From e18a06d2a14c5933243773f0aca7a891177f3e40 Mon Sep 17 00:00:00 2001 From: Michael Gugino Date: Thu, 18 Jan 2018 13:12:33 -0500 Subject: Add ability to mount volumes into system container nodes This commit adds the ability to mount volumes into system containerized nodes. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1534933 --- roles/lib_utils/filter_plugins/oo_filters.py | 14 ++++++++++++++ roles/openshift_node/defaults/main.yml | 12 ++++++++++++ roles/openshift_node/tasks/node_system_container.yml | 19 +++++++++++++++++++ 3 files changed, 45 insertions(+) diff --git a/roles/lib_utils/filter_plugins/oo_filters.py b/roles/lib_utils/filter_plugins/oo_filters.py index 9f73510c4..ef996fefe 100644 --- a/roles/lib_utils/filter_plugins/oo_filters.py +++ b/roles/lib_utils/filter_plugins/oo_filters.py @@ -4,6 +4,7 @@ """ Custom filters for use in openshift-ansible """ +import json import os import pdb import random @@ -586,6 +587,18 @@ that result to this filter plugin. return secret_name +def lib_utils_oo_l_of_d_to_csv(input_list): + """Map a list of dictionaries, input_list, into a csv string + of json values. + + Example input: + [{'var1': 'val1', 'var2': 'val2'}, {'var1': 'val3', 'var2': 'val4'}] + Example output: + u'{"var1": "val1", "var2": "val2"},{"var1": "val3", "var2": "val4"}' + """ + return ','.join(json.dumps(x) for x in input_list) + + def map_from_pairs(source, delim="="): ''' Returns a dict given the source and delim delimited ''' if source == '': @@ -623,5 +636,6 @@ class FilterModule(object): "lib_utils_oo_contains_rule": lib_utils_oo_contains_rule, "lib_utils_oo_selector_to_string_list": lib_utils_oo_selector_to_string_list, "lib_utils_oo_filter_sa_secrets": lib_utils_oo_filter_sa_secrets, + "lib_utils_oo_l_of_d_to_csv": lib_utils_oo_l_of_d_to_csv, "map_from_pairs": map_from_pairs } diff --git a/roles/openshift_node/defaults/main.yml b/roles/openshift_node/defaults/main.yml index c1fab4382..5d33e1323 100644 --- a/roles/openshift_node/defaults/main.yml +++ b/roles/openshift_node/defaults/main.yml @@ -71,6 +71,18 @@ r_openshift_node_use_firewalld: "{{ os_firewall_use_firewalld | default(False) } l_is_node_system_container: "{{ (openshift_use_node_system_container | default(openshift_use_system_containers | default(false)) | bool) }}" +openshift_node_syscon_auth_mounts_l: +- type: bind + source: "{{ oreg_auth_credentials_path }}" + destination: "/root/.docker" + options: + - ro + +# If we need to add new mounts in the future, or the user wants to mount data. +# This should be in the same format as auth_mounts_l above. +openshift_node_syscon_add_mounts_l: [] + + openshift_deployment_type: "{{ openshift_deployment_type | default('origin') }}" openshift_node_image_dict: diff --git a/roles/openshift_node/tasks/node_system_container.yml b/roles/openshift_node/tasks/node_system_container.yml index 06b879050..008f209d7 100644 --- a/roles/openshift_node/tasks/node_system_container.yml +++ b/roles/openshift_node/tasks/node_system_container.yml @@ -14,4 +14,23 @@ - "DNS_DOMAIN={{ openshift.common.dns_domain }}" - "DOCKER_SERVICE={{ openshift_docker_service_name }}.service" - "MASTER_SERVICE={{ openshift_service_type }}.service" + - 'ADDTL_MOUNTS={{ l_node_syscon_add_mounts2 }}' state: latest + vars: + # We need to evaluate some variables here to ensure + # l_bind_docker_reg_auth is evaluated after registry_auth.yml has been + # processed. + + # Determine if we want to include auth credentials mount. + l_node_syscon_auth_mounts_l: "{{ l_bind_docker_reg_auth | ternary(openshift_node_syscon_auth_mounts_l,[]) }}" + + # Join any user-provided mounts and auth_mounts into a combined list. + l_node_syscon_add_mounts_l: "{{ openshift_node_syscon_add_mounts_l | union(l_node_syscon_auth_mounts_l) }}" + + # We must prepend a ',' here to ensure the value is inserted properly into an + # existing json list in the container's config.json + # lib_utils_oo_l_of_d_to_csv is a custom filter plugin in roles/lib_utils/oo_filters.py + l_node_syscon_add_mounts: ",{{ l_node_syscon_add_mounts_l | lib_utils_oo_l_of_d_to_csv }}" + # if we have just a ',' then both mount lists were empty, we don't want to add + # anything to config.json + l_node_syscon_add_mounts2: "{{ (l_node_syscon_add_mounts != ',') | bool | ternary(l_node_syscon_add_mounts,'') }}" -- cgit v1.2.3