f130ed9837
The example plugin's comments mentioned the namespace support limitation, awaiting kubectl to implement environment variable propagation. Now that 1.8 is out, the requirement is satisfied. This commit adds use of the conveyed namespace information to the plugin example. Fixes #55255
71 lines
1.4 KiB
Ruby
Executable File
71 lines
1.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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require 'json'
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require 'date'
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class Numeric
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def duration
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secs = self.to_int
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mins = secs / 60
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hours = mins / 60
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days = hours / 24
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if days > 0
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"#{days} days and #{hours % 24} hours"
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elsif hours > 0
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"#{hours} hours and #{mins % 60} minutes"
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elsif mins > 0
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"#{mins} minutes and #{secs % 60} seconds"
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elsif secs >= 0
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"#{secs} seconds"
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end
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end
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end
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namespace = ENV['KUBECTL_PLUGINS_CURRENT_NAMESPACE'] || 'default'
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pods_json = `kubectl --namespace #{namespace} get pods -o json`
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pods_parsed = JSON.parse(pods_json)
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puts "The Magnificent Aging Plugin."
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data = Hash.new
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max_name_length = 0
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max_age = 0
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min_age = 0
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pods_parsed['items'].each { |pod|
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name = pod['metadata']['name']
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creation = pod['metadata']['creationTimestamp']
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age = Time.now - DateTime.parse(creation).to_time
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data[name] = age
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if name.length > max_name_length
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max_name_length = name.length
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end
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if age > max_age
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max_age = age
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end
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if age < min_age
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min_age = age
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end
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}
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data = data.sort_by{ |name, age| age }
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if data.length > 0
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puts ""
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data.each { |name, age|
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output = ""
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output += name.rjust(max_name_length, ' ') + ": "
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bar_size = (age*80/max_age).ceil
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bar_size.times{ output += "▒" }
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output += " " + age.duration
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puts output
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puts ""
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}
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else
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puts "No pods"
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end
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