(etc, "vm.args"),
Path.join(release.version_path, "vm.args")
]
)
for name <- [
"emqx",
"emqx_ctl"
] do
Mix.Generator.copy_file(
"bin/#{name}",
Path.join(bin, name),
force: overwrite?
)
# Files with the version appended are expected by the release
# upgrade script `install_upgrade.escript`
Mix.Generator.copy_file(
Path.join(bin, name),
Path.join(bin, name <> "-#{release.version}"),
force: overwrite?
)
end
for base_name <- ["emqx", "emqx_ctl"],
suffix <- ["", "-#{release.version}"] do
name = base_name <> suffix
File.chmod!(Path.join(bin, name), 0o755)
end
Mix.Generator.copy_file(
"bin/node_dump",
Path.join(bin, "node_dump"),
force: overwrite?
)
File.chmod!(Path.join(bin, "node_dump"), 0o755)
render_template(
"rel/BUILD_INFO",
assigns,
Path.join(release.version_path, "BUILD_INFO")
)
release
end
defp render_template(template, assigns, target) when is_binary(target) do
render_template(template, assigns, [target])
end
defp render_template(template, assigns, tartgets) when is_list(tartgets) do
rendered =
File.read!(template)
|> from_rebar_to_eex_template()
|> EEx.eval_string(assigns)
for target <- tartgets do
File.write!(target, rendered)
end
end
# needed by nodetool and by release_handler
defp create_RELEASES(release) do
apps =
Enum.map(release.applications, fn {app_name, app_props} ->
app_vsn = Keyword.fetch!(app_props, :vsn)
app_path =
"./lib"
|> Path.join("#{app_name}-#{app_vsn}")
|> to_charlist()
{app_name, app_vsn, app_path}
end)
release_entry = [
{
:release,
to_charlist(release.name),
to_charlist(release.version),
release.erts_version,
apps,
:permanent
}
]
release.path
|> Path.join("releases")
|> Path.join("RELEASES")
|> File.open!([:write, :utf8], fn handle ->
IO.puts(handle, "%% coding: utf-8")
:io.format(handle, '~tp.~n', [release_entry])
end)
release
end
defp copy_escript(release, escript_name) do
[shebang, rest] =
"bin/#{escript_name}"
|> File.read!()
|> String.split("\n", parts: 2)
# the elixir version of escript + start.boot required the boot_var
# RELEASE_LIB to be defined.
boot_var = "%%!-boot_var RELEASE_LIB $RUNNER_ROOT_DIR/lib"
# Files with the version appended are expected by the release
# upgrade script `install_upgrade.escript`
Enum.each(
[escript_name, escript_name <> "-" <> release.version],
fn name ->
path = Path.join([release.path, "bin", name])
File.write!(path, [shebang, "\n", boot_var, "\n", rest])
end
)
release
end
# The `:tar` built-in step in Mix Release does not currently add the
# `etc` directory into the resulting tarball. The workaround is to
# add those to the `:overlays` key before running `:tar`.
# See: https://hexdocs.pm/mix/1.13.3/Mix.Release.html#__struct__/0
defp prepare_tar_overlays(release) do
Map.update!(
release,
:overlays,
&[
"etc",
"data",
"bin/node_dump"
| &1
]
)
end
#############################################################################
# Helper functions
#############################################################################
defp template_vars(release, release_type, :bin = _package_type, edition_type) do
[
platform_data_dir: "data",
platform_etc_dir: "etc",
platform_log_dir: "log",
platform_plugins_dir: "plugins",
runner_bin_dir: "$RUNNER_ROOT_DIR/bin",
emqx_etc_dir: "$RUNNER_ROOT_DIR/etc",
runner_lib_dir: "$RUNNER_ROOT_DIR/lib",
runner_log_dir: "$RUNNER_ROOT_DIR/log",
runner_user: "",
release_version: release.version,
erts_vsn: release.erts_version,
# FIXME: this is empty in `make emqx` ???
erl_opts: "",
emqx_description: emqx_description(release_type, edition_type),
emqx_schema_mod: emqx_schema_mod(edition_type),
emqx_machine_boot_apps: emqx_machine_boot_app_list(edition_type),
is_elixir: "yes",
is_enterprise: if(edition_type == :enterprise, do: "yes", else: "no")
] ++ build_info()
