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Message #30009
[Merge] ~jugmac00/launchpad-layers:split-out-turnip-layers into launchpad-layers:main
Jürgen Gmach has proposed merging ~jugmac00/launchpad-layers:split-out-turnip-layers into launchpad-layers:main.
Commit message:
Split out turnip layers
Requested reviews:
Launchpad code reviewers (launchpad-reviewers)
For more details, see:
https://code.launchpad.net/~jugmac00/launchpad-layers/+git/launchpad-layers/+merge/442958
--
Your team Launchpad code reviewers is requested to review the proposed merge of ~jugmac00/launchpad-layers:split-out-turnip-layers into launchpad-layers:main.
diff --git a/turnip-base/config.yaml b/turnip-base/config.yaml
new file mode 100644
index 0000000..1919b6d
--- /dev/null
+++ b/turnip-base/config.yaml
@@ -0,0 +1,93 @@
+options:
+ build_label:
+ type: string
+ default: ""
+ description: Build label to run.
+ nagios_context:
+ default: "juju"
+ type: string
+ description: |
+ Used by the nrpe-external-master subordinate charm.
+ A string that will be prepended to instance name to set the host name
+ in nagios. So for instance the hostname would be something like -
+ juju-turnip-0
+ If you're running multiple environments with the same services in them
+ this allows you to differentiate between them.
+ base_dir:
+ type: string
+ default: '/srv/turnip'
+ description: Root checkout/srv directory.
+ user:
+ type: string
+ default: turnip
+ description: The service will run as this user.
+ user_id:
+ type: int
+ default: 1002
+ description: >
+ The service user will be created with this ID. Fixing this value
+ ensures that a storage volume can be used consistently across multiple
+ units.
+ group:
+ type: string
+ default: turnip
+ description: The service will run under this group.
+ group_id:
+ type: int
+ default: 1002
+ description: >
+ The service group will be created with this ID. Fixing this value
+ ensures that a storage volume can be used consistently across multiple
+ units.
+ log_hosts_allow:
+ type: string
+ default: ""
+ description: >
+ Hosts that should be allowed to rsync logs. Note that this relies on
+ basenode.
+ swift_username:
+ type: string
+ default: ""
+ description: Username to use when accessing Swift.
+ swift_password:
+ type: string
+ default: ""
+ description: Password to use when accessing Swift.
+ swift_auth_url:
+ type: string
+ default: ""
+ description: URL for authenticating against Keystone.
+ swift_storage_url:
+ type: string
+ default: ""
+ description: URL for fetching from Swift (for anonymous access).
+ swift_region_name:
+ type: string
+ default: ""
+ description: Swift region.
+ swift_tenant_name:
+ type: string
+ default: ""
+ description: Entity that owns resources.
+ swift_container_name:
+ type: string
+ default: ""
+ description: Container to put objects in.
+ haproxy_service_options:
+ type: string
+ description: HAProxy service options.
+ default: |
+ - mode tcp
+ - option tcplog
+ - balance leastconn
+ haproxy_server_options:
+ type: string
+ description: HAProxy server options.
+ default: check
+ # layer-apt
+ install_sources:
+ default: |
+ - ppa:launchpad/ppa
+ install_keys:
+ default: |
+ - null # PPA keys securely added via Launchpad.
diff --git a/turnip-base/copyright b/turnip-base/copyright
new file mode 100644
index 0000000..605c5df
--- /dev/null
+++ b/turnip-base/copyright
@@ -0,0 +1,676 @@
+turnip is Copyright 2014-2018 Canonical Ltd.
+
+Canonical Ltd ("Canonical") distributes the turnip source code
+under the GNU Affero General Public License, version 3 ("AGPLv3").
+The full text of this licence is given below.
+
+Third-party copyright in this distribution is noted where applicable.
+
+All rights not expressly granted are reserved.
+
+=========================================================================
+
+ GNU AFFERO GENERAL PUBLIC LICENSE
+ Version 3, 19 November 2007
+ (http://www.gnu.org/licenses/agpl.html)
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all. For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+ 13. Remote Network Interaction; Use with the GNU General Public License.
+
+ Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
+Source of your version by providing access to the Corresponding Source
+from a network server at no charge, through some standard or customary
+means of facilitating copying of software. This Corresponding Source
+shall include the Corresponding Source for any work covered by version 3
+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+ Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work. The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+ 14. Revised Versions of this License.
+
+ The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time. Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+ Each version is given a distinguishing version number. If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation. If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+ If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+ Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+ 15. Disclaimer of Warranty.
+
+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.
