Revision bda47e03 snf-cyclades-app/synnefo/logic/management/commands/stats-cyclades.py
b/snf-cyclades-app/synnefo/logic/management/commands/stats-cyclades.py | ||
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# or implied, of GRNET S.A. |
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import itertools |
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import operator |
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import datetime |
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import json |
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import string |
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from optparse import make_option |
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from collections import defaultdict # , OrderedDict |
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from django.conf import settings |
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from django.db.models import Count |
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from snf_django.management.utils import pprint_table, parse_bool |
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from synnefo.db.models import Backend |
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from snf_django.management.commands import SynnefoCommand, CommandError |
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from snf_django.lib.astakos import UserCache |
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from synnefo.api.util import get_image |
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from synnefo.db.models import VirtualMachine, Network |
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from synnefo.logic import backend as backend_mod |
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from synnefo.management.common import get_backend |
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from synnefo.admin import stats as statistics |
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class Command(SynnefoCommand): |
... | ... | |
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networks = parse_bool(options["networks"]) |
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images = parse_bool(options["images"]) |
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stats = get_cyclades_stats(backend, clusters, servers, resources,
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networks, images) |
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stats = statistics.get_cyclades_stats(backend, clusters, servers,
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resources, networks, images)
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output_format = options["output_format"] |
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if output_format == "json": |
... | ... | |
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output_format) |
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def get_cyclades_stats(backend=None, clusters=True, servers=True, |
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resources=True, networks=True, images=True): |
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stats = {"datetime": datetime.datetime.now().strftime("%c")} |
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if clusters: |
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stats["clusters"] = get_cluster_stats(backend=backend) |
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if servers: |
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stats["servers"] = get_servers_stats(backend=backend) |
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if resources: |
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stats["resources"] = get_resources_stats(backend=backend) |
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if networks: |
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stats["networks"] = get_networks_stats() |
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if images: |
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stats["images"] = get_images_stats(backend=None) |
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return stats |
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def columns_from_fields(fields, values): |
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return zip(map(string.lower, fields), [values.get(f, 0) for f in fields]) |
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|
... | ... | |
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def pretty_print_stats(stats, stdout): |
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newline = lambda: stdout.write("\n") |
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datetime = stats.get("datetime") |
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stdout.write("datetime: %s\n" % datetime) |
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_datetime = stats.get("datetime")
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stdout.write("datetime: %s\n" % _datetime)
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newline() |
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clusters = stats.get("clusters") |
... | ... | |
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pprint_table(stdout, sorted(images.items()), None, |
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title="Statistics for Images") |
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newline() |
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def get_cluster_stats(backend): |
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total = Backend.objects.all() |
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stats = {"total": total.count(), |
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"drained": total.filter(drained=True).count(), |
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"offline": total.filter(offline=True).count()} |
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return stats |
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def _get_total_servers(backend=None): |
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total_servers = VirtualMachine.objects.all() |
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if backend is not None: |
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total_servers = total_servers.filter(backend=backend) |
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return total_servers |
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def get_servers_stats(backend=None): |
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total_servers = _get_total_servers(backend=backend) |
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per_state = total_servers.values("operstate")\ |
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.annotate(count=Count("operstate")) |
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stats = {"total": 0} |
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for x in per_state: |
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stats[x["operstate"]] = x["count"] |
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stats["total"] += x["count"] |
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return stats |
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def get_resources_stats(backend=None): |
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total_servers = _get_total_servers(backend=backend) |
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active_servers = total_servers.filter(deleted=False) |
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allocated = {} |
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server_count = {} |
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for res in ["cpu", "ram", "disk", "disk_template"]: |
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server_count[res] = {} |
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allocated[res] = 0 |
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val = "flavor__%s" % res |
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results = active_servers.values(val).annotate(count=Count(val)) |
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for result in results: |
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server_count[res][result[val]] = result["count"] |
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if res != "disk_template": |
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allocated[res] += result["count"] |
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resources_stats = get_backend_stats(backend=backend) |
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for res in ["cpu", "ram", "disk", "disk_template"]: |
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if res not in resources_stats: |
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resources_stats[res] = {} |
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resources_stats[res]["servers"] = server_count[res] |
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resources_stats[res]["allocated"] = allocated[res] |
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return resources_stats |
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def get_images_stats(backend=None): |
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total_servers = _get_total_servers(backend=backend) |
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active_servers = total_servers.filter(deleted=False) |
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active_servers_images = active_servers.values("imageid", "userid")\ |
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.annotate(number=Count("imageid")) |
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image_cache = ImageCache() |
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image_stats = defaultdict(int) |
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for result in active_servers_images: |
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imageid = image_cache.get_image(result["imageid"], result["userid"]) |
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image_stats[imageid] += result["number"] |
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return dict(image_stats) |
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def get_networks_stats(): |
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total_networks = Network.objects.all() |
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stats = {"public_ips": get_ip_stats(), |
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"total": 0} |
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per_state = total_networks.values("state")\ |
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.annotate(count=Count("state")) |
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for x in per_state: |
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stats[x["state"]] = x["count"] |
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stats["total"] += x["count"] |
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return stats |
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def group_by_resource(objects, resource): |
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stats = {} |
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key = operator.attrgetter("flavor."+resource) |
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grouped = itertools.groupby(sorted(objects, key=key), key) |
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for val, group in grouped: |
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stats[val] = len(list(group)) |
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return stats |
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def get_ip_stats(): |
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total, free = 0, 0, |
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for network in Network.objects.filter(public=True, deleted=False): |
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try: |
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net_total, net_free = network.ip_count() |
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except AttributeError: |
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# TODO: Check that this works.. |
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pool = network.get_pool(locked=False) |
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net_total = pool.pool_size |
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net_free = pool.count_available() |
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if not network.drained: |
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total += net_total |
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free += net_free |
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return {"total": total, |
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"free": free} |
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def get_backend_stats(backend=None): |
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if backend is None: |
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backends = Backend.objects.filter(offline=False) |
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else: |
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if backend.offline: |
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return {} |
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backends = [backend] |
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[backend_mod.update_backend_resources(b) for b in backends] |
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resources = {} |
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for attr in ("dfree", "dtotal", "mfree", "mtotal", "ctotal"): |
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resources[attr] = 0 |
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for b in backends: |
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resources[attr] += getattr(b, attr) |
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return {"disk": {"free": resources["dfree"], "total": resources["dtotal"]}, |
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"ram": {"free": resources["mfree"], "total": resources["mtotal"]}, |
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"cpu": {"free": resources["ctotal"], "total": resources["ctotal"]}, |
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"disk_template": {"free": 0, "total": 0}} |
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class ImageCache(object): |
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def __init__(self): |
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self.images = {} |
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usercache = UserCache(settings.ASTAKOS_BASE_URL, |
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settings.CYCLADES_SERVICE_TOKEN) |
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self.system_user_uuid = \ |
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usercache.get_uuid(settings.SYSTEM_IMAGES_OWNER) |
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def get_image(self, imageid, userid): |
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if not imageid in self.images: |
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try: |
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image = get_image(imageid, userid) |
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owner = image["owner"] |
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owner = "system" if image["owner"] == self.system_user_uuid\ |
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else "user" |
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self.images[imageid] = owner + ":" + image["name"] |
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except Exception: |
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self.images[imageid] = "unknown:unknown" |
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return self.images[imageid] |
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