Esempio n. 1
0
def get_ver():
    # Todo: There has to be a better library/method of doing this junk.
    from ksconf.vc.git import git_cmd
    ver_file = os.path.join("ksconf", "_version.py")
    #git_sha1 = git_cmd(["rev-parse", "HEAD"]).stdout[:12]
    vc_info = git_cmd([
        "show", "-s", "--abbrev=8", "--format=Git SHA1 %h committed on %cd",
        "--date=format:%Y-%m-%d", "HEAD"
    ]).stdout.strip()
    gitout = git_cmd(["describe", "--tags", "--always", "--dirty"])
    version = gitout.stdout.strip()
    version = version.lstrip("v")  # Tags format is v0.0.0
    # replace hash with local version format
    ### XXX:  Wow. this needs unittests.  smh
    version = re.sub(r'-(\d+)-g([a-f0-9]+)((?:-dirty)?)', r'.dev\1+\2\3',
                     version)
    version = re.sub(r'(\d+\.\d+)-dirty$', r'\1.dev0+dirty', version)
    version = version.replace("-dirty", ".dirty")
    print("Version:  {}".format(version))
    code_block = dedent("""\
        # Version file autogenerated by the build process
        version = {0!r}
        build = {1!r}
        vcs_info = {2!r}

        if __name__ == '__main__':
            print('KSCONF_VERSION="{0}"\\nKSCONF_BUILD="{1}"\\nKSCONF_VCS_INFO="{2}"')
        """).format(version, os.environ.get("TRAVIS_BUILD_NUMBER", None),
                    vc_info)
    open(ver_file, "w").write(code_block)
    return version
Esempio n. 2
0
 def git(self, *args):
     o = git_cmd(args, cwd=self._path)
     if o.returncode != 0:  # pragma: no cover
         # Because, if we're using ksconf_cli, then we may be redirecting these...
         stderr = sys.__stderr__
         stderr.write("Git command 'git {0}' failed with exit code {1}\n{2}\n"
                      .format(" ".join(args), o.returncode, o.stderr))
         raise RuntimeError("Failed git command (return code {0})".format(o.returncode))
Esempio n. 3
0
    def run(self, args):
        """ Install / upgrade a Splunk app from an archive file """
        # Handle ignored files by preserving them as much as possible.
        # Add --dry-run mode?  j/k - that's what git is for!

        if not os.path.isfile(args.tarball):
            self.stderr.write("No such file or directory {}\n".format(args.tarball))
            return EXIT_CODE_FAILED_SAFETY_CHECK

        if not os.path.isdir(args.dest):
            self.stderr.write("Destination directory does not exist: {}\n".format(args.dest))
            return EXIT_CODE_FAILED_SAFETY_CHECK

        f_hash = file_hash(args.tarball)
        self.stdout.write("Inspecting archive:               {}\n".format(args.tarball))

        new_app_name = args.app_name
        # ARCHIVE PRE-CHECKS:  Archive must contain only one app, no weird paths, ...
        app_name = set()
        app_conf = {}
        files = 0
        local_files = set()
        a = extract_archive(args.tarball, extract_filter=gaf_filter_name_like("app.conf"))
        for gaf in sanity_checker(a):
            gaf_app, gaf_relpath = gaf.path.split("/", 1)
            files += 1
            if gaf.path.endswith("app.conf") and gaf.payload:
                conffile = StringIO(gaf.payload.decode(default_encoding))
                conffile.name = os.path.join(args.tarball, gaf.path)
                app_conf = parse_conf(conffile, profile=PARSECONF_LOOSE)
                del conffile
            elif gaf_relpath.startswith("local") or gaf_relpath.endswith("local.meta"):
                local_files.add(gaf_relpath)
            app_name.add(gaf.path.split("/", 1)[0])
            del gaf_app, gaf_relpath
        if len(app_name) > 1:
            self.stderr.write("The 'unarchive' command only supports extracting a single splunk"
                              " app at a time.\nHowever the archive {} contains {} apps:  {}\n"
                              "".format(args.tarball, len(app_name), ", ".join(app_name)))
            return EXIT_CODE_FAILED_SAFETY_CHECK
        else:
            app_name = app_name.pop()
        del a
        if local_files:
            self.stderr.write("Local {} files found in the archive.  ".format(len(local_files)))
            if args.allow_local:
                self.stderr.write("Keeping these due to the '--allow-local' flag\n")
            else:
                self.stderr.write("Excluding local files by default.  "
                                  "Use '--allow-local' to override.")

