def make_ansible_command(hosts_file,
identifier,
extra_vars=None,
tags='',
skip_tags=''):
"""
This utility will compose the command needed to run ansible, capture its
stdout and stderr to a file
"""
playbook = get_playbook_path()
ansible_path = which('ansible-playbook')
if not extra_vars:
extra_vars = dict()
extra_vars = json.dumps(extra_vars)
cmd = [
ansible_path,
'-u',
'ceph-installer',
playbook,
'-i',
hosts_file,
"--extra-vars",
extra_vars,
]
if tags:
cmd.extend(['--tags', tags])
if skip_tags:
cmd.extend(['--skip-tags', skip_tags])
return cmd
def make_ansible_command(hosts_file, identifier, extra_vars=None, tags=""):
"""
This utility will compose the command needed to run ansible, capture its
stdout and stderr to a file
"""
playbook = get_playbook_path()
ansible_path = which("ansible-playbook")
if not extra_vars:
extra_vars = dict()
extra_vars = json.dumps(extra_vars)
return [ansible_path, "-i", hosts_file, "--extra-vars", extra_vars, "--tags", tags, playbook]
def call_ansible(component,
hosts,
identifier,
tags="",
skip_tags="",
extra_vars=None):
"""
This task builds an ansible-playbook command and runs it.
``component``: What component we're going to work with: mon, rgw, osd, calamari
``hosts``: A list of hosts to run ansible against, these host must be resolvable
``tags``: The tags as a comma-delimeted string that represents all the tags
this ansible call should follow. For example "package-install, other-tag"
``skip_tags``: The tags as a comma-delimeted string that represents all the tags
this ansible call should skip. For example "package-install, other-tag"
``identifier``: The UUID identifer for the task object so this function can capture process
metadata and persist it to the database
"""
if not extra_vars:
extra_vars = dict()
component_title = "%s%s" % (component,
'' if component.endswith('s') else 's')
hosts_file = util.generate_inventory_file(component_title, hosts,
identifier)
command = process.make_ansible_command(hosts_file,
identifier,
tags=tags,
extra_vars=extra_vars,
skip_tags=skip_tags)
task = models.Task.query.filter_by(identifier=identifier).first()
task.command = ' '.join(command)
task.started = datetime.now()
# force a commit here so we can reference this command later if it fails
models.commit()
working_dir = util.get_playbook_path()
working_dir = os.path.split(working_dir)[0]
# ansible depends on relative pathing to figure out how to load
# plugins, among other things. Setting the current working directory
# for this subprocess call to the directory where the playbook resides
# allows ansible to properly find action plugins defined in ceph-ansible.
kwargs = dict(cwd=working_dir)
out, err, exit_code = process.run(command, **kwargs)
task.succeeded = not exit_code
task.exit_code = exit_code
task.stdout = out
task.stderr = err
task.ended = datetime.now()
models.commit()
def call_ansible(component, hosts, identifier, tags="", skip_tags="", extra_vars=None):
"""
This task builds an ansible-playbook command and runs it.
``component``: What component we're going to work with: mon, rgw, osd, calamari
``hosts``: A list of hosts to run ansible against, these host must be resolvable
``tags``: The tags as a comma-delimeted string that represents all the tags
this ansible call should follow. For example "package-install, other-tag"
``skip_tags``: The tags as a comma-delimeted string that represents all the tags
this ansible call should skip. For example "package-install, other-tag"
``identifier``: The UUID identifer for the task object so this function can capture process
metadata and persist it to the database
"""
if not extra_vars:
extra_vars = dict()
component_title = "%s%s" % (component, '' if component.endswith('s') else 's')
hosts_file = util.generate_inventory_file(component_title, hosts, identifier)
command = process.make_ansible_command(hosts_file, identifier, tags=tags, extra_vars=extra_vars, skip_tags=skip_tags)
task = models.Task.query.filter_by(identifier=identifier).first()
task.command = ' '.join(command)
task.started = datetime.now()
# force a commit here so we can reference this command later if it fails
models.commit()
working_dir = util.get_playbook_path()
working_dir = os.path.split(working_dir)[0]
# ansible depends on relative pathing to figure out how to load
# plugins, among other things. Setting the current working directory
# for this subprocess call to the directory where the playbook resides
# allows ansible to properly find action plugins defined in ceph-ansible.
kwargs = dict(cwd=working_dir)
out, err, exit_code = process.run(command, **kwargs)
task.succeeded = not exit_code
task.exit_code = exit_code
task.stdout = out
task.stderr = err
task.ended = datetime.now()
models.commit()