+
+=========================================================================
diff --git a/turnip-base/icon.svg b/turnip-base/icon.svg
new file mode 100644
index 0000000..b7920cc
--- /dev/null
+++ b/turnip-base/icon.svg
@@ -0,0 +1,159 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+ xmlns:dc="http://purl.org/dc/elements/1.1/";
+ xmlns:cc="http://creativecommons.org/ns#";
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+ xmlns:svg="http://www.w3.org/2000/svg";
+ xmlns="http://www.w3.org/2000/svg";
+ xmlns:xlink="http://www.w3.org/1999/xlink";
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+ width="100px"
+ height="100px"
+ viewBox="0 0 100 100"
+ version="1.1"
+ id="svg18"
+ sodipodi:docname="lp-charm-icon.svg"
+ inkscape:version="0.92.3 (2405546, 2018-03-11)">
+ <metadata
+ id="metadata22">
+ <rdf:RDF>
+ <cc:Work
+ rdf:about="">
+ <dc:format>image/svg+xml</dc:format>
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+ <dc:title>eclispe-che</dc:title>
+ </cc:Work>
+ </rdf:RDF>
+ </metadata>
+ <sodipodi:namedview
+ pagecolor="#ffffff"
+ bordercolor="#666666"
+ borderopacity="1"
+ objecttolerance="10"
+ gridtolerance="10"
+ guidetolerance="10"
+ inkscape:pageopacity="0"
+ inkscape:pageshadow="2"
+ inkscape:window-width="1920"
+ inkscape:window-height="1016"
+ id="namedview20"
+ showgrid="false"
+ inkscape:pagecheckerboard="true"
+ inkscape:zoom="1.668772"
+ inkscape:cx="29.156684"
+ inkscape:cy="41.621867"
+ inkscape:window-x="0"
+ inkscape:window-y="27"
+ inkscape:window-maximized="1"
+ inkscape:current-layer="layer2"
+ inkscape:snap-bbox="false"
+ inkscape:snap-bbox-midpoints="true"
+ inkscape:snap-object-midpoints="true" />
+ <!-- Generator: Sketch 45.2 (43514) - http://www.bohemiancoding.com/sketch -->
+ <title
+ id="title2">eclispe-che</title>
+ <desc
+ id="desc4">Created with Sketch.</desc>
+ <defs
+ id="defs7">
+ <path
+ d="M50.0004412,4.04252804e-14 C22.3871247,4.04252804e-14 0,22.3848726 0,49.9995588 C0,77.6133626 22.3871247,100 50.0004412,100 C77.6137577,100 100,77.6133626 100,49.9995588 C100,22.3848726 77.6128753,3.55271368e-14 50.0004412,4.04252804e-14 Z"
+ id="path-1" />
+ <style
+ id="style6"
+ type="text/css">
+
+ .fil0 {fill:#F8C300}
+ .fil6 {fill:#3895BD}
+ .fil3 {fill:#3941BF}
+ .fil1 {fill:#8FB635}
+ .fil4 {fill:#A02C35}
+ .fil7 {fill:#BB3A84}
+ .fil5 {fill:#D18C3B}
+ .fil8 {fill:#72706F;fill-rule:nonzero}
+ .fil9 {fill:#F8C300;fill-rule:nonzero}
+ .fil2 {fill:white;fill-rule:nonzero}
+
+ </style>
+ </defs>
+ <g
+ inkscape:groupmode="layer"
+ id="layer1"
+ inkscape:label="BACKGROUND">
+ <g
+ style="fill:#ffffff;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:1;stroke-opacity:1"
+ id="Page-1">
+ <g
+ id="eclispe-che"
+ style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-opacity:1">
+ <g
+ id="path3023-path"
+ style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-opacity:1">
+ <use
+ xlink:href="#path-1"
+ id="use9"
+ style="fill:#ffffff;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-opacity:1"
+ x="0"
+ y="0"
+ width="100%"
+ height="100%" />
+ <path
+ d="M 50.000441,0.5 C 22.662621,0.5 0.5,22.661661 0.5,49.999559 0.5,77.337051 22.663098,99.5 50.000441,99.5 77.337613,99.5 99.5,77.337222 99.5,49.999559 99.5,22.661796 77.337514,0.5 50.000441,0.5 Z"
+ id="path11"
+ style="fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1;stroke-opacity:1"
+ inkscape:connector-curvature="0" />
+ </g>
+ </g>
+ </g>
+ </g>
+ <g
+ inkscape:groupmode="layer"
+ id="layer2"
+ inkscape:label="PLACE LOGO HERE">
+ <g
+ style="fill-rule:evenodd"
+ id="g3473"
+ transform="matrix(3.2292607,0,0,3.2292607,-486.24769,-600.53027)">
+ <g
+ id="g3489">
+ <path
+ inkscape:connector-curvature="0"
+ style="fill:#3895bd;fill-opacity:1;fill-rule:evenodd"
+ d="m 165.22326,188.53265 -9.92868,5.72521 4.76477,2.75658 5.15144,-2.96862 z"
+ id="path3475" />
+ <path
+ inkscape:connector-curvature="0"
+ style="fill:#8fb635;fill-opacity:1;fill-rule:evenodd"
+ d="m 166.90714,188.53265 v 5.51317 l 5.15144,2.96862 4.77724,-2.75658 z"
+ id="path3477" />
+ <path
+ inkscape:connector-curvature="0"
+ style="fill:#f8c300;fill-rule:evenodd"
+ d="m 166.05897,195.50518 -5.15144,2.96863 v 5.96219 l 5.15144,2.95616 5.15143,-2.95616 v -5.96219 z"
+ id="path3479" />
+ <path
+ inkscape:connector-curvature="0"
+ style="fill:#d18c3b;fill-opacity:1;fill-rule:evenodd"
+ d="m 177.67153,195.71723 -4.77724,2.76905 v 5.93725 l 4.77724,2.75658 z"
+ id="path3481" />
