133 lines
4.0 KiB
Python
133 lines
4.0 KiB
Python
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 = path.relative_to(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(
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"StackGroup {}: {}".format(self.rel_path, pprint.pformat(self.config))
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)
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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 self.path.is_dir():
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return None
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# First read config.yaml if present
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_config = read_config_file(
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self.path.joinpath("config.yaml"), parent_config.get("variables", {})
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)
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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 = self.path.stem
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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 self.path.glob("*.yaml") if not s.name == "config.yaml"]
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for stack_path in stacks:
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stackname = stack_path.name.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(
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name=stackname,
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template=template,
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path=stack_path,
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rel_path=str(self.rel_path),
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ctx=self.ctx,
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)
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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 [s for s in self.path.iterdir() if s.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 name:
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if match_by == "name" and s.stackname != name:
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continue
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if match_by == "path" and not s.path.match(name):
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continue
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if self.rel_path:
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logger.debug(
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"Found stack {} in group {}".format(s.stackname, self.rel_path)
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)
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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 (
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not name
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or (self.name == name and match_by == "name")
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or (self.path.match(name) and match_by == "path")
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):
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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 self.name != "config":
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logger.debug(
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"Looking for stack_group {} in group {}".format(name, self.name)
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)
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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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