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#!/usr/bin/env python3
import json
import pathlib
def load_json(path):
with open(path) as f:
return json.load(f)
def save_json(r, path):
with open(path, "w") as f:
json.dump(r, f)
nagios_catalog_file = pathlib.Path("build/puppet/build/output/nagios.h1.int.pdp7.net/catalog.json")
if nagios_catalog_file.exists():
nagios_catalog = load_json(nagios_catalog_file)
nagios_contacts = [r for r in nagios_catalog["resources"] if r["type"] == "Nagios_contact"]
assert len(nagios_contacts) == 1, f"found multiple nagios contacts {nagios_contacts}"
nagios_contact = nagios_contacts[0]
total_hosts_in_inventory = len(list(pathlib.Path("host_vars").glob("*")))
catalog_files = list(pathlib.Path("build/puppet/build/output/").glob("*/catalog.json"))
if nagios_catalog_file.exists():
assert len(catalog_files) == total_hosts_in_inventory, f"catalogs {catalog_files} quantity different from total hosts in inventory {total_hosts_in_inventory}"
nagios_resources = []
nagios_edge_targets = []
def is_nagios_resource(r):
return r["type"].startswith("Nagios")
def is_nagios_edge(e):
return e["target"].startswith("Nagios")
for catalog_file in catalog_files:
if catalog_file == nagios_catalog_file:
continue
catalog = load_json(catalog_file)
nagios_resources += [r for r in catalog["resources"] if is_nagios_resource(r)]
catalog["resources"] = [r for r in catalog["resources"] if not is_nagios_resource(r)]
nagios_edge_targets += [e["target"] for e in catalog["edges"] if is_nagios_edge(e)]
catalog["edges"] = [e for e in catalog["edges"] if not is_nagios_edge(e)]
save_json(catalog, catalog_file)
if nagios_catalog_file.exists():
nagios_contact_position = nagios_catalog["resources"].index(nagios_contact)
def copy_parameters(r):
for p in ["require", "notify", "owner"]:
r["parameters"][p] = nagios_contact["parameters"][p]
return r
nagios_catalog["resources"] = (
nagios_catalog["resources"][0:nagios_contact_position] +
list(map(copy_parameters, nagios_resources)) +
nagios_catalog["resources"][nagios_contact_position:]
)
nagios_catalog["edges"] += [{"source": "Class[Nagios]", "target": t} for t in nagios_edge_targets]
save_json(nagios_catalog, nagios_catalog_file)
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