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ovh_management
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ovh_management/ovh_management.py

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  1. # -*- encoding: utf-8 -*-

  2. import PySimpleGUI as sg

  3. import ovh

  4. 

  5. client = ovh.Client()

  6. service = client.get('/cloud/project')[0]

  7. service_url = f'/cloud/project/{service}'

  8. 

  9. # regions = [f['region'] for f in flavors if f['name'] == 's1-2']

  10. regions = ['GRA7', 'SBG5', 'DE1', 'UK1', 'BHS5']

  11. 

  12. 

  13. def get_flavor_id(region, name='s1-2'):

  14.     flavors = client.get(service_url + '/flavor')

  15.     flavorId = [f['id'] for f in flavors if f['name']

  16.                 == name and f['region'] == region][0]

  17.     return flavorId

  18. 

  19. 

  20. def get_image_id(region, name='Ubuntu 20.04'):

  21.     images = client.get(service_url + '/image')

  22.     imageId = [i['id'] for i in images if i['name']

  23.                == name and i['region'] == region][0]

  24.     return imageId

  25. 

  26. 

  27. def get_eleves():

  28.     ovh_ssh_keys = client.get(service_url + '/sshkey')

  29.     liste_eleves = [(k['id'], k['name'].split('_')[1], k['publicKey'])

  30.                     for k in ovh_ssh_keys

  31.                     if k['name'].startswith('ssh_')]

  32.     return liste_eleves

  33. 

  34. 

  35. def delete_eleve(eleve_id):

  36.     client.delete(service_url + '/sshkey/' + eleve_id)

  37. 

  38. 

  39. def create_eleve(prenom, publicKey):

  40.     client.post(service_url + '/sshkey',

  41.                 name='ssh_' + prenom,

  42.                 publicKey=publicKey

  43.                 )

  44. 

  45. 

  46. def get_instances():

  47.     ovh_instances = client.get(service_url + '/instance')

  48.     instances = []

  49.     for i in ovh_instances:

  50.         id_inst = i['id']

  51.         name = i['name']

  52.         if not name.startswith('eica-'):

  53.             continue

  54.         if i['ipAddresses']:

  55.             ip = i['ipAddresses'][0]['ip']

  56.         else:

  57.             ip = 'Waiting...'

  58.         region = i['region']

  59.         status = i['status']

  60.         instances.append((id_inst, name, ip, region, status,))

  61.     return instances

  62. 

  63. 

  64. def create_instance(eleve_id, name, region):

  65.     image_id = get_image_id(region)

  66.     flavor_id = get_flavor_id(region)

  67.     client.post(service_url + '/instance',

  68.                 name='eica-' + name,

  69.                 sshKeyId=eleve_id,

  70.                 flavorId=flavor_id,

  71.                 imageId=image_id,

  72.                 region=region

  73.                 )

  74. 

  75. 

  76. def delete_instance(instance_id):

  77.     print(service_url + '/instance/' + instance_id)

  78.     client.delete(service_url + '/instance/' + instance_id)

  79. 

  80. 

  81. def make_main_window():

  82.     liste_eleves = get_eleves()

  83.     liste_instances = get_instances()

  84.     col = [

  85.         [sg.Button('Ajouter', size=(12, 1))],

  86.         [sg.Button('Modifier', size=(12, 1))],

  87.         [sg.Button('Supprimer', size=(12, 1))],

  88.         [sg.Combo(regions, size=(12, 1), default_value=regions[0], k='region')],

  89.         [sg.Button('Instancier', size=(12, 1),

  90.                    button_color=('white', 'green'))],

  91.         [sg.Button('Quitter', size=(12, 1))],

  92.     ]

  93.     col1 = [

  94.         [sg.Table(values=liste_instances,

  95.                   headings=['id', 'Nom', 'Adresse IP', 'Région', 'Statut'],

  96.                   max_col_width=25,

  97.                   col_widths=[0, 15, 12, 10, 10],

  98.                   hide_vertical_scroll=True,

  99.                   background_color='light blue',

  100.                   text_color='black',

  101.                   auto_size_columns=False,

  102.                   justification='right',

  103.                   num_rows=len(liste_instances),

  104.                   alternating_row_color='lightyellow',

  105.                   key='table_instances',

  106.                   tooltip='Liste des instances actives')],

  107.     ]

  108.     col2 = [

  109.         [sg.Button('Détruire', size=(12, 1), button_color=('white', 'red'))],

  110.         [sg.Button('Actualiser', size=(12, 1))],

  111.     ]

