blob: ab3373759ba4886c34eb5e5a7cafabc2ac6e03aa (
plain)
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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
#!/bin/bash
# receive one package to be built from the build-list whose dependencies
# are already satisfied or which breaks a dependency cycle
# exit code shows state of success:
# 0: ok, I gave you an assignment
# 1: come back (shortly) later - I was running already
# 2: come back later - there are still packages to be built,
# but currently none has all its dependencies ready
# 3: come back after the next run of get-package-updates - currently
# there are no pending packages
# 4: come back, when you've done your work - you hit the limit on
# maximum allowed parallel jobs per ip
# TODO:
# respect build-manually-list ("blocked")
# respect broken packages
. "${0%/*}/../conf/default.conf"
mkdir -p "${work_dir}/package-states"
hand_out_assignment() {
# locked packages won't be handed out
if [ -f "${work_dir}/package-states/$1.$2.$3.locked" ]; then
return 0
fi
echo "$1 $2 $3"
echo "${SSH_CLIENT%% *}" > "${work_dir}/package-states/$1.$2.$3.locked"
# lock every loop this package breaks
grep "^${1//./\\.}\$" "${work_dir}/build-list.loops/"loop_* | \
cut -d: -f1 | \
tee -a "${work_dir}/package-states/$1.$2.$3.locked" | \
sed 's|$|.locked|' | \
xargs -rn1 touch
rm -f "${lock_file}"
exit 0
}
# Create a lock file.
exec 9> "${lock_file}"
if ! flock -n 9; then
>&2 echo 'come back (shortly) later - I was running already'
exit 1
fi
# Check if there are any pending packages at all and if the requester
# has already hit its max_parallel_build_per_client limit.
num_jobs=0
pending_packages=false
while read -r package git_revision repository; do
if [ -f "${work_dir}/package-states/${package}.${git_revision}.${repository}.locked" ];
then
if [ "${SSH_CLIENT%% *}" = "$(head -n1 "${work_dir}/package-states/${package}.${git_revision}.${repository}.locked")" ]; then
num_jobs=$[${num_jobs}+1];
fi
else
pending_packages=true
fi
done < "${work_dir}/build-list"
if ! ${pending_packages}; then
>&2 echo 'come back after the next run of get-package-updates - currently there are no pending packages'
rm -f "${lock_file}"
exit 3
fi
if [ ${num_jobs} -ge ${max_parallel_build_per_client} ]; then
>&2 echo "come back, when you've done your work - you hit the limit on maximum allowed parallel jobs per ip"
rm -f "${lock_file}"
exit 4
fi
# Find first package of build-list whose dependencies are all met
while read -r package git_revision repository; do
[ -z "$(
(
cat "${work_dir}/package-infos/${package}."*".needs"
awk '{print $1}' "${work_dir}/build-list"
) | \
sort | \
uniq -d
)" ] || continue
hand_out_assignment "${package}" "${git_revision}" "${repository}"
done < "${work_dir}/build-list"
# Find package (of all packages which are not locked)
# which breaks the most unlocked loops
for package in $(
ls "${work_dir}/build-list.loops/"loop_* | \
sed 's|\.locked$||' | \
sort | \
uniq -u | \
# now, we have all unlocked loops
xargs cat | \
# now, we have their content
sort | \
uniq -c | \
sort -k1nr,1 | \
awk '{print $2}'
); do
if assignment="$(grep "^${package} " "${work_dir}/build-list")"; then
hand_out_assignment ${assignment}
else
echo "'${package}' ..."
fi
done
# Remove the lock file
>&2 echo 'come back later - there are still packages to be built, but currently none has all its dependencies ready'
rm -f "${lock_file}"
exit 2
|