+ <path
+ inkscape:connector-curvature="0"
+ style="fill:#3941bf;fill-opacity:1;fill-rule:evenodd"
+ d="m 154.4464,195.7297 v 11.45041 l 4.77724,-2.75658 v -5.94972 z"
+ id="path3483" />
+ <path
+ inkscape:connector-curvature="0"
+ style="fill:#bb3a84;fill-opacity:1;fill-rule:evenodd"
+ d="m 160.05935,205.8829 -4.76477,2.75658 9.91621,5.73768 V 208.864 l -5.13897,-2.9811 z"
+ id="path3485" />
+ <path
+ inkscape:connector-curvature="0"
+ style="fill:#a02c35;fill-opacity:1;fill-rule:evenodd"
+ d="m 172.05858,205.89537 -5.15144,2.96863 v 5.51316 l 9.91621,-5.73768 z"
+ id="path3487" />
+ </g>
+ </g>
+ </g>
+</svg>
diff --git a/turnip-base/layer.yaml b/turnip-base/layer.yaml
new file mode 100644
index 0000000..52adc56
--- /dev/null
+++ b/turnip-base/layer.yaml
@@ -0,0 +1,10 @@
+includes:
+ - layer:basic
+ - layer:apt
+ - layer:status
+ - interface:http
+ - interface:nrpe-external-master
+repo: https://git.launchpad.net/turnip
+options:
+ basic:
+ use_venv: true
diff --git a/turnip-base/lib/charms/turnip/base.py b/turnip-base/lib/charms/turnip/base.py
new file mode 100644
index 0000000..68cf88f
--- /dev/null
+++ b/turnip-base/lib/charms/turnip/base.py
@@ -0,0 +1,389 @@
+# Copyright 2018 Canonical Ltd. This software is licensed under the
+# GNU Affero General Public License version 3 (see the file LICENSE).
+
+from __future__ import (
+ absolute_import,
+ print_function,
+ unicode_literals,
+ )
+
+import errno
+import os.path
+import shutil
+import subprocess
+
+from charmhelpers.core import (
+ hookenv,
+ host,
+ templating,
+ )
+from charmhelpers.fetch import apt_install
+from charmhelpers.payload import archive
+from charms.layer import status
+from charms.reactive import endpoint_from_name
+import six
+import yaml
+
+
+def base_dir():
+ return hookenv.config()['base_dir']
+
+
+def payloads_dir():
+ return os.path.join(base_dir(), hookenv.application_name(), 'payloads')
+
+
+def code_dir():
+ return os.path.join(base_dir(), hookenv.application_name(), 'code')
+
+
+def venv_dir():
+ return os.path.join(code_dir(), 'env')
+
+
+def logs_dir():
+ return os.path.join(base_dir(), 'logs')
+
+
+def data_dir():
+ return os.path.join(base_dir(), 'data')
+
+
+def run_dir():
+ return os.path.join(base_dir(), hookenv.application_name(), 'run')
+
+
+@hookenv.cached
+def data_mount_unit():
+ return subprocess.check_output(
+ ['systemd-escape', '--path', data_dir()],
+ universal_newlines=True).rstrip('\n') + '.mount'
+
+
+def keys_dir():
+ return os.path.join(base_dir(), 'keys')
+
+
+def nrpe_dir():
+ return os.path.join(base_dir(), hookenv.application_name(), 'nrpe')
+
+
+def user():
+ return hookenv.config()['user']
+
+
+def user_id():
+ return hookenv.config()['user_id']
+
+
+def group():
+ return hookenv.config()['group']
+
+
+def group_id():
+ return hookenv.config()['group_id']
+
+
+def ensure_user(username, groupname, uid=None, gid=None):
+ if not host.user_exists(username):
+ hookenv.log('Creating {} user and group'.format(username))
+ password = host.pwgen()
+ if not host.group_exists(groupname):
+ host.add_group(groupname, gid=gid)
+ host.adduser(username, password, primary_group=groupname, uid=uid)
+
+
+def ensure_directories():
+ for dir in (base_dir(), payloads_dir()):
+ host.mkdir(dir, perms=0o755)
+ for dir in (logs_dir(), data_dir(), keys_dir(), run_dir()):
+ host.mkdir(dir, owner=user(), group=group(), perms=0o755)
+
+
+def get_swift_creds(config):
+ return {
+ 'user': config['swift_username'],
+ 'project': config['swift_tenant_name'],
+ 'password': config['swift_password'],
+ 'authurl': config['swift_auth_url'],
+ 'region': config['swift_region_name'],
+ 'storageurl': config['swift_storage_url'],
+ }
+
+
+def swift_base_cmd(**swift_creds):
+ return [
+ 'swift',
+ '--os-username=' + swift_creds['user'],
+ '--os-tenant-name=' + swift_creds['project'],
+ '--os-password=' + swift_creds['password'],
+ '--os-auth-url=' + swift_creds['authurl'],
+ '--os-region-name=' + swift_creds['region'],
+ ]
+
+
+def swift_fetch(source, target, container=None, **swift_creds):
+ if swift_creds['user']:
+ cmd = swift_base_cmd(**swift_creds) + [
+ 'download', '--output=' + target, container, source]
+ else:
+ storage_url = swift_creds['storageurl']
+ assert storage_url
+ cmd = [
+ 'wget', '-O', target,
+ '%s/%s/%s' % (storage_url, container, source)]
+ subprocess.check_call(cmd)
+
+
+def unlink_force(path):
+ """Unlink path, without worrying about whether it exists."""