  112.     layout = [

  113.         [sg.Text('Liste des élèves')],

  114.         [sg.Table(values=liste_eleves,

  115.                   headings=['', 'Prénom', ''],

  116.                   max_col_width=25,

  117.                   col_widths=[0, 20, 0],

  118.                   hide_vertical_scroll=True,

  119.                   background_color='light blue',

  120.                   text_color='black',

  121.                   auto_size_columns=False,

  122.                   justification='right',

  123.                   num_rows=len(liste_eleves),

  124.                   alternating_row_color='lightyellow',

  125.                   key='table_eleves',

  126.                   tooltip='Liste des élèves'),

  127.          sg.Column(col),

  128.          sg.Column(col1),

  129.          sg.Column(col2)],

  130. 

  131.     ]

  132.     window = sg.Window('OVH - Gestion des instances',

  133.                        layout=layout,

  134.                        size=(900, 300),

  135.                        finalize=True)

  136.     window.liste_eleves = liste_eleves

  137.     window.liste_instances = liste_instances

  138.     return window

  139. 

  140. 

  141. def make_add_window(caption, role='create', initial_values=None):

  142.     if initial_values:

  143.         eleve_id, prenom, pk = initial_values

  144.     else:

  145.         eleve_id = prenom = pk = ''

  146.     layout = [

  147.         [sg.InputText(eleve_id, k='eleve_id', visible=False)],

  148.         [sg.Text(text='Prénom', size=(10, 2)), sg.InputText(

  149.             default_text=prenom, size=(20, 2), k='prenom')],

  150.         [sg.Text(text='Clé publique', size=(10, 2)), sg.InputText(

  151.             default_text=pk, size=(20, 2), k='pk')],

  152.         [sg.Button('Valider', bind_return_key=True),

  153.          sg.Button('Annuler', bind_return_key=True)]

  154.     ]

  155.     window = sg.Window(caption,

  156.                        layout=layout,

  157.                        finalize=True)

  158.     window.role = role

  159.     return window

  160. 

  161. 

  162. window1, window2 = make_main_window(), None

  163. 

  164. while True:

  165.     window, event, values = sg.read_all_windows()

  166.     print(f'window : {window}, event : {event}, values : {values}')

  167.     if window == window1:

  168.         if event in (sg.WIN_CLOSED, 'Quitter'):

  169.             break

  170. 

  171.         if event == 'Ajouter':

  172.             window2 = make_add_window('Ajouter', role='create')

  173.             window2.make_modal()

  174. 

  175.         if event == 'Supprimer':

  176.             try:

  177.                 # dans le cas d'un tableau, la valeur est un tableau de(s)

  178.                 # index sélectionnés. On garde le premier quoi qu'il arrive

  179.                 selected_line = values['table_eleves'][0]

  180.                 # la colonne id est cachée au niveau de l'affichage

  181.                 id_eleve = window1.liste_eleves[selected_line][0]

  182.             except IndexError:

  183.                 sg.popup_ok(

  184.                     'Veuillez sélectionner un enregistrement à supprimer')

  185.                 continue

  186.             confirmation = sg.popup("Confirmez-vous la suppression ?",

  187.                                     button_type=sg.POPUP_BUTTONS_OK_CANCEL,

  188.                                     custom_text=("Oui", "Non"))

  189.             if confirmation == "Non":

  190.                 continue

  191.             sg.PopupAnimated("sablier.png")

  192. 

  193.             delete_eleve(id_eleve)

  194.             liste_eleves = get_eleves()

  195. 

  196.             sg.PopupAnimated(None)

  197.             window1['table_eleves'].update(values=liste_eleves,

  198.                                            num_rows=len(liste_eleves))

  199.             window1.liste_eleves = liste_eleves

  200. 

  201.         if event == 'Modifier':

  202.             try:

  203.                 # voir 'Supprimer' pour une explication

  204.                 selected_line = values['table_eleves'][0]

  205.                 id_eleve, prenom, pk = window1.liste_eleves[selected_line]

  206.             except IndexError:

  207.                 sg.popup_ok(

  208.                     'Veuillez sélectionner un enregistrement à modifier')

  209.                 continue

  210.             window2 = make_add_window('Modifier',

  211.                                       initial_values=[id_eleve, prenom, pk],

  212.                                       role='modify')

  213.             window2.make_modal()

  214. 

