From bc7cba745cd10c4a23ad89d49e0c0e66d05086b9 Mon Sep 17 00:00:00 2001
From: alex <alex@pdp7.net>
Date: Wed, 1 Feb 2023 21:16:20 +0100
Subject: Initial add

---
 personal_infra/pseudo_resource_exporter.py | 69 ++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100755 personal_infra/pseudo_resource_exporter.py

(limited to 'personal_infra/pseudo_resource_exporter.py')

diff --git a/personal_infra/pseudo_resource_exporter.py b/personal_infra/pseudo_resource_exporter.py
new file mode 100755
index 00000000..0753a0d7
--- /dev/null
+++ b/personal_infra/pseudo_resource_exporter.py
@@ -0,0 +1,69 @@
+#!/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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