+ try:
+ os.unlink(path)
+ except OSError as e:
+ if e.errno != errno.ENOENT:
+ raise
+
+
+def symlink_force(source, link_name):
+ """Create symlink link_name -> source, even if link_name exists."""
+ unlink_force(link_name)
+ os.symlink(source, link_name)
+
+
+def install_packages():
+ if hookenv.config()['swift_username']:
+ apt_install('python3-swiftclient', fatal=True)
+
+
+def install_payload_packages(target_dir):
+ system_deps_path = os.path.join(target_dir, 'system-dependencies.txt')
+ if not os.path.exists(system_deps_path):
+ return
+ hookenv.log('Installing system packages required by payload')
+ with open(system_deps_path) as system_deps_file:
+ system_deps = system_deps_file.read().split()
+ apt_install(system_deps, fatal=True)
+
+
+def install_python_packages(target_dir):
+ hookenv.log('Installing Python dependencies')
+ subprocess.check_call(
+ ['sudo', 'make', '-C', target_dir, 'build',
+ 'PIP_SOURCE_DIR=%s' % os.path.join(target_dir, 'pip-cache')])
+
+
+def prune_payloads(keep):
+ for entry in os.listdir(payloads_dir()):
+ if entry in keep:
+ continue
+ entry_path = os.path.join(payloads_dir(), entry)
+ if os.path.isdir(entry_path):
+ hookenv.log('Purging old build in {}'.format(entry_path))
+ shutil.rmtree(entry_path)
+
+
+class PayloadError(Exception):
+ pass
+
+
+def install_payload():
+ config = hookenv.config()
+ current_build_label = None
+ if os.path.islink(code_dir()):
+ current_build_label = os.path.basename(os.path.realpath(code_dir()))
+ desired_build_label = config['build_label']
+ if not desired_build_label:
+ raise PayloadError('Build label unset, so cannot deploy code')
+ if current_build_label == desired_build_label:
+ hookenv.log('Build {} already deployed'.format(desired_build_label))
+ return
+ hookenv.log('Deploying build {}...'.format(desired_build_label))
+
+ # Copy source archive
+ archive_path = os.path.join(
+ payloads_dir(), desired_build_label + '.tar.gz')
+ object_name = os.path.join(desired_build_label, 'turnip.tar.gz')
+
+ try:
+ if config['swift_container_name']:
+ swift_creds = get_swift_creds(config)
+ swift_container = config['swift_container_name']
+ swift_fetch(
+ os.path.join('turnip-builds', object_name), archive_path,
+ container=swift_container, **swift_creds)
+ else:
+ resource_path = hookenv.resource_get('turnip')
+ if resource_path and os.path.getsize(resource_path):
+ with open(resource_path, 'rb') as resource:
+ host.write_file(archive_path, resource.read(), perms=0o644)
+ else:
+ raise PayloadError('No build available, so cannot deploy code')
+
+ # Unpack source
+ target_dir = os.path.join(payloads_dir(), desired_build_label)
+ if os.path.isdir(target_dir):
+ shutil.rmtree(target_dir)
+ archive.extract_tarfile(archive_path, target_dir)
+ os.chown(target_dir, 0, 0)
+ host.lchownr(target_dir, 'root', 'root')
+
+ install_payload_packages(target_dir)
+ install_python_packages(target_dir)
+
+ symlink_force(
+ os.path.relpath(target_dir, os.path.dirname(code_dir())),
+ code_dir())
+ prune_payloads([desired_build_label, current_build_label])
+ finally:
+ unlink_force(archive_path)
+
+
+def configure_rsync():
+ config = hookenv.config()
+ if config['log_hosts_allow']:
+ templating.render(
+ 'turnip-rsync.j2', '/etc/rsync-juju.d/010-turnip.conf',
+ config, perms=0o644)
+ if not host.service_restart('rsync'):
+ raise RuntimeError('Failed to restart rsync')
+
+
+def install_services():
+ install_payload()
+ version_info_path = os.path.join(code_dir(), 'turnip', 'version_info.py')
+ if os.path.exists(version_info_path):
+ version_info_locals = {}
+ with open(version_info_path) as version_info_file:
+ six.exec_(version_info_file.read(), {}, version_info_locals)
