How to use prepare_installation method in localstack

Best Python code snippet using localstack_python

osxpkg.py

Source:osxpkg.py

...274    output = os.path.join(PACKAGES_DIR, f"{name}.pkg")275    args += [output]276    check_call(args)277    return output278def pkgbuild_prepare_installation(info):279    pkg = pkgbuild(280        "prepare_installation",281        identifier=info.get("reverse_domain_identifier"),282        version=info["version"],283        install_location=info.get("default_location_pkg"),284    )285    approx_pkgs_size_kb = approx_size_kb(info, "pkgs")286    if approx_pkgs_size_kb <= 0:287        return pkg288    # We need to patch the estimated install size because it's initially289    # set to the sum of the compressed tarballs, which is not representative290    try:291        # expand to apply patches292        check_call(["pkgutil", "--expand", pkg, f"{pkg}.expanded"])293        payload_xml = os.path.join(f"{pkg}.expanded", "PackageInfo")294        tree = ET.parse(payload_xml)295        root = tree.getroot()296        payload = root.find("payload")297        payload.set("installKBytes", str(approx_pkgs_size_kb))298        tree.write(payload_xml)299        # repack300        check_call(["pkgutil", "--flatten", f"{pkg}.expanded", pkg])301        return pkg302    finally:303        shutil.rmtree(f"{pkg}.expanded")304def pkgbuild_script(name, info, src, dst='postinstall', **kwargs):305    fresh_dir(SCRIPTS_DIR)306    fresh_dir(PACKAGE_ROOT)307    move_script(join(OSX_DIR, src), join(SCRIPTS_DIR, dst), info, **kwargs)308    pkgbuild(309        name,310        identifier=info.get("reverse_domain_identifier"),311        install_location=info.get("default_location_pkg"),312    )313    rm_rf(SCRIPTS_DIR)314def create(info, verbose=False):315    global CACHE_DIR, PACKAGE_ROOT, PACKAGES_DIR, SCRIPTS_DIR316    CACHE_DIR = info['_download_dir']317    SCRIPTS_DIR = join(CACHE_DIR, "scripts")318    PACKAGE_ROOT = join(CACHE_DIR, "package_root")319    PACKAGES_DIR = join(CACHE_DIR, "built_pkgs")320    fresh_dir(PACKAGES_DIR)321    prefix = join(PACKAGE_ROOT, info.get("pkg_name", info['name']).lower())322    # We need to split tasks in sub-PKGs so the GUI allows the user to enable/disable323    # the ones marked as optional. Optionality is controlled in modify_xml() by324    # patching the XML blocks corresponding to each sub-PKG name.325    # See http://stackoverflow.com/a/11487658/161801 for how all this works.326    # 1. Prepare installation327    # The 'prepare_installation' package contains the prepopulated package cache, the modified328    # conda-meta metadata staged into pkgs/conda-meta, conda.exe,329    # Optionally, extra files and the user-provided scripts.330    #Â We first populate PACKAGE_ROOT with everything needed, and then run pkg build on that dir331    fresh_dir(PACKAGE_ROOT)332    fresh_dir(SCRIPTS_DIR)333    pkgs_dir = join(prefix, 'pkgs')334    os.makedirs(pkgs_dir)335    preconda.write_files(info, pkgs_dir)336    preconda.copy_extra_files(info, prefix)337    # These are the user-provided scripts, maybe patched to have a shebang338    # They will be called by a wrapping script added later, if present339    if info.get('pre_install'):340        move_script(341            abspath(info['pre_install']),342            abspath(join(pkgs_dir, 'user_pre_install')),343            info,344            ensure_shebang=True,345        )346    if info.get('post_install'):347        move_script(348            abspath(info['post_install']),349            abspath(join(pkgs_dir, 'user_post_install')),350            info,351            ensure_shebang=True,352        )353    all_dists = info["_dists"].copy()354    for env_info in info.get("_extra_envs_info", {}).values():355        all_dists += env_info["_dists"]356    all_dists = list({dist: None for dist in all_dists})  # de-duplicate357    for dist in all_dists:358        os.link(join(CACHE_DIR, dist), join(pkgs_dir, dist))359    shutil.copyfile(info['_conda_exe'], join(prefix, "conda.exe"))360    # Sign conda-standalone so it can pass notarization361    notarization_identity_name = info.get('notarization_identity_name')362    if notarization_identity_name:363        with NamedTemporaryFile(suffix=".plist", delete=False) as f:364            plist = {365                "com.apple.security.cs.allow-jit": True,366                "com.apple.security.cs.allow-unsigned-executable-memory": True,367                "com.apple.security.cs.disable-executable-page-protection": True,368                "com.apple.security.cs.disable-library-validation": True,369                "com.apple.security.cs.allow-dyld-environment-variables": True,370            }371            plist_dump(plist, f)372        check_call(373            [374                # hardcode to system location to avoid accidental clobber in PATH375                "/usr/bin/codesign",376                "--verbose",377                '--sign', notarization_identity_name,378                "--prefix", info.get("reverse_domain_identifier", info['name']),379                "--options", "runtime",380                "--force",381                "--entitlements", f.name,382                join(prefix, "conda.exe"),383            ]384        )385        os.unlink(f.name)386    # This script checks to see if the install location already exists and/or contains spaces387    # Not to be confused with the user-provided pre_install!388    move_script(join(OSX_DIR, 'checks_before_install.sh'), join(SCRIPTS_DIR, 'preinstall'), info)389    # This script populates the cache, mainly390    move_script(join(OSX_DIR, 'prepare_installation.sh'), join(SCRIPTS_DIR, 'postinstall'), info)391    pkgbuild_prepare_installation(info)392    names = ['prepare_installation']393    # 2. (Optional) Run user-provided pre-install script394    # The preinstall script is run _after_ the tarballs have been extracted!395    if info.get('pre_install'):396        pkgbuild_script(397            'user_pre_install', info, 'run_user_script.sh', user_script_type='pre_install'398        )399        names.append('user_pre_install')400    # 3. Run the installation401    # This script-only package will run conda to link and install the packages402    pkgbuild_script('run_installation', info, 'run_installation.sh')403    names.append('run_installation')404    # 4. The user-supplied post-install script405    if info.get('post_install'):...

