# vi: ts=4 expandtab # # Copyright (C) 2009-2010 Canonical Ltd. # Copyright (C) 2012 Hewlett-Packard Development Company, L.P. # # Author: Scott Moser # Author: Juerg Haefliger # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License version 3, as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . import glob import os from cloudinit import templater from cloudinit import util distros = ['ubuntu', 'debian'] def handle(_name, cfg, cloud, log, _args): update = util.get_cfg_option_bool(cfg, 'apt_update', False) upgrade = util.get_cfg_option_bool(cfg, 'apt_upgrade', False) release = get_release() mirror = find_apt_mirror(cloud, cfg) log.debug("Selected mirror at: %s" % mirror) if not util.get_cfg_option_bool(cfg, 'apt_preserve_sources_list', False): generate_sources_list(release, mirror, cloud, log) old_mir = util.get_cfg_option_str(cfg, 'apt_old_mirror', "archive.ubuntu.com/ubuntu") rename_apt_lists(old_mir, mirror) # set up proxy proxy = cfg.get("apt_proxy", None) proxy_filename = "/etc/apt/apt.conf.d/95cloud-init-proxy" if proxy: try: contents = "Acquire::HTTP::Proxy \"%s\";\n" util.write_file(proxy_filename, contents % (proxy)) except Exception as e: util.logexc(log, "Failed to write proxy to %s", proxy_filename) elif os.path.isfile(proxy_filename): util.del_file(proxy_filename) # process 'apt_sources' if 'apt_sources' in cfg: errors = add_sources(cfg['apt_sources'], {'MIRROR': mirror, 'RELEASE': release}) for e in errors: log.warn("Source Error: %s", ':'.join(e)) dconf_sel = util.get_cfg_option_str(cfg, 'debconf_selections', False) if dconf_sel: log.debug("setting debconf selections per cloud config") try: util.subp(('debconf-set-selections', '-'), dconf_sel) except: util.logexc(log, "Failed to run debconf-set-selections") pkglist = util.get_cfg_option_list(cfg, 'packages', []) errors = [] if update or len(pkglist) or upgrade: try: cloud.distro.update_package_sources() except Exception as e: util.logexc(log, "Package update failed") errors.append(e) if upgrade: try: cloud.distro.package_command("upgrade") except Exception as e: util.logexc(log, "Package upgrade failed") errors.append(e) if len(pkglist): try: cloud.distro.install_packages(pkglist) except Exception as e: util.logexc(log, "Failed to install packages: %s ", pkglist) errors.append(e) if len(errors): log.warn("%s failed with exceptions, re-raising the last one", len(errors)) raise errors[-1] def mirror2lists_fileprefix(mirror): string = mirror # take of http:// or ftp:// if string.endswith("/"): string = string[0:-1] pos = string.find("://") if pos >= 0: string = string[pos + 3:] string = string.replace("/", "_") return string def rename_apt_lists(omirror, new_mirror, lists_d="/var/lib/apt/lists"): oprefix = "%s/%s" % (lists_d, mirror2lists_fileprefix(omirror)) nprefix = "%s/%s" % (lists_d, mirror2lists_fileprefix(new_mirror)) if oprefix == nprefix: return olen = len(oprefix) for filename in glob.glob("%s_*" % oprefix): util.rename(filename, "%s%s" % (nprefix, filename[olen:])) def get_release(): (stdout, _stderr) = util.subp(['lsb_release', '-cs']) return stdout.strip() def generate_sources_list(codename, mirror, cloud, log): template_fn = cloud.get_template_filename('sources.list') if template_fn: params = {'mirror': mirror, 'codename': codename} templater.render_to_file(template_fn, '/etc/apt/sources.list', params) else: log.warn("No template found, not rendering /etc/apt/sources.list") def add_sources(srclist, template_params=None): """ add entries in /etc/apt/sources.list.d for each abbreviated sources.list entry in 'srclist'. When rendering template, also include the values in dictionary searchList """ if template_params is None: template_params = {} errorlist = [] for ent in srclist: if 'source' not in ent: errorlist.append(["", "missing source"]) continue source = ent['source'] if source.startswith("ppa:"): try: util.subp(["add-apt-repository", source]) except: errorlist.append([source, "add-apt-repository failed"]) continue source = templater.render_string(source, template_params) if 'filename' not in ent: ent['filename'] = 'cloud_config_sources.list' if not ent['filename'].startswith("/"): ent['filename'] = os.path.join("/etc/apt/sources.list.d/", ent['filename']) if ('keyid' in ent and 'key' not in ent): ks = "keyserver.ubuntu.com" if 'keyserver' in ent: ks = ent['keyserver'] try: ent['key'] = util.getkeybyid(ent['keyid'], ks) except: errorlist.append([source, "failed to get key from %s" % ks]) continue if 'key' in ent: try: util.subp(('apt-key', 'add', '-'), ent['key']) except: errorlist.append([source, "failed add key"]) try: util.write_file(ent['filename'], source + "\n", omode="ab") except: errorlist.append([source, "failed write to file %s" % ent['filename']]) return errorlist def find_apt_mirror(cloud, cfg): """ find an apt_mirror given the cloud and cfg provided """ mirror = None cfg_mirror = cfg.get("apt_mirror", None) if cfg_mirror: mirror = cfg["apt_mirror"] elif "apt_mirror_search" in cfg: mirror = util.search_for_mirror(cfg['apt_mirror_search']) else: mirror = cloud.get_local_mirror() mydom = "" doms = [] if not mirror: # if we have a fqdn, then search its domain portion first (_hostname, fqdn) = util.get_hostname_fqdn(cfg, cloud) mydom = ".".join(fqdn.split(".")[1:]) if mydom: doms.append(".%s" % mydom) if not mirror: doms.extend((".localdomain", "",)) mirror_list = [] distro = cloud.distro.name mirrorfmt = "http://%s-mirror%s/%s" % (distro, "%s", distro) for post in doms: mirror_list.append(mirrorfmt % (post)) mirror = util.search_for_mirror(mirror_list) if not mirror: mirror = cloud.distro.get_package_mirror() return mirror