Packaging: extract venv (from pex) and packs (from archives) during rpm/deb post-install (#6320)

Author: cognifloyd

CHANGELOG.rst

@@ -79,7 +79,7 @@ Added
   to pants' use of PEX lockfiles. This is not a user-facing addition.
   #6118 #6141 #6133 #6120 #6181 #6183 #6200 #6237 #6229 #6240 #6241 #6244 #6251 #6253
   #6254 #6258 #6259 #6260 #6269 #6275 #6279 #6278 #6282 #6283 #6273 #6287 #6306 #6307
-  #6311 #6314 #6315 #6317 #6319 #6312
+  #6311 #6314 #6315 #6317 #6319 #6312 #6320
   Contributed by @cognifloyd
 * Build of ST2 EL9 packages #6153
   Contributed by @amanda11

packaging/deb/scripts/post-install.sh

@@ -29,6 +29,15 @@ set -e
 # https://www.mankier.com/5/deb-triggers
 # https://stackoverflow.com/questions/15276535/dpkg-how-to-use-trigger
 
+# The default set of packs installed with st2.
+_ST2_PACKS="
+chatops
+core
+default
+linux
+packs
+"
+
 # This must include ".service" to satisfy deb-systemd-{helper,invoke}
 _ST2_SERVICES="
 st2actionrunner.service
@@ -83,8 +92,26 @@ systemd_enable_and_restart() {
     fi
 }
 
+rebuild_st2_venv() {
+    /opt/stackstorm/install/st2.pex
+}
+
+extract_st2_pack() {
+    pack=${1}
+    shift
+    # shellcheck disable=SC2209
+    PAGER=cat /opt/stackstorm/install/packs/"${pack}".tgz.run --quiet --accept "${@}"
+}
+
 case "$1" in
     configure)
+        # Fail install if venv build or pack extraction fails
+        rebuild_st2_venv || exit $?
+        for pack in ${_ST2_PACKS}; do
+            extract_st2_pack "${pack}" || exit $?
+        done
+        extract_st2_pack examples --target /usr/share/doc/st2/examples || :
+
         # shellcheck disable=SC2086
         systemd_enable_and_restart ${_ST2_SERVICES}
         ;;

packaging/rpm/scripts/post-install.sh

@@ -7,6 +7,15 @@ set -e
 #   * on upgrade: $1 > 1
 # https://docs.fedoraproject.org/en-US/packaging-guidelines/Scriptlets/#_syntax
 
+# The default set of packs installed with st2.
+_ST2_PACKS="
+chatops
+core
+default
+linux
+packs
+"
+
 _ST2_SERVICES="
 st2actionrunner
 st2api
@@ -21,6 +30,24 @@ st2timersengine
 st2workflowengine
 "
 
+rebuild_st2_venv() {
+    /opt/stackstorm/install/st2.pex
+}
+
+extract_st2_pack() {
+    pack=${1}
+    shift
+    # shellcheck disable=SC2209
+    PAGER=cat /opt/stackstorm/install/packs/"${pack}".tgz.run --quiet --accept "${@}"
+}
+
+# Fail install if venv build or pack extraction fails
+rebuild_st2_venv || exit $?
+for pack in ${_ST2_PACKS}; do
+    extract_st2_pack "${pack}" || exit $?
+done
+extract_st2_pack examples --target /usr/share/doc/st2/examples || :
+
 # Native .rpm specs use macros that get expanded into shell snippets.
 # We are using nfpm, so we inline the macro expansion here.
 # %systemd_post