Initial commit of PVC Bootstrap system

Adds the PVC Bootstrap system, which allows the automated deployment of
one or more PVC clusters.

bootstrap-daemon/pvcbootstrapd/lib/ansible.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+
+# ansible.py - PVC Cluster Auto-bootstrap Ansible libraries
+# Part of the Parallel Virtual Cluster (PVC) system
+#
+#    Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, version 3.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+###############################################################################
+
+import pvcbootstrapd.lib.git as git
+
+import ansible_runner
+import tempfile
+
+from time import sleep
+from celery.utils.log import get_task_logger
+
+
+logger = get_task_logger(__name__)
+
+
+def run_bootstrap(config, cspec, cluster, nodes):
+    """
+    Run an Ansible bootstrap against a cluster
+    """
+    logger.debug(nodes)
+
+    # Construct our temporary INI inventory string
+    logger.info("Constructing virtual Ansible inventory")
+    base_yaml = cspec["clusters"][cluster.name]["base_yaml"]
+    local_domain = base_yaml.get("local_domain")
+    inventory = [f"""[{cluster.name}]"""]
+    for node in nodes:
+        inventory.append(
+            f"""{node.name}.{local_domain} ansible_host={node.host_ipaddr}"""
+        )
+    inventory = "\n".join(inventory)
+    logger.debug(inventory)
+
+    # Waiting 30 seconds to ensure everything is booted an stabilized
+    logger.info("Waiting 60s before starting Ansible bootstrap.")
+    sleep(60)
+
+    # Run the Ansible playbooks
+    with tempfile.TemporaryDirectory(prefix="pvc-ansible-bootstrap_") as pdir:
+        try:
+            r = ansible_runner.run(
+                private_data_dir=f"{pdir}",
+                inventory=inventory,
+                limit=f"{cluster.name}",
+                playbook=f"{config['ansible_path']}/pvc.yml",
+                extravars={
+                    "ansible_ssh_private_key_file": config["ansible_keyfile"],
+                    "bootstrap": "yes",
+                },
+                forks=len(nodes),
+                verbosity=2,
+            )
+            logger.info("Final status:")
+            logger.info("{}: {}".format(r.status, r.rc))
+            logger.info(r.stats)
+            if r.rc == 0:
+                git.commit_repository(config)
+                git.push_repository(config)
+        except Exception as e:
+            logger.warning(f"Error: {e}")