Skond : — ħażna mqassma ta' oġġetti tolleranti għall-ħsarat , kompatibbli mal-klijenti li jużaw l-Amazon S3 API u REST-API, u jappoġġja wkoll il-modalità server NFS. Hemm ottimizzazzjonijiet għall-ħażna kemm ta 'oġġetti żgħar kif ukoll kbar ħafna, hemm mekkaniżmu ta' caching inkorporat, u r-replikazzjoni tal-ħażna bejn iċ-ċentri tad-dejta hija possibbli. L-għanijiet tal-proġett jinkludu l-kisba ta 'affidabilità ta' 99.9999999% permezz ta 'replikazzjoni żejda ta' duplikati u l-eliminazzjoni ta 'punt wieħed ta' falliment. Il-kodiċi tal-proġett huwa miktub f'Erlang.
LeoFS jikkonsisti fi tliet komponenti:
- — iservi operazzjonijiet ta’ żieda, irkupru u tħassir ta’ oġġetti u metadejta, huwa responsabbli għat-twettiq ta’ replikazzjoni, rkupru u kju tat-talbiet tal-klijenti.
- — jaqdi talbiet HTTP u jidderieġi mill-ġdid it-tweġibiet lill-klijenti li jużaw REST-API jew S3-API, jiżgura l-caching tad-dejta l-aktar meħtieġa fil-memorja u fuq id-diska.
- — jimmonitorja l-operat tan-nodi LeoFS Gateway u LeoFS Ħażna, jimmonitorja l-istatus tan-nodi u jiċċekkja checksums. Tiggarantixxi l-integrità tad-dejta u d-disponibbiltà għolja tal-ħażna.
F'din il-kariga se ninstallaw Leofs billi nużaw ansible-playbook u nittestjaw S3, NFS.
Jekk tipprova tinstalla LeoFS billi tuża l-playbooks uffiċjali, tiltaqa' ma' diversi żbalji: ,. F'din il-post se nikteb x'jeħtieġ li jsir biex jiġu evitati dawn l-iżbalji.
Fejn se tmexxi ansible-playbook, trid tinstalla netcat.
Eżempju ta' inventarju
Inventarju ta' eżempju (fir-repożitorju hosts.sample):
# Please check roles/common/vars/leofs_releases for available versions
[all:vars]
leofs_version=1.4.3
build_temp_path="/tmp/leofs_builder"
build_install_path="/tmp/"
build_branch="master"
source="package"
#[builder]
#172.26.9.177
# nodename of leo_manager_0 and leo_manager_1 are set at group_vars/all
[leo_manager_0]
172.26.9.176
# nodename of leo_manager_0 and leo_manager_1 are set at group_vars/all
[leo_manager_1]
172.26.9.178
[leo_storage]
172.26.9.179 [email protected]
172.26.9.181 [email protected]
172.26.9.182 [email protected]
172.26.9.183 [email protected]
[leo_gateway]
172.26.9.180 [email protected]
172.26.9.184 [email protected]
[leofs_nodes:children]
leo_manager_0
leo_manager_1
leo_gateway
leo_storagePreparazzjoni tas-server
Jiskonnettja Selinux. Nittama li l-komunità toħloq politiki Selinux għal LeoFS.
- name: Install libselinux as prerequisite for SELinux Ansible module
yum:
name: "{{item}}"
state: latest
with_items:
- libselinux-python
- libsemanage-python
- name: Disable SELinux at next reboot
selinux:
state: disabled
- name: Set SELinux in permissive mode until the machine is rebooted
command: setenforce 0
ignore_errors: true
changed_when: false
Installazzjoni netcat и redhat-lsb-core. netcat meħtieġa għal leofs-adm, redhat-lsb-core meħtieġa biex tiddetermina l-verżjoni OS .
