Handle sysv compat mode when checking enabled status for systemd service

Signed-off-by: Joshua Miller <joshmiller@fb.com>

2 files changed, 27 insertions, 0 deletions

diff --git a/lib/chef/provider/service/systemd.rb b/lib/chef/provider/service/systemd.rb
index 9b0cf3abd8..f8fac18bc3 100644
--- a/lib/chef/provider/service/systemd.rb
+++ b/lib/chef/provider/service/systemd.rb
@@ -202,6 +202,11 @@ class Chef::Provider::Service::Systemd < Chef::Provider::Service::Simple
   end
 
   def is_enabled?
+    # if the service is in sysv compat mode, shellout to determine if enabled
+    if systemd_service_status["UnitFileState"] == "bad"
+      options, args = get_systemctl_options_args
+      return shell_out(systemctl_path, args, "is-enabled", new_resource.service_name, "--quiet", **options).exitstatus == 0
+    end
     # See https://github.com/systemd/systemd/blob/master/src/systemctl/systemctl-is-enabled.c
     # Note: enabled-runtime is excluded because this is volatile, and the state of enabled-runtime
     # specifically means that the service is not enabled
diff --git a/spec/unit/provider/service/systemd_service_spec.rb b/spec/unit/provider/service/systemd_service_spec.rb
index 34b8094974..ed6e3f989e 100644
--- a/spec/unit/provider/service/systemd_service_spec.rb
+++ b/spec/unit/provider/service/systemd_service_spec.rb
@@ -412,6 +412,28 @@ describe Chef::Provider::Service::Systemd do
           with_systemctl_show(systemctl_path, enabled_runtime_and_active)
           expect(provider.is_enabled?).to be false
         end
+
+        it "should shellout to 'is-enabled' and return false if unit file is bad and sysv compat isn't enabled" do
+          bad_and_inactive = <<-STDOUT
+            ActiveState=inactive
+            UnitFileState=bad
+          STDOUT
+          with_systemctl_show(systemctl_path, bad_and_inactive)
+          systemctl_isenabled = [systemctl_path, "--system", "is-enabled", service_name, "--quiet"]
+          expect(provider).to receive(:shell_out).with(*systemctl_isenabled).and_return(shell_out_failure)
+          expect(provider.is_enabled?).to be false
+        end
+
+        it "should shellout to 'is-enabled' and return true if unit file is bad and sysv compat is enabled" do
+          bad_and_inactive = <<-STDOUT
+            ActiveState=inactive
+            UnitFileState=bad
+          STDOUT
+          with_systemctl_show(systemctl_path, bad_and_inactive)
+          systemctl_isenabled = [systemctl_path, "--system", "is-enabled", service_name, "--quiet"]
+          expect(provider).to receive(:shell_out).with(*systemctl_isenabled).and_return(shell_out_success)
+          expect(provider.is_enabled?).to be true
+        end
       end
 
       describe "is_masked?" do