Refs #32910: Add ability to enable content caching

Adds a flag to enable content caching via Redis. This is disabled
by default as its a new optional feature in Pulp 3.14.

README.md

@@ -10,7 +10,7 @@ All supported versions are listed below. For every supported version, acceptance
 
 Supported operating systems are listed in `metadata.json` but individual releases can divert from that. For example, if Pulpcore x.y drops EL7, it will still be listed in metadata.json until all versions supported by the module have dropped it. Similarly, if x.z adds support for EL9, it'll be listed in `metadata.json` and all versions that don't support EL9 will have a note.
 
-### Pulpcore 3.13
+### Pulpcore 3.14
 
 Only supported version.
 

manifests/init.pp

@@ -155,6 +155,12 @@
 # @param api_client_auth_cn_map
 #   Mapping of certificate common name and Pulp user to authenticate to Pulp API.
 #
+# @param pulp_cache_enable
+#   Enables Redis based content caching within the Pulp content app.
+#
+# @param pulp_cache_expires_ttl
+#   The number of seconds that content should be cached for.
+#
 # @example Default configuration
 #   include pulpcore
 #
@@ -204,6 +210,9 @@
   Integer[0] $content_service_worker_timeout = 90,
   Integer[0] $api_service_worker_timeout = 90,
   Hash[String[1], String[1]] $api_client_auth_cn_map = {},
+  Boolean $pulp_cache_enable = false,
+  Integer[0] $pulp_cache_expires_ttl = 60,
+  String[1] $pulp_cache_default_base_key = 'PULP_CACHE',
 ) {
   $settings_file = "${config_dir}/settings.py"
 

spec/classes/pulpcore_spec.rb

@@ -23,6 +23,8 @@
             .with_content(%r{ALLOWED_EXPORT_PATHS = \[\]})
             .with_content(%r{ALLOWED_IMPORT_PATHS = \["/var/lib/pulp/sync_imports"\]})
             .with_content(%r{ALLOWED_CONTENT_CHECKSUMS = \["sha224", "sha256", "sha384", "sha512"\]})
+            .with_content(%r{PULP_CACHE_ENABLED = False})
+            .with_content(%r{PULP_CACHE_SETTINGS = \{\n    'EXPIRES_TTL': 60,\n\}})
             .without_content(/sslmode/)
           is_expected.to contain_file('/etc/pulp')
           is_expected.to contain_file('/var/lib/pulp')

templates/settings.py.erb

@@ -43,3 +43,8 @@ ALLOWED_CONTENT_CHECKSUMS = <%= scope['pulpcore::allowed_content_checksums'] %>
 
 # Derive HTTP/HTTPS via the X-Forwarded-Proto header set by Apache
 SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
+
+PULP_CACHE_ENABLED = <%= scope['pulpcore::pulp_cache_enable'] ? 'True' : 'False' %>
+PULP_CACHE_SETTINGS = {
+    'EXPIRES_TTL': <%= scope['pulpcore::pulp_cache_expires_ttl'] %>,
+}