confd: exctract password also for failure-config

This patch adds generation of the 20-authentication.json snippet also
for failure-config.  The gen-admin-auth script is extended with shell
parameter, since the default shell differs from factory-config.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/confd/bin/bootstrap

@@ -83,8 +83,9 @@ factory()
     # shellcheck disable=SC2086
     gen-interfaces $GEN_IFACE_OPTS                          >"$FACTORY_D/20-interfaces.json"
 
-    if ! gen-admin-auth                             >"$FACTORY_D/10-authentication.json"; then
-        console_error "Unable to create factory config, gen-admin-auth failed"
+    # Extract password for admin user from VPD
+    if ! gen-admin-auth infix-shell-type:clish >"$FACTORY_D/20-authentication.json"; then
+        console_error "Unable to create factory-config, gen-admin-auth failed"
         return
     fi
 
@@ -107,6 +108,12 @@ failure()
     gen-hostname   "$FAIL_HOSTNAME"                         >"$FAILURE_D/20-hostname.json"
     gen-interfaces                                          >"$FAILURE_D/20-interfaces.json"
 
+    # Same password as factory-config, but another login shell
+    if ! gen-admin-auth infix-shell-type:bash >"$FAILURE_D/20-authentication.json"; then
+        console_error "Unable to create failure-config, gen-admin-auth failed"
+        return
+    fi
+
     [ -s "$FAILURE_D/20-hostkey.json"   ] || gen-hostkeys   >"$FAILURE_D/20-hostkey.json"
 
     # Optional failure/error config to generate (or override) for br2-externals

src/confd/bin/gen-admin-auth

@@ -1,6 +1,8 @@
 #!/bin/sh
+# This script extracts the admin user's password hash from VPD
 
-pwhash="$(cat /run/system.json | jq '.pwhash')"
+shell="$1"
+pwhash="$(jq .pwhash /run/system.json)"
 
 if [ -z "$pwhash" ] || [ "$pwhash" = "null" ]; then
     exit 1
@@ -14,7 +16,7 @@ cat <<EOF
        {
           "name": "admin",
           "password": $pwhash,
-          "infix-system:shell": "infix-shell-type:clish"
+	  "infix-system:shell": "$shell"
        }
       ]
     }

src/confd/share/failure.d/10-authentication.json

@@ -1,12 +0,0 @@
-{
-  "ietf-system:system": {
-    "authentication": {
-      "user": [
-        {
-          "name": "admin",
-	  "infix-system:shell": "infix-shell-type:bash"
-        }
-      ]
-    }
-  }
-}

src/confd/share/failure.d/Makefile.am

@@ -1,4 +1,4 @@
 failuredir          = $(pkgdatadir)/failure.d
-dist_failure_DATA   = 10-authentication.json 10-nacm.json \
+dist_failure_DATA   = 10-nacm.json \
 		      10-netconf-server.json 10-system.json