        if not new_app_name and True:  # if not --no-app-name-fixes
            if app_name.endswith("-master"):
                self.stdout.write("Automatically dropping '-master' from the app name.  "
                                  "This is often the result of a github export.\n")
                # Trick, but it works...
                new_app_name = app_name[:-7]
            mo = re.search(r"(.*)-\d+\.[\d.-]+$", app_name)
            if mo:
                self.stdout.write("Automatically removing the version suffix from the app name.  "
                                  "'{}' will be extracted as '{}'\n".format(app_name, mo.group(1)))
                new_app_name = mo.group(1)

        app_basename = new_app_name or app_name
        dest_app = os.path.join(args.dest, app_basename)
        self.stdout.write("Inspecting destination folder:    {}\n".format(os.path.abspath(dest_app)))

        # FEEDBACK TO THE USER:   UPGRADE VS INSTALL, GIT?, APP RENAME, ...
        app_name_msg = app_name
        vc_msg = "without version control support"

        old_app_conf = {}
        if os.path.isdir(dest_app):
            mode = "upgrade"
            is_git = git_is_working_tree(dest_app)
            try:
                # Ignoring the 'local' entries since distributed apps shouldn't contain local
                old_app_conf_file = os.path.join(dest_app, args.default_dir or "default", "app.conf")
                old_app_conf = parse_conf(old_app_conf_file, profile=PARSECONF_LOOSE)
            except ConfParserException:
                self.stderr.write("Unable to read app.conf from existing install.\n")
        else:
            mode = "install"
            is_git = git_is_working_tree(args.dest)
        if is_git:
            vc_msg = "with git support"
        if new_app_name and new_app_name != app_name:
            app_name_msg = "{} (renamed from {})".format(new_app_name, app_name)

        def show_pkg_info(conf, label):
            self.stdout.write("{} packaging info:    '{}' by {} (version {})\n".format(
                label,
                conf.get("ui", {}).get("label", "Unknown"),
                conf.get("launcher", {}).get("author", "Unknown"),
                conf.get("launcher", {}).get("version", "Unknown")))

        if old_app_conf:
            show_pkg_info(old_app_conf, " Installed app")
        if app_conf:
            show_pkg_info(app_conf, "   Tarball app")

        self.stdout.write("About to {} the {} app {}.\n".format(mode, app_name_msg, vc_msg))

        existing_files = set()
        if mode == "upgrade":
            if is_git:
                existing_files.update(git_ls_files(dest_app))
                if not existing_files:
                    self.stderr.write("App is in a git repository but no files have been staged "
                                      "or committed.  Either commit or remove '{}' and try again."
                                      "\n".format(dest_app))
                    return EXIT_CODE_FAILED_SAFETY_CHECK
                if args.git_sanity_check == "off":
                    self.stdout.write("The 'git status' safety checks have been disabled via CLI"
                                      "argument.  Skipping.\n")
                else:
                    d = {
                        #        untracked, ignored
                        "changed": (False, False),
                        "untracked": (True, False),
                        "ignored": (True, True)
                    }
                    is_clean = git_is_clean(dest_app, *d[args.git_sanity_check])
                    del d
                    if is_clean:
                        self.stdout.write("Git folder is clean.  "
                                          "Okay to proceed with the upgrade.\n")
                    else:
                        self.stderr.write("Unable to move forward without a clean working tree.\n"
                                          "Clean up and try again.  "
                                          "Modifications are listed below.\n\n")
                        self.stderr.flush()
                        if args.git_sanity_check == "changed":
                            git_status_ui(dest_app, "--untracked-files=no")
                        elif args.git_sanity_check == "ignored":
                            git_status_ui(dest_app, "--ignored")
                        else:
                            git_status_ui(dest_app)
                        return EXIT_CODE_FAILED_SAFETY_CHECK
            else:
                for (root, dirs, filenames) in os.walk(dest_app):
                    for fn in filenames:
                        existing_files.add(os.path.join(root, fn))
            self.stdout.write("Before upgrade.  App has {} files\n".format(len(existing_files)))
        elif is_git:
            self.stdout.write("Git clean check skipped.  Not needed for a fresh app install.\n")

