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-rw-r--r--manifests/firewall.pp18
-rw-r--r--manifests/firewall/service_rules.pp38
2 files changed, 56 insertions, 0 deletions
diff --git a/manifests/firewall.pp b/manifests/firewall.pp
index 7698881..edcb5e7 100644
--- a/manifests/firewall.pp
+++ b/manifests/firewall.pp
@@ -86,6 +86,24 @@ class tripleo::firewall(
'stage' => 'runtime',
'firewall_settings' => $firewall_post_extras,
})
+
+ # Allow composable services to load their own custom
+ # example with Hiera.
+ # NOTE(dprince): In the future when we have a better hiera
+ # heat hook we might refactor this to use hiera's merging
+ # capabilities instead. Until then rolling up the flat service
+ # keys and dynamically creating firewall rules for each service
+ # will allow us to compose and should work fine.
+ #
+ # Each service can load its rules by using this form:
+ #
+ # tripleo.<service name with underscores>.firewall_rules:
+ # '300 allow custom application 1':
+ # dport: 999
+ # proto: udp
+ # action: accept
+ $service_names = reject(hiera('service_names', []), '^$')
+ tripleo::firewall::service_rules { $service_names: }
}
}
diff --git a/manifests/firewall/service_rules.pp b/manifests/firewall/service_rules.pp
new file mode 100644
index 0000000..4739f16
--- /dev/null
+++ b/manifests/firewall/service_rules.pp
@@ -0,0 +1,38 @@
+# Copyright 2016 Red Hat, Inc.
+#
+# 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.
+#
+# == Define: tripleo::firewall::service_rules
+#
+# Define used to create firewall rules for composable services.
+#
+# === Parameters:
+#
+# [*service_name*]
+# (optional) The service_name to load firewall rules for.
+# Defaults to $title
+#
+define tripleo::firewall::service_rules ($service_name = $title) {
+
+ $underscore_name = regsubst($service_name, '-', '_')
+
+ # This allows each composable service to load its own custom rules by
+ # creating its own flat hiera key named:
+ # tripleo.<service name with underscores>.firewall_rules
+ $service_firewall_rules = hiera("tripleo.${underscore_name}.firewall_rules", {})
+
+ if !empty($service_firewall_rules) {
+ create_resources('tripleo::firewall::rule', $service_firewall_rules)
+ }
+
+}