mirror of
https://github.com/nexus-stc/hyperboria
synced 2024-12-23 18:17:45 +01:00
557 lines
19 KiB
Python
557 lines
19 KiB
Python
"""Module contains functions for package creation, publishing and deployment
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Example:
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You could easily create target for debian package. It will make available :deb and :publish targets
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debian_package(
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name = "debian-repo",
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config_srcs = ["debian/debian-repo.aptly"],
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depends = [
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"nginx",
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"aptly",
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],
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description = "Debian Repository Package",
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extra_postinst = [
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"aptly -config='/etc/debian-repo/debian-repo.aptly' repo create bionic -distribution=bionic -component=main || /bin/true",
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"aptly -config='/etc/debian-repo/debian-repo.aptly' publish repo bionic || /bin/true",
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],
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package = "debian-repo",
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package_dir = "/var/cache/aptly",
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version = "1.0.0",
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)
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Then, you can
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bazel build :deb
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bazel run :publish
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"""
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load("@rules_pkg//:pkg.bzl", "pkg_tar")
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tar_filetype = [".tar", ".tar.gz", ".tgz", ".tar.xz", ".tar.bz2"]
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deb_filetype = [".deb", ".udeb"]
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default_maintainer = "developers@example.com"
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strip_prefix_by_action = {
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None: None,
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"repository": "/",
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"local": "./",
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}
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ScriptsInfo = provider(fields = ["postinst", "postrm", "preinst", "prerm"])
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def deploy_command(deb_package, hostname, username = "deployer"):
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"""Command for start deployment on `target_hosts` of package.
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Args:
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deb_package (File): Debian package to install
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hostname (str): host for installation
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username (str): SSH user for installation process
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Returns:
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Prepared string containing full bash command to start a deployment
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"""
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echo = 'echo "Deploying to {hostname}"\n'
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remove_old = "ssh {username}@{hostname} 'sudo rm -f {package_name}'\n"
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copy = "scp {package_path} {username}@{hostname}:~\n"
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remote_install = "sudo -H apt install --reinstall ./{package_name}".format(package_name = deb_package.basename)
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notify = "ssh {username}@{hostname} '{remote_notify}'\n"
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install = "ssh {username}@{hostname} '{remote_install}'\n"
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return (echo + remove_old + copy + install + remove_old).format(
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package_name = deb_package.basename,
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package_path = deb_package.short_path,
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hostname = hostname,
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username = username,
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remote_install = remote_install,
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)
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def _deploy(ctx):
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package = None
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for package in ctx.files.package:
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if package.basename.endswith(".deb") and package.basename != "deb.deb":
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break
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if not package:
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fail("No suitable debian package found!")
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content = "#!/usr/bin/env bash\nset -e\n"
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for target_host in ctx.attr.target_hosts:
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cmd = deploy_command(package, target_host)
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content += cmd
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ctx.actions.write(
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output = ctx.outputs.executable,
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content = content,
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is_executable = True,
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)
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runfiles = ctx.runfiles(
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files = [package],
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collect_default = True,
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)
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return [DefaultInfo(runfiles = runfiles)]
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deploy = rule(
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implementation = _deploy,
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attrs = {
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"package": attr.label(allow_files = True),
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"target_hosts": attr.string_list(mandatory = True),
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},
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executable = True,
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)
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def _generate_scripts_impl(ctx):
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generator = {
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"postinst": {"template": ctx.file._postinst_template, "output": ctx.outputs.postinst},
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"postrm": {"template": ctx.file._postrm_template, "output": ctx.outputs.postrm},
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"preinst": {"template": ctx.file._preinst_template, "output": ctx.outputs.preinst},
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"prerm": {"template": ctx.file._prerm_template, "output": ctx.outputs.prerm},
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}
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overriden_basenames = {x.basename: x for x in ctx.files.overriden_scripts}
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for script in generator:
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if script in overriden_basenames:
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ctx.actions.run_shell(
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command = "cp %s %s" % (overriden_basenames[script].path, generator[script]["output"].path),
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inputs = [overriden_basenames[script]],
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outputs = [generator[script]["output"]],