- name: Install Packages
yum: name={{ item }} state=present
with_items:
- nmap-ncat
- redhat-lsb-coreĦolqien ta 'leofs ta' utent u żżidu mal-grupp tar-roti
- name: Create user leofs
group:
name: leofs
state: present
- name: Allow 'wheel' group to have passwordless sudo
lineinfile:
dest: /etc/sudoers
state: present
regexp: '^%wheel'
line: '%wheel ALL=(ALL) NOPASSWD: ALL'
validate: 'visudo -cf %s'
- name: Add the user 'leofs' to group 'wheel'
user:
name: leofs
groups: wheel
append: yesInstallazzjoni Erlang
- name: Remote erlang-20.3.8.23-1.el7.x86_64.rpm install with yum
yum: name=https://github.com/rabbitmq/erlang-rpm/releases/download/v20.3.8.23/erlang-20.3.8.23-1.el7.x86_64.rpm
Il-verżjoni sħiħa tal-playbook Ansible kkoreġut tista' ssibha hawn:
Installazzjoni, konfigurazzjoni, tnedija
Sussegwentement nagħmlu kif miktub mingħajr build_leofs.yml
## Install LeoFS
$ ansible-playbook -i hosts install_leofs.yml
## Config LeoFS
$ ansible-playbook -i hosts config_leofs.yml
## Start LeoFS
$ ansible-playbook -i hosts start_leofs.ymlIċċekkja l-istatus tal-cluster fuq Primary LeoManager
leofs-adm statusPrimarja u Sekondarja jistgħu jidhru fil-logs ansible-playbook
L-output se jkun xi ħaġa bħal din
[System Confiuration]
-----------------------------------+----------
Item | Value
-----------------------------------+----------
Basic/Consistency level
-----------------------------------+----------
system version | 1.4.3
cluster Id | leofs_1
DC Id | dc_1
Total replicas | 2
number of successes of R | 1
number of successes of W | 1
number of successes of D | 1
number of rack-awareness replicas | 0
ring size | 2^128
-----------------------------------+----------
Multi DC replication settings
-----------------------------------+----------
[mdcr] max number of joinable DCs | 2
[mdcr] total replicas per a DC | 1
[mdcr] number of successes of R | 1
[mdcr] number of successes of W | 1
[mdcr] number of successes of D | 1
-----------------------------------+----------
Manager RING hash
-----------------------------------+----------
current ring-hash | a0314afb
previous ring-hash | a0314afb
-----------------------------------+----------
[State of Node(s)]
-------+----------------------+--------------+---------+----------------+----------------+----------------------------
type | node | state | rack id | current ring | prev ring | updated at
-------+----------------------+--------------+---------+----------------+----------------+----------------------------
S | [email protected] | running | | a0314afb | a0314afb | 2019-12-05 10:33:47 +0000
S | [email protected] | running | | a0314afb | a0314afb | 2019-12-05 10:33:47 +0000
S | [email protected] | running | | a0314afb | a0314afb | 2019-12-05 10:33:47 +0000
S | [email protected] | attached | | | | 2019-12-05 10:33:58 +0000
G | [email protected] | running | | a0314afb | a0314afb | 2019-12-05 10:33:49 +0000
G | [email protected] | running | | a0314afb | a0314afb | 2019-12-05 10:33:49 +0000
-------+----------------------+--------------+---------+----------------+----------------+----------------------------Ħolqien ta' utent
Oħloq utent tal-leofs:
leofs-adm create-user leofs leofs
access-key-id: 9c2615f32e81e6a1caf5
secret-access-key: 8aaaa35c1ad78a2cbfa1a6cd49ba8aaeb3ba39ebLista ta' utenti:
leofs-adm get-users
user_id | role_id | access_key_id | created_at
------------+---------+------------------------+---------------------------
_test_leofs | 9 | 05236 | 2019-12-02 06:56:49 +0000
leofs | 1 | 9c2615f32e81e6a1caf5 | 2019-12-02 10:43:29 +0000Oħloq Barmil
Għamel barmil
leofs-adm add-bucket leofs 9c2615f32e81e6a1caf5
OKLista tal-barmil:
leofs-adm get-buckets
cluster id | bucket | owner | permissions | created at
-------------+----------+--------+------------------+---------------------------
leofs_1 | leofs | leofs | Me(full_control) | 2019-12-02 10:44:02 +0000Konfigurazzjoni ta' s3cmd
Fil-qasam HTTP Proxy server name speċifika l-IP tas-server Gateway
s3cmd --configure
Enter new values or accept defaults in brackets with Enter.
Refer to user manual for detailed description of all options.
Access key and Secret key are your identifiers for Amazon S3. Leave them empty for using the env variables.
Access Key [9c2615f32e81e6a1caf5]:
Secret Key [8aaaa35c1ad78a2cbfa1a6cd49ba8aaeb3ba39eb]:
Default Region [US]:
Use "s3.amazonaws.com" for S3 Endpoint and not modify it to the target Amazon S3.
S3 Endpoint [s3.amazonaws.com]:
Use "%(bucket)s.s3.amazonaws.com" to the target Amazon S3. "%(bucket)s" and "%(location)s" vars can be used
if the target S3 system supports dns based buckets.
DNS-style bucket+hostname:port template for accessing a bucket [%(bucket)s.s3.amazonaws.com]: leofs
Encryption password is used to protect your files from reading
by unauthorized persons while in transfer to S3
Encryption password:
Path to GPG program [/usr/bin/gpg]:
When using secure HTTPS protocol all communication with Amazon S3
servers is protected from 3rd party eavesdropping. This method is
slower than plain HTTP, and can only be proxied with Python 2.7 or newer
Use HTTPS protocol [No]:
On some networks all internet access must go through a HTTP proxy.