  215.         if event == 'Instancier':

  216.             selected_lines = values['table_eleves']

  217.             if len(selected_lines) == 0:

  218.                 sg.popup_ok(

  219.                     'Veuillez sélectionner un élève')

  220.                 continue

  221.             eleves = []

  222.             for row in selected_lines:

  223.                 id_eleve = window1.liste_eleves[row][0]

  224.                 prenom = window1.liste_eleves[row][1]

  225.                 eleves.append((id_eleve, prenom,))

  226.             nb_inst = len(eleves)

  227.             confirmation = sg.popup(f"Confirmez-vous le lancement de {nb_inst} instances ?",

  228.                                     button_type=sg.POPUP_BUTTONS_OK_CANCEL,

  229.                                     custom_text=("Oui", "Non"))

  230.             if confirmation == "Non":

  231.                 continue

  232. 

  233.             sg.PopupAnimated("sablier.png")

  234. 

  235.             for el in eleves:

  236.                 active_instances_names = [i[1].split(

  237.                     '-')[1] for i in window1.liste_instances]

  238.                 if not el[1] in active_instances_names:

  239.                     create_instance(el[0], el[1], values['region'])

  240. 

  241.             liste_instances = get_instances()

  242. 

  243.             sg.PopupAnimated(None)

  244. 

  245.             window1['table_instances'].update(values=liste_instances,

  246.                                               num_rows=len(liste_instances))

  247.             window1.liste_instances = liste_instances

  248. 

  249.         if event == 'Détruire':

  250.             selected_lines = values['table_instances']

  251.             if len(selected_lines) == 0:

  252.                 sg.popup_ok(

  253.                     'Veuillez sélectionner une instance au moins')

  254.                 continue

  255.             instances = []

  256.             for row in selected_lines:

  257.                 instances.append(window1.liste_instances[row][0])

  258.             nb_inst = len(instances)

  259.             confirmation = sg.popup(f"Confirmez-vous la suppression de {nb_inst} instances ?",

  260.                                     button_type=sg.POPUP_BUTTONS_OK_CANCEL,

  261.                                     custom_text=("Oui", "Non"))

  262.             if confirmation == "Non":

  263.                 continue

  264. 

  265.             sg.PopupAnimated("sablier.png")

  266. 

  267.             for id_inst in instances:

  268.                 delete_instance(id_inst)

  269. 

  270.             liste_instances = get_instances()

  271. 

  272.             sg.PopupAnimated(None)

  273. 

  274.             window1['table_instances'].update(values=liste_instances,

  275.                                               num_rows=len(liste_instances))

  276.             window1.liste_instances = liste_instances

  277. 

  278.         if event == 'Actualiser':

  279.             sg.PopupAnimated("sablier.png")

  280.             liste_instances = get_instances()

  281.             sg.PopupAnimated(None)

  282.             window1['table_instances'].update(values=liste_instances,

  283.                                               num_rows=len(liste_instances))

  284.             window1.liste_instances = liste_instances

  285. 

  286.     if window == window2:

  287.         if event in (sg.WIN_CLOSED, 'Annuler'):

  288.             window2.close()

  289.             window2 = None

  290. 

  291.         if event == 'Valider' and window.role == 'create':

  292.             prenom = values['prenom'].lower()  # TODO : accents ?

  293.             pk = values['pk']

  294.             create_eleve(prenom, pk)

  295.             liste_eleves = get_eleves()

  296.             window1['table_eleves'].update(values=liste_eleves,

  297.                                            num_rows=len(liste_eleves))

  298.             window1.liste_eleves = liste_eleves

  299.             window2.close()

  300.             window2 = None

  301. 

  302.         if event == 'Valider' and window.role == 'modify':

  303.             confirmation = sg.popup("Confirmez-vous la modification ?",

  304.                                     button_type=sg.POPUP_BUTTONS_OK_CANCEL,

  305.                                     custom_text=("Oui", "Non"))

  306.             if confirmation == "Non":

  307.                 continue

  308.             prenom = values['prenom'].lower()

  309.             pk = values['pk']

  310.             eleve_id = values['eleve_id']

  311.             delete_eleve(eleve_id)

  312.             create_eleve(prenom, pk)

  313.             liste_eleves = get_eleves()

  314.             window1['table_eleves'].update(values=liste_eleves,

  315.                                            num_rows=len(liste_eleves))

  316.             window1.liste_eleves = liste_eleves

  317.             window2.close()

  318.             window2 = None

  319. 

  320. window1.close()

  321. if window2 is not None:

  322.     window2.close()

  323. 

  324. print('Bye !')