From 27c972f8c76266c8f43a9c35dbaaa041ef27ce89 Mon Sep 17 00:00:00 2001
From: Giuseppe Scrivano <gscrivan@redhat.com>
Date: Tue, 21 Feb 2017 15:01:51 +0100
Subject: lib_openshift: new module atomic_container
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
---
roles/lib_openshift/library/oc_atomic_container.py | 203 +++++++++++++++++++++
.../src/ansible/oc_atomic_container.py | 137 ++++++++++++++
roles/lib_openshift/src/doc/atomic_container | 36 ++++
roles/lib_openshift/src/sources.yml | 6 +
4 files changed, 382 insertions(+)
create mode 100644 roles/lib_openshift/library/oc_atomic_container.py
create mode 100644 roles/lib_openshift/src/ansible/oc_atomic_container.py
create mode 100644 roles/lib_openshift/src/doc/atomic_container
(limited to 'roles')
diff --git a/roles/lib_openshift/library/oc_atomic_container.py b/roles/lib_openshift/library/oc_atomic_container.py
new file mode 100644
index 000000000..d2620b4cc
--- /dev/null
+++ b/roles/lib_openshift/library/oc_atomic_container.py
@@ -0,0 +1,203 @@
+#!/usr/bin/env python
+# pylint: disable=missing-docstring
+# flake8: noqa: T001
+# ___ ___ _ _ ___ ___ _ _____ ___ ___
+# / __| __| \| | __| _ \ /_\_ _| __| \
+# | (_ | _|| .` | _|| / / _ \| | | _|| |) |
+# \___|___|_|\_|___|_|_\/_/_\_\_|_|___|___/_ _____
+# | \ / _ \ | \| |/ _ \_ _| | __| \_ _|_ _|
+# | |) | (_) | | .` | (_) || | | _|| |) | | | |
+# |___/ \___/ |_|\_|\___/ |_| |___|___/___| |_|
+#
+# Copyright 2016 Red Hat, Inc. and/or its affiliates
+# and other contributors as indicated by the @author tags.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# -*- -*- -*- Begin included fragment: doc/atomic_container -*- -*- -*-
+
+DOCUMENTATION = '''
+---
+module: oc_atomic_container
+short_description: Manage the container images on the atomic host platform
+description:
+ - Manage the container images on the atomic host platform
+ - Allows to execute the commands on the container images
+requirements:
+ - atomic
+ - "python >= 2.6"
+options:
+ name:
+ description:
+ - Name of the container
+ required: True
+ default: null
+ image:
+ description:
+ - The image to use to install the container
+ required: True
+ default: null
+ state:
+ description:
+ - State of the container
+ required: True
+ choices: ["latest", "absent", "latest", "rollback"]
+ default: "latest"
+ values:
+ description:
+ - Values for the installation of the container
+ required: False
+ default: None
+'''
+
+# -*- -*- -*- End included fragment: doc/atomic_container -*- -*- -*-
+
+# -*- -*- -*- Begin included fragment: ansible/oc_atomic_container.py -*- -*- -*-
+
+# pylint: disable=wrong-import-position,too-many-branches,invalid-name
+import json
+from ansible.module_utils.basic import AnsibleModule
+
+
+def _install(module, container, image, values_list):
+ ''' install a container using atomic CLI. values_list is the list of --set arguments.