+ revision_id = version_info_locals.get('version_info', {}).get(
+ 'revision_id')
+ if revision_id is not None:
+ hookenv.application_version_set(revision_id)
+ configure_rsync()
+
+
+def configure_logrotate(config):
+ templating.render(
+ 'logrotate.j2',
+ os.path.join('/etc/logrotate.d', hookenv.application_name()),
+ config, perms=0o644)
+
+
+def reload_systemd():
+ subprocess.check_call(['systemctl', 'daemon-reload'])
+
+
+def configure_service(service_name=None):
+ config = hookenv.config()
+ if service_name is not None:
+ context = dict(config)
+ context['code_dir'] = code_dir()
+ context['data_dir'] = data_dir()
+ # XXX cjwatson 2019-02-11: data_mount_unit is only meaningful with
+ # layer:turnip-storage, but we include it here for simplicity.
+ context['data_mount_unit'] = data_mount_unit()
+ context['run_dir'] = run_dir()
+ context['venv_dir'] = venv_dir()
+ templating.render(
+ '{}.service.j2'.format(service_name),
+ '/lib/systemd/system/{}.service'.format(service_name),
+ context, perms=0o644)
+ reload_systemd()
+ if host.service_running(service_name):
+ host.service_stop(service_name)
+ if not host.service_resume(service_name):
+ raise RuntimeError('Failed to start {}'.format(service_name))
+ port = config.get('port')
+ if port is not None:
+ hookenv.open_port(port)
+ configure_logrotate(config)
+
+
+def deconfigure_service(service_name):
+ host.service_pause(service_name)
+
+
+def add_nagios_e2e_checks(nagios):
+ config = hookenv.config()
+ src = os.path.join(hookenv.charm_dir(), 'scripts', 'nrpe')
+ dst = nrpe_dir()
+ if not os.path.exists(dst):
+ os.makedirs(dst)
+ shutil.copy2(
+ os.path.join(src, 'check_git_refs'),
+ os.path.join(dst, 'check_git_refs'))
+ nagios_logs_dir = '/var/log/nagios'
+ try:
+ if not os.path.exists(nagios_logs_dir):
+ host.mkdir(
+ nagios_logs_dir, owner='nagios', group='nagios', perms=0o755)
+ except KeyError:
+ hookenv.log(
+ 'nagios user not set up; {} not created'.format(nagios_logs_dir))
+ for i, url in enumerate(config['nagios_e2e_urls'].split()):
+ nagios.add_check(
+ [os.path.join(nrpe_dir(), 'check_git_refs'), url],
+ name='check_turnip_git_refs_{}'.format(i),
+ description=(
+ 'Git E2E {} - hint: check nfs-ganesha.service if all '
+ 'appservers are bad, otherwise check '
+ 'srv-turnip-data.mount').format(url),
+ context=config['nagios_context'])
+
+
+def find_git_service(git_services, name):
+ for relation in git_services.relations:
+ for unit in relation.joined_units:
+ data = unit.received_raw
+ all_services = data.get('all_services')
+ if all_services is not None:
+ for service in yaml.safe_load(all_services):
+ if service['service_name'] == name:
+ return data['private-address'], service['service_port']
+ return None, None
+
+
+def publish_website(website, name, port):
+ config = hookenv.config()
+ server_name = hookenv.local_unit().replace('/', '-')
+ server_ip = str(hookenv.unit_private_ip())
+ try:
+ service_options = yaml.safe_load(
+ config.get('haproxy_service_options'))
+ except Exception:
+ status.blocked('bad haproxy_service_options YAML config')
+ return
+ server_options = config.get('haproxy_server_options')
+ haproxy_services = [{
+ 'service_name': name,
+ 'service_host': '0.0.0.0',
+ 'service_port': port,
+ 'service_options': service_options,
+ 'servers': [[server_name, server_ip, port, server_options]],
+ }]
+ haproxy_services_yaml = yaml.dump(haproxy_services)
+ for relation in website.relations:
+ ingress_address = website.get_ingress_address(relation.relation_id)
+ relation.to_publish_raw.update({
+ 'hostname': ingress_address,
+ 'private-address': ingress_address,
+ 'port': str(port),
+ 'services': haproxy_services_yaml,
+ })
+
+
+def get_rabbitmq_url():
+ """Get the RabbitMQ URL from relation data.
