111 lines
3.8 KiB
Python
111 lines
3.8 KiB
Python
import os
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import glob
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import logging
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import pprint
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from .utils import dict_merge
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from .jinja import read_config_file
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from .stack import Stack
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logger = logging.getLogger(__name__)
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class StackGroup(object):
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def __init__(self, path, ctx):
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self.name = None
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self.ctx = ctx
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self.path = path
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self.rel_path = os.path.relpath(path, ctx['config_path'])
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self.config = {}
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self.sgs = []
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self.stacks = []
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if self.rel_path == '.':
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self.rel_path = ''
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def dump_config(self):
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for sg in self.sgs:
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sg.dump_config()
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logger.debug("StackGroup {}: {}".format(self.rel_path, pprint.pformat(self.config)))
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for s in self.stacks:
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s.dump_config()
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def read_config(self, parent_config={}):
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if not os.path.isdir(self.path):
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return None
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# First read config.yaml if present
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_config = read_config_file(os.path.join(self.path, 'config.yaml'), parent_config.get('variables', {}))
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# Stack Group name if not explicit via config is derived from subfolder, or in case of root object the parent folder
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if "stackgroupname" in _config:
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self.name = _config["stackgroupname"]
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elif not self.name:
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self.name = os.path.split(self.path)[1]
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# Merge config with parent config
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self.config = dict_merge(parent_config, _config)
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stackname_prefix = self.config.get('stacknameprefix', '')
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logger.debug("StackGroup {} added.".format(self.name))
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# Add stacks
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stacks = [s for s in glob.glob(os.path.join(self.path, '*.yaml')) if not s.endswith("config.yaml")]
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for stack_path in stacks:
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stackname = os.path.basename(stack_path).split('.')[0]
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template = stackname
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if stackname_prefix:
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stackname = stackname_prefix + stackname
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new_stack = Stack(name=stackname, template=template, path=stack_path, rel_path=str(self.rel_path), ctx=self.ctx)
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new_stack.read_config(self.config)
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self.stacks.append(new_stack)
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# Create StackGroups recursively
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for sub_group in [f.path for f in os.scandir(self.path) if f.is_dir()]:
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sg = StackGroup(sub_group, self.ctx)
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sg.read_config(self.config)
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self.sgs.append(sg)
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def get_stacks(self, name=None, recursive=True, match_by='name'):
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""" Returns [stack] matching stack_name or [all] """
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stacks = []
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if name:
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logger.debug("Looking for stack {} in group {}".format(name, self.name))
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for s in self.stacks:
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if not name or (s.stackname == name and match_by == 'name') or (s.path.endswith(name) and match_by == 'path'):
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if self.rel_path:
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logger.debug("Found stack {} in group {}".format(s.stackname, self.rel_path))
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else:
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logger.debug("Found stack {}".format(s.stackname))
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stacks.append(s)
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if recursive:
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for sg in self.sgs:
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s = sg.get_stacks(name, recursive, match_by)
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if s:
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stacks = stacks + s
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return stacks
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def get_stackgroup(self, name=None, recursive=True, match_by='name'):
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""" Returns stack group matching stackgroup_name or all if None """
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if not name or (self.name == name and match_by == 'name') or (self.path.endswith(name) and match_by == 'path'):
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logger.debug("Found stack_group {}".format(self.name))
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return self
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if name and name != 'config':
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logger.debug("Looking for stack_group {} in group {}".format(name, self.name))
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if recursive:
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for sg in self.sgs:
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s = sg.get_stackgroup(name, recursive, match_by)
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if s:
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return s
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return None
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