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)
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else:
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args = [generator[script]["template"].path, generator[script]["output"].path]
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args.extend(["--name", ctx.attr.package_name])
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if ctx.attr.extra_postinst:
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args.extend(["--extra-postinst", "[" + ", ".join([escape(x) for x in ctx.attr.extra_postinst]) + ", ]"])
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if ctx.attr.services:
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args.extend(["--services", "[" + ", ".join([escape(x) for x in ctx.attr.services]) + ", ]"])
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if ctx.attr.add_user:
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args.extend(["--add-user", ctx.attr.add_user])
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if ctx.attr.user_groups:
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args.extend(["--user-groups", "[" + ", ".join([escape(x) for x in ctx.attr.user_groups]) + ", ]"])
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ctx.actions.run(
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executable = ctx.executable.jinja2,
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arguments = args,
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inputs = [generator[script]["template"]],
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outputs = [generator[script]["output"]],
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mnemonic = "jinja2",
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)
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return [ScriptsInfo(
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postinst = ctx.outputs.postinst,
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postrm = ctx.outputs.postrm,
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preinst = ctx.outputs.preinst,
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prerm = ctx.outputs.prerm,
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)]
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generate_scripts = rule(
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implementation = _generate_scripts_impl,
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attrs = {
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"package_name": attr.string(mandatory = True),
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"services": attr.string_list(),
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"extra_postinst": attr.string_list(),
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"add_user": attr.string(),
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"user_groups": attr.string_list(),
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"overriden_scripts": attr.label_list(allow_files = True),
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"jinja2": attr.label(
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default = Label("//tools:jinja2"),
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cfg = "host",
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executable = True,
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allow_files = True,
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),
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"_postinst_template": attr.label(
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default = Label("//rules/packaging/templates:postinst.jinja2"),
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allow_single_file = True,
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),
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"_postrm_template": attr.label(
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default = Label("//rules/packaging/templates:postrm.jinja2"),
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allow_single_file = True,
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),
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"_preinst_template": attr.label(
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default = Label("//rules/packaging/templates:preinst.jinja2"),
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allow_single_file = True,
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),
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"_prerm_template": attr.label(
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default = Label("//rules/packaging/templates:prerm.jinja2"),
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allow_single_file = True,
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),
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},
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outputs = {
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"postinst": "%{package_name}.postinst",
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"postrm": "%{package_name}.postrm",
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"preinst": "%{package_name}.preinst",
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"prerm": "%{package_name}.prerm",
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},
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)
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def _pkg_deb_impl(ctx):
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"""The implementation for the pkg_deb rule."""
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files = [ctx.file.data]
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args = [
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"--output=" + ctx.outputs.deb.path,
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"--changes=" + ctx.outputs.changes.path,
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"--data=" + ctx.file.data.path,
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"--package=" + ctx.attr.package,
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"--architecture=" + ctx.attr.architecture,
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"--maintainer=" + ctx.attr.maintainer,
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]
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if ctx.attr.scripts:
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args.append("--preinst=@" + ctx.attr.scripts[ScriptsInfo].preinst.path)
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files.append(ctx.attr.scripts[ScriptsInfo].preinst)
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args.append("--postinst=@" + ctx.attr.scripts[ScriptsInfo].postinst.path)
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files.append(ctx.attr.scripts[ScriptsInfo].postinst)
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args.append("--prerm=@" + ctx.attr.scripts[ScriptsInfo].prerm.path)
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files.append(ctx.attr.scripts[ScriptsInfo].prerm)
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args.append("--postrm=@" + ctx.attr.scripts[ScriptsInfo].postrm.path)
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files.append(ctx.attr.scripts[ScriptsInfo].postrm)
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# Conffiles can be specified by a file or a string list
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if ctx.attr.conffiles_file:
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if ctx.attr.conffiles:
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fail("Both conffiles and conffiles_file attributes were specified")
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args.append("--conffile=@" + ctx.file.conffiles_file.path)
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files.append(ctx.file.conffiles_file)
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elif ctx.attr.conffiles:
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args += ["--conffile=%s" % cf for cf in ctx.attr.conffiles]
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# Version and description can be specified by a file or inlined
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if ctx.attr.version_file:
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if ctx.attr.version:
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fail("Both version and version_file attributes were specified")
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args.append("--version=@" + ctx.file.version_file.path)
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files.append(ctx.file.version_file)
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elif ctx.attr.version:
