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# frozen_string_literal: true
#
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
Ohai.plugin(:Habitat) do
provides "habitat"
def fetch_habitat_version
shell_out(["hab"], ["-V"]).stdout.gsub(/hab\s*/, "").strip
rescue Ohai::Exceptions::Exec
logger.trace("Plugin Habitat: No detected version of hab binary found in PATH, skipping collection.")
end
def fetch_habitat_packages
shell_out(["hab", "pkg", "list", "--all"]).stdout.split.sort.select { |pkg| pkg.match?(%r{.*/.*/.*/.*}) }
rescue Ohai::Exceptions::Exec
logger.trace("Plugin Habitat: No detected version of hab binary found in PATH, skipping collection.")
end
def load_habitat_service_via_cli(status_stdout)
# package type desired state elapsed (s) pid group
# core/httpd/2.4.35/20190307151146 standalone up up 158169 1410 httpd.default
@services = []
lines = status_stdout.split("\n")
lines.each do |line|
@service = {}
fields = line.split(/\s+/)
next unless fields[0].match?(%r{.*/.*/.*/.*}) # ignore header line
@service = {}
@service[:identity] = fields[0]
@service[:topology] = fields[1]
@service[:state_desired] = fields[2]
@service[:state_actual] = fields[2]
(@services).push(@service)
end
@services
end
def fetch_habitat_services
services_shell_out = shell_out(["hab", "svc", "status"]).stdout
load_habitat_service_via_cli(services_shell_out) if services_shell_out
rescue Ohai::Exceptions::Exec
logger.trace("Plugin Habitat: No detected version of hab binary found in PATH, skipping collection.")
end
collect_data(:default) do
habitat Mash.new
habitat["version"] = fetch_habitat_version
habitat["packages"] = fetch_habitat_packages
habitat["services"] = fetch_habitat_services
end
end
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