Cloud Archive Swift - Mettre en place une Access Control List sur Public Cloud Archive

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KB0046908

Cloud Archive Swift - Mettre en place une Access Control List sur Public Cloud Archive


Icons/System/eye-open Created with Sketch. 255 vues 15.12.2021 Cloud / Object Storage S3

Objectif

Ce guide à pour objectif de vous aider à vous familiariser avec les ACL afin d'affiner les droits d'accès à vos conteneurs.

Préambule

Les ACL des conteneurs sont stockées dans les métadonnées X-Container-Write et X-Container-Read. La portée de l'ACL est limitée au conteneur dans lequel les métadonnées sont définies et aux objets du conteneur. De plus :

  • X-Container-Write accorde la possibilité d'effectuer des opérations PUT, POST et DELETE sur les objets d'un conteneur. Il ne permet pas d'effectuer des opérations POST ou DELETE sur le conteneur lui-même. Certains éléments de la liste de contrôle d'accès permettent également d'effectuer des opérations HEAD ou GET sur le conteneur.

  • X-Container-Read permet d'effectuer des opérations GET et HEAD sur des objets dans un conteneur. Certains éléments de la liste de contrôle d'accès permettent également d'effectuer des opérations HEAD ou GET sur le conteneur lui-même. Toutefois, une ACL de conteneur ne permet pas d'accéder aux métadonnées privilégiées (telles que X-Container-Sync-Key).

Les ACL de conteneurs utilisent la syntaxe ACL « V1 » qui est une chaîne d'éléments séparés par des virgules comme le montre l'exemple suivant :

.r:*,.rlistings,702xxxxxxxxxxxxxxxxxxxxxxxxxxdaf:*

Les éléments peuvent être séparés par des espaces, comme dans l'exemple suivant :

.r : *, .rlistings, 702xxxxxxxxxxxxxxxxxxxxxxxxxxdaf:*

Prérequis

En pratique

Créer trois utilisateurs

  • Un compte admin ayant le rôle ObjectStore operator
  • Un compte user sans aucun rôle
  • Un compte limited_user sans aucun rôle

Création des utilisateurs

Charger l'environnement du compte admin

. openrc-admin.sh

Créer un conteneur et déposer deux fichiers test

swift post -H "X-Storage-Policy: PCA" <conteneur>
swift upload <conteneur> <largeobject>
swift upload <conteneur> <object>

Vérification des accès

Depuis le compte admin :

. openrc-admin.sh
swift stat
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Containers: 2
Objects: 14
Bytes: 6442454246
Containers in policy "pca": 2
Objects in policy "pca": 14
Bytes in policy "pca": 6442454246
X-Timestamp: 1628236187.15682
Content-Type: text/plain; charset=utf-8
Accept-Ranges: bytes
X-Account-Project-Domain-Id: default
Vary: Accept
X-Trans-Id: txa90afd77faf64420a26fe-0061272ba6
X-Openstack-Request-Id: txa90afd77faf64420a26fe-0061272ba6
X-Iplb-Request-Id: 6DBEFE1E:EDE8_3626E64B:01BB_61272BA5_1E67059:20729
X-Iplb-Instance: 12308
swift list
<conteneur>
<conteneur_segments>
swift stat <conteneur>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur>
Objects: 1
Bytes: 3302
Read ACL:
Write ACL:
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Wed, 25 Aug 2021 21:13:08 GMT
X-Timestamp: 1629925917.23282
Content-Type: text/plain; charset=utf-8
 Vary: Accept
X-Trans-Id: tx5dc255c8afcb46e8a39be-0061272d16
X-Openstack-Request-Id: tx5dc255c8afcb46e8a39be-0061272d16
X-Iplb-Request-Id: 6DBEFE1E:806A_3626E64B:01BB_61272D16_2672F8C:12099
X-Iplb-Instance: 38426
swift list <conteneur>
<largeobject>
<object>

Depuis le compte user :

. openrc-user.sh
swift stat
Account HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b 403 Forbidden
Failed Transaction ID: tx5c07e0049b244351a8ad3-0061272d97
swift list
Account GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: txc64f2ae1b13b4512921d7-0061272dbe
swift stat <conteneur>
Container HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b/<conteneur> 403 Forbidden
Failed Transaction ID: txe28a06b820024e2db7fdd-0061272dd0
swift list <conteneur>
Container GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b/<conteneur>?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: tx7f02e551b0124f33bf7e3-0061272dde

Depuis le compte limited_user :