command.py

Source:command.py

...106    def restore_partitions(self):107        """108        Override this to restore the backup performed earlier.109        """110    def prepare_installation(self):111        # TODO: migrate to here the miscellaneous steps in112        # do_first_install up to running the actions113        # tune2fs wants /etc/mtaFirst install a in order to run:114        # creating it if it is missing115        self.hardware.create_mtab()116        # In case booting detected a swap partition and enabled it,117        # disable all swap now so hard disks are not used anymore118        self.hardware.disable_swap()119        # Umount all partitions from the target drives120        self.system.umount_partitions_target_drives()121    def add_additional_environment(self) -> Dict[str, str]:122        """123        Override this method to add extra environment variables when running124        actions125        """126        return {}127    def run_actions(self):128        # TODO: as a first step, write a script that loads common.sh and129        # runs all actions and run it with subprocess130        env = os.environ.copy()131        env["DISK_ROOT"] = self.system.disk_root.name132        env["DISK_INST"] = self.system.disk_inst.name133        if self.system.LABELS["root"] in self.system.partitions:134            env["PART_ROOT"] = self.system.partitions[135                self.system.LABELS["root"]].dev136        if self.system.LABELS["log"] in self.system.partitions:137            env["PART_LOG"] = self.system.partitions[138                self.system.LABELS["log"]].dev139        if self.system.LABELS["esp"] in self.system.partitions:140            env["PART_ESP"] = self.system.partitions[141                self.system.LABELS["esp"]].dev142        env["ACTIONS"] = "{}".format(" ".join(self.action_list))143        env.update(self.add_additional_environment())144        for action in self.action_list:145            try:146                self.actions.run_action(action)147            except exceptions.ActionNotImplementedError:148                subprocess.run([149                    '/usr/sbin/modian-run-action',150                    action151                ], env=env, check=True)152    def main(self):153        self.setup()154        self.system.detect()155        self.log_detection_report()156        self.action_list = self.system.compute_actions()157        self.backup_partitions()158        self.prepare_installation()159        self.run_actions()...

installClam.py

Source:installClam.py

...28def install_clam(args):29  app.print_verbose("Install antivirus (clamav and freshclam).")30  version_obj = version.Version("InstallClamAntiVirus", SCRIPT_VERSION)31  version_obj.check_executed()32  prepare_installation()33  download_and_install()34  setup_clam_and_freshclam()35  setup_crontab()36  setup_autostart_and_start()37  version_obj.mark_executed()38def is_user_installed(username):39  '''40  Check if linux user is installed.41  '''42  for line in open("/etc/passwd"):43    if username in line:44      return True45  return False46def prepare_installation():47  #48  app.print_verbose("  Create user")49  if not is_user_installed("clamav"):50    x("/usr/sbin/adduser clamav --shell=/dev/null")51  #52  app.print_verbose("Make the Pid and Socket directory")53  x("mkdir -p /var/run/clamav")54  x("chown clamav:clamav /var/run/clamav")55  x("chmod 700 /var/run/clamav")56  #57  app.print_verbose("  Create log diretories")58  x("mkdir -p /var/log/clamav")59  x("touch /var/log/clamav/freshclam.log")60  x("touch /var/log/clamav/clamd.log")...

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