diff options
Diffstat (limited to 'roles/openshift_preflight')
| -rw-r--r-- | roles/openshift_preflight/README.md | 53 | ||||
| l--------- | roles/openshift_preflight/common/library | 1 | ||||
| -rw-r--r-- | roles/openshift_preflight/common/tasks/main.yml | 22 | ||||
| -rw-r--r-- | roles/openshift_preflight/facts/tasks/main.yml | 7 | ||||
| l--------- | roles/openshift_preflight/masters/library | 1 | ||||
| -rw-r--r-- | roles/openshift_preflight/masters/tasks/main.yml | 47 | ||||
| l--------- | roles/openshift_preflight/nodes/library | 1 | ||||
| -rw-r--r-- | roles/openshift_preflight/nodes/tasks/main.yml | 57 | ||||
| -rw-r--r-- | roles/openshift_preflight/verify_status/callback_plugins/zz_failure_summary.py | 96 | ||||
| -rw-r--r-- | roles/openshift_preflight/verify_status/tasks/main.yml | 8 |
10 files changed, 293 insertions, 0 deletions
diff --git a/roles/openshift_preflight/README.md b/roles/openshift_preflight/README.md new file mode 100644 index 000000000..a3d734e32 --- /dev/null +++ b/roles/openshift_preflight/README.md @@ -0,0 +1,53 @@ +OpenShift Preflight Checks +========================== + +This role detects common problems prior to installing OpenShift. + +Requirements +------------ + +* Ansible 2.2+ + +Role Variables +-------------- + +None + +Dependencies +------------ + +None + +Example Playbook +---------------- + +```yaml +--- +- hosts: OSEv3 + gather_facts: no + roles: + - openshift_preflight/facts + +- hosts: OSEv3 + name: checks that apply to all hosts + gather_facts: no + ignore_errors: yes + roles: + - openshift_preflight/common + +- hosts: OSEv3 + name: verify check results + gather_facts: no + roles: + - openshift_preflight/verify_status +``` + +License +------- + +Apache License Version 2.0 + +Author Information +------------------ + +Customer Success team (dev@lists.openshift.redhat.com) diff --git a/roles/openshift_preflight/common/library b/roles/openshift_preflight/common/library new file mode 120000 index 000000000..ba40d2f56 --- /dev/null +++ b/roles/openshift_preflight/common/library @@ -0,0 +1 @@ +../../../library
\ No newline at end of file diff --git a/roles/openshift_preflight/common/tasks/main.yml b/roles/openshift_preflight/common/tasks/main.yml new file mode 100644 index 000000000..423b13586 --- /dev/null +++ b/roles/openshift_preflight/common/tasks/main.yml @@ -0,0 +1,22 @@ +--- +# check content available on all hosts +- when: + - not containerized + block: + + - name: determine if yum update will work + action: check_yum_update + register: r + + - set_fact: + oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'check content available on all hosts'})] }}" + + - name: determine if expected version matches what is available + aos_version: + version: "{{ openshift_release }}" + when: + - deployment_type == "openshift-enterprise" + register: r + + - set_fact: + oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'determine if expected version matches what is available'})] }}" diff --git a/roles/openshift_preflight/facts/tasks/main.yml b/roles/openshift_preflight/facts/tasks/main.yml new file mode 100644 index 000000000..15a108510 --- /dev/null +++ b/roles/openshift_preflight/facts/tasks/main.yml @@ -0,0 +1,7 @@ +--- +- name: set common variables + set_fact: + deployment_type: "{{ deployment_type | default('openshift-enterprise') }}" + containerized: "{{ containerized | default('no') | bool }}" + openshift_release: "{{ openshift_release | default('3.3') }}" + oo_preflight_check_results: "{{ oo_preflight_check_results | default([]) }}" diff --git a/roles/openshift_preflight/masters/library b/roles/openshift_preflight/masters/library new file mode 120000 index 000000000..ba40d2f56 --- /dev/null +++ b/roles/openshift_preflight/masters/library @@ -0,0 +1 @@ +../../../library
\ No newline at end of file diff --git a/roles/openshift_preflight/masters/tasks/main.yml b/roles/openshift_preflight/masters/tasks/main.yml new file mode 100644 index 000000000..ed42f69fa --- /dev/null +++ b/roles/openshift_preflight/masters/tasks/main.yml @@ -0,0 +1,47 @@ +--- +# determine if yum install of master pkgs will work +- when: + - not containerized + block: + + - name: main packages for enterprise + when: + - deployment_type == "openshift-enterprise" + check_yum_update: + packages: + - atomic-openshift + - atomic-openshift-clients + - atomic-openshift-master + register: r + + - set_fact: + oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'main packages for enterprise'})] }}" + + - name: main packages for origin + when: + - deployment_type == "origin" + check_yum_update: + packages: + - origin + - origin-clients + - origin-master + register: r + + - set_fact: + oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'main packages for origin'})] }}" + + - name: other master packages + check_yum_update: + packages: + - etcd + - bash-completion + - cockpit-bridge + - cockpit-docker + - cockpit-kubernetes + - cockpit-shell + - cockpit-ws + - httpd-tools + register: r + + - set_fact: + oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'other master packages'})] }}" diff --git a/roles/openshift_preflight/nodes/library b/roles/openshift_preflight/nodes/library new file mode 120000 index 000000000..ba40d2f56 --- /dev/null +++ b/roles/openshift_preflight/nodes/library @@ -0,0 +1 @@ +../../../library