. openrc-limited-user.sh
swift stat
Account HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b 403 Forbidden
Failed Transaction ID: tx08b18a4a051d490ca02b6-00612734a6
swift list
Account GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: tx072cebdc7d634368ab78f-00612734b3
swift stat <conteneur>
Container HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b/<conteneur> 403 Forbidden
Failed Transaction ID: tx1370b790fcf14068b3c4b-00612734c4
swift list <conteneur>
Container GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b/<conteneur>?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: tx46316b5682924d4c849ac-00612734db

Partager le conteneur en lecture / écriture avec un membre spécifique du projet

Obtenir l'id de l'utilisateur :

. openrc-user.sh
openstack user show --format json "${OS_USERNAME}"
{
  "default_project_id": "297xxxxxxxxxxxxxxxxxxxxxxxxxx49b",
  "description": "user",
  "domain_id": "default",
  "enabled": true,
  "id": "febxxxxxxxxxxxxxxxxxxxxxxxxxxc72",
  "name": "user-rAawn9H2qxnn",
  "options": {},
  "password_expires_at": null
}
. openrc-admin.sh
swift post <conteneur> -r "297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:febxxxxxxxxxxxxxxxxxxxxxxxxxxc72" \
                       -w "297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:febxxxxxxxxxxxxxxxxxxxxxxxxxxc72"

Vérification des accès

Depuis le compte admin :

. openrc-admin.sh
swift stat
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Containers: 2
Objects: 15
Bytes: 6442454992
Containers in policy "pca": 2
Objects in policy "pca": 15
Bytes in policy "pca": 6442454992
X-Timestamp: 1628236187.15682
Content-Type: text/plain; charset=utf-8
Accept-Ranges: bytes
X-Account-Project-Domain-Id: default
Vary: Accept
X-Trans-Id: txa02aabbe1e154f7284a12-0061273617
X-Openstack-Request-Id: txa02aabbe1e154f7284a12-0061273617
X-Iplb-Request-Id: 6DBEFE1E:8412_3626E64B:01BB_61273616_20D6218:4ED7
X-Iplb-Instance: 33617
swift list
<conteneur>
<conteneur_segments>
swift stat <conteneur>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur>
Objects: 2
Bytes: 4048
Read ACL: 297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:febxxxxxxxxxxxxxxxxxxxxxxxxxxc72
Write ACL: 297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:febxxxxxxxxxxxxxxxxxxxxxxxxxxc72
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Thu, 26 Aug 2021 06:32:26 GMT
X-Timestamp: 1629925917.23282
Content-Type: text/plain; charset=utf-8
Vary: Accept
X-Trans-Id: tx36cc5c3ed5224bdabaa61-0061273644
X-Openstack-Request-Id: tx36cc5c3ed5224bdabaa61-0061273644
X-Iplb-Request-Id: 6DBEFE1E:8486_3626E64B:01BB_61273644_20D14A0:15614
X-Iplb-Instance: 38342
swift list <conteneur>
<largeobject>
<object>

Depuis le compte user :

. openrc-user.sh
swift stat
Account HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b 403 Forbidden
Failed Transaction ID: txd478e14d3a044d27a1069-0061273678
swift list
Account GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: txdf7a083913a449a0bdaa0-0061273699
swift stat <conteneur>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur>
Objects: 2
Bytes: 4048
Read ACL:
Write ACL:
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Thu, 26 Aug 2021 06:32:26 GMT
X-Timestamp: 1629925917.23282
Content-Type: text/plain; charset=utf-8
 Vary: Accept
X-Trans-Id: txe320d39085464a24b7e48-00612736a9
X-Openstack-Request-Id: txe320d39085464a24b7e48-00612736a9
X-Iplb-Request-Id: 6DBEFE1E:8514_3626E64B:01BB_612736A8_202065D:27FE7
X-Iplb-Instance: 33618
swift list <conteneur>
<largeobject>
<object>

Depuis le compte limited_user :

. openrc-limited-user.sh
swift stat
Account HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b 403 Forbidden
Failed Transaction ID: tx9ee6002842844cf791a8c-0061273715
swift list
Account GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: txab4706eabf354d2982630-0061273724
swift stat <conteneur>
Container HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b/<conteneur> 403 Forbidden
Failed Transaction ID: txa7a488b0549647e886757-0061273734
swift list <conteneur>
Container GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b/<conteneur>?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: txdd45d71c14314f589744e-0061273744

Partager le conteneur avec les membres du projet

. openrc-admin.sh
swift post <conteneur> -r "297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:*" \
                       -w "297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:*"

Vérification des accès

Depuis le compte admin :

