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-rwxr-xr-xbin/get-assignment48
1 files changed, 47 insertions, 1 deletions
diff --git a/bin/get-assignment b/bin/get-assignment
index f74399d..fed7056 100755
--- a/bin/get-assignment
+++ b/bin/get-assignment
@@ -3,6 +3,16 @@
# 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
@@ -27,7 +37,41 @@ hand_out_assignment() {
# Create a lock file.
exec 9> "${lock_file}"
-flock -n 9 || exit
+if ! flock -n 9; then
+ >&2 echo 'come back (shortly) later - I was running already'
+ exit 1
+fi
+
+# Check if there are any pending packages at all and if the requester
+# has already hit its max_parallel_build_per_client limit.
+
+num_jobs=0
+pending_packages=false
+
+while read -r package git_revision repository; do
+
+ if [ -f "${work_dir}/package-states/${package}.${git_revision}.${repository}.locked" ];
+ then
+ if [ "${SSH_CLIENT%% *}" = "$(cat "${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
while read -r package git_revision repository; do
@@ -62,4 +106,6 @@ fi
# 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