populate_chroot: merge get_status

populate_chroot.sh

@@ -424,3 +424,104 @@ then
         cp ../states.txt "${CHROOT_DIR}/states.txt"
     fi
 fi
+
+if [ "$1" = "status" ]
+then
+
+    cd "${CHROOT_DIR}" || exit 5
+
+
+    PRETTY_OUT_COLUMN=$(ls -1 | awk '{ if(length($1) > max) { max = length($1) }} END { print max }')
+
+    # printf isn't aware of emojis, need -2 chars per emoji
+    printf "%${PRETTY_OUT_COLUMN}s %15s %16s %18s %40s\n" \
+    	"machine" "local version" "remote version" "state" "elapsed time since"
+
+    printf "%${PRETTY_OUT_COLUMN}s %15s %16s %18s %40s\n" \
+    	"-------" "---------" "-----------" "-------------" "-------------"
+
+    for i in *
+    do
+        test -d "${i}" || continue
+        RESULT=$(find "${i}/logs/" -type f -cnewer "${i}/last_change_date" | sort -n)
+
+        # date calculation
+        LASTLOG=$(find "${i}/logs/" -type f | sort -n | tail -n 1)
+        LASTCONFIG=$(date -r "${i}/last_change_date" "+%s")
+        ELAPSED_SINCE_LATE="new config $(elapsed_time $(( $(date +%s) - "$LASTCONFIG")))"
+        EXPECTED_CONFIG="$(awk -F '=' -v host="${i}" 'host == $1 { print $2 }' states.txt | cut -b 1-8)"
+
+        if [ -z "${EXPECTED_CONFIG}" ]; then EXPECTED_CONFIG="non-flakes" ; fi
+
+        # skip if no logs (for new hosts)
+        if     [ -z "${LASTLOG}" ]
+        then
+            display_table "$PRETTY_OUT_COLUMN" "$i" "${EXPECTED_CONFIG}" "" "new machine    "  "($ELAPSED_SINCE_LATE)    "
+            continue
+        fi
+
+        LASTLOGVERSION="$(echo "$LASTLOG" | awk -F '_' '{ print $2 }' | awk -F '-' '{ print $1 }' )"
+        NIXPKGS_DATE="$(echo "$LASTLOG" | awk -F '_' '{ print $2 }' | awk -F '-' '{ printf("%s", $NF) }' )"
+        LASTTIME=$(date -r "$LASTLOG" "+%s")
+        ELAPSED_SINCE_UPDATE="build $(elapsed_time $(( $(date +%s) - "$LASTTIME" )))"
+
+
+        if grep "^${i}=${LASTLOGVERSION}" states.txt >/dev/null
+        then
+            MATCH="💚"
+            MATCH_IF=1
+        else
+            # we don't know the state of a non-flake
+            if [ "${EXPECTED_CONFIG}" = "non-flakes" ]
+            then
+                MATCH="    "
+            else
+                MATCH="🛑"
+            fi
+            MATCH_IF=0
+        fi
+
+        SHORT_VERSION="$(echo "$LASTLOGVERSION" | cut -b 1-8)"
+
+        # Too many logs while there should be only one
+        if [ "$(echo "$RESULT" | awk 'END { print NR }')" -gt 1 ]
+        then
+            display_table "$PRETTY_OUT_COLUMN" "$i" "${EXPECTED_CONFIG}" "${SHORT_VERSION} ${MATCH}" "extra logs 🔥" "($ELAPSED_SINCE_UPDATE) ($ELAPSED_SINCE_LATE)"
+            continue
+        fi
+
+        # no result since we updated configuration files
+        # the client is not up to date
+        if [ -z "$RESULT" ]
+        then
+            if [ "${MATCH_IF}" -eq 0 ]
+            then
+                display_table "$PRETTY_OUT_COLUMN" "$i" "${EXPECTED_CONFIG}" "${SHORT_VERSION} ${MATCH}" "rebuild pending 🚩" "($ELAPSED_SINCE_UPDATE) ($ELAPSED_SINCE_LATE)"
+            else
+                display_table "$PRETTY_OUT_COLUMN" "$i" "${EXPECTED_CONFIG}" "${SHORT_VERSION} ${MATCH}" "sync pending 🚩" "($ELAPSED_SINCE_UPDATE) ($ELAPSED_SINCE_LATE)"
+            fi
+            # if no new log
+            # then it can't be in another further state
+            continue
+        fi
+
+        # check if latest log contains rollback
+        if echo "$LASTLOG" | grep rollback >/dev/null
+        then
+            display_table "$PRETTY_OUT_COLUMN" "$i" "${EXPECTED_CONFIG}" "${SHORT_VERSION} ${MATCH}" "    rollbacked ⏪" "($ELAPSED_SINCE_UPDATE)"
+        fi
+
+        # check if latest log contains success
+        if echo "$LASTLOG" | grep success >/dev/null
+        then
+            display_table "$PRETTY_OUT_COLUMN" "$i" "${EXPECTED_CONFIG}" "${SHORT_VERSION} ${MATCH}" "    up to date 💚" "($ELAPSED_SINCE_UPDATE)"
+        fi
+
+        # check if latest log contains failure
+        if echo "$LASTLOG" | grep failure >/dev/null
+        then
+            display_table "$PRETTY_OUT_COLUMN" "$i" "${EXPECTED_CONFIG}" "${SHORT_VERSION} ${MATCH}" "       failing 🔥" "($ELAPSED_SINCE_UPDATE) ($ELAPSED_SINCE_LATE)"
+        fi
+
+    done
+fi