+
+ The relation data is only accessible from an amqp relation hook, so the
+ caller is expected to store the result for use by other hooks.
+ """
+ rabbitmq = endpoint_from_name('amqp')
+
+ if not rabbitmq.username() or not rabbitmq.password():
+ raise AssertionError(
+ 'get_rabbitmq_url called when amqp relation data incomplete')
+
+ user = "%s:%s" % (rabbitmq.username(), rabbitmq.password())
+ vhost = rabbitmq.vhost() if rabbitmq.vhost() else "/"
+ return "pyamqp://%s@%s/%s" % (user, rabbitmq.private_address(), vhost)
diff --git a/turnip-base/metadata.yaml b/turnip-base/metadata.yaml
new file mode 100644
index 0000000..4913e81
--- /dev/null
+++ b/turnip-base/metadata.yaml
@@ -0,0 +1,5 @@
+resources:
+ turnip:
+ type: file
+ filename: turnip.tar.gz
+ description: Turnip code
diff --git a/turnip-base/reactive/turnip-base.py b/turnip-base/reactive/turnip-base.py
new file mode 100644
index 0000000..dc32d9e
--- /dev/null
+++ b/turnip-base/reactive/turnip-base.py
@@ -0,0 +1,63 @@
+# Copyright 2018 Canonical Ltd. This software is licensed under the
+# GNU Affero General Public License version 3 (see the file LICENSE).
+
+from __future__ import (
+ absolute_import,
+ print_function,
+ unicode_literals,
+ )
+
+from charms.layer import status
+from charms.reactive import (
+ clear_flag,
+ hook,
+ set_flag,
+ when,
+ when_not,
+ )
+
+from charms.turnip.base import (
+ ensure_directories,
+ ensure_user,
+ group,
+ group_id,
+ install_services,
+ PayloadError,
+ user,
+ user_id,
+ )
+
+
+@when_not('turnip.created_user')
+def install():
+ ensure_user(user(), group(), uid=user_id(), gid=group_id())
+ ensure_directories()
+ set_flag('turnip.created_user')
+
+
+@when('turnip.created_user')
+@when_not('turnip.installed')
+def install_turnip():
+ try:
+ install_services()
+ except PayloadError as e:
+ status.blocked(str(e))
+ return
+ set_flag('turnip.installed')
+ clear_flag('turnip.configured')
+ status.maintenance('Service installed, but not configured')
+
+
+@hook('upgrade-charm')
+def upgrade_charm():
+ clear_flag('turnip.installed')
+
+
+@when('config.changed.build_label')
+def build_label_changed():
+ clear_flag('turnip.installed')
+
+
+@when('config.changed')
+def config_changed():
+ clear_flag('turnip.configured')
diff --git a/turnip-base/scripts/nrpe/check_git_refs b/turnip-base/scripts/nrpe/check_git_refs
new file mode 100755
index 0000000..d5322fb
--- /dev/null
+++ b/turnip-base/scripts/nrpe/check_git_refs
@@ -0,0 +1,24 @@
+#! /bin/sh
+set -u
+
+. /usr/lib/nagios/plugins/utils.sh
+
+LOGFILE=/var/log/nagios/check_git_refs.log
+
+if [ -z "$1" ]; then
+ echo "Usage: check_git_refs REPOSITORY_URL"
+ exit $STATE_UNKNOWN
+fi
+
+if ! BRANCHES="$(git ls-remote -h "$1" 2>$LOGFILE)"; then
+ echo "CRITICAL: Cannot list branches in $1"
+ exit $STATE_CRITICAL
+fi
+
+if ! echo "$BRANCHES" | grep -q '[[:space:]]refs/heads/'; then
+ echo "CRITICAL: $1 has no heads"
+ exit $STATE_CRITICAL
+fi
+
+echo "OK: Master branch found in $1"
+exit $STATE_OK
diff --git a/turnip-base/templates/turnip-rsync.j2 b/turnip-base/templates/turnip-rsync.j2
new file mode 100644
index 0000000..4ed2550
--- /dev/null
+++ b/turnip-base/templates/turnip-rsync.j2
@@ -0,0 +1,8 @@
+
+[turnip-logs]
+ path = {{ base_dir }}/logs
+ comment = Turnip Logs
+ list = false
+ read only = true
+ hosts allow = {{ log_hosts_allow }}
+
diff --git a/turnip-base/wheelhouse.txt b/turnip-base/wheelhouse.txt
new file mode 100644
index 0000000..3392d2e
--- /dev/null
+++ b/turnip-base/wheelhouse.txt
@@ -0,0 +1,2 @@
+PyYAML
+six
diff --git a/turnip-storage/config.yaml b/turnip-storage/config.yaml
new file mode 100644
index 0000000..2d2464a
--- /dev/null
+++ b/turnip-storage/config.yaml
@@ -0,0 +1,8 @@
+options:
+ nfs:
+ type: boolean
+ default: false
+ description: >
+ Use the NFS relation to provision repository storage. A file
+ system will be requested and mounted at ${base_dir}/data. The
+ service will not start until the file system is mounted.
