From aac0cb5e62ce2c50f060f41406493f45b57146e3 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 19 Jun 2019 10:11:48 +0200
Subject: bin/sanity-check: check consistency of ~/.ssh/authorized_keys with
 database

---
 bin/sanity-check | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 51 insertions(+), 1 deletion(-)

(limited to 'bin/sanity-check')

diff --git a/bin/sanity-check b/bin/sanity-check
index e93a157..4da985b 100755
--- a/bin/sanity-check
+++ b/bin/sanity-check
@@ -128,7 +128,7 @@ touch "${tmp_dir}/messages"
 trap 'finish' EXIT
 
 if [ $# -eq 0 ]; then
-  set -- git-repositories build-list mysql master-mirror-availability repos package-database track-state
+  set -- git-repositories build-list mysql ssh-keys master-mirror-availability repos package-database track-state
 fi
 
 while [ $# -gt 0 ]; do
@@ -568,6 +568,56 @@ while [ $# -gt 0 ]; do
 
     ;;
 
+    ssh-keys)
+
+      [ ${silence} -gt 0 ] || \
+        printf 'checking ssh-keys ...' | \
+        tee -a "${tmp_dir}/messages" >&2
+
+      # shellcheck disable=SC2016
+      {
+        printf 'SELECT'
+        printf ' CONCAT('
+          printf '"command=\"/home/master/builder/bin/slave-build-connect ",'
+          printf '`build_slaves`.`name`,'
+          printf '"\" ssh-rsa ",'
+          printf '`ssh_keys`.`fingerprint`'
+        printf ')'
+        printf ' FROM'
+        printf ' `build_slaves`'
+        mysql_join_build_slaves_ssh_keys
+      } | \
+        mysql_run_query | \
+        sort > \
+        "${tmp_dir}/ssh-keys.mysql"
+      sed -n '
+        /^command/ {
+          s/^\(\(\S\+\s\+\)\{4\}\)\S.*$/\1/
+          s/\s\+$//
+          p
+        }
+      ' ~/".ssh/authorized_keys" | \
+        sort > \
+        "${tmp_dir}/ssh-keys.authorized_keys"
+
+      errors=$(
+        diff "${tmp_dir}/ssh-keys.mysql" "${tmp_dir}/ssh-keys.authorized_keys"
+      )
+      if [ -n "${errors}" ]; then
+        if [ ${silence} -le 1 ]; then
+          printf '\nThe ssh keys in the database and the file system differ:\n%s\n' \
+            "${errors}"
+        fi | \
+          tee -a "${tmp_dir}/messages" >&2
+        i_am_insane
+      fi
+
+      [ ${silence} -gt 0 ] || \
+        echo ' passed.' | \
+        tee -a "${tmp_dir}/messages" >&2
+
+    ;;
+
     *)
 
       [ ${silence} -gt 1 ] || \
-- 
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