+ container is the name given to the container. image is the image to use for the installation. '''
+ args = ['atomic', 'install', "--system", '--name=%s' % container] + values_list + [image]
+ rc, out, err = module.run_command(args, check_rc=False)
+ if rc != 0:
+ return rc, out, err, False
+ else:
+ changed = "Extracting" in out
+ return rc, out, err, changed
+
+def _uninstall(module, name):
+ ''' uninstall an atomic container by its name. '''
+ args = ['atomic', 'uninstall', name]
+ rc, out, err = module.run_command(args, check_rc=False)
+ return rc, out, err, False
+
+
+def do_install(module, container, image, values_list):
+ ''' install a container and exit the module. '''
+ rc, out, err, changed = _install(module, container, image, values_list)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ else:
+ module.exit_json(msg=out, changed=changed)
+
+
+def do_uninstall(module, name):
+ ''' uninstall a container and exit the module. '''
+ rc, out, err, changed = _uninstall(module, name)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ module.exit_json(msg=out, changed=changed)
+
+
+def do_update(module, container, old_image, image, values_list):
+ ''' update a container and exit the module. If the container uses a different
+ image than the current installed one, then first uninstall the old one '''
+
+ # the image we want is different than the installed one
+ if old_image != image:
+ rc, out, err, _ = _uninstall(module, container)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ return do_install(module, container, image, values_list)
+
+ # if the image didn't change, use "atomic containers update"
+ args = ['atomic', 'containers', 'update'] + values_list + [container]
+ rc, out, err = module.run_command(args, check_rc=False)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ else:
+ changed = "Extracting" in out
+ module.exit_json(msg=out, changed=changed)
+
+
+def do_rollback(module, name):
+ ''' move to the previous deployment of the container, if present, and exit the module. '''
+ args = ['atomic', 'containers', 'rollback', name]
+ rc, out, err = module.run_command(args, check_rc=False)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ else:
+ changed = "Rolling back" in out
+ module.exit_json(msg=out, changed=changed)
+
+
+def core(module):
+ ''' entrypoint for the module. '''
+ name = module.params['name']
+ image = module.params['image']
+ values = module.params['values']
+ state = module.params['state']
+
+ module.run_command_environ_update = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C')
+ out = {}
+ err = {}
+ rc = 0
+
+ values_list = ["--set=%s" % x for x in values] if values else []
+
+ args = ['atomic', 'containers', 'list', '--json', '--all', '-f', 'container=%s' % name]
+ rc, out, err = module.run_command(args, check_rc=False)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ return
+
+ containers = json.loads(out)
+ present = len(containers) > 0
+ old_image = containers[0]["image_name"] if present else None
+
+ if state == 'present' and present:
+ module.exit_json(msg=out, changed=False)
+ elif (state in ['latest', 'present']) and not present:
+ do_install(module, name, image, values_list)
+ elif state == 'latest':
+ do_update(module, name, old_image, image, values_list)
+ elif state == 'absent':
+ if not present:
+ module.exit_json(msg="", changed=False)
+ else:
+ do_uninstall(module, name)
+ elif state == 'rollback':
+ do_rollback(module, name)
+
+
+def main():
+ module = AnsibleModule(
+ argument_spec=dict(
+ name=dict(default=None, required=True),
+ image=dict(default=None, required=True),
+ state=dict(default='latest', choices=['present', 'absent', 'latest', 'rollback']),
+ values=dict(type='list', default=[]),
+ ),
+ )
+
+ # Verify that the platform supports atomic command
+ rc, _, err = module.run_command('atomic -v', check_rc=False)
+ if rc != 0:
+ module.fail_json(msg="Error in running atomic command", err=err)
+
+ try:
+ core(module)
+ except Exception as e: # pylint: disable=broad-except
+ module.fail_json(msg=str(e))
+
+
+if __name__ == '__main__':
+ main()
+
+# -*- -*- -*- End included fragment: ansible/oc_atomic_container.py -*- -*- -*-
diff --git a/roles/lib_openshift/src/ansible/oc_atomic_container.py b/roles/lib_openshift/src/ansible/oc_atomic_container.py
new file mode 100644
index 000000000..20d75cb63
--- /dev/null
+++ b/roles/lib_openshift/src/ansible/oc_atomic_container.py
@@ -0,0 +1,137 @@
+# pylint: skip-file
+# flake8: noqa
+
+# pylint: disable=wrong-import-position,too-many-branches,invalid-name
+import json
+from ansible.module_utils.basic import AnsibleModule
+
+
+def _install(module, container, image, values_list):
+ ''' install a container using atomic CLI. values_list is the list of --set arguments.