diff --git a/turnip-storage/layer.yaml b/turnip-storage/layer.yaml
new file mode 100644
index 0000000..dd13414
--- /dev/null
+++ b/turnip-storage/layer.yaml
@@ -0,0 +1,4 @@
+includes:
+ - interface:mount
+ - layer:turnip-base
+repo: https://git.launchpad.net/turnip
diff --git a/turnip-storage/lib/charms/turnip/storage.py b/turnip-storage/lib/charms/turnip/storage.py
new file mode 100644
index 0000000..1f0171e
--- /dev/null
+++ b/turnip-storage/lib/charms/turnip/storage.py
@@ -0,0 +1,71 @@
+# Copyright 2018 Canonical Ltd. This software is licensed under the
+# GNU Affero General Public License version 3 (see the file LICENSE).
+
+from __future__ import (
+ absolute_import,
+ print_function,
+ unicode_literals,
+ )
+
+import os
+import subprocess
+
+from charmhelpers.core import (
+ host,
+ templating,
+ )
+
+from charms.turnip.base import (
+ data_dir,
+ data_mount_unit,
+ group_id,
+ reload_systemd,
+ user_id,
+ )
+
+
+def ensure_mounted():
+ # If the service is stopped, start it. Make sure it is also unmasked to
+ # avoid blocking other services that depends on the data mount.
+ data_mount = data_mount_unit()
+ host.service('unmask', data_mount)
+ reload_systemd()
+ if not host.service_running(data_mount):
+ host.service_resume(data_mount)
+ subprocess.check_call(['mountpoint', '-q', data_dir()])
+
+
+def mount_data(mount_info):
+ # We use a systemd.mount(5) unit rather than a line in /etc/fstab partly
+ # because it's easier to deal with a file we can completely overwrite,
+ # and partly because this lets us automatically stop and start services
+ # that require the mount.
+ data_mount = data_mount_unit()
+ data_mount_conf = '/lib/systemd/system/{}'.format(data_mount)
+ context = dict(mount_info)
+ context['data_dir'] = data_dir()
+ templating.render('data.mount.j2', data_mount_conf, context, perms=0o644)
+ host.service('unmask', data_mount)
+ reload_systemd()
+ host.service_restart(data_mount)
+ # systemctl shouldn't return successfully unless the mount completed,
+ # but let's make sure.
+ subprocess.check_call(['mountpoint', '-q', data_dir()])
+
+
+def unmount_data():
+ data_mount = data_mount_unit()
+ if host.service_running(data_mount):
+ host.service_stop(data_mount)
+ host.service('mask', data_mount)
+ reload_systemd()
+
+
+def ensure_repo_store_writable():
+ os.chown(data_dir(), user_id(), group_id())
+ os.chmod(data_dir(), 0o755)
+ repo_store = os.path.join(data_dir(), 'repos')
+ if not os.path.exists(repo_store):
+ os.makedirs(repo_store)
+ os.chown(repo_store, user_id(), group_id())
+ os.chmod(repo_store, 0o755)
diff --git a/turnip-storage/lxd-profile.yaml b/turnip-storage/lxd-profile.yaml
new file mode 100644
index 0000000..52ba2e3
--- /dev/null
+++ b/turnip-storage/lxd-profile.yaml
@@ -0,0 +1,10 @@
+name: turnip-storage
+config:
+ raw.apparmor: |
+ mount fstype=nfs,
+ mount fstype=nfs4,
+ mount fstype=nfsd,
+ mount fstype=rpc_pipefs,
+ security.privileged: true
+description: "Allow NFS mounting for turnip storage"
+devices: {}
diff --git a/turnip-storage/metadata.yaml b/turnip-storage/metadata.yaml
new file mode 100644
index 0000000..7024acd
--- /dev/null
+++ b/turnip-storage/metadata.yaml
@@ -0,0 +1,4 @@
+requires:
+ nfs:
+ interface: mount
+ optional: true
diff --git a/turnip-storage/reactive/turnip-storage.py b/turnip-storage/reactive/turnip-storage.py
new file mode 100644
index 0000000..faa95f3
--- /dev/null
+++ b/turnip-storage/reactive/turnip-storage.py
@@ -0,0 +1,134 @@
+# Copyright 2018 Canonical Ltd. This software is licensed under the
+# GNU Affero General Public License version 3 (see the file LICENSE).
