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Contents
module Kontena::Cli::Helpers
module HealthHelper
def health_icon(health)
case health
when nil
" "
when :ok
pastel.green('⊛')
when :warning
pastel.yellow('⊙')
when :error
pastel.red('⊗')
when :offline
pastel.dark('⊝')
else
fail "Invalid health=#{health}"
end
end
# Validate grid nodes configuration and status
#
# @param grid [Hash] get(/grids/:grid) => { ... }
# @param nodes [Array<Hash>] get(/grids/:grid/nodes)[nodes] => [ { ... } ]
# @return [Symbol] health
def grid_health(grid, nodes)
initial = grid['initial_size']
minimum = grid['initial_size'] / 2 + 1 # a majority is required for etcd quorum
online = nodes.select{|node| node['initial_member'] && node['connected']}
if online.length < minimum
return :error
elsif online.length < initial
return :warning
else
return :ok
end
end
# Validate grid node status based on the grid health
#
# @param node [Hash] GET /nodes/:grid/:node
# @param grid_health [Symbol] @see #grid_health
# @return [Symbol] health
def node_health(node, grid_health)
if node['initial_member']
return node['connected'] ? grid_health : :offline
else
return node['connected'] ? :ok : :offline
end
end
end
end
Version data entries
54 entries across 54 versions & 1 rubygems