+ container is the name given to the container. image is the image to use for the installation. '''
+ args = ['atomic', 'install', "--system", '--name=%s' % container] + values_list + [image]
+ rc, out, err = module.run_command(args, check_rc=False)
+ if rc != 0:
+ return rc, out, err, False
+ else:
+ changed = "Extracting" in out
+ return rc, out, err, changed
+
+def _uninstall(module, name):
+ ''' uninstall an atomic container by its name. '''
+ args = ['atomic', 'uninstall', name]
+ rc, out, err = module.run_command(args, check_rc=False)
+ return rc, out, err, False
+
+
+def do_install(module, container, image, values_list):
+ ''' install a container and exit the module. '''
+ rc, out, err, changed = _install(module, container, image, values_list)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ else:
+ module.exit_json(msg=out, changed=changed)
+
+
+def do_uninstall(module, name):
+ ''' uninstall a container and exit the module. '''
+ rc, out, err, changed = _uninstall(module, name)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ module.exit_json(msg=out, changed=changed)
+
+
+def do_update(module, container, old_image, image, values_list):
+ ''' update a container and exit the module. If the container uses a different
+ image than the current installed one, then first uninstall the old one '''
+
+ # the image we want is different than the installed one
+ if old_image != image:
+ rc, out, err, _ = _uninstall(module, container)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ return do_install(module, container, image, values_list)
+
+ # if the image didn't change, use "atomic containers update"
+ args = ['atomic', 'containers', 'update'] + values_list + [container]
+ rc, out, err = module.run_command(args, check_rc=False)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ else:
+ changed = "Extracting" in out
+ module.exit_json(msg=out, changed=changed)
+
+
+def do_rollback(module, name):
+ ''' move to the previous deployment of the container, if present, and exit the module. '''
+ args = ['atomic', 'containers', 'rollback', name]
+ rc, out, err = module.run_command(args, check_rc=False)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ else:
+ changed = "Rolling back" in out
+ module.exit_json(msg=out, changed=changed)
+
+
+def core(module):
+ ''' entrypoint for the module. '''
+ name = module.params['name']
+ image = module.params['image']
+ values = module.params['values']
+ state = module.params['state']
+
+ module.run_command_environ_update = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C')
+ out = {}
+ err = {}
+ rc = 0
+
+ values_list = ["--set=%s" % x for x in values] if values else []
+
+ args = ['atomic', 'containers', 'list', '--json', '--all', '-f', 'container=%s' % name]
+ rc, out, err = module.run_command(args, check_rc=False)
+ if rc != 0:
+ module.fail_json(rc=rc, msg=err)
+ return
+
+ containers = json.loads(out)
+ present = len(containers) > 0
+ old_image = containers[0]["image_name"] if present else None
+
+ if state == 'present' and present:
+ module.exit_json(msg=out, changed=False)
+ elif (state in ['latest', 'present']) and not present:
+ do_install(module, name, image, values_list)
+ elif state == 'latest':
+ do_update(module, name, old_image, image, values_list)
+ elif state == 'absent':
+ if not present:
+ module.exit_json(msg="", changed=False)
+ else:
+ do_uninstall(module, name)
+ elif state == 'rollback':
+ do_rollback(module, name)
+
+
+def main():
+ module = AnsibleModule(
+ argument_spec=dict(
+ name=dict(default=None, required=True),
+ image=dict(default=None, required=True),
+ state=dict(default='latest', choices=['present', 'absent', 'latest', 'rollback']),
+ values=dict(type='list', default=[]),
+ ),
+ )
+
+ # Verify that the platform supports atomic command
+ rc, _, err = module.run_command('atomic -v', check_rc=False)
+ if rc != 0:
+ module.fail_json(msg="Error in running atomic command", err=err)
+
+ try:
+ core(module)
+ except Exception as e: # pylint: disable=broad-except
+ module.fail_json(msg=str(e))
+
+
+if __name__ == '__main__':
+ main()
diff --git a/roles/lib_openshift/src/doc/atomic_container b/roles/lib_openshift/src/doc/atomic_container
new file mode 100644
index 000000000..53fc40f36
--- /dev/null
+++ b/roles/lib_openshift/src/doc/atomic_container
@@ -0,0 +1,36 @@
+# flake8: noqa
+# pylint: skip-file
+
+DOCUMENTATION = '''
+---
+module: oc_atomic_container
+short_description: Manage the container images on the atomic host platform
+description:
+ - Manage the container images on the atomic host platform
+ - Allows to execute the commands on the container images
+requirements:
+ - atomic
+ - "python >= 2.6"
+options:
+ name:
+ description:
+ - Name of the container
+ required: True
+ default: null
+ image:
+ description:
+ - The image to use to install the container
+ required: True
+ default: null
+ state:
+ description:
+ - State of the container
+ required: True
+ choices: ["latest", "absent", "latest", "rollback"]
+ default: "latest"
+ values:
+ description:
+ - Values for the installation of the container
+ required: False
+ default: None
+'''
diff --git a/roles/lib_openshift/src/sources.yml b/roles/lib_openshift/src/sources.yml
index 6585b1258..a48fdf0c2 100644
--- a/roles/lib_openshift/src/sources.yml
+++ b/roles/lib_openshift/src/sources.yml
@@ -49,6 +49,12 @@ oc_adm_router.py:
- class/oc_adm_router.py
- ansible/oc_adm_router.py
+oc_atomic_container.py:
+- doc/generated
+- doc/license
+- doc/atomic_container
+- ansible/oc_atomic_container.py
+
oc_edit.py:
- doc/generated
- doc/license
--
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