        def fixup_pattern_bw(patterns, prefix=None):
            modified = []
            for pattern in patterns:
                if pattern.startswith("./"):
                    if prefix:
                        pattern = "{0}/{1}".format(prefix, pattern[2:])
                    else:
                        pattern = pattern[2:]
                    modified.append(pattern)
                # If a pattern like 'tags.conf' or '*.bak' is provided, ues basename match (any dir)
                elif "/" not in pattern:
                    modified.append("(^|.../)" + pattern)
                else:
                    modified.append(pattern)
            return modified

        # PREP ARCHIVE EXTRACTION
        installed_files = set()
        excludes = list(args.exclude)
        '''
        for pattern in args.exclude:
            # If a pattern like 'default.meta' or '*.bak' is provided, assume it's a basename match.
            if "/" not in pattern:
                excludes.append(".../" + pattern)
            else:
                excludes.append(pattern)
        '''
        if not args.allow_local:
            for pattern in local_files:
                excludes.append("./" + pattern)
        excludes = fixup_pattern_bw(excludes, app_basename)
        self.stderr.write("Extraction exclude patterns:  {!r}\n".format(excludes))
        path_rewrites = []
        files_iter = extract_archive(args.tarball)
        if True:
            files_iter = sanity_checker(files_iter)
        if args.default_dir:
            rep = "/{}/".format(args.default_dir.strip("/"))
            path_rewrites.append(("/default/", rep))
            del rep
        if new_app_name:
            # We do have the "app_name" extracted from our first pass above, but
            regex = re.compile(r'^([^/]+)(?=/)')
            path_rewrites.append((regex, new_app_name))
        if path_rewrites:
            files_iter = gen_arch_file_remapper(files_iter, path_rewrites)

        self.stdout.write("Extracting app now...\n")
        for gaf in files_iter:
            if match_bwlist(gaf.path, excludes, escape=False):
                self.stdout.write("Skipping [blacklist] {}\n".format(gaf.path))
                continue
            if not is_git or args.git_mode in ("nochange", "stage"):
                self.stdout.write("{0:60s} {2:o} {1:-6d}\n".format(gaf.path, gaf.size, gaf.mode))
            installed_files.add(gaf.path.split("/", 1)[1])
            full_path = os.path.join(args.dest, gaf.path)
            dir_exists(os.path.dirname(full_path))
            with open(full_path, "wb") as fp:
                fp.write(gaf.payload)
            os.chmod(full_path, gaf.mode)
            del fp, full_path

        files_new, files_upd, files_del = _cmp_sets(installed_files, existing_files)
        '''
        print "New: \n\t{}".format("\n\t".join(sorted(files_new)))
        print "Existing: \n\t{}".format("\n\t".join(sorted(files_upd)))
        print "Removed:  \n\t{}".format("\n\t".join(sorted(files_del)))
        '''

        self.stdout.write("Extracted {} files:  {} new, {} existing, and {} removed\n".format(
            len(installed_files), len(files_new), len(files_upd), len(files_del)))

        # Filer out "removed" files; and let us keep some based on a keep-whitelist:  This should
        # include things like local, ".gitignore", ".gitattributes" and so on

        keep_list = [".git*"]
        keep_list.extend(args.keep)
        if not args.allow_local:
            keep_list += ["local/...", "local.meta"]
        keep_list = fixup_pattern_bw(keep_list)
        self.stderr.write("Keep file patterns:  {!r}\n".format(keep_list))

