Test content params of FIle resources in Class[prometheus]

Following voxpupuli#83, and preparing tests for voxpupuli#48.

spec/classes/prometheus_spec.rb

@@ -88,28 +88,37 @@
         }
 
         # prometheus::config
-        if ['debian-7-x86_64'].include?(os) ||
-           ['centos-6-x86_64', 'redhat-6-x86_64'].include?(os)
-          # init_style = 'debian' or
+        if ['debian-7-x86_64'].include?(os)
+          # init_style = 'debian'
+
+          it {
+            is_expected.to contain_file('/etc/init.d/prometheus').with(
+              'mode'   => '0555',
+