end
defp template_vars(release, release_type, :pkg = _package_type, edition_type) do
[
platform_data_dir: "/var/lib/emqx",
platform_etc_dir: "/etc/emqx",
platform_log_dir: "/var/log/emqx",
platform_plugins_dir: "/var/lib/emqx/plugins",
runner_bin_dir: "/usr/bin",
emqx_etc_dir: "/etc/emqx",
runner_lib_dir: "$RUNNER_ROOT_DIR/lib",
runner_log_dir: "/var/log/emqx",
runner_user: "emqx",
release_version: release.version,
erts_vsn: release.erts_version,
# FIXME: this is empty in `make emqx` ???
erl_opts: "",
emqx_description: emqx_description(release_type, edition_type),
emqx_schema_mod: emqx_schema_mod(edition_type),
emqx_machine_boot_apps: emqx_machine_boot_app_list(edition_type),
is_elixir: "yes",
is_enterprise: if(edition_type == :enterprise, do: "yes", else: "no")
] ++ build_info()
end
defp emqx_description(release_type, edition_type) do
case {release_type, edition_type} do
{:cloud, :enterprise} ->
"EMQX Enterprise"
{:cloud, :community} ->
"EMQX"
{:edge, :community} ->
"EMQX Edge"
end
end
defp emqx_schema_mod(:enterprise), do: :emqx_enterprise_conf_schema
defp emqx_schema_mod(:community), do: :emqx_conf_schema
defp bcrypt_dep() do
if enable_bcrypt?(),
do: [{:bcrypt, github: "emqx/erlang-bcrypt", tag: "0.6.0", override: true}],
else: []
end
defp quicer_dep() do
if enable_quicer?(),
# in conflict with emqx and emqtt
do: [{:quicer, github: "emqx/quic", tag: "0.0.9", override: true}],
else: []
end
defp enable_bcrypt?() do
not win32?()
end
defp enable_quicer?() do
not Enum.any?([
build_without_quic?(),
win32?(),
centos6?()
])
end
defp pkg_vsn() do
%{edition_type: edition_type} = check_profile!()
basedir = Path.dirname(__ENV__.file)
script = Path.join(basedir, "pkg-vsn.sh")
os_cmd(script, [Atom.to_string(edition_type)])
end
defp os_cmd(script, args) do
{str, 0} = System.cmd("bash", [script | args])
String.trim(str)
end
defp win32?(),
do: match?({:win_32, _}, :os.type())
defp centos6?() do
case File.read("/etc/centos-release") do
{:ok, "CentOS release 6" <> _} ->
true
_ ->
false
end
end
defp build_without_quic?() do
opt = System.get_env("BUILD_WITHOUT_QUIC", "false")
String.downcase(opt) != "false"
end
defp from_rebar_to_eex_template(str) do
# we must not consider surrounding space in the template var name
# because some help strings contain informative variables that
# should not be interpolated, and those have no spaces.
Regex.replace(
~r/\{\{ ([a-zA-Z0-9_]+) \}\}/,
str,
"<%= \\g{1} %>"
)
end
defp build_info() do
[
build_info_arch: to_string(:erlang.system_info(:system_architecture)),
build_info_wordsize: wordsize(),
build_info_os: os_cmd("./scripts/get-distro.sh", []),
build_info_erlang: otp_release(),
build_info_elixir: System.version(),
build_info_relform: System.get_env("EMQX_REL_FORM", "tgz")
]
end
# https://github.com/erlang/rebar3/blob/e3108ac187b88fff01eca6001a856283a3e0ec87/src/rebar_utils.erl#L142
defp wordsize() do
size =
try do
:erlang.system_info({:wordsize, :external})
rescue
ErlangError ->
:erlang.system_info(:wordsize)
end
to_string(8 * size)
end
defp normalize_env!() do
env =
case Mix.env() do
:dev ->
:emqx
env ->
env
end
Mix.env(env)
end
# As from Erlang/OTP 17, the OTP release number corresponds to the
# major OTP version number. No erlang:system_info() argument gives
# the exact OTP version.
# https://www.erlang.org/doc/man/erlang.html#system_info_otp_release
# https://github.com/erlang/rebar3/blob/e3108ac187b88fff01eca6001a856283a3e0ec87/src/rebar_utils.erl#L572-L577
defp otp_release() do
major_version = System.otp_release()
root_dir = to_string(:code.root_dir())
[root_dir, "releases", major_version, "OTP_VERSION"]
|> Path.join()
|> File.read()
|> case do
{:error, _} ->
major_version
{:ok, version} ->
version
|> String.trim()
|> String.split("**")
|> List.first()
end
end
end