Add config option --enabled-only

That option can be used when calling the update subcommand. If the
option is set, only jobs which are enabled will be updated.
That is useful of there are a lot of disabled jobs which are not
required.

Change-Id: Ie2f268e2356a3b7e0a334a331696ca81e09790aa

jenkins_jobs/cli/subcommand/update.py

@@ -81,6 +81,14 @@ class UpdateSubCommand(base.BaseSubCommand):
             help="update existing jobs only",
         )
 
+        update.add_argument(
+            "--enabled-only",
+            action="store_true",
+            default=False,
+            dest="enabled_only",
+            help="update enabled jobs only",
+        )
+
         update_type = update.add_mutually_exclusive_group()
         update_type.add_argument(
             "-j",
@@ -133,6 +141,24 @@ class UpdateSubCommand(base.BaseSubCommand):
 
         builder, xml_jobs, xml_views = self._generate_xmljobs(options, jjb_config)
 
+        if options.enabled_only:
+            # filter out jobs which are disabled
+            xml_jobs_filtered = []
+            for xml_job in xml_jobs:
+                el = xml_job.xml.find("./disabled")
+                if el is not None:
+                    if el.text == "true":
+                        continue
+                    xml_jobs_filtered.append(xml_job)
+
+            logging.info(
+                "Will only deploy enabled jobs "
+                "(skipping {} disabled jobs)".format(
+                    len(xml_jobs) - len(xml_jobs_filtered)
+                )
+            )
+            xml_jobs = xml_jobs_filtered
+
         if options.update == "jobs":
             jobs, num_updated_jobs = builder.update_jobs(
                 xml_jobs,

tests/cmd/fixtures/cmd-002.yaml

@@ -1,16 +1,20 @@
 - job-template:
+    disabled: false
     name: 'bar001'
     description: 'My first job'
 
 - job-template:
+    disabled: false
     name: 'bar002'
     description: 'My second job'
 
 - job-template:
+    disabled: false
     name: 'baz001'
     description: 'My third job'
 
 - job-template:
+    disabled: true
     name: 'bam001'
     description: 'My fourth job'
 

tests/cmd/subcommands/test_update.py

@@ -45,6 +45,29 @@ def test_update_jobs(mocker, fixtures_dir, default_config_file, execute_jenkins_
     )
 
 
+def test_update_jobs_enabled_only(
+    mocker, fixtures_dir, default_config_file, execute_jenkins_jobs
+):
+    """
+    Test update_job is called with --enabled-only
+    """
+    mocker.patch("jenkins_jobs.builder.jenkins.Jenkins.job_exists")
+    mocker.patch("jenkins_jobs.builder.jenkins.Jenkins.get_all_jobs")
+    reconfig_job = mocker.patch("jenkins_jobs.builder.jenkins.Jenkins.reconfig_job")
+
+    path = fixtures_dir / "cmd-002.yaml"
+    args = ["--conf", default_config_file, "update", "--enabled-only", str(path)]
+
+    execute_jenkins_jobs(args)
+
+    reconfig_job.assert_has_calls(
+        [mock.call(job_name, mock.ANY) for job_name in ["bar001", "bar002", "baz001"]],
+        any_order=True,
+    )
+    # make sure that there are only those 3 calls checked before
+    assert len(reconfig_job.call_args_list) == 3
+
+
 def test_update_jobs_decode_job_output(
     mocker, fixtures_dir, default_config_file, execute_jenkins_jobs
 ):