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https://git.launchpad.net/livecd-rootfs
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Compare commits
8 Commits
ubuntu/mas
...
2.620.3
| Author | SHA1 | Date | |
|---|---|---|---|
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bef3548b82 | ||
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863c3110c9 | ||
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e4e05f1c1d | ||
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909a6f8bfb | ||
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9ff34ae65e | ||
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9bdc7505b0 | ||
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64b05104aa | ||
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2b0d201ee6 |
18
debian/changelog
vendored
18
debian/changelog
vendored
@ -1,3 +1,21 @@
|
||||
livecd-rootfs (2.620.3) eoan; urgency=medium
|
||||
|
||||
* Revert of initramfs package removal in KVM image (LP: #1880170)
|
||||
|
||||
-- Phil Roche <phil.roche@canonical.com> Fri, 22 May 2020 13:03:20 +0100
|
||||
|
||||
livecd-rootfs (2.620.2) eoan; urgency=medium
|
||||
|
||||
* Fix logic to ensure snapd is seeded in core18-only images (LP: #1871919)
|
||||
|
||||
-- Robert C Jennings <robert.jennings@canonical.com> Wed, 15 Apr 2020 10:05:55 -0500
|
||||
|
||||
livecd-rootfs (2.620.1) eoan; urgency=medium
|
||||
|
||||
* Use snap cli rather than custom snap-tool (LP: #1864252)
|
||||
|
||||
-- Robert C Jennings <robert.jennings@canonical.com> Tue, 25 Feb 2020 16:15:48 -0600
|
||||
|
||||
livecd-rootfs (2.620) eoan; urgency=medium
|
||||
|
||||
* Limit the lxd group to images with an installer; it's less appropriate
|
||||
|
||||
1
debian/install
vendored
1
debian/install
vendored
@ -3,4 +3,3 @@ get-ppa-fingerprint usr/share/livecd-rootfs
|
||||
minimize-manual usr/share/livecd-rootfs
|
||||
magic-proxy usr/share/livecd-rootfs
|
||||
lp-in-release usr/share/livecd-rootfs
|
||||
snap-tool usr/share/livecd-rootfs
|
||||
|
||||
@ -477,18 +477,19 @@ _snap_preseed() {
|
||||
return
|
||||
fi
|
||||
|
||||
# Pre-seed snap's base
|
||||
case $SNAP_NAME in
|
||||
snapd)
|
||||
# snapd is self-contained, ignore base
|
||||
;;
|
||||
core|core[0-9][0-9])
|
||||
# core and core## are self-contained, ignore base
|
||||
;;
|
||||
*)
|
||||
# Determine if and what core snap is needed
|
||||
# Determine which core snap is needed
|
||||
local snap_info
|
||||
|
||||
snap_info=$(/usr/share/livecd-rootfs/snap-tool info \
|
||||
--cohort-key="${COHORT_KEY:-}" \
|
||||
--channel="$CHANNEL" "${SNAP_NAME}" \
|
||||
)
|
||||
snap_info=$(snap info --verbose "${SNAP_NAME}")
|
||||
|
||||
if [ $? -ne 0 ]; then
|
||||
echo "Failed to retrieve base of $SNAP_NAME!"
|
||||
@ -497,19 +498,18 @@ _snap_preseed() {
|
||||
|
||||
local core_snap=$(echo "$snap_info" | grep '^base:' | awk '{print $2}')
