From 8cb27ae800df71ee816852df56cd2c861a0f0a0a Mon Sep 17 00:00:00 2001 From: Eric Wolinetz Date: Wed, 25 Oct 2017 20:45:34 -0500 Subject: Updating logging_facts to be able to pull values from config maps yaml files, use diffs to keep custom changes, white list certain settings when creating diffs --- .../tasks/patch_configmap_file.yaml | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 roles/openshift_logging/tasks/patch_configmap_file.yaml (limited to 'roles/openshift_logging/tasks/patch_configmap_file.yaml') diff --git a/roles/openshift_logging/tasks/patch_configmap_file.yaml b/roles/openshift_logging/tasks/patch_configmap_file.yaml new file mode 100644 index 000000000..30087fe6a --- /dev/null +++ b/roles/openshift_logging/tasks/patch_configmap_file.yaml @@ -0,0 +1,35 @@ +--- +## The purpose of this task file is to get a patch that is based on the diff +## between configmap_current_file and configmap_new_file. The module +## logging_patch takes the paths of two files to compare and also a list of +## variables whose line we exclude from the diffs. +## We then patch the new configmap file so that we can build a configmap +## using that file later. We then use oc apply to idempotenly modify any +## existing configmap. + +## The following variables are expected to be provided when including this task: +# __configmap_output -- This is provided to us from patch_configmap_files.yaml +# it is a dict of the configmap where configmap_current_file exists +# configmap_current_file -- The name of the data file in the __configmap_output +# configmap_new_file -- The path to the file that we intend to oc apply later +# we apply our generated patch to this file. +# configmap_protected_lines -- The list of variables to exclude from the diff + +- copy: + content: "{{ __configmap_output.results.results[0]['data'][configmap_current_file] }}" + dest: "{{ tempdir }}/current.yml" + +- logging_patch: + original_file: "{{ tempdir }}/current.yml" + new_file: "{{ configmap_new_file }}" + whitelist: "{{ configmap_protected_lines | default([]) }}" + register: patch_output + +- copy: + content: "{{ patch_output.raw_patch }}\n" + dest: "{{ tempdir }}/patch.patch" + when: patch_output.raw_patch | length > 0 + +- command: > + patch --force --quiet -u "{{ configmap_new_file }}" "{{ tempdir }}/patch.patch" + when: patch_output.raw_patch | length > 0 -- cgit v1.2.1