dnf_package fixes for RHEL8 (#8754)

dnf_package fixes for RHEL8

5 files changed, 32 insertions, 8 deletions

diff --git a/lib/chef/provider/package/dnf/dnf_helper.py b/lib/chef/provider/package/dnf/dnf_helper.py
index 501d6fceee..0859348212 100644
--- a/lib/chef/provider/package/dnf/dnf_helper.py
+++ b/lib/chef/provider/package/dnf/dnf_helper.py
@@ -14,8 +14,22 @@ def get_sack():
     global base
     if base is None:
         base = dnf.Base()
+        conf = base.conf
+        conf.read()
+        conf.installroot = '/'
+        subst = conf.substitutions
+        subst.update_from_etc(conf.installroot)
+        try:
+            base.init_plugins()
+            base.pre_configure_plugins()
+        except AttributeError:
+            pass
         base.read_all_repos()
-        base.fill_sack()
+        try:
+            base.configure_plugins()
+        except AttributeError:
+            pass
+        base.fill_sack(load_system_repo='auto')
     return base.sack
 
 # FIXME: leaks memory and does not work
diff --git a/lib/chef/resource/dnf_package.rb b/lib/chef/resource/dnf_package.rb
index c90e135335..d115c4d5a8 100644
--- a/lib/chef/resource/dnf_package.rb
+++ b/lib/chef/resource/dnf_package.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright 2016-2017, Chef Software Inc.
+# Copyright:: Copyright 2016-2019, Chef Software Inc.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -73,7 +73,7 @@ class Chef
         unless arg.nil?
           Chef.deprecated(:dnf_package_allow_downgrade, "the allow_downgrade property on the dnf_package provider is not used, DNF supports downgrades by default.")
         end
-        false
+        true
       end
     end
   end
diff --git a/spec/functional/resource/dnf_package_spec.rb b/spec/functional/resource/dnf_package_spec.rb
index 392c3d4012..0e7009f003 100644
--- a/spec/functional/resource/dnf_package_spec.rb
+++ b/spec/functional/resource/dnf_package_spec.rb
@@ -1,5 +1,5 @@
 #
-# Copyright:: Copyright 2016, Chef Software Inc.
+# Copyright:: Copyright 2016-2019, Chef Software Inc.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -190,8 +190,8 @@ describe Chef::Resource::RpmPackage, :requires_root, external: exclude_test do
         expect(shell_out("rpm -q chef_rpm").stdout.chomp).to eql("chef_rpm-1.10-1.x86_64")
       end
 
-      it "matches with a vr glob" do
-        pending "doesn't work on command line either"
+      # only works on rhel >= 8, was broken on old dnf
+      it "matches with a vr glob", :rhel_gte_8 do
         flush_cache
         dnf_package.package_name("chef_rpm")
         dnf_package.version("1.10-1*")
@@ -200,8 +200,8 @@ describe Chef::Resource::RpmPackage, :requires_root, external: exclude_test do
         expect(shell_out("rpm -q chef_rpm").stdout.chomp).to eql("chef_rpm-1.10-1.x86_64")
       end
 
-      it "matches with an evr glob" do
-        pending "doesn't work on command line either"
+      # only works on rhel >= 8, was broken on old dnf
+      it "matches with an evr glob", :rhel_gte_8 do
         flush_cache
         dnf_package.package_name("chef_rpm")
         dnf_package.version("0:1.10-1*")
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 9b54761df5..5ab97a8320 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -188,6 +188,8 @@ RSpec.configure do |config|
   config.filter_run_excluding rhel: true unless rhel?
   config.filter_run_excluding rhel6: true unless rhel6?
   config.filter_run_excluding rhel7: true unless rhel7?
+  config.filter_run_excluding rhel8: true unless rhel8?
+  config.filter_run_excluding rhel_gte_8: true unless rhel_gte_8?
   config.filter_run_excluding intel_64bit: true unless intel_64bit?
   config.filter_run_excluding not_rhel: true if rhel?
   config.filter_run_excluding not_rhel6: true if rhel6?
diff --git a/spec/support/platform_helpers.rb b/spec/support/platform_helpers.rb
index 509ca6e71e..0b13169ac1 100644
--- a/spec/support/platform_helpers.rb
+++ b/spec/support/platform_helpers.rb
@@ -175,6 +175,14 @@ def rhel7?
   rhel? && !!(ohai[:platform_version].to_i == 7)
 end
 
+def rhel8?
+  rhel? && !!(ohai[:platform_version].to_i == 8)
+end
+
+def rhel_gte_8?
+  rhel? && !!(ohai[:platform_version].to_i >= 8)
+end
+
 def debian_family?
   !!(ohai[:platform_family] == "debian")
 end