ProHoster > Blog > Stjórnsýsla > Uppsetning á dreifðri villuþolinni LeoFS hlutageymslu, samhæfð við viðskiptavini sem nota S3, NFS
Uppsetning á dreifðri villuþolinni LeoFS hlutageymslu, samhæfð við viðskiptavini sem nota S3, NFS
Samkvæmt Opið net: LeoFS — dreifð bilunarþolin hlutgeymsla LeoFS, samhæft við viðskiptavini sem nota Amazon S3 API og REST-API, og styður einnig NFS miðlaraham. Það eru hagræðingar til að geyma bæði litla og mjög stóra hluti, það er innbyggt skyndiminniskerfi og afritun geymslu á milli gagnavera er möguleg. Markmið verkefnisins eru meðal annars að ná 99.9999999% áreiðanleika með óþarfa afritun afrita og útrýma einum bilunarpunkti. Verkefnakóði er skrifaður í Erlang.
LeoFS samanstendur af þremur hlutum:
LeoFS geymsla — þjónar aðgerðum við að bæta við, sækja og eyða hlutum og lýsigögnum, er ábyrgur fyrir afritun, endurheimt og biðröð viðskiptavinarbeiðna.
LeoFS hlið — þjónar HTTP beiðnum og vísar svörum til viðskiptavina sem nota REST-API eða S3-API, tryggir skyndiminni á nauðsynlegustu gögnum í minni og á diski.
LeoFS framkvæmdastjóri — fylgist með rekstri LeoFS Gateway og LeoFS Storage hnúta, fylgist með stöðu hnúta og athugar eftirlitssumman. Tryggir gagnaheilleika og mikið geymsluaðgengi.
Í þessari færslu munum við setja upp Leofs með því að nota ansible-playbook og prófa S3, NFS.
Ef þú reynir að setja upp LeoFS með því að nota opinberu leikbókina muntu lenda í ýmsum villum: 1,2. Í þessari færslu mun ég skrifa hvað þarf að gera til að forðast þessi mistök.
Þar sem þú munt keyra ansible-playbook þarftu að setja upp netcat.
Dæmi um birgðahald
Dæmi um lager (í hosts.sample geymslunni):
# 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_storage
Undirbúningur miðlara
Slökkva á Selinux. Ég vona að samfélagið muni búa til Selinux stefnur fyrir 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
Uppsetning netcat и redhat-lsb-core. netcat þarf fyrir leofs-adm, redhat-lsb-core þarf til að ákvarða stýrikerfisútgáfuna hér.
Aðal- og framhaldsskólastig má sjá í ansible-playbook logs
Úttakið verður eitthvað á þessa leið
[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
-------+----------------------+--------------+---------+----------------+----------------+----------------------------
leofs-adm add-bucket leofs 9c2615f32e81e6a1caf5
OK
Bucket listi:
leofs-adm get-buckets
cluster id | bucket | owner | permissions | created at
-------------+----------+--------+------------------+---------------------------
leofs_1 | leofs | leofs | Me(full_control) | 2019-12-02 10:44:02 +0000
Stillir s3cmd
Á sviði HTTP Proxy server name tilgreindu IP gáttarþjóninn
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'
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 Denied
Þá þarftu að breyta signature_v3 í True í s2cmd config. Smáatriði í þessu mál.
Ef signature_v2 er rangt, þá verður villa eins og þessi:
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=%2F
Hleðsluprófun
Búðu til 1GB skrá
fallocate -l 1GB 1gb
Hladdu því upp á Leofs
time s3cmd put 1gb s3://leofs/
real 0m19.099s
user 0m7.855s
sys 0m1.620s
Tölfræði
leofs-adm du fyrir 1 hnút:
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: ____-__-__ __:__:__
Við sjáum að niðurstaðan er ekki mjög upplýsandi.
Við skulum sjá hvar þessi skrá er staðsett.
leofs-adm þar sem leofs/1gb
Við virkum NFS á Leo Gateway 172.26.9.184 þjóninum.
Settu upp nfs-utils á þjóninum og biðlaranum
sudo yum install nfs-utils
Samkvæmt leiðbeiningunum munum við leiðrétta stillingarskrána /usr/local/leofs/current/leo_gateway/etc/leo_gateway.conf
protocol = nfs
Á netþjóni 172.26.9.184 keyrðu rpcbind og leofs-gateway
sudo service rpcbind start
sudo service leofs-gateway restart
Á þjóninum þar sem leo_manager er í gangi skaltu búa til fötu fyrir NFS og búa til lykil til að tengjast NFS
leofs-adm add-bucket test 05236
leofs-adm gen-nfs-mnt-key test 05236 ip-адрес-nfs-клиента
Tengist 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/leofs
Skoða pláss í gegnum NFS biðlara
Diskapláss, að teknu tilliti til þess að hver geymsluhnút er með 40GB disk (3 hlaupandi hnútar, 1 tengdur hnútur):
df -hP
Filesystem Size Used Avail Use% Mounted on
172.26.9.184:/test/05236/e7298032e78749149dd83a1e366afb328811c95b 60G 3.6G 57G 6% /mnt/leofs
Uppsetning á LeoFS með 6 geymsluhnútum.
Birgðir (án byggingaraðila):
# 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_storage
Úttak leofs-adm staða
Úttak leofs-adm staða
[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
-------+----------------------+--------------+---------+----------------+----------------+----------------------------
Diskapláss, að teknu tilliti til þess að hver geymsluhnút er með 40GB disk (6 hlaupandi hnútar):
df -hP
Filesystem Size Used Avail Use% Mounted on
172.26.9.184:/test/05236/e7298032e78749149dd83a1e366afb328811c95b 120G 3.6G 117G 3% /mnt/leofs