59 lines
2.2 KiB
Python
59 lines
2.2 KiB
Python
import os
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import subprocess
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from selfprivacy_api.migrations.migration import Migration
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class MigrateToSelfprivacyChannelFrom2205(Migration):
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"""Migrate to selfprivacy Nix channel.
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For some reason NixOS 22.05 servers initialized with the nixos channel instead of selfprivacy.
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This stops us from upgrading to NixOS 22.11
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"""
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def get_migration_name(self):
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return "migrate_to_selfprivacy_channel_from_2205"
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def get_migration_description(self):
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return "Migrate to selfprivacy Nix channel from NixOS 22.05."
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def is_migration_needed(self):
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try:
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output = subprocess.check_output(
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["nix-channel", "--list"], start_new_session=True
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)
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output = output.decode("utf-8")
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first_line = output.split("\n", maxsplit=1)[0]
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return first_line.startswith("nixos") and (
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first_line.endswith("nixos-22.05")
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)
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except subprocess.CalledProcessError:
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return False
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def migrate(self):
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# Change the channel and update them.
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# Also, go to /etc/nixos directory and make a git pull
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current_working_directory = os.getcwd()
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try:
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print("Changing channel")
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os.chdir("/etc/nixos")
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subprocess.check_output(
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[
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"nix-channel",
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"--add",
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"https://channel.selfprivacy.org/nixos-selfpricacy",
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"nixos",
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]
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)
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subprocess.check_output(["nix-channel", "--update"])
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nixos_config_branch = subprocess.check_output(
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["git", "rev-parse", "--abbrev-ref", "HEAD"], start_new_session=True
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)
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if nixos_config_branch.decode("utf-8").strip() == "api-redis":
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print("Also changing nixos-config branch from api-redis to master")
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subprocess.check_output(["git", "checkout", "master"])
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subprocess.check_output(["git", "pull"])
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os.chdir(current_working_directory)
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except subprocess.CalledProcessError:
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os.chdir(current_working_directory)
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print("Error")
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