Try setting it here if you can't connect to S3 directly
HTTP Proxy server name [172.26.9.180]:
HTTP Proxy server port [8080]:
New settings:
Access Key: 9c2615f32e81e6a1caf5
Secret Key: 8aaaa35c1ad78a2cbfa1a6cd49ba8aaeb3ba39eb
Default Region: US
S3 Endpoint: s3.amazonaws.com
DNS-style bucket+hostname:port template for accessing a bucket: leofs
Encryption password:
Path to GPG program: /usr/bin/gpg
Use HTTPS protocol: False
HTTP Proxy server name: 172.26.9.180
HTTP Proxy server port: 8080
Test access with supplied credentials? [Y/n] Y
Please wait, attempting to list all buckets...
Success. Your access key and secret key worked fine :-)
Now verifying that encryption works...
Not configured. Never mind.
Save settings? [y/N] y
Configuration saved to '/home/user/.s3cfg'Jekk ikollok l-iżball ŻBALL: Żball S3: 403 (Aċċess Miċħud): Aċċess Miċħud:
s3cmd put test.py s3://leofs/
upload: 'test.py' -> 's3://leofs/test.py' [1 of 1]
382 of 382 100% in 0s 3.40 kB/s done
ERROR: S3 error: 403 (AccessDenied): Access DeniedImbagħad għandek bżonn tibdel signature_v3 għal Veru fil-konfigurazzjoni s2cmd. Dettalji f'dan .
Jekk signature_v2 hija Falza, allura jkun hemm żball bħal dan:
WARNING: Retrying failed request: /?delimiter=%2F (getaddrinfo() argument 2 must be integer or string)
WARNING: Waiting 3 sec...
WARNING: Retrying failed request: /?delimiter=%2F (getaddrinfo() argument 2 must be integer or string)
WARNING: Waiting 6 sec...
ERROR: Test failed: Request failed for: /?delimiter=%2FIttestjar tat-tagħbija
Oħloq fajl 1GB
fallocate -l 1GB 1gbTellah fuq Leofs
time s3cmd put 1gb s3://leofs/
real 0m19.099s
user 0m7.855s
sys 0m1.620sStatistika
leofs-adm du għal 1 node:
leofs-adm du [email protected]
active number of objects: 156
total number of objects: 156
active size of objects: 602954495
total size of objects: 602954495
ratio of active size: 100.0%
last compaction start: ____-__-__ __:__:__
last compaction end: ____-__-__ __:__:__Naraw li l-konklużjoni mhix informattiva ħafna.
Ejja naraw fejn jinsab dan il-fajl.
leofs-adm fejn huwa leofs/1gb
leofs-adm whereis leofs/1gb
-------+----------------------+--------------------------------------+------------+--------------+----------------+----------------+----------------+----------------------------
del? | node | ring address | size | checksum | has children | total chunks | clock | when
-------+----------------------+--------------------------------------+------------+--------------+----------------+----------------+----------------+----------------------------
| [email protected] | 657a9f3a3db822a7f1f5050925b26270 | 976563K | a4634eea55 | true | 64 | 598f2aa976a4f | 2019-12-05 10:48:15 +0000
| [email protected] | 657a9f3a3db822a7f1f5050925b26270 | 976563K | a4634eea55 | true | 64 | 598f2aa976a4f | 2019-12-05 10:48:15 +0000Attiva NFS
Aħna nattivaw NFS fuq is-server Leo Gateway 172.26.9.184.
Installa nfs-utils fuq is-server u l-klijent
sudo yum install nfs-utilsSkont l-istruzzjonijiet, aħna se nikkoreġu l-fajl tal-konfigurazzjoni /usr/local/leofs/current/leo_gateway/etc/leo_gateway.conf
protocol = nfsFuq is-server 172.26.9.184 mexxi rpcbind u leofs-gateway
sudo service rpcbind start
sudo service leofs-gateway restartFuq is-server fejn qed jaħdem leo_manager, oħloq barmil għal NFS u ġġenera ċavetta għall-konnessjoni ma 'NFS
leofs-adm add-bucket test 05236
leofs-adm gen-nfs-mnt-key test 05236 ip-адрес-nfs-клиентаKonnessjoni ma 'NFS
sudo mkdir /mnt/leofs
## for Linux - "sudo mount -t nfs -o nolock <host>:/<bucket>/<token> <dir>"
sudo mount -t nfs -o nolock ip-адрес-nfs-сервера-там-где-у-вас-установлен-gateway:/bucket/access_key_id/ключ-полученный-от-gen-nfs-mnt-key /mnt/leofs
sudo mount -t nfs -o nolock 172.26.9.184:/test/05236/bb5034f0c740148a346ed663ca0cf5157efb439f /mnt/leofsAra l-ispazju tad-diska permezz tal-klijent NFS
Spazju tad-disk, b'kont meħud li kull nodu tal-ħażna għandu disk ta '40GB (3 nodi li jaħdmu, nodu 1 mehmuż):
df -hP
Filesystem Size Used Avail Use% Mounted on
172.26.9.184:/test/05236/e7298032e78749149dd83a1e366afb328811c95b 60G 3.6G 57G 6% /mnt/leofsInstallazzjoni ta 'LeoFS b'6 nodi ta' ħażna.