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args.append("--version=" + ctx.attr.version)
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else:
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fail("Neither version_file nor version attribute was specified")
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if ctx.attr.description_file:
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if ctx.attr.description:
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fail("Both description and description_file attributes were specified")
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args.append("--description=@" + ctx.file.description_file.path)
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files.append(ctx.file.description_file)
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elif ctx.attr.description:
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args.append("--description=" + ctx.attr.description)
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else:
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fail("Neither description_file nor description attribute was specified")
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# Built using can also be specified by a file or inlined (but is not mandatory)
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if ctx.attr.built_using:
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args.append("--built_using=" + ctx.attr.built_using)
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if ctx.attr.priority:
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args.append("--priority=" + ctx.attr.priority)
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if ctx.attr.section:
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args.append("--section=" + ctx.attr.section)
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if ctx.attr.homepage:
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args.append("--homepage=" + ctx.attr.homepag)
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args.append("--distribution=" + ctx.attr.distribution)
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args.append("--urgency=" + ctx.attr.urgency)
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args += ["--depends=" + d for d in ctx.attr.depends]
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args += ["--suggests=" + d for d in ctx.attr.suggests]
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args += ["--enhances=" + d for d in ctx.attr.enhances]
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args += ["--conflicts=" + d for d in ctx.attr.conflicts]
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args += ["--pre_depends=" + d for d in ctx.attr.predepends]
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args += ["--recommends=" + d for d in ctx.attr.recommends]
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args += ["--replaces=" + d for d in ctx.attr.replaces]
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ctx.actions.run(
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executable = ctx.executable.make_deb,
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arguments = args,
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inputs = files,
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outputs = [ctx.outputs.deb, ctx.outputs.changes],
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mnemonic = "MakeDeb",
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)
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# A rule for creating a deb file, see README.md
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pkg_deb = rule(
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implementation = _pkg_deb_impl,
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attrs = {
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"data": attr.label(mandatory = True, allow_single_file = True),
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"package": attr.string(mandatory = True),
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"architecture": attr.string(default = "all"),
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"distribution": attr.string(default = "unstable"),
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"urgency": attr.string(default = "medium"),
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"maintainer": attr.string(mandatory = True),
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"scripts": attr.label(mandatory = False),
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"conffiles_file": attr.label(allow_single_file = True),
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"conffiles": attr.string_list(default = []),
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"version_file": attr.label(allow_single_file = True),
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"version": attr.string(),
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"description_file": attr.label(allow_single_file = True),
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"description": attr.string(),
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"built_using": attr.string(),
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"priority": attr.string(),
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"section": attr.string(),
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"homepage": attr.string(),
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"depends": attr.string_list(default = []),
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"suggests": attr.string_list(default = []),
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"enhances": attr.string_list(default = []),
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"conflicts": attr.string_list(default = []),
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"predepends": attr.string_list(default = []),
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"recommends": attr.string_list(default = []),
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"replaces": attr.string_list(default = []),
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# Implicit dependencies.
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"make_deb": attr.label(
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default = Label("//rules/packaging:make_deb"),
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cfg = "host",
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executable = True,
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allow_files = True,
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),
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},
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outputs = {
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"deb": "%{package}_%{version}_%{architecture}.deb",
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"changes": "%{package}_%{version}_%{architecture}.changes",
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},
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executable = False,
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)
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def escape(x):
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return '"%s"' % x
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def _get_extensions():
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extensions = {
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".cron": "./etc/cron.d/",
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".logrotate": "./etc/logrotate.d/",
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".service": "./etc/systemd/system/",
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}
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debian_files = native.glob(["debian/**"])
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overriden_scripts = []
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content = {}
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symlinks = {}
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files_by_extension = {}
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services = []
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for filepath in debian_files:
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if filepath in ["debian/postinst", "debian/preinst", "debian/prerm", "debian/postrm"]:
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overriden_scripts.append(filepath)
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filename = filepath[(filepath.rfind("/") + 1):]
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last_dot = filepath.rfind(".")