|
||||
|
||||
# If $core_snap is not the empty string then SNAP itself is not a core
|
||||
# snap and we must additionally seed the core snap.
|
||||
if [ -n "$core_snap" ]; then
|
||||
_snap_preseed $CHROOT_ROOT $core_snap stable
|
||||
fi
|
||||
# If snap info does not list a base use 'core'
|
||||
core_snap=${core_snap:-core}
|
||||
|
||||
_snap_preseed $CHROOT_ROOT $core_snap stable
|
||||
;;
|
||||
esac
|
||||
|
||||
sh -c "
|
||||
set -x;
|
||||
cd \"$CHROOT_ROOT/var/lib/snapd/seed\";
|
||||
SNAPPY_STORE_NO_CDN=1 /usr/share/livecd-rootfs/snap-tool download \
|
||||
--cohort-key=\"${COHORT_KEY:-}\" \
|
||||
SNAPPY_STORE_NO_CDN=1 snap download \
|
||||
--cohort=\"${COHORT_KEY:-}\" \
|
||||
--channel=\"$CHANNEL\" \"$SNAP_NAME\"" || snap_download_failed=1
|
||||
if [ $snap_download_failed = 1 ] ; then
|
||||
echo "If the channel ($CHANNEL) includes '*/ubuntu-##.##' track per "
|
||||
@ -536,11 +536,7 @@ EOF
|
||||
echo -n " file: " >> $seed_yaml
|
||||
(cd $snaps_dir; ls -1 ${SNAP_NAME}_*.snap) >> $seed_yaml
|
||||
|
||||
# If $core_snap is the empty string then SNAP itself *may be* a core snap,
|
||||
# and we run some post-processing logic.
|
||||
if [ -z "$core_snap" ]; then
|
||||
_snap_post_process $CHROOT_ROOT $SNAP_NAME
|
||||
fi
|
||||
_snap_post_process $CHROOT_ROOT $SNAP_NAME
|
||||
}
|
||||
|
||||
snap_prepare_assertions() {
|
||||
@ -619,12 +615,6 @@ snap_prepare() {
|
||||
local CUSTOM_BRAND_MODEL=${2:-generic:generic-classic}
|
||||
|
||||
snap_prepare_assertions "$CHROOT_ROOT" "$CUSTOM_BRAND_MODEL"
|
||||
|
||||
# ubuntu-cpc:minimized has its own special snap handling
|
||||
if [ "$PROJECT:${SUBPROJECT:-}" != ubuntu-cpc:minimized ]; then
|
||||
# Download the core snap
|
||||
_snap_preseed "$CHROOT_ROOT" core stable
|
||||
fi
|
||||
}
|
||||
|
||||
snap_preseed() {
|
||||
|
||||
@ -49,10 +49,6 @@ replace_kernel ${mount_d} "linux-kvm"
|
||||
chroot "${mount_d}" update-grub
|
||||
undivert_grub "${mount_d}"
|
||||
|
||||
# Remove initramfs for kvm image
|
||||
env DEBIAN_FRONTEND=noninteractive chroot "${mount_d}" apt-get \
|
||||
purge -y initramfs-tools busybox-initramfs
|
||||
|
||||
env DEBIAN_FRONTEND=noninteractive chroot "${mount_d}" rm \
|
||||
-rf /boot/initrd.img-* /boot/initrd.img
|
||||
|
||||
|
||||
603
snap-tool
603
snap-tool
@ -1,603 +0,0 @@
|
||||
#!/usr/bin/python3
|
||||
#-*- encoding: utf-8 -*-
|
||||
"""
|
||||
This script can be used instead of the traditional `snap` command to download
|
||||
snaps and accompanying assertions. It uses the new store API (v2) which allows
|
||||
creating temporary snapshots of the channel map.
|
||||
|
||||
To create such a snapshot run
|
||||
|
||||
snap-tool cohort-create
|
||||
|
||||
This will print a "cohort-key" to stdout, which can then be passed to future
|
||||
invocations of `snap-tool download`. Whenever a cohort key is provided, the
|
||||
store will provide a view of the channel map as it existed when the key was
|
||||
created.
|
||||
"""
|
||||
|
||||
from textwrap import dedent
|
||||
|
||||
import argparse
|
||||
import base64
|
||||
import binascii
|
||||
import getopt
|
||||
import hashlib
|
||||
import json
|
||||
import os
|
||||
import re
|
||||
import shutil
|
||||
import subprocess
|
||||
import sys
|
||||
import time
|
||||
import urllib.error
|
||||
import urllib.request
|
||||
|
||||
EXIT_OK = 0
|
||||
EXIT_ERR = 1
|
||||
|
||||
|
||||
class SnapError(Exception):
|
||||
"""Generic error thrown by the Snap class."""
|
||||
pass
|
||||
|
||||
|
||||
class SnapCraftError(SnapError):
|
||||
"""Error thrown on problems with the snapcraft APIs."""
|
||||
pass
|
||||
|
||||
|
||||
class SnapAssertionError(SnapError):
|
||||
"""Error thrown on problems with the assertions API."""
