diff options
Diffstat (limited to 'cloudinit/config/cc_snappy.py')
| -rw-r--r-- | cloudinit/config/cc_snappy.py | 52 |
1 files changed, 42 insertions, 10 deletions
diff --git a/cloudinit/config/cc_snappy.py b/cloudinit/config/cc_snappy.py index f237feef..f8f67e1f 100644 --- a/cloudinit/config/cc_snappy.py +++ b/cloudinit/config/cc_snappy.py @@ -7,7 +7,7 @@ Example config: snappy: system_snappy: auto ssh_enabled: False - packages: [etcd, pkg2] + packages: [etcd, pkg2.smoser] config: pkgname: key2: value2 @@ -18,11 +18,15 @@ Example config: - ssh_enabled: This defaults to 'False'. Set to a non-false value to enable ssh service - snap installation and config - The above would install 'etcd', and then install 'pkg2' with a + The above would install 'etcd', and then install 'pkg2.smoser' with a '--config=<file>' argument where 'file' as 'config-blob' inside it. If 'pkgname' is installed already, then 'snappy config pkgname <file>' will be called where 'file' has 'pkgname-config-blob' as its content. + Entries in 'config' can be namespaced or non-namespaced for a package. + In either case, the config provided to snappy command is non-namespaced. + The package name is provided as it appears. + If 'packages_dir' has files in it that end in '.snap', then they are installed. Given 3 files: <packages_dir>/foo.snap @@ -52,6 +56,7 @@ LOG = logging.getLogger(__name__) frequency = PER_INSTANCE SNAPPY_CMD = "snappy" +NAMESPACE_DELIM = '.' BUILTIN_CFG = { 'packages': [], @@ -81,10 +86,20 @@ def makeop(op, name, config=None, path=None, cfgfile=None): 'cfgfile': cfgfile}) +def get_package_config(configs, name): + # load the package's config from the configs dict. + # prefer full-name entry (config-example.canonical) + # over short name entry (config-example) + if name in configs: + return configs[name] + return configs.get(name.partition(NAMESPACE_DELIM)[0]) + + def get_package_ops(packages, configs, installed=None, fspath=None): # get the install an config operations that should be done if installed is None: installed = read_installed_packages() + short_installed = [p.partition(NAMESPACE_DELIM)[0] for p in installed] if not packages: packages = [] @@ -95,21 +110,31 @@ def get_package_ops(packages, configs, installed=None, fspath=None): ops += get_fs_package_ops(fspath) for name in packages: - ops.append(makeop('install', name, configs.get('name'))) + ops.append(makeop('install', name, get_package_config(configs, name))) to_install = [f['name'] for f in ops] + short_to_install = [f['name'].partition(NAMESPACE_DELIM)[0] for f in ops] for name in configs: - if name in installed and name not in to_install: - ops.append(makeop('config', name, config=configs[name])) + if name in to_install: + continue + shortname = name.partition(NAMESPACE_DELIM)[0] + if shortname in short_to_install: + continue + if name in installed or shortname in short_installed: + ops.append(makeop('config', name, + config=get_package_config(configs, name))) # prefer config entries to filepath entries for op in ops: + if op['op'] != 'install' or not op['cfgfile']: + continue name = op['name'] - if name in configs and op['op'] == 'install' and 'cfgfile' in op: - LOG.debug("preferring configs[%s] over '%s'", name, op['cfgfile']) + fromcfg = get_package_config(configs, op['name']) + if fromcfg: + LOG.debug("preferring configs[%(name)s] over '%(cfgfile)s'", op) op['cfgfile'] = None - op['config'] = configs[op['name']] + op['config'] = fromcfg return ops @@ -118,6 +143,7 @@ def render_snap_op(op, name, path=None, cfgfile=None, config=None): if op not in ('install', 'config'): raise ValueError("cannot render op '%s'" % op) + shortname = name.partition(NAMESPACE_DELIM)[0] try: cfg_tmpf = None if config is not None: @@ -126,7 +152,7 @@ def render_snap_op(op, name, path=None, cfgfile=None, config=None): # packagename: # config # Note, however, we do not touch config files on disk. - nested_cfg = {'config': {name: config}} + nested_cfg = {'config': {shortname: config}} (fd, cfg_tmpf) = tempfile.mkstemp() os.write(fd, util.yaml_dumps(nested_cfg).encode()) os.close(fd) @@ -151,7 +177,13 @@ def render_snap_op(op, name, path=None, cfgfile=None, config=None): def read_installed_packages(): - return [p[0] for p in read_pkg_data()] + ret = [] + for (name, date, version, dev) in read_pkg_data(): + if dev: + ret.append(NAMESPACE_DELIM.join(name, dev)) + else: + ret.append(name) + return ret def read_pkg_data(): |