. openrc-admin.sh
swift stat
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Containers: 2
Objects: 15
Bytes: 6442454992
Containers in policy "pca": 2
Objects in policy "pca": 15
Bytes in policy "pca": 6442454992
X-Timestamp: 1628236187.15682
Content-Type: text/plain; charset=utf-8
Accept-Ranges: bytes
X-Account-Project-Domain-Id: default
Vary: Accept
X-Trans-Id: tx1d665074c05545ce9f398-0061273cad
X-Openstack-Request-Id: tx1d665074c05545ce9f398-0061273cad
X-Iplb-Request-Id: 6DBEFE1E:8712_3626E64B:01BB_61273CAD_1EB615D:20727
X-Iplb-Instance: 12308
swift list
<conteneur>
<conteneur_segments>
swift stat <conteneur>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur>
Objects: 2
Bytes: 4048
Read ACL: 297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:*
Write ACL: 297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:*
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Thu, 26 Aug 2021 06:43:31 GMT
X-Timestamp: 1629925917.23282
Content-Type: text/plain; charset=utf-8
Vary: Accept
X-Trans-Id: txa2611c408ccd4c5599a69-0061273cdd
X-Openstack-Request-Id: txa2611c408ccd4c5599a69-0061273cdd
X-Iplb-Request-Id: 6DBEFE1E:874E_3626E64B:01BB_61273CDD_1F01CA8:20722
X-Iplb-Instance: 12308
swift list <conteneur>
<largeobject>
<object>

Depuis le compte user :

. openrc-user.sh
swift stat
Account HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b 403 Forbidden
Failed Transaction ID: txa890a6d4b42c4f32be23e-0061273d10
swift list
Account GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: txc3a82eda633e47e691633-0061273d1f
swift stat <conteneur>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur>
Objects: 2
Bytes: 4048
Read ACL:
Write ACL:
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Thu, 26 Aug 2021 06:43:31 GMT
X-Timestamp: 1629925917.23282
Content-Type: text/plain; charset=utf-8
Vary: Accept
X-Trans-Id: txb6c4e1e26225414fbfee6-0061273d2a
X-Openstack-Request-Id: txb6c4e1e26225414fbfee6-0061273d2a
X-Iplb-Request-Id: 6DBEFE1E:87A8_3626E64B:01BB_61273D2A_2218418:4ED4
X-Iplb-Instance: 33617
swift list <conteneur>
<largeobject>
<object>

Depuis le compte limited_user :

. openrc-limited-user.sh
swift stat
Account HEAD failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b 403 Forbidden
Failed Transaction ID: txf0ef1ea9e9024e8da4886-0061273d58
swift list
Account GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b?format=json 403 Forbidden  [first 60 chars of response] b'<html><h1>Forbidden</h1><p>Access was denied to this resourc'
Failed Transaction ID: tx554571e2af674d58913d2-0061273d65
swift stat <conteneur>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur>
Objects: 2
Bytes: 4048
Read ACL:
Write ACL:
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Thu, 26 Aug 2021 06:43:31 GMT
X-Timestamp: 1629925917.23282
Content-Type: text/plain; charset=utf-8
Vary: Accept
X-Trans-Id: tx677723846a044648b1498-0061273d73
X-Openstack-Request-Id: tx677723846a044648b1498-0061273d73
X-Iplb-Request-Id: 6DBEFE1E:8804_3626E64B:01BB_61273D73_1F9C77D:27FE7
X-Iplb-Instance: 12309
swift list <conteneur>
<largeobject>
<object>

Autoriser un domaine reférent à télécharger des objets

Afin d'autoriser toutes les requêtes en provenance du domaine example.com à avoir accès aux objets du conteneur :

swift post <conteneur> -r ".r:.example.com"

Bien que la plupart des navigateurs modernes incluent l'en-tête Referrer dans leurs requêtes, cela constitue un risque de sécurité car il est tout à fait possible de changer la valeur de cet en-tête.

Vérification des accès

STORAGE_URL=`swift auth | awk -F = '/OS_STORAGE_URL/ {print $2}'`
curl -i $STORAGE_URL/<conteneur>/<object> -H "Referrer: http://example.com/index.html"

Partager un conteneur avec un utilisateur externe au projet

Depuis un autre projet, créez un utilisateur other-project-user sans aucun rôle.