|
||||
pass
|
||||
|
||||
|
||||
class ExpBackoffHTTPClient:
|
||||
"""This class is an abstraction layer on top of urllib with additional
|
||||
retry logic for more reliable downloads."""
|
||||
|
||||
class Request:
|
||||
"""This is a convenience wrapper around urllib.request."""
|
||||
|
||||
def __init__(self, request, do_retry, base_interval, num_tries):
|
||||
"""
|
||||
:param request:
|
||||
An urllib.request.Request instance.
|
||||
:param do_retry:
|
||||
Whether to enable the exponential backoff and retry logic.
|
||||
:param base_interval:
|
||||
The initial interval to sleep after a failed attempt.
|
||||
:param num_tries:
|
||||
How many attempts to make.
|
||||
"""
|
||||
self._request = request
|
||||
self._do_retry = do_retry
|
||||
self._base_interval = base_interval
|
||||
self._num_tries = num_tries
|
||||
self._response = None
|
||||
|
||||
def open(self):
|
||||
"""Open the connection."""
|
||||
if not self._response:
|
||||
self._response = self._retry_urlopen()
|
||||
|
||||
def close(self):
|
||||
"""Close the connection."""
|
||||
if self._response:
|
||||
self._response.close()
|
||||
self._response = None
|
||||
|
||||
def data(self):
|
||||
"""Return the raw response body."""
|
||||
with self:
|
||||
return self.read()
|
||||
|
||||
def json(self):
|
||||
"""Return the deserialized response body interpreted as JSON."""
|
||||
return json.loads(self.data(), encoding="utf-8")
|
||||
|
||||
def text(self):
|
||||
"""Return the response body as a unicode string."""
|
||||
encoding = "utf-8"
|
||||
|
||||
with self:
|
||||
content_type = self._response.getheader("Content-Type", "")
|
||||
|
||||
if content_type == "application/json":
|
||||
encoding = "utf-8"
|
||||
else:
|
||||
m = re.match(r"text/\S+;\s*charset=(?P<charset>\S+)",
|
||||
content_type)
|
||||
if m:
|
||||
encoding=m.group("charset")
|
||||
|
||||
return self.read().decode(encoding)
|
||||
|
||||
def read(self, size=None):
|
||||
"""Read size bytes from the response. If size if not set, the
|
||||
complete response body is read in."""
|
||||
return self._response.read(size)
|
||||
|
||||
def __enter__(self):
|
||||
"""Make this class a context manager."""
|
||||
self.open()
|
||||
return self
|
||||
|
||||
def __exit__(self, type, value, traceback):
|
||||
"""Make this class a context manager."""
|
||||
self.close()
|
||||
|
||||
def _retry_urlopen(self):
|
||||
"""Try to open the HTTP connection as many times as configured
|
||||
through the constructor. Every time an error occurs, double the
|
||||
time to wait until the next attempt."""
|
||||
for attempt in range(self._num_tries):
|
||||
try:
|
||||
return urllib.request.urlopen(self._request)
|
||||
except Exception as e:
|
||||
if isinstance(e, urllib.error.HTTPError) and e.code < 500:
|
||||
raise
|
||||
if attempt >= self._num_tries - 1:
|
||||
raise
|
||||
sys.stderr.write(
|
||||
"WARNING: failed to open URL '{}': {}\n"
|
||||
.format(self._request.full_url, str(e))
|
||||
)
|
||||
else:
|
||||
break
|
||||
|
||||
sleep_interval = self._base_interval * 2**attempt
|
||||
sys.stderr.write(
|
||||
"Retrying HTTP request in {} seconds...\n"
|
||||
.format(sleep_interval)
|
||||
)
|
||||
time.sleep(sleep_interval)
|
||||
|
||||
|
||||
def __init__(self, do_retry=True, base_interval=2, num_tries=8):
|
||||
"""
|
||||
:param do_retry:
|
||||
Whether to enable the retry logic.
|
||||
:param base_interval:
|
||||
The initial interval to sleep after a failed attempt.
|
||||
:param num_tries:
|
||||
How many attempts to make.
|
||||
"""
|
||||
self._do_retry = do_retry
|
||||
self._base_interval = base_interval
|
||||
self._num_tries = num_tries if do_retry else 1
|
||||
|
||||
def get(self, url, headers=None):
|
||||
"""Create a GET request that can be used to retrieve the resource
|
||||
at the given URL.
