#!/usr/bin/env python3
from pyVmomi import vim
import pyVim.connect
import atexit
import argparse
#import time
import json
import siteconf
 
site_conf = siteconf.read()


def get_args():
    parser = argparse.ArgumentParser(
        description='Set VM network')

    parser.add_argument('-s', '--site',
                        required=True,
                        action='store',
                        help='name of the site to connect to')
    parser.add_argument('--list-datastores',
                        required=False,
                        action='store_true',
                        help='list all accessable datastores')
    parser.add_argument('--list-config',
                        required=False,
                        action='store_true',
                        help='list relevant configuration')

    args = parser.parse_args()
    return args

def get_datastores(content):
    obj_view = content.viewManager.CreateContainerView(
        content.rootFolder, [vim.Datastore], True)
    ds_list = obj_view.view
    obj_view.Destroy()
    result = []
    for ds in ds_list:
        if not ds.summary.accessible:
            continue
        result.append(ds)
    return result

#def get_all_objs(content, vimtype):
#    obj = {}
#    container = content.viewManager.CreateContainerView(
#        content.rootFolder, vimtype, True)
#    for managed_object_ref in container.view:
#        obj.update({managed_object_ref: managed_object_ref.name})
#    return obj

#def list_datastores(content):
#    datastores = get_datastores(content)
#    for ds in datastores:
#        cap = ds.summary.capacity / 1024**4
#        free = ds.summary.freeSpace / 1024**4
#        ratio = free / cap
#        print(f"{ds.summary.name} {ratio:.0%} {free:.3f} TB / {cap:.3f} TB")


def main():
    args = get_args()

    if not args.site in site_conf:
        print(f"site not found: {args.site}")
        exit(1)

    host = site_conf[args.site]['vcenter']
    user = site_conf[args.site]['vcenter_user']
    passwd = site_conf[args.site]['vcenter_passwd']

    si = pyVim.connect.SmartConnect(
        host = host,
        user = user,
        pwd = passwd,
        disableSslCertValidation = True
        )
    atexit.register(pyVim.connect.Disconnect, si)
    content = si.RetrieveContent()
    if args.list_datastores:
        datastores = get_datastores(content)
        names = []
        for ds in datastores:
            names.append(ds.summary.name)
        names.sort()
        print(names)
    elif args.list_config:
        print({
            'vcenter_addr': site_conf[args.site]['vcenter'],
            'vcenter_user': site_conf[args.site]['vcenter_user']
            });
    else:
        print("No command given.")


if __name__ == "__main__":
    main()

# vim: set tabstop=4 shiftwidth=4 expandtab smarttab:

####!/usr/bin/env python3
###import argparse
###import siteconf
### 
###site_conf = siteconf.read()
###
###
###def get_args():
###    parser = argparse.ArgumentParser(
###        description='Set VM network')
###
###    parser.add_argument('-s', '--site',
###                        required=True,
###                        action='store',
###                        help='name of the site to connect to')
###
###    args = parser.parse_args()
###    return args
###
###
###
###def main():
###    args = get_args()
###
###    if not args.site in site_conf:
###        print(f"site not found: {args.site}")
###        exit(1)
###
###    vms = get_vms(content)
###    for vm in vms:
###        for d in vm.config.hardware.device:
###            if hasattr(d, 'macAddress'):
###                print(f'{d.macAddress} {vm.name}')
###
###
###
###
###if __name__ == "__main__":
###    main()
###
#### vim: set tabstop=4 shiftwidth=4 expandtab smarttab: