80 lines
3.1 KiB
Ruby
80 lines
3.1 KiB
Ruby
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#
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# Cookbook Name:: java
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# Provider:: alternatives
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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require 'chef/mixin/shell_out'
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include Chef::Mixin::ShellOut
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action :set do
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if new_resource.bin_cmds
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# I couldn't find a way to cleanly avoid repeating this variable declaration in both :set and :unset
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alternatives_cmd = node['platform_family'] == 'rhel' ? 'alternatives' : 'update-alternatives'
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new_resource.bin_cmds.each do |cmd|
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bin_path = "/usr/bin/#{cmd}"
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alt_path = "#{new_resource.java_location}/bin/#{cmd}"
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priority = new_resource.priority
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if !::File.exist?(alt_path)
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Chef::Log.debug "Skipping setting alternative for #{cmd}. Command #{alt_path} does not exist."
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next
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end
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# install the alternative if needed
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alternative_exists = shell_out("#{alternatives_cmd} --display #{cmd} | grep #{alt_path}").exitstatus == 0
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unless alternative_exists
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description = "Add alternative for #{cmd}"
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converge_by(description) do
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Chef::Log.debug "Adding alternative for #{cmd}"
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shell_out("rm /var/lib/alternatives/#{cmd}")
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install_cmd = shell_out("#{alternatives_cmd} --install #{bin_path} #{cmd} #{alt_path} #{priority}")
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unless install_cmd.exitstatus == 0
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Chef::Application.fatal!(%Q[ set alternative failed ])
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end
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end
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new_resource.updated_by_last_action(true)
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end
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# set the alternative if default
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if new_resource.default
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alternative_is_set = shell_out("#{alternatives_cmd} --display #{cmd} | grep \"link currently points to #{alt_path}\"").exitstatus == 0
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unless alternative_is_set
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description = "Set alternative for #{cmd}"
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converge_by(description) do
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Chef::Log.debug "Setting alternative for #{cmd}"
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set_cmd = shell_out("#{alternatives_cmd} --set #{cmd} #{alt_path}")
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unless set_cmd.exitstatus == 0
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Chef::Application.fatal!(%Q[ set alternative failed ])
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end
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end
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new_resource.updated_by_last_action(true)
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end
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end
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end
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end
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end
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action :unset do
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# I couldn't find a way to cleanly avoid repeating this variable declaration in both :set and :unset
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alternatives_cmd = node['platform_family'] == 'rhel' ? 'alternatives' : 'update-alternatives'
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new_resource.bin_cmds.each do |cmd|
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alt_path = "#{new_resource.java_location}/bin/#{cmd}"
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cmd = shell_out("#{alternatives_cmd} --remove #{cmd} #{alt_path}")
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if cmd.exitstatus == 0
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new_resource.updated_by_last_action(true)
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end
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end
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end
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