Autre utilisateur

Obtenir l'id de l'utilisateur :

. openrc-other-project-user.sh
openstack user show --format json "${OS_USERNAME}"
{
  "default_project_id": "702xxxxxxxxxxxxxxxxxxxxxxxxxxdaf",
  "description": "other-project-user",
  "domain_id": "default",
  "enabled": true,
  "id": "c9677ed21acb4724aeafe2f60b7123f9",
  "name": "user-Pkwgh5CqDbdm",
  "options": {},
  "password_expires_at": null
}

Obtenir l'URL du stockage :

. openrc-admin.sh
swift auth | awk -F = '/OS_STORAGE_URL/ {print $2}'
https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b

Autoriser l'utilisateur other-project-user à avoir accès au conteneur en lecture :

. openrc-admin.sh
swift post -r "702xxxxxxxxxxxxxxxxxxxxxxxxxxdaf:c9677ed21acb4724aeafe2f60b7123f9" <conteneur>

Vérification des accès

Depuis le compte other-project-user :

. openrc-other-project-user.sh
swift --os-storage-url https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b list <conteneur>
<largeobject>
<object>

Depuis le compte admin :

. openrc-admin.sh
swift stat <conteneur>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur>
Objects: 2
Bytes: 4048
Read ACL: 702xxxxxxxxxxxxxxxxxxxxxxxxxxdaf:c9677ed21acb4724aeafe2f60b7123f9
Write ACL:
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Thu, 26 Aug 2021 07:24:25 GMT
X-Timestamp: 1629925917.23282
Content-Type: text/plain; charset=utf-8
Vary: Accept
X-Trans-Id: tx21f55cdaee1f4ebc907b0-0061274202
X-Openstack-Request-Id: tx21f55cdaee1f4ebc907b0-0061274202
X-Iplb-Request-Id: 6DBEFE1E:8A5A_3626E64B:01BB_61274201_22328AF:4ED4
X-Iplb-Instance: 33617

Le cas des Large Objects

Si un objet de plus de 5Gb à été déposé, cela génère un conteneur tel que : <conteneur_segments>.
Il faut appliquer les mêmes ACL à ce conteneur afin de pouvoir récupérer l'objet de plus de 5Gb

swift stat <conteneur>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur>
Objects: 2
Bytes: 4048
Read ACL: 297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:febxxxxxxxxxxxxxxxxxxxxxxxxxxc72
Write ACL: 297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:febxxxxxxxxxxxxxxxxxxxxxxxxxxc72
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Thu, 26 Aug 2021 07:34:41 GMT
X-Timestamp: 1629925917.23282
Content-Type: text/plain; charset=utf-8
Vary: Accept
X-Trans-Id: tx446a45d7108648c2b9054-0061274418
X-Openstack-Request-Id: tx446a45d7108648c2b9054-0061274418
X-Iplb-Request-Id: 6DBEFE1E:8B28_3626E64B:01BB_61274418_1FF3C2C:45FC
X-Iplb-Instance: 38343
swift stat <conteneur_segments>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur_segments>
Objects: 13
Bytes: 6442450944
Read ACL:
Write ACL:
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Wed, 25 Aug 2021 21:13:09 GMT
X-Timestamp: 1629925988.34920
Content-Type: text/plain; charset=utf-8
Vary: Accept
X-Trans-Id: tx4f5ce8af0bd845129c0d0-006127443b
X-Openstack-Request-Id: tx4f5ce8af0bd845129c0d0-006127443b
X-Iplb-Request-Id: 6DBEFE1E:8B3C_3626E64B:01BB_6127443A_1E867A3:15625
X-Iplb-Instance: 38342
swift download <conteneur> <largeobject>
Error downloading object '<conteneur>/<largeobject>': Object GET failed: https://storage.gra.cloud.ovh.net/v1/AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b/<conteneur>/<largeobject> 409 Conflict  [first 60 chars of response] b'<html><h1>Conflict</h1><p>There was a conflict when trying t'
swift post <conteneur_segments> -r "297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:febxxxxxxxxxxxxxxxxxxxxxxxxxxc72"
swift stat <conteneur_segments>
Account: AUTH_297xxxxxxxxxxxxxxxxxxxxxxxxxx49b
Container: <conteneur_segments>
Objects: 13
Bytes: 6442450944
Read ACL: 297xxxxxxxxxxxxxxxxxxxxxxxxxx49b:febxxxxxxxxxxxxxxxxxxxxxxxxxxc72
Write ACL:
Sync To:
Sync Key:
Accept-Ranges: bytes
X-Storage-Policy: PCS
Last-Modified: Thu, 26 Aug 2021 07:38:40 GMT
X-Timestamp: 1629925988.34920
Content-Type: text/plain; charset=utf-8
Vary: Accept
X-Trans-Id: txaba4d18d7cdd413581ab6-0061274504
X-Openstack-Request-Id: txaba4d18d7cdd413581ab6-0061274504
X-Iplb-Request-Id: 6DBEFE1E:8C04_3626E64B:01BB_61274504_28945B6:1209B
X-Iplb-Instance: 38426
swift download <conteneur> <largeobject>
<largeobject> [auth 0.739s, headers 1.408s, total 5504.436s, 1.171 MB/s]

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