+
+from __future__ import (
+ absolute_import,
+ print_function,
+ unicode_literals,
+ )
+
+from charmhelpers.core import hookenv
+from charmhelpers.fetch import apt_install
+from charms.reactive import (
+ any_flags_set,
+ clear_flag,
+ data_changed,
+ endpoint_from_flag,
+ set_flag,
+ toggle_flag,
+ when,
+ when_any,
+ when_not,
+ )
+
+from charms.turnip.base import data_dir
+from charms.turnip.storage import (
+ ensure_mounted,
+ ensure_repo_store_writable,
+ mount_data,
+ unmount_data,
+ )
+
+
+def update_storage_available():
+ toggle_flag(
+ 'turnip.storage.available',
+ any_flags_set('turnip.storage.internal', 'turnip.storage.nfs'))
+
+
+@when('turnip.created_user')
+@when_not('turnip.storage.initialised')
+def initial_request():
+ if hookenv.config()['nfs']:
+ apt_install('nfs-common', fatal=True)
+ clear_flag('turnip.storage.internal')
+ else:
+ ensure_repo_store_writable()
+ set_flag('turnip.storage.internal')
+ clear_flag('turnip.storage.nfs')
+ set_flag('turnip.storage.initialised')
+ update_storage_available()
+
+
+@when('nfs.joined')
+@when_not('turnip.storage.nfs-requested')
+def nfs_joined():
+ if not hookenv.config()['nfs']:
+ return
+ nfs = endpoint_from_flag('nfs.joined')
+ nfs.set_export_name('turnip')
+ set_flag('turnip.storage.nfs-requested')
+
+
+@when('nfs.available')
+def nfs_available():
+ if not hookenv.config()['nfs']:
+ return
+ nfs = endpoint_from_flag('nfs.available')
+ mount_info = None
+ for mount in nfs.mounts():
+ if mount['mount_name'] != 'turnip':
+ continue
+ if mount['mounts']:
+ mount_info = mount['mounts'][0]
+ # We only handle one related NFS unit.
+ break
+ # Unmount and/or mount storage as necessary. Note that if we previously
+ # had valid mount information and now have different valid mount
+ # information then we need to do both operations.
+ if data_changed('turnip.storage.mount-info', mount_info):
+ unmount_data()
+ if mount_info is not None:
+ mount_data(mount_info)
+ ensure_repo_store_writable()
+ toggle_flag('turnip.storage.nfs', mount_info is not None)
+ update_storage_available()
+ # If mount-info didn't changed but is present, let's just make sure that
+ # the data storage is mounted.
+ elif mount_info is not None:
+ ensure_mounted()
+ ensure_repo_store_writable()
+ set_flag('turnip.storage.nfs')
+ update_storage_available()
+
+
+@when_any('turnip.storage.nfs-requested', 'turnip.storage.nfs')
+@when_not('nfs.joined')
+def nfs_departed():
+ if data_changed('turnip.storage.mount-info', None):
+ unmount_data()
+ clear_flag('turnip.storage.nfs-requested')
+ clear_flag('turnip.storage.nfs')
+ update_storage_available()
+
+
+@when('config.changed.nfs')
+def nfs_config_changed():
+ clear_flag('turnip.storage.internal')
+ clear_flag('turnip.storage.nfs')
+ clear_flag('turnip.storage.initialised')
+ clear_flag('turnip.storage.nfs-requested')
+ update_storage_available()
+
+
+@when('nrpe-external-master.available', 'turnip.configured')
+@when_not('turnip.storage.nrpe-external-master.published')
+def nrpe_available():
+ nagios = endpoint_from_flag('nrpe-external-master.available')
+ config = hookenv.config()
+ # XXX cjwatson 2018-12-11: We perhaps don't need this check on every
+ # unit that consumes the same storage; perhaps it could live on the
+ # storage backend instead. However, this is easier to arrange for now.
+ nagios.add_check(
+ ['/usr/lib/nagios/plugins/check_disk', '-u', 'GB',
+ '-w', '10%', '-c', '5%', '-K', '5%', '-p', data_dir()],
+ name='check_disk_data',
+ description='Disk space on {}'.format(data_dir()),
+ context=config['nagios_context'])
+ set_flag('turnip.storage.nrpe-external-master.published')
+
+
+@when('turnip.storage.nrpe-external-master.published')
+@when_not('nrpe-external-master.available')
+def nrpe_unavailable():
+ clear_flag('turnip.storage.nrpe-external-master.published')
diff --git a/turnip-storage/templates/data.mount.j2 b/turnip-storage/templates/data.mount.j2
new file mode 100644
index 0000000..b115460
--- /dev/null
+++ b/turnip-storage/templates/data.mount.j2
@@ -0,0 +1,10 @@
+[Unit]
+Description=Turnip data file system
+
+[Mount]
+What={{ hostname }}:{{ mountpoint }}
+Where={{ data_dir }}
+Type={{ fstype }}
+Options={{ options }}
+LazyUnmount=true
+
