77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
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from typing import Optional
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from pyinfra import host
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from pyinfra.api import deploy
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from pyinfra.operations import apt, files, server, dnf
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from pyinfra.facts.server import LinuxName
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from pyinfra.facts import server as server_facts
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ELIXIR_DEFAULTS = {
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"elixir_version": "1.13.4",
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"erlang_version": "25",
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}
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def install_for_ubuntu():
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elixir_is_updated = False
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erlang_is_updated = False
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wanted_elixir_version = host.data.elixir_version
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wanted_erlang_version = host.data.erlang_version
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elixir_command = host.get_fact(server_facts.Which, command="elixir")
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if elixir_command:
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elixir_version = host.get_fact(ElixirVersion)
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elixir_is_updated = elixir_version == wanted_elixir_version
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erlang_command = host.get_fact(server_facts.Which, command="erl")
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if erlang_command:
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erlang_version = host.get_fact(ErlangVersion)
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erlang_is_updated = erlang_version == wanted_erlang_version
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if elixir_is_updated and erlang_is_updated:
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return
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# elixir is non trivial to install because we can't
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# rely on the ubuntu package repo to be updated
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#
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# so we use the Erlang Solutions repository as recommended by elixir themselves.
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erlang_repo_deb_path = "/tmp/erlang-solutions.deb"
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files.download(
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name="download erlang solutions repo deb file",
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src="https://packages.erlang-solutions.com/erlang-solutions_2.0_all.deb",
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dest=erlang_repo_deb_path,
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)
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apt.deb(
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name="install erlang solutions repo",
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src=erlang_repo_deb_path,
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)
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# TODO: we don't need to update if we already installed the deb
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apt.update(cache_time=3600)
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# its in two separate steps as recommended by readme. who am i to judge
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apt.packages(
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name="install erlang",
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packages=[
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f"erlang={otp_version}" if otp_version else f"erlang",
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f"erlang-manpages={otp_version}" if otp_version else f"erlang-manpages",
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],
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)
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apt.packages(
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name="install elixir",
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packages=[f"elixir={elixir_version}" if elixir_version else "elixir"],
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)
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@deploy("Install Elixir", data_defaults=ELIXIR_DEFAULTS)
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def install():
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linux_name = host.get_fact(LinuxName)
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if linux_name == "Fedora":
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dnf.packages(["erlang", "elixir"])
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else:
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install_for_ubuntu()
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server.shell(name="test elixir exists", commands=["elixir -v"])
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