Inventarju (mingħajr bennej):
# Please check roles/common/vars/leofs_releases for available versions
[all:vars]
leofs_version=1.4.3
build_temp_path="/tmp/leofs_builder"
build_install_path="/tmp/"
build_branch="master"
source="package"
# nodename of leo_manager_0 and leo_manager_1 are set at group_vars/all
[leo_manager_0]
172.26.9.177
# nodename of leo_manager_0 and leo_manager_1 are set at group_vars/all
[leo_manager_1]
172.26.9.176
[leo_storage]
172.26.9.178 [email protected]
172.26.9.179 [email protected]
172.26.9.181 [email protected]
172.26.9.182 [email protected]
172.26.9.183 [email protected]
172.26.9.185 [email protected]
[leo_gateway]
172.26.9.180 [email protected]
172.26.9.184 [email protected]
[leofs_nodes:children]
leo_manager_0
leo_manager_1
leo_gateway
leo_storageOutput leofs-adm status
Output leofs-adm status
[System Confiuration]
-----------------------------------+----------
Item | Value
-----------------------------------+----------
Basic/Consistency level
-----------------------------------+----------
system version | 1.4.3
cluster Id | leofs_1
DC Id | dc_1
Total replicas | 2
number of successes of R | 1
number of successes of W | 1
number of successes of D | 1
number of rack-awareness replicas | 0
ring size | 2^128
-----------------------------------+----------
Multi DC replication settings
-----------------------------------+----------
[mdcr] max number of joinable DCs | 2
[mdcr] total replicas per a DC | 1
[mdcr] number of successes of R | 1
[mdcr] number of successes of W | 1
[mdcr] number of successes of D | 1
-----------------------------------+----------
Manager RING hash
-----------------------------------+----------
current ring-hash | d8ff465e
previous ring-hash | d8ff465e
-----------------------------------+----------
[State of Node(s)]
-------+----------------------+--------------+---------+----------------+----------------+----------------------------
type | node | state | rack id | current ring | prev ring | updated at
-------+----------------------+--------------+---------+----------------+----------------+----------------------------
S | [email protected] | running | | d8ff465e | d8ff465e | 2019-12-06 05:18:29 +0000
S | [email protected] | running | | d8ff465e | d8ff465e | 2019-12-06 05:18:29 +0000
S | [email protected] | running | | d8ff465e | d8ff465e | 2019-12-06 05:18:30 +0000
S | [email protected] | running | | d8ff465e | d8ff465e | 2019-12-06 05:18:29 +0000
S | [email protected] | running | | d8ff465e | d8ff465e | 2019-12-06 05:18:29 +0000
S | [email protected] | running | | d8ff465e | d8ff465e | 2019-12-06 05:18:29 +0000
G | [email protected] | running | | d8ff465e | d8ff465e | 2019-12-06 05:18:31 +0000
G | [email protected] | running | | d8ff465e | d8ff465e | 2019-12-06 05:18:31 +0000
-------+----------------------+--------------+---------+----------------+----------------+----------------------------Spazju tad-disk, b'kont meħud li kull nodu tal-ħażna għandu disk ta '40GB (6 nodi li jaħdmu):
df -hP
Filesystem Size Used Avail Use% Mounted on
172.26.9.184:/test/05236/e7298032e78749149dd83a1e366afb328811c95b 120G 3.6G 117G 3% /mnt/leofsJekk jintużaw 5 nodi tal-ħażna
[leo_storage]
172.26.9.178 [email protected]
172.26.9.179 [email protected]
172.26.9.181 [email protected]
172.26.9.182 [email protected]
172.26.9.183 [email protected]df -hP
172.26.9.184:/test/05236/e7298032e78749149dd83a1e366afb328811c95b 100G 3.0G 97G 3% /mnt/leofsZkuk
Zkuk jinsabu fid-direttorji /usr/local/leofs/current/*/log
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