Add facts for Java version and patch level

Author: Peter Souter

Gemfile

@@ -1,3 +1,3 @@
 source "https://rubygems.org"
 
-gem "cardboard", "~> 1.0"
+gem "cardboard"

Gemfile.lock

@@ -1,75 +1,80 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.3.5)
+    CFPropertyList (2.2.8)
+    addressable (2.3.6)
     ansi (1.4.3)
-    boxen (1.5.2)
+    boxen (2.7.0)
       ansi (~> 1.4)
       hiera (~> 1.0)
       highline (~> 1.6)
       json_pure (>= 1.7.7, < 2.0)
-      librarian-puppet (~> 0.9.9)
-      octokit (~> 1.15)
-      puppet (~> 3.0)
-    cardboard (1.0.4)
-      boxen (~> 1.0)
+      librarian-puppet (~> 1.0.0)
+      octokit (~> 2.7, >= 2.7.1)
+      puppet (~> 3.7)
+    cardboard (2.1.0)
+      boxen (~> 2.1)
       puppet-lint (~> 0.3)
       puppetlabs_spec_helper (~> 0.4)
-      rspec-puppet (~> 0.1)
-    diff-lcs (1.2.4)
-    facter (1.7.2)
-    faraday (0.8.8)
-      multipart-post (~> 1.2.0)
-    faraday_middleware (0.9.0)
-      faraday (>= 0.7.4, < 0.9)
-    hashie (2.0.5)
-    hiera (1.2.1)
+      rspec-puppet (~> 1.0)
+    diff-lcs (1.2.5)
+    facter (2.3.0)
+      CFPropertyList (~> 2.2.6)
+    faraday (0.9.0)
+      multipart-post (>= 1.2, < 3)
+    hiera (1.3.4)
       json_pure
-    highline (1.6.19)
-    json (1.8.0)
-    json_pure (1.8.0)
-    librarian-puppet (0.9.10)
-      json
+    highline (1.6.21)
+    json (1.8.1)
+    json_pure (1.8.1)
+    librarian (0.1.2)
+      highline
       thor (~> 0.15)
-    metaclass (0.0.1)
-    mocha (0.14.0)
+    librarian-puppet (1.0.9)
+      json
+      librarian (>= 0.1.2)
+    metaclass (0.0.4)
+    mocha (1.1.0)
       metaclass (~> 0.0.1)
-    multi_json (1.7.9)
-    multipart-post (1.2.0)
-    netrc (0.7.7)
-    octokit (1.25.0)
-      addressable (~> 2.2)
-      faraday (~> 0.8)
-      faraday_middleware (~> 0.9)
-      hashie (~> 2.0)
-      multi_json (~> 1.3)
-      netrc (~> 0.7.7)
-    puppet (3.2.4)
-      facter (~> 1.6)
+    multipart-post (2.0.0)
+    octokit (2.7.2)
+      sawyer (~> 0.5.2)
+    puppet (3.7.3)
+      facter (> 1.6, < 3)
       hiera (~> 1.0)
-      rgen (~> 0.6.5)
+      json_pure
     puppet-lint (0.3.2)
-    puppetlabs_spec_helper (0.4.1)
-      mocha (>= 0.10.5)
+    puppet-syntax (1.3.0)
       rake
-      rspec (>= 2.9.0)
-      rspec-puppet (>= 0.1.1)
-    rake (10.1.0)
-    rgen (0.6.5)
-    rspec (2.14.1)
-      rspec-core (~> 2.14.0)
-      rspec-expectations (~> 2.14.0)
-      rspec-mocks (~> 2.14.0)
-    rspec-core (2.14.5)
-    rspec-expectations (2.14.2)
-      diff-lcs (>= 1.1.3, < 2.0)
-    rspec-mocks (2.14.3)
-    rspec-puppet (0.1.6)
+    puppetlabs_spec_helper (0.8.2)
+      mocha
+      puppet-lint
+      puppet-syntax
+      rake
+      rspec
+      rspec-puppet
+    rake (10.4.2)
+    rspec (3.1.0)
+      rspec-core (~> 3.1.0)
+      rspec-expectations (~> 3.1.0)
+      rspec-mocks (~> 3.1.0)
+    rspec-core (3.1.7)
+      rspec-support (~> 3.1.0)
+    rspec-expectations (3.1.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.1.0)
+    rspec-mocks (3.1.3)
+      rspec-support (~> 3.1.0)
+    rspec-puppet (1.0.1)
       rspec
-    thor (0.18.1)
+    rspec-support (3.1.2)
+    sawyer (0.5.5)
+      addressable (~> 2.3.5)
+      faraday (~> 0.8, < 0.10)
+    thor (0.19.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  cardboard (~> 1.0)
+  cardboard

lib/facter/java_patch_level.rb

@@ -0,0 +1,23 @@
+# Fact: java_patch_level
+#
+# Purpose: get Java's patch level
+#
+# Resolution:
+#   Uses java_version fact
+#   Returns output of "java -version" and splits on the patch number (after _)
+#
+# Caveats:
+#   none
+#
+# Notes:
+#   None
+Facter.add(:java_patch_level) do
+  setcode do
+    java_version = Facter.value(:java_version)
+    if java_version.nil?
+      "NOT_INSTALLED"
+    else
+      java_patch_level = java_version.strip.split('_')[1]
+    end
+  end
+end

lib/facter/java_version.rb

@@ -0,0 +1,23 @@
+# Fact: java_version
+#
+# Purpose: store java versions in the config DB
+#
+# Resolution:
+#   tests for presence of java;
+#   returns output of "java -version" and splits on \n + '"'
+#
+# Caveats:
+#   none
+#
+# Notes:
+#   None
+Facter.add(:java_version) do
+  setcode do
+    t_java = Facter::Util::Resolution.exec("java -version 2>&1")
+    if t_java.nil?
+      java_version = "NOT_INSTALLED"
+    else
+      j_version = t_java.to_s.lines.first.strip.split(/version/)[1].gsub(/"/, "").strip
+    end
+  end
+end

spec/unit/facter/java_version_spec.rb

@@ -0,0 +1,33 @@
+require "spec_helper"
+
+describe Facter::Util::Fact do
+  before {
+    Facter.clear
+    allow(Facter::Util::Resolution).to receive(:exec).with(anything()).and_return(nil)
+    allow(Facter.fact(:kernel)).to receive(:value).and_return("Darwin")
+  }
+
+  describe "java_version" do
+    context 'returns java version when java present' do
+      it do
+        java_version_output = <<-EOS
+        java version "1.7.0_71"
+        Java(TM) SE Runtime Environment (build 1.7.0_71-b14)
+        Java HotSpot(TM) 64-Bit Server VM (build 24.71-b01, mixed mode)
+        EOS
+        allow(Facter::Util::Resolution).to receive(:exec).with("java -version 2>&1").
+        and_return(java_version_output)
+        Facter.fact(:java_version).value.should == "1.7.0_71"
+      end
+    end
+
+    context 'returns java version when java present' do
+      it do
+        java_version_output = "bash: java: command not found"
+        allow(Facter::Util::Resolution).to receive(:exec).with("java -version 2>&1").
+        and_return(java_version_output)
+        Facter.fact(:java_version).value.should == "NOT_INSTALLED"
+      end
+    end
+  end
+end