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fileext = filepath[last_dot:]
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filepath_without_extension = filepath[:last_dot]
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filename_without_extension = filepath_without_extension[(filepath_without_extension.rfind("/") + 1):]
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if fileext in extensions:
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content.setdefault(extensions[fileext], []).append(filepath)
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# Cron-specific hack reasoned by these fucking monkeys restricting dots in the names of crontab files
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if fileext == ".cron":
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symlinks[extensions[".cron"] + filename_without_extension] = "./" + filename
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if fileext == ".service":
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services.append(filename_without_extension)
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return {"content": content, "overriden_scripts": overriden_scripts, "services": services, "symlinks": symlinks}
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def debian_package(
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package_name,
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version,
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maintainer = default_maintainer,
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architecture = "amd64",
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description = None,
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homepage = None,
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depends = [],
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replaces = [],
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conflicts = [],
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content = None,
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symlinks = {},
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owner = None,
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mode = None,
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owners = {},
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modes = {},
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extra_postinst = [],
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target_hosts = [],
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visibility = None):
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"""Package creation, publishing and deployment targets
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Args:
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package_name (str): debian package name. Defaults to default_company_name + '-' + name
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version (str): package version
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maintainer (str): maintainer email
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architecture (str): package architecture
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description (str): package description
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homepage (str): package homepage
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depends (list): debian packages a created package depends on
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replaces (list): debian packages a created package replaces
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conflicts (list): debian packages a created package conflicts to
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content (dict):
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symlinks (dict):
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owner (str):
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mode (str):
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owners (dict):
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modes (dict):
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extra_postinst (list):
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target_hosts (list):
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visibility (list):
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"""
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all_tars = []
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extensions = _get_extensions()
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if content == None:
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content = {}
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content.update(extensions["content"])
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for path in content:
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tar_name = package_name + "-" + path.replace("/", "-")
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unstructured_tar_name = "unstructured-" + tar_name
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content_for_path = content[path]
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unstructured_content = [x for x in content_for_path if type(x) == "string"]
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structured_content = [x for x in content_for_path if type(x) == "dict"]
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pkg_tar(
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name = unstructured_tar_name,
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extension = "tar",
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package_dir = path,
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srcs = unstructured_content,
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empty_dirs = [path] if not content_for_path else [],
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ownername = owner,
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mode = mode,
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ownernames = owners,
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modes = modes,
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)
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all_tars.append(unstructured_tar_name)
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for i, el in enumerate(structured_content):
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keep_structure = el.get("keep_structure", None)
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strip_prefix = strip_prefix_by_action[keep_structure]
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subtar_name = "structured-" + tar_name + "-" + str(i)
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pkg_tar(
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name = subtar_name,
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extension = "tar",
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package_dir = path,
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srcs = el["srcs"],
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strip_prefix = strip_prefix,
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ownername = owner,
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mode = mode,
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ownernames = owners,
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modes = modes,
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)
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all_tars.append(subtar_name)
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scripts_target_name = package_name + "-scripts"
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generate_scripts(
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name = scripts_target_name,
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package_name = package_name,
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services = extensions["services"],
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extra_postinst = extra_postinst,
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overriden_scripts = extensions["overriden_scripts"],
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)
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data_tar_name = package_name + "-data-tar"
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symlinks = {"." + k.lstrip("."): v for k, v in symlinks.items()}
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symlinks.update(extensions["symlinks"])
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pkg_tar(
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name = data_tar_name,
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deps = all_tars,
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symlinks = symlinks,
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visibility = visibility,
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)
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pkg_deb(
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name = package_name + ".deb",
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package = package_name,
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version = version,
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maintainer = maintainer,
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architecture = architecture,
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description = description,
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homepage = homepage,
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depends = depends,
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replaces = replaces,
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conflicts = conflicts,
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data = data_tar_name,
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scripts = scripts_target_name,
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built_using = "bazel",
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visibility = visibility,
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)
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deploy(
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name = package_name + "-deploy",
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package = package_name + ".deb",
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target_hosts = target_hosts,
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)
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def pkg_files(
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name,
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srcs,
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symlinks = {},
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owner = "0.0",
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ownername = None,
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mode = "0555",
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owners = {},
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ownernames = {},
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modes = {},
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visibility = None):
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"""Package creation, publishing and deployment targets
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Args:
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name (str): name
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srcs (dict):
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symlinks (dict):
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owner (str):
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ownername (str):
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mode (str):
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owners (dict):
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ownernames (dict):
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modes (dict):
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visibility (dict):
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"""
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all_tars = []
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for path in srcs:
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tar_name = name + path.replace("/", "-")
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partial_owner = owner
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partial_ownername = ownername
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partial_mode = mode
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if path in owners:
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partial_owner = owners[path]
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if path in ownernames:
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partial_ownername = ownernames[path]
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if path in modes:
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partial_mode = modes[path]
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|
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pkg_tar(
|
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name = tar_name,
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extension = "tar",
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package_dir = path,
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srcs = srcs[path],
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empty_dirs = [path] if not srcs[path] else [],
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owner = partial_owner,
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ownername = partial_ownername,
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mode = partial_mode,
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strip_prefix = "./",
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)
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all_tars.append(tar_name)
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symlinks = {"." + k.lstrip("."): v for k, v in symlinks.items()}
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pkg_tar(
|
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name = name,
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deps = all_tars,
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symlinks = symlinks,
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owner = owner,
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ownername = ownername,
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mode = mode,
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owners = owners,
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ownernames = ownernames,
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modes = modes,
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visibility = visibility,
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)
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