        files_to_delete = []
        files_to_keep = []
        for fn in files_del:
            if match_bwlist(fn, keep_list, escape=False):
                # How to handle a keep of "default.d/..." when we DO want to cleanup the default
                # redirect folder of "default.d/10-upstream"?
                # This may be an academic question since most apps will continue to send
                # an ever increasing list of default files (to mask out old/unused ones)
                self.stdout.write("Keeping {}\n".format(fn))
                files_to_keep.append(fn)
            else:
                files_to_delete.append(fn)
        if files_to_keep:
            self.stdout.write("Keeping {} of {} files marked for deletion due to whitelist.\n"
                              .format(len(files_to_keep), len(files_del)))
        git_rm_queue = []

        if files_to_delete:
            self.stdout.write("Removing files not present in the upgraded version of the app.\n")
        for fn in files_to_delete:
            path = os.path.join(dest_app, fn)
            if is_git and args.git_mode in ("stage", "commit"):
                self.stdout.write("git rm -f {}\n".format(path))
                git_rm_queue.append(fn)
            else:
                self.stdout.write("rm -f {}\n".format(path))
                os.unlink(path)

        if git_rm_queue:
            # Run 'git rm file1 file2 file3 ..." (using an xargs like mechanism)
            git_cmd_iterable(["rm"], git_rm_queue, cwd=dest_app)
        del git_rm_queue

        if is_git:
            if args.git_mode in ("stage", "commit"):
                git_cmd(["add", os.path.basename(dest_app)], cwd=os.path.dirname(dest_app))
                # self.stdout.write("git add {}\n".format(os.path.basename(dest_app)))
            '''
            else:
                self.stdout.write("git add {}\n".format(dest_app))
            '''

            # Is there anything to stage/commit?
            if git_is_clean(os.path.dirname(dest_app), check_untracked=False):
                self.stderr.write("No changes detected.  Nothing to {}\n".format(args.git_mode))
                return

            git_commit_app_name = app_conf.get("ui", {}).get("label", os.path.basename(dest_app))
            git_commit_new_version = app_conf.get("launcher", {}).get("version", None)
            if mode == "install":
                git_commit_message = "Install {}".format(git_commit_app_name)

                if git_commit_new_version:
                    git_commit_message += " version {}".format(git_commit_new_version)
            else:
                # Todo:  Specify Upgrade/Downgrade/Refresh
                git_commit_message = "Upgrade {}".format(
                    git_commit_app_name)
                git_commit_old_version = old_app_conf.get("launcher", {}).get("version", None)
                if git_commit_old_version and git_commit_new_version:
                    git_commit_message += " version {} (was {})".format(git_commit_new_version,
                                                                        git_commit_old_version)
                elif git_commit_new_version:
                    git_commit_message += " to version {}".format(git_commit_new_version)
            # Could possibly include some CLI arg details, like what file patterns were excluded
            git_commit_message += "\n\nSHA256 {} {}\n\nSplunk-App-managed-by: ksconf" \
                .format(f_hash, os.path.basename(args.tarball))
            git_commit_cmd = ["commit", os.path.basename(dest_app), "-m", git_commit_message]

            if not args.no_edit:
                git_commit_cmd.append("--edit")

            git_commit_cmd.extend(args.git_commit_args)

            if args.git_mode == "commit":
                capture_std = True if args.no_edit else False
                proc = git_cmd(git_commit_cmd, cwd=os.path.dirname(dest_app),
                               capture_std=capture_std)
                if proc.returncode == 0:
                    self.stderr.write(dedent("""\
                    Your changes have been committed.  Please review before pushing.  If you
                    find any issues, here are some possible solutions:


                    To fix issues in the last commit, edit and add the files to be fixed, then run:

                        git commit --amend

                    To roll back the last commit but KEEP the app upgrade, run:

                        git reset --soft HEAD^1

                    To roll back the last commit and REVERT the app upgrade, run:

                        git reset --hard HEAD^1

                    NOTE:  Make sure you have *no* other uncommitted changes before running 'reset'.
                    """))
                else:
                    self.stderr.write("Git commit failed.  Return code {}.  Git args:  git {}\n"
                                      .format(proc.returncode, list2cmdline(git_commit_cmd)))
                    return EXIT_CODE_GIT_FAILURE
            elif args.git_mode == "stage":
                self.stdout.write("To commit later, use the following\n")
                self.stdout.write(
                    "\tgit {}\n".format(list2cmdline(git_commit_cmd).replace("\n", "\\n")))