From 9b760b0a89a77c5be0b3521a2c35b5afcb2a20d2 Mon Sep 17 00:00:00 2001 From: Andrew Butcher Date: Thu, 3 Dec 2015 14:09:42 -0500 Subject: Clean up idempotency issues with session secrets. --- filter_plugins/oo_filters.py | 19 ++++++--- playbooks/common/openshift-master/config.yml | 46 +++++++++++++--------- roles/openshift_master/tasks/main.yml | 11 +++++- roles/openshift_master/templates/master.yaml.v1.j2 | 2 + .../templates/sessionSecretsFile.yaml.v1.j2 | 6 +-- 5 files changed, 55 insertions(+), 29 deletions(-) diff --git a/filter_plugins/oo_filters.py b/filter_plugins/oo_filters.py index 48e27a24a..326c36f6c 100644 --- a/filter_plugins/oo_filters.py +++ b/filter_plugins/oo_filters.py @@ -8,12 +8,11 @@ Custom filters for use in openshift-ansible from ansible import errors from operator import itemgetter import OpenSSL.crypto -import os.path +import os import pdb import re import json - class FilterModule(object): ''' Custom ansible filters ''' @@ -366,9 +365,6 @@ class FilterModule(object): "keyfile": "/etc/origin/master/named_certificates/custom2.key", "names": [ "some-hostname.com" ] }] ''' - if not issubclass(type(certificates), list): - raise errors.AnsibleFilterError("|failed expects certificates is a list") - if not issubclass(type(named_certs_dir), unicode): raise errors.AnsibleFilterError("|failed expects named_certs_dir is unicode") @@ -468,6 +464,16 @@ class FilterModule(object): pass return clusters + @staticmethod + def oo_generate_secret(num_bytes): + ''' generate a session secret ''' + + if not issubclass(type(num_bytes), int): + raise errors.AnsibleFilterError("|failed expects num_bytes is int") + + secret = os.urandom(num_bytes) + return secret.encode('base-64').strip() + def filters(self): ''' returns a mapping of filters to methods ''' return { @@ -486,5 +492,6 @@ class FilterModule(object): "oo_parse_heat_stack_outputs": self.oo_parse_heat_stack_outputs, "oo_parse_named_certificates": self.oo_parse_named_certificates, "oo_haproxy_backend_masters": self.oo_haproxy_backend_masters, - "oo_pretty_print_cluster": self.oo_pretty_print_cluster + "oo_pretty_print_cluster": self.oo_pretty_print_cluster, + "oo_generate_secret": self.oo_generate_secret } diff --git a/playbooks/common/openshift-master/config.yml b/playbooks/common/openshift-master/config.yml index fae37d70c..07ee4aca6 100644 --- a/playbooks/common/openshift-master/config.yml +++ b/playbooks/common/openshift-master/config.yml @@ -236,29 +236,39 @@ - role: haproxy when: groups.oo_masters_to_config | length > 1 -- name: Generate master session keys +- name: Check for cached session secrets hosts: oo_first_master - tasks: + pre_tasks: - fail: msg: "Both openshift_master_session_auth_secrets and openshift_master_session_encryption_secrets must be provided if either variable is set" when: (openshift_master_session_auth_secrets is defined and openshift_master_session_encryption_secrets is not defined) or (openshift_master_session_encryption_secrets is defined and openshift_master_session_auth_secrets is not defined) - fail: msg: "openshift_master_session_auth_secrets and openshift_master_encryption_secrets must be equal length" when: (openshift_master_session_auth_secrets is defined and openshift_master_session_encryption_secrets is defined) and (openshift_master_session_auth_secrets | length != openshift_master_session_encryption_secrets | length) - - name: Install OpenSSL package - action: "{{ ansible_pkg_mgr }} name=openssl state=present" - when: not openshift.common.is_atomic | bool - - name: Generate session authentication key - command: /usr/bin/openssl rand -base64 24 - register: session_auth_output - when: openshift_master_session_auth_secrets is undefined - - name: Generate session encryption key - command: /usr/bin/openssl rand -base64 24 - register: session_encryption_output - when: openshift_master_session_encryption_secrets is undefined - - set_fact: - session_auth_secret: "{{ openshift_master_session_auth_secrets | default([session_auth_output.stdout]) }}" - session_encryption_secret: "{{ openshift_master_session_encryption_secrets | default([session_encryption_output.stdout]) }}" + roles: + - role: openshift_facts + post_tasks: + - openshift_facts: + role: master + local_facts: + session_auth_secrets: "{{ openshift_master_session_auth_secrets | default(openshift.master.session_auth_secrets | default(None)) }}" + session_encryption_secrets: "{{ openshift_master_session_encryption_secrets | default(openshift.master.session_encryption_secrets | default(None)) }}" + +- name: Generate master session secrets + hosts: oo_first_master + vars: + g_session_secrets_present: "{{ (openshift.master.session_auth_secrets | default([]) and openshift.master.session_encryption_secrets | default([])) | length > 0 }}" + g_session_auth_secrets: "{{ [ 24 | oo_generate_secret ] }}" + g_session_encryption_secrets: "{{ [ 24 | oo_generate_secret ] }}" + roles: + - role: openshift_facts + tasks: + - openshift_facts: + role: master + local_facts: + session_auth_secrets: "{{ g_session_auth_secrets }}" + session_encryption_secrets: "{{ g_session_encryption_secrets }}" + when: not g_session_secrets_present | bool - name: Parse named certificates hosts: localhost @@ -314,8 +324,8 @@ sync_tmpdir: "{{ hostvars.localhost.g_master_mktemp.stdout }}" openshift_master_ha: "{{ groups.oo_masters_to_config | length > 1 }}" openshift_master_count: "{{ groups.oo_masters_to_config | length }}" - openshift_master_session_auth_secrets: "{{ hostvars[groups['oo_first_master'][0]]['session_auth_secret'] }}" - openshift_master_session_encryption_secrets: "{{ hostvars[groups['oo_first_master'][0]]['session_encryption_secret'] }}" + openshift_master_session_auth_secrets: "{{ hostvars[groups.oo_first_master.0].openshift.master.session_auth_secrets }}" + openshift_master_session_encryption_secrets: "{{ hostvars[groups.oo_first_master.0].openshift.master.session_encryption_secrets }}" pre_tasks: - name: Ensure certificate directory exists file: diff --git a/roles/openshift_master/tasks/main.yml b/roles/openshift_master/tasks/main.yml index a22654678..1c7fdfcf9 100644 --- a/roles/openshift_master/tasks/main.yml +++ b/roles/openshift_master/tasks/main.yml @@ -9,6 +9,13 @@ Invalid OAuth grant method: {{ openshift_master_oauth_grant_method }} when: openshift_master_oauth_grant_method is defined and openshift_master_oauth_grant_method not in openshift_master_valid_grant_methods +# Session Options Validation +- fail: + msg: "Both openshift_master_session_auth_secrets and openshift_master_session_encryption_secrets must be provided if either variable is set" + when: (openshift_master_session_auth_secrets is defined and openshift_master_session_encryption_secrets is not defined) or (openshift_master_session_encryption_secrets is defined and openshift_master_session_auth_secrets is not defined) +- fail: + msg: "openshift_master_session_auth_secrets and openshift_master_encryption_secrets must be equal length" + when: (openshift_master_session_auth_secrets is defined and openshift_master_session_encryption_secrets is defined) and (openshift_master_session_auth_secrets | length != openshift_master_session_encryption_secrets | length) # HA Variable Validation - fail: @@ -55,9 +62,9 @@ portal_net: "{{ openshift_master_portal_net | default(None) }}" session_max_seconds: "{{ openshift_master_session_max_seconds | default(None) }}" session_name: "{{ openshift_master_session_name | default(None) }}" + session_secrets_file: "{{ openshift_master_session_secrets_file | default(None) }}" session_auth_secrets: "{{ openshift_master_session_auth_secrets | default(None) }}" session_encryption_secrets: "{{ openshift_master_session_encryption_secrets | default(None) }}" - session_secrets_file: "{{ openshift_master_session_secrets_file | default(None) }}" access_token_max_seconds: "{{ openshift_master_access_token_max_seconds | default(None) }}" auth_token_max_seconds: "{{ openshift_master_auth_token_max_seconds | default(None) }}" identity_providers: "{{ openshift_master_identity_providers | default(None) }}" @@ -221,7 +228,7 @@ template: dest: "{{ openshift.master.session_secrets_file }}" src: sessionSecretsFile.yaml.v1.j2 - force: no + when: openshift.master.session_auth_secrets is defined and openshift.master.session_encryption_secrets is defined notify: - restart master - restart master api diff --git a/roles/openshift_master/templates/master.yaml.v1.j2 b/roles/openshift_master/templates/master.yaml.v1.j2 index 5f73461d4..da3209970 100644 --- a/roles/openshift_master/templates/master.yaml.v1.j2 +++ b/roles/openshift_master/templates/master.yaml.v1.j2 @@ -127,7 +127,9 @@ oauthConfig: sessionConfig: sessionMaxAgeSeconds: {{ openshift.master.session_max_seconds }} sessionName: {{ openshift.master.session_name }} +{% if openshift.master.session_auth_secrets is defined and openshift.master.session_encryption_secrets is defined %} sessionSecretsFile: {{ openshift.master.session_secrets_file }} +{% endif %} tokenConfig: accessTokenMaxAgeSeconds: {{ openshift.master.access_token_max_seconds }} authorizeTokenMaxAgeSeconds: {{ openshift.master.auth_token_max_seconds }} diff --git a/roles/openshift_master/templates/sessionSecretsFile.yaml.v1.j2 b/roles/openshift_master/templates/sessionSecretsFile.yaml.v1.j2 index d12d9db90..3d4b573a9 100644 --- a/roles/openshift_master/templates/sessionSecretsFile.yaml.v1.j2 +++ b/roles/openshift_master/templates/sessionSecretsFile.yaml.v1.j2 @@ -1,7 +1,7 @@ apiVersion: v1 kind: SessionSecrets secrets: -{% for secret in openshift_master_session_auth_secrets %} -- authentication: "{{ openshift_master_session_auth_secrets[loop.index0] }}" - encryption: "{{ openshift_master_session_encryption_secrets[loop.index0] }}" +{% for secret in openshift.master.session_auth_secrets %} +- authentication: "{{ openshift.master.session_auth_secrets[loop.index0] }}" + encryption: "{{ openshift.master.session_encryption_secrets[loop.index0] }}" {% endfor %} -- cgit v1.2.3