build: Add script to enqueue builds with buildbot

This commit adds a script that enqueues a build in the queue of the
buildbots and waits for the corresponding build status message.

diff --git a/build.sh b/build.sh
new file mode 100755 (executable)
index 0000000..439fafe
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,145 @@
+#!/bin/bash
+
+check_result() {
+       local endpoint="$1"
+       local context="$2"
+
+       local start
+       local timelimit
+
+       start=$(date +"%s")
+       timelimit=$((5 * 60))
+
+       while (( ( $(date +"%s") - start ) < timelimit )); do
+               local msg
+               local fmsg
+               local fmsgtype
+               local ctx
+               local result
+
+               if ! msg=$(ipc_endpoint_recv "$endpoint" 5); then
+                       continue
+               fi
+
+               ipc_msg_dump "$msg"
+
+               if ! fmsg=$(ipc_msg_get_data "$msg"); then
+                       log_warn "Can't get data from message. Dropping."
+                       continue
+               fi
+
+               log_highlight "data" <<< "$fmsg" | log_debug
+
+               if ! fmsgtype=$(foundry_msg_get_type "$fmsg"); then
+                       log_warn "Can't determine message type. Dropping."
+                       continue
+               fi
+
+               if [[ "$fmsgtype" != "build" ]]; then
+                       log_warn "Unexpected message type. Dropping."
+                       continue
+               fi
+
+               if ! ctx=$(foundry_msg_build_get_context "$fmsg"); then
+                       log_warn "Dropping message without context"
+                       continue
+               fi
+
+               if [[ "$ctx" != "$context" ]]; then
+                       # These are not the builds you're looking for
+                       continue
+               fi
+
+               if ! result=$(foundry_msg_build_get_result "$fmsg"); then
+                       log_error "Could not get result from build message"
+                       return 1
+               fi
+
+               foundry_context_get_logs "$context" | log_highlight "Build logs"
+               foundry_context_get_files "$context" | log_highlight "Build artifacts"
+
+               return "$result"
+       done
+
+       return 1
+}
+
+build() {
+       local repository="$1"
+       local branch="$2"
+
+       local endpoint
+       local package
+       local buildreq
+       local context
+
+       package="${repository##*/}"
+
+       if ! endpoint=$(ipc_endpoint_open); then
+               log_error "Could not open IPC endpoint"
+               return 1
+       fi
+
+       if ! ipc_endpoint_subscribe "$endpoint" "builds"; then
+               log_error "Could not subscribe to builds"
+               return 1
+       fi
+
+       if ! context=$(foundry_context_new "$package"); then
+               log_error "Could not make a new foundry context"
+               return 1
+       fi
+
+       if ! buildreq=$(foundry_msg_buildrequest_new "$context"    \
+                                                    "$repository" \
+                                                    "$branch"); then
+               log_error "Could not make buildrequest message"
+               return 1
+       fi
+
+       if ! ipc_endpoint_send "$endpoint" "pub/buildbot" "$buildreq"; then
+               log_error "Could not send buildrequest message"
+               return 1
+       fi
+
+       if ! check_result "$endpoint" "$context"; then
+               log_error "Build failed"
+               return 1
+       fi
+
+       return 0
+}
+
+main() {
+       local repository
+       local branch
+
+       opt_add_arg "r" "repository" "rv" "" "The repository to build"
+       opt_add_arg "b" "branch"     "rv" "" "The branch to build"
+
+       if ! opt_parse "$@"; then
+               return 1
+       fi
+
+       repository=$(opt_get "repository")
+       branch=$(opt_get "branch")
+
+       if ! build "$repository" "$branch"; then
+               return 1
+       fi
+
+       return 0
+}
+
+{
+       if ! . toolbox.sh; then
+               exit 1
+       fi
+
+       if ! include "log" "opt" "ipc" "foundry/msg" "foundry/context"; then
+               exit 1
+       fi
+
+       main "$@"
+       exit "$?"
+}