kaivanov

Proficiency scale: Novice, Intermediate, Proficient

MG and MJ core infrastructure stack:

AWS (EC2, S3, Route53, IAM, NLB, etc) - Proficient 
Kafka - Proficient 
Zookeeper - Proficient 
Etcd - Proficient 
MongoDB - Proficient 
Elasticsearch - Proficient 

kaivanov

{
  "domain":{
    "id": "573d717af3b9c45de8c96ee0",
    "name": "taxify.eu",
    "sid": "9a49fa"},
  "tags": ["behavioural", "vero"],
  "timestamp": 1556217328.721777,
  "envelope": {
    "i-id": "5cc1fdf0b0536e0001754712",
    "sender": "postmaster@taxify.eu",

kaivanov

def parallel_run(self, command, compute_list, with_sudo, parallel_size):
    import paramiko
    client_key = paramiko.RSAKey.from_private_key_file('/home/someuser/.ssh/id.rsa')
    client = ParallelSSHClient(compute_list, pool_size=parallel_size, pkey=client_key, timeout=3, num_retries=1)
    try:
      output = client.run_command(command, sudo=with_sudo)
    except (AuthenticationException, UnknownHostException, SSHException, ConnectionErrorException) as conn_error:
      output = "Failed"
      self.logger.error(conn_error)
    

kaivanov

[root@servers ~] cat /etc/exports
/export 10.13.238.0/24(rw,fsid=0,insecure,no_subtree_check,sync)

kaivanov

[root@servers ~] lvdisplay
   --- Logical volume ---
  LV Name                /dev/raid10/drbd
  VG Name                raid10
  LV UUID                AZewL8-SB3A-3flE-zu3K-QDeZ-vkgU-e5Vv0j
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                290.00 GiB
  Current LE             74240

kaivanov

[root@servers ~] apt-get install nfs-kernel-server drbd8-utils heartbeat
[root@servers ~] update-rc.d -f nfs-kernel-server remove