\ No newline at end of file diff --git a/roles/openshift_preflight/nodes/tasks/main.yml b/roles/openshift_preflight/nodes/tasks/main.yml new file mode 100644 index 000000000..16c7212d4 --- /dev/null +++ b/roles/openshift_preflight/nodes/tasks/main.yml @@ -0,0 +1,57 @@ +--- +# determine if yum install of node pkgs will work +- when: + - not containerized + block: + + - name: main packages for enterprise + when: + - deployment_type == "openshift-enterprise" + check_yum_update: + packages: + - atomic-openshift + - atomic-openshift-node + - atomic-openshift-sdn-ovs + register: r + + - set_fact: + oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'main packages for enterprise'})] }}" + + - name: main packages for origin + when: + - deployment_type == "origin" + check_yum_update: + packages: + - origin + - origin-node + - origin-sdn-ovs + register: r + + - set_fact: + oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'main packages for origin'})] }}" + + - name: other node packages + check_yum_update: + packages: + - docker + - PyYAML + - firewalld + - iptables + - iptables-services + - nfs-utils + - ntp + - yum-utils + - dnsmasq + - libselinux-python + - ceph-common + - glusterfs-fuse + - iscsi-initiator-utils + - pyparted + - python-httplib2 + - openssl + - flannel + - bind + register: r + + - set_fact: + oo_preflight_check_results: "{{ oo_preflight_check_results + [r|combine({'_task': 'other node packages'})] }}" diff --git a/roles/openshift_preflight/verify_status/callback_plugins/zz_failure_summary.py b/roles/openshift_preflight/verify_status/callback_plugins/zz_failure_summary.py new file mode 100644 index 000000000..180ed8d8f --- /dev/null +++ b/roles/openshift_preflight/verify_status/callback_plugins/zz_failure_summary.py @@ -0,0 +1,96 @@ +# vim: expandtab:tabstop=4:shiftwidth=4 +''' +Ansible callback plugin. +''' + +from ansible.plugins.callback import CallbackBase +from ansible import constants as C +from ansible.utils.color import stringc + + +class CallbackModule(CallbackBase): + ''' + This callback plugin stores task results and summarizes failures. + The file name is prefixed with `zz_` to make this plugin be loaded last by + Ansible, thus making its output the last thing that users see. + ''' + + CALLBACK_VERSION = 2.0 + CALLBACK_TYPE = 'aggregate' + CALLBACK_NAME = 'failure_summary' + CALLBACK_NEEDS_WHITELIST = False + + def __init__(self): + super(CallbackModule, self).__init__() + self.__failures = [] + + def v2_runner_on_failed(self, result, ignore_errors=False): + super(CallbackModule, self).v2_runner_on_failed(result, ignore_errors) + self.__failures.append(dict(result=result, ignore_errors=ignore_errors)) + + def v2_playbook_on_stats(self, stats): + super(CallbackModule, self).v2_playbook_on_stats(stats) + # TODO: update condition to consider a host var or env var to + # enable/disable the summary, so that we can control the output from a + # play. + if self.__failures: + self._print_failure_summary() + + def _print_failure_summary(self): + '''Print a summary of failed tasks (including ignored failures).''' + self._display.display(u'\nFailure summary:\n') + + # TODO: group failures by host or by task. If grouped by host, it is + # easy to see all problems of a given host. If grouped by task, it is + # easy to see what hosts needs the same fix. + + width = len(str(len(self.__failures))) + initial_indent_format = u' {{:>{width}}}. '.format(width=width) + initial_indent_len = len(initial_indent_format.format(0)) + subsequent_indent = u' ' * initial_indent_len + subsequent_extra_indent = u' ' * (initial_indent_len + 10) + + for i, failure in enumerate(self.__failures, 1): + lines = _format_failure(failure) + self._display.display(u'\n{}{}'.format(initial_indent_format.format(i), lines[0])) + for line in lines[1:]: + line = line.replace(u'\n', u'\n' + subsequent_extra_indent) + indented = u'{}{}'.format(subsequent_indent, line) + self._display.display(indented) + + +# Reason: disable pylint protected-access because we need to access _* +# attributes of a task result to implement this method. +# Status: permanently disabled unless Ansible's API changes. +# pylint: disable=protected-access +def _format_failure(failure): + '''Return a list of pretty-formatted lines describing a failure, including + relevant information about it. Line separators are not included.''' + result = failure['result'] + host = result._host.get_name() + play = _get_play(result._task) + if play: + play = play.get_name() + task = result._task.get_name() + msg = result._result.get('msg', u'???') + rows = ( + (u'Host', host), + (u'Play', play), + (u'Task', task), + (u'Message', stringc(msg, C.COLOR_ERROR)), + ) + row_format = '{:10}{}' + return [row_format.format(header + u':', body) for header, body in rows] + + +# Reason: disable pylint protected-access because we need to access _* +# attributes of obj to implement this function. +# This is inspired by ansible.playbook.base.Base.dump_me. +# Status: permanently disabled unless Ansible's API changes. +# pylint: disable=protected-access +def _get_play(obj): + '''Given a task or block, recursively tries to find its parent play.''' + if hasattr(obj, '_play'): + return obj._play + if getattr(obj, '_parent'): + return _get_play(obj._parent) diff --git a/roles/openshift_preflight/verify_status/tasks/main.yml b/roles/openshift_preflight/verify_status/tasks/main.yml new file mode 100644 index 000000000..36ccf648a --- /dev/null +++ b/roles/openshift_preflight/verify_status/tasks/main.yml @@ -0,0 +1,8 @@ +--- +- name: find check failures + set_fact: + oo_preflight_check_failures: "{{ oo_preflight_check_results | select('failed', 'equalto', True) | list }}" + +- name: ensure all checks succeed + action: fail + when: oo_preflight_check_failures |