1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
# Copyright (c) 2020 Cisco and/or its affiliates.
# Copyright (c) 2020 PANTHEON.tech and/or its affiliates.
# 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.
set -exuo pipefail
# This library defines functions used by multiple entry scripts.
# Keep functions ordered alphabetically, please.
function activate_virtualenv () {
# Update virtualenv pip package, delete and create virtualenv directory,
# activate the virtualenv, install requirements, set PYTHONPATH.
# Arguments:
# - ${1} - Path to existing directory for creating virtualenv in.
# If missing or empty, ${ROOT_DIR} is used.
# - ${2} - Path to requirements file, ${ROOT_DIR}/requirements.txt if empty.
# Variables read:
# - ROOT_DIR - Path to existing root of local git repository.
# Functions called:
# - die - Print to stderr and exit.
set -exuo pipefail
root_path="${1-$ROOT_DIR}"
env_dir="${root_path}/env"
req_path=${2-$ROOT_DIR/requirements.txt}
rm -rf "${env_dir}" || die "Failed to clean previous virtualenv."
pip3 install virtualenv==20.0.20 || {
die "Virtualenv package install failed."
}
virtualenv --no-download --python=$(which python3) "${env_dir}" || {
die "Virtualenv creation for $(which python3) failed."
}
set +u
source "${env_dir}/bin/activate" || die "Virtualenv activation failed."
set -u
pip3 install -r "${req_path}" || {
die "Requirements installation failed."
}
}
function common_dirs () {
# Set global variables, create some directories (without touching content).
# Variables set:
# - BASH_FUNCTION_DIR - Path to existing directory this file is located in.
# - ROOT_DIR - Path to existing root of local git repository.
# - RESOURCES_DIR - Path to existing CSIT subdirectory "resources".
# Functions called:
# - die - Print to stderr and exit.
set -exuo pipefail
this_file=$(readlink -e "${BASH_SOURCE[0]}") || {
die "Some error during locating of this source file."
}
BASH_FUNCTION_DIR=$(dirname "${this_file}") || {
die "Some error during dirname call."
}
# Current working directory could be in a different repo, e.g. VPP.
pushd "${BASH_FUNCTION_DIR}" || die "Pushd failed"
relative_csit_dir=$(git rev-parse --show-toplevel) || {
die "Git rev-parse failed."
}
ROOT_DIR=$(readlink -e "${relative_csit_dir}") || die "Readlink failed."
popd || die "Popd failed."
}
function die () {
# Print the message to standard error end exit with error code specified
# by the second argument.
#
# Hardcoded values:
# - The default error message.
# Arguments:
# - ${1} - The whole error message, be sure to quote. Optional
# - ${2} - the code to exit with, default: 1.
set -x
set +eu
warn "${1:-Unspecified run-time error occurred!}"
exit "${2:-1}"
}
function warn () {
# Print the message to standard error.
#
# Arguments:
# - ${@} - The text of the message.
set -exuo pipefail
echo "$@" >&2
}
|
