dmytrotkk

random_emoji() {
     emojis=(📚 🚀 🐍 🌎 🎉 🎸 🌈 💻 🌿 🍀 🌝 🍊)
     selectedexpression=${emojis[$RANDOM % ${#emojis[@]} ]}
     echo $selectedexpression
}

export PS1="$(random_emoji) $ "

dmytrotkk

cp ./convoy_example.service /etc/systemd/system/convoy.service
systemctl enable convoy
systemctl start convoy

dmytrotkk

# install convoy

wget https://github.com/rancher/convoy/releases/download/v0.5.2/convoy.tar.gz
tar xvzf convoy.tar.gz
sudo cp convoy/convoy convoy/convoy-pdata_tools /usr/local/bin/
sudo mkdir -p /etc/docker/plugins/
sudo bash -c 'echo "unix:///var/run/convoy/convoy.sock" > /etc/docker/plugins/convoy.spec'

# download and execute preparation script

dmytrotkk

docker volume create --driver convoy --opt size=100m test

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[Unit]
Description=Convoy volume management service
After=network.target
StartLimitIntervalSec=0

[Service]
Type=simple
Restart=always
RestartSec=5
ExecStart=convoy daemon --drivers devicemapper --driver-opts dm.datadev=$DISK_MOUNTPOINT\1 --driver-opts dm.metadatadev=$DISK_MOUNTPOINT\2

dmytrotkk

convoy daemon --drivers devicemapper --driver-opts dm.datadev=$DISK_MOUNTPOINT\1 --driver-opts dm.metadatadev=$DISK_MOUNTPOINT\2 &

dmytrotkk

wget https://raw.githubusercontent.com/rancher/convoy/master/tools/dm_dev_partition.sh
bash dm_dev_partition.sh --write-to-disk $DISK_MOUNTPOINT

dmytrotkk

wget https://github.com/rancher/convoy/releases/download/v0.5.2/convoy.tar.gz
tar xvzf convoy.tar.gz
sudo cp convoy/convoy convoy/convoy-pdata_tools /usr/local/bin/
sudo mkdir -p /etc/docker/plugins/
sudo bash -c 'echo "unix:///var/run/convoy/convoy.sock" > /etc/docker/plugins/convoy.spec'

dmytrotkk

Checking permissions in Rails

What we will use:

• CanCan - Authorization Gem for Ruby on Rails (https://github.com/ryanb/cancan)
• Response module (will be covered later)

Let's just start with an example

Let's suppose that you have a method do_something, which could be preformed only by user who's matching permissions view_payment_info, if options[:some_key] isn't

dmytrotkk

Organizing lib directory with static services

base_service.rb

    module Core end

    module Core::BaseService
 extend self