|
||||
|
||||
:param url:
|
||||
An HTTP URL.
|
||||
:param headers:
|
||||
A dictionary of extra headers to send along.
|
||||
:return:
|
||||
An ExpBackoffHTTPClient.Request instance.
|
||||
"""
|
||||
return self._prepare_request(url, headers=headers)
|
||||
|
||||
def post(self, url, data=None, json=None, headers=None):
|
||||
"""Create a POST request that can be used to submit data to the
|
||||
endpoint at the given URL."""
|
||||
return self._prepare_request(
|
||||
url, data=data, json_data=json, headers=headers
|
||||
)
|
||||
|
||||
def _prepare_request(self, url, data=None, json_data=None, headers=None):
|
||||
"""Prepare a Request instance that can be used to retrieve data from
|
||||
and/or send data to the endpoint at the given URL.
|
||||
|
||||
:param url:
|
||||
An HTTP URL.
|
||||
:param data:
|
||||
Raw binary data to send along in the request body.
|
||||
:param json_data:
|
||||
A Python data structure to be serialized and sent out in JSON
|
||||
format.
|
||||
:param headers:
|
||||
A dictionary of extra headers to send along.
|
||||
:return:
|
||||
An ExpBackoffHTTPClient.Request instance.
|
||||
"""
|
||||
if data is not None and json_data is not None:
|
||||
raise ValueError(
|
||||
"Parameters 'data' and 'json_data' are mutually exclusive."
|
||||
)
|
||||
|
||||
if json_data:
|
||||
data = json.dumps(json_data, ensure_ascii=False)
|
||||
if headers is None:
|
||||
headers = {}
|
||||
headers["Content-Type"] = "application/json"
|
||||
if isinstance(data, str):
|
||||
data = data.encode("utf-8")
|
||||
|
||||
return ExpBackoffHTTPClient.Request(
|
||||
urllib.request.Request(url, data=data, headers=headers or {}),
|
||||
self._do_retry,
|
||||
self._base_interval,
|
||||
self._num_tries
|
||||
)
|
||||
|
||||
|
||||
class Snap:
|
||||
"""This class provides methods to retrieve information about a snap and
|
||||
download it together with its assertions."""
|
||||
|
||||
def __init__(self, name, channel="stable", arch="amd64", series=16,
|
||||
cohort_key=None, assertion_url="https://assertions.ubuntu.com",
|
||||
snapcraft_url="https://api.snapcraft.io", **kwargs):
|
||||
"""
|
||||
:param name:
|
||||
The name of the snap.
|
||||
:param channel:
|
||||
The channel to operate on.
|
||||
:param arch:
|
||||
The Debian architecture of the snap (e.g. amd64, armhf, arm64, ...).
|
||||
:param series:
|
||||
The device series. This should always be 16.
|
||||
:param cohort_key:
|
||||
A cohort key to access a snapshot of the channel map.
|
||||
"""
|
||||
self._name = name
|
||||
self._channel = channel
|
||||
self._arch = arch
|
||||
self._series = series
|
||||
self._cohort_key = cohort_key
|
||||
self._assertion_url = assertion_url
|
||||
self._snapcraft_url = snapcraft_url
|
||||
self._details = None
|
||||
self._assertions = {}
|
||||
|
||||
@classmethod
|
||||
def cohort_create(cls):
|
||||
"""Get a cohort key for the current moment. A cohort key is valid
|
||||
across all snaps, channels and architectures."""
|
||||
return Snap("core")\
|
||||
.get_details(cohort_create=True)\
|
||||
.get("cohort-key")
|
||||
|
||||
def download(self, download_assertions=True):
|
||||
"""Download the snap container. If download_assertions is True, the
|
||||
corresponding assertions will be downloaded, as well."""
|
||||
snap = self.get_details()
|
||||
|
||||
snap_name = snap["name"]
|
||||
snap_revision = snap["revision"]
|
||||
publisher_id = snap["publisher"]["id"]
|
||||
snap_download_url = snap["download"]["url"]
|
||||
snap_byte_size = snap["download"]["size"]
|
||||
filename = snap_name + "_" + str(snap_revision)
|
||||
snap_filename = filename + ".snap"
|
||||
assert_filename = filename + ".assert"
|
||||
|
||||
skip_snap_download = False
|
||||
|
||||
if os.path.exists(snap_filename) and os.path.getsize(snap_filename) \
|
||||
== snap_byte_size:
|
||||
skip_snap_download = True
|
||||
|
||||
headers = {}
|
||||
|
||||
if os.environ.get("SNAPPY_STORE_NO_CDN", "0") != "0":
|
||||
headers.update({
|
||||
"X-Ubuntu-No-Cdn": "true",
|
||||
"Snap-CDN": "none",
|
||||
})
|
||||
|
||||
if not skip_snap_download:
|
||||
http_client = ExpBackoffHTTPClient()
|
||||
response = http_client.get(snap_download_url, headers=headers)
|
||||
with response, open(snap_filename, "wb+") as fp:
|
||||
shutil.copyfileobj(response, fp)
|
||||
|
||||
if os.path.getsize(snap_filename) != snap_byte_size:
|
||||
raise SnapError(
|
||||
"The downloaded snap does not have the expected size."
|
||||
)
|
||||
|
||||
if not download_assertions:
|
||||
return
|
||||
|
||||
required_assertions = [
|
||||
"account-key",
|
||||
"account",
|
||||
"snap-declaration",
|
||||
"snap-revision",
|
||||
]
|
||||
|
||||
if publisher_id == "canonical":
|
||||
required_assertions.remove("account")
|
||||
|
||||
for assertion_name in required_assertions:
|
||||
attr_name = "get_assertion_" + assertion_name.replace("-", "_")
|
||||
# This will populate self._assertions[<assertion_name>].
|
||||
getattr(self, attr_name)()
|
||||
|
||||
with open(assert_filename, "w+", encoding="utf-8") as fp:
|
||||
fp.write("\n".join(self._assertions[a] for a in
|
||||
required_assertions))
|
||||
|
||||
def get_details(self, cohort_create=False):
|
||||
"""Get details about the snap. On subsequent calls, the cached results
|
||||
are returned. If cohort_create is set to True, a cohort key will be
|
||||
created and included in the result."""
|
||||
if self._details and not cohort_create:
|
||||
return self._details
|
||||
|
||||
if self.is_core_snap() and self._channel.startswith("stable/ubuntu-"):
|
||||
sys.stderr.write(
|
||||
"WARNING: switching channel from '{}' to 'stable' for '{}' "
|
||||
"snap.\n".format(self._channel, self._name)
|
||||
)
|
||||
self._channel = "stable"
|
||||
|
||||
path = "/v2/snaps/refresh"
|
||||
|
||||
data = {
|
||||
"context": [],
|
||||
"actions": [
|
||||
{
|
||||
"action": "download",
|
||||
"instance-key": "0",
|
||||
"name": self._name,
|
||||
"channel": self._channel,
|
||||
}
|
||||
],
|
||||
"fields": [
|
||||
"base",
|
||||
"created-at",
|
||||
"download",
|
||||
"license",
|
||||
"name",
|
||||
"prices",
|
||||
"publisher",
|
||||
"revision",
|
||||
"snap-id",
|
||||
"summary",
|
||||
"title",
|
||||
"type",
|
||||
"version",
|
||||
],
|
||||
}
|
||||
|
||||
# These are mutually exclusive.
|
||||
if cohort_create:
|
||||
data["actions"][0]["cohort-create"] = True
|
||||
elif self._cohort_key:
|
||||
data["actions"][0]["cohort-key"] = self._cohort_key
|
||||
|
||||
try:
|
||||
response_dict = self._do_snapcraft_request(path, json_data=data)
|
||||
except SnapCraftError as e:
|
||||
raise SnapError("failed to get details for '{}': {}"
|
||||
.format(self._name, str(e)))
|
||||
|
||||
snap_data = response_dict["results"][0]
|
||||
|
||||
if snap_data.get("result") == "error":
|
||||
raise SnapError(
|
||||
"failed to get details for '{}': {}"
|
||||
.format(self._name, snap_data.get("error", {}).get("message"))
|
||||
)
|
||||
|
||||
# Have "base" initialized to something meaningful.
|
||||
if self.is_core_snap():
|
||||
snap_data["snap"]["base"] = ""
|
||||
elif snap_data["snap"].get("base") is None:
|
||||
snap_data["snap"]["base"] = "core"
|
||||
|
||||
# Copy the key into the snap details.
|
||||
if "cohort-key" in snap_data:
|
||||
snap_data["snap"]["cohort-key"] = snap_data["cohort-key"]
|
||||
|
||||
if "error" in snap_data:
|
||||
raise SnapError(
|
||||
"failed to get details for '{}' in '{}' on '{}': {}"
|
||||
.format(self._name, self._channel, self._arch,
|
||||
snap_data["error"]["message"])
|
||||
)
|
||||
|
||||
self._details = snap_data["snap"]
|
||||
return self._details
|
||||
|
||||
def get_assertion_snap_revision(self):
|
||||
"""Download the snap-revision assertion associated with this snap. The
|
||||
assertion is returned as a string."""
|
||||
if "snap-revision" in self._assertions:
|
||||
return self._assertions["snap-revision"]
|
||||
snap = self.get_details()
|
||||
|
||||
snap_sha3_384 = base64.urlsafe_b64encode(
|
||||
binascii.a2b_hex(snap["download"]["sha3-384"])
|
||||
).decode("us-ascii")
|
||||
|
||||
data = self._do_assertion_request("/v1/assertions/snap-revision/{}"
|
||||
.format(snap_sha3_384))
|
||||
self._assertions["snap-revision"] = data
|
||||
return data
|
||||
|
||||
def get_assertion_snap_declaration(self):
|
||||
"""Download the snap-declaration assertion associated with this snap.
|
||||
The assertion is returned as a string."""
|
||||
if "snap-declaration" in self._assertions:
|
||||
return self._assertions["snap-declaration"]
|
||||
snap = self.get_details()
|
||||
series = self._series
|
||||
snap_id = snap["snap-id"]
|
||||
|
||||
data = self._do_assertion_request(
|
||||
"/v1/assertions/snap-declaration/{}/{}"
|
||||
.format(series, snap_id))
|
||||
|
||||
self._assertions["snap-declaration"] = data
|
||||
return data
|
||||
|
||||
def get_assertion_account(self):
|
||||
"""Download the account assertion associated with this snap. The
|
||||
assertion is returned as a string."""
|
||||
if "account" in self._assertions:
|
||||
return self._assertions["account"]
|
||||
snap = self.get_details()
|
||||
publisher_id = snap["publisher"]["id"]
|
||||
data = self._do_assertion_request("/v1/assertions/account/{}"
|
||||
.format(publisher_id))
|
||||
self._assertions["account"] = data
|
||||
return data
|
||||
|
||||
def get_assertion_account_key(self):
|
||||
"""Download the account-key assertion associated with this snap. The
|
||||
assertion will be returned as a string."""
|
||||
if "account-key" in self._assertions:
|
||||
return self._assertions["account-key"]
|
||||
|
||||
declaration_data = self.get_assertion_snap_declaration()
|
||||
sign_key_sha3 = None
|
||||
|
||||
for line in declaration_data.splitlines():
|
||||
if line.startswith("sign-key-sha3-384:"):
|
||||
sign_key_sha3 = line.split(":")[1].strip()
|
||||
|
||||
data = self._do_assertion_request("/v1/assertions/account-key/{}"
|
||||
.format(sign_key_sha3))
|
||||
|
||||
self._assertions["account-key"] = data
|
||||
return data
|
||||
|
||||
def is_core_snap(self):
|
||||
return re.match(r"^core\d*$", self._name) != None
|
||||
|
||||
def _do_assertion_request(self, path):
|
||||
url = self._assertion_url + path
|
||||
|
||||
headers = {
|
||||
"Accept": "application/x.ubuntu.assertion",
|
||||
}
|
||||
|
||||
http_client = ExpBackoffHTTPClient()
|
||||
try:
|
||||
with http_client.get(url, headers=headers) as response:
|
||||
return response.text()
|
||||
except urllib.error.HTTPError as e:
|
||||
raise SnapAssertionError(str(e))
|
||||
|
||||
def _do_snapcraft_request(self, path, json_data=None):
|
||||
url = self._snapcraft_url + "/" + path
|
||||
|
||||
headers = {
|
||||
"Snap-Device-Series": str(self._series),
|
||||
"Snap-Device-Architecture": self._arch,
|
||||
}
|
||||
|
||||
http_client = ExpBackoffHTTPClient()
|
||||
try:
|
||||
response = http_client.post(url, json=json_data, headers=headers)
|
||||
with response:
|
||||
return response.json()
|
||||
except urllib.error.HTTPError as e:
|
||||
raise SnapCraftError(str(e))
|
||||
|
||||
|
||||
class SnapCli:
|
||||
|
||||
def __call__(self, args):
|
||||
"""Parse the command line arguments and execute the selected command."""
|
||||
options = self._parse_opts(args)
|
||||
|
||||
try:
|
||||
options.func(getattr(options, "snap", None), **vars(options))
|
||||
except SnapError as e:
|
||||
sys.stderr.write("snap-tool {}: {}\n".format(
|
||||
options.command, str(e)))
|
||||
return EXIT_ERR
|
||||
return EXIT_OK
|
||||
|
||||
@staticmethod
|
||||
def _get_host_deb_arch():
|
||||
result = subprocess.run(["dpkg", "--print-architecture"],
|
||||
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
|
||||
universal_newlines=True, check=True)
|
||||
|
||||
return result.stdout.strip()
|
||||
|
||||
def _parse_opts(self, args):
|
||||
main_parser = argparse.ArgumentParser()
|
||||
subparsers = main_parser.add_subparsers(dest="command")
|
||||
|
||||
parser_cohort_create = subparsers.add_parser("cohort-create",
|
||||
help="Create a cohort key for the snap store channel map.")
|
||||
parser_cohort_create.set_defaults(func=self._cohort_create)
|
||||
|
||||
parser_download = subparsers.add_parser("download",
|
||||
help="Download a snap from the store.")
|
||||
parser_download.set_defaults(func=self._download)
|
||||
|
||||
parser_info = subparsers.add_parser("info",
|
||||
help="Retrieve information about a snap.")
|
||||
parser_info.set_defaults(func=self._info)
|
||||
|
||||
# Add common parameters.
|
||||
for parser in [parser_download, parser_info]:
|
||||
parser.add_argument("--cohort-key", dest="cohort_key",
|
||||
help="A cohort key to pin the channel map to.", type=str)
|
||||
parser.add_argument("--channel", dest="channel",
|
||||
help="The publication channel to query (default: stable).",
|
||||
type=str, default="stable")
|
||||
parser.add_argument("--series", dest="series",
|
||||
help="The device series (default: 16)",
|
||||
type=int, default=16)
|
||||
parser.add_argument("--arch", dest="arch",
|
||||
help="The Debian architecture (default: amd64).",
|
||||
type=str, default=self._get_host_deb_arch())
|
||||
parser.add_argument("snap", help="The name of the snap.")
|
||||
|
||||
if not args:
|
||||
main_parser.print_help()
|
||||
sys.exit(EXIT_ERR)
|
||||
|
||||
return main_parser.parse_args(args)
|
||||
|
||||
def _cohort_create(self, _, **kwargs):
|
||||
print(Snap.cohort_create())
|
||||
|
||||
def _download(self, snap_name, **kwargs):
|
||||
Snap(snap_name, **kwargs).download()
|
||||
|
||||
def _info(self, snap_name, **kwargs):
|
||||
snap = Snap(snap_name, **kwargs)
|
||||
info = snap.get_details()
|
||||
|
||||
print(dedent("""\
|
||||
name: {}
|
||||
summary: {}
|
||||
arch: {}
|
||||
base: {}
|
||||
channel: {}
|
||||
publisher: {}
|
||||
license: {}
|
||||
snap-id: {}
|
||||
revision: {}"""
|
||||
.format(
|
||||
snap_name,
|
||||
info.get("summary", ""),
|
||||
snap._arch,
|
||||
info.get("base"),
|
||||
snap._channel,
|
||||
info.get("publisher", {}).get("display-name", ""),
|
||||
info.get("license", ""),
|
||||
info.get("snap-id", ""),
|
||||
info.get("revision", "")
|
||||
))
|
||||
)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
try:
|
||||
rval = SnapCli()(sys.argv[1:])
|
||||
except KeyboardInterrupt:
|
||||
sys.stderr.write("snap-tool: caught keyboard interrupt, exiting.\n")
|
||||
sys.exit(EXIT_ERR)
|
||||
sys.exit(rval)
|
||||
Loading…
x
Reference in New Issue
Block a user