1 files changed, 112 insertions, 0 deletions
diff --git a/chef-helpers/lib/chef-helpers/architecture.rb b/chef-helpers/lib/chef-helpers/architecture.rb
new file mode 100644
index 0000000000..47e8197116
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+++ b/chef-helpers/lib/chef-helpers/architecture.rb
@@ -0,0 +1,112 @@
+#
+# Copyright:: Copyright 2018-2018, Chef Software Inc.
+# 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.
+#
+
+module ChefHelpers
+  module Architecture
+    extend self
+
+    # Determine if the current architecture is 64-bit
+    #
+    # @return [Boolean]
+    #
+    def _64_bit?(node = Internal.getnode)
+      %w{amd64 x86_64 ppc64 ppc64le s390x ia64 sparc64 aarch64 arch64 arm64 sun4v sun4u}
+        .include?(node["kernel"]["machine"])
+    end
+
+    # Determine if the current architecture is 32-bit
+    #
+    # @return [Boolean]
+    #
+    def _32_bit?(node = Internal.getnode)
+      !_64_bit?(node)
+    end
+
+    # Determine if the current architecture is i386
+    #
+    # @return [Boolean]
+    #
+    def i386?(node = Internal.getnode)
+      _32_bit?(node) && intel?(node)
+    end
+
+    # Determine if the current architecture is Intel.
+    #
+    # @return [Boolean]
+    #
+    def intel?(node = Internal.getnode)
+      %w{i86pc i386 x86_64 amd64 i686}.include?(node["kernel"]["machine"])
+    end
+
+    # Determine if the current architecture is SPARC.
+    #
+    # @return [Boolean]
+    #
+    def sparc?(node = Internal.getnode)
+      %w{sun4u sun4v}.include?(node["kernel"]["machine"])
+    end
+
+    # Determine if the current architecture is Powerpc64 Big Endian
+    #
+    # @return [Boolean]
+    #
+    def ppc64?(node = Internal.getnode)
+      %w{ppc64}.include?(node["kernel"]["machine"])
+    end
+
+    # Determine if the current architecture is Powerpc64 Little Endian
+    #
+    # @return [Boolean]
+    #
+    def ppc64le?(node = Internal.getnode)
+      %w{ppc64le}.include?(node["kernel"]["machine"])
+    end
+
+    # Determine if the current architecture is PowerPC.
+    #
+    # @return [Boolean]
+    #
+    def powerpc?(node = Internal.getnode)
+      %w{powerpc}.include?(node["kernel"]["machine"])
+    end
+
+    # Determine if the current architecture is 32-bit ARM
+    #
+    # @return [Boolean]
+    #
+    def armhf?(node = Internal.getnode)
+      %w{armhf}.include?(node["kernel"]["machine"])
+    end
+
+    # Determine if the current architecture is s390x
+    #
+    # @return [Boolean]
+    #
+    def s390x?(node = Internal.getnode)
+      %w{s390x}.include?(node["kernel"]["machine"])
+    end
+
+    # Determine if the current architecture is s390
+    #
+    # @return [Boolean]
+    #
+    def s390?(node = Internal.getnode)
+      %w{s390}.include?(node["kernel"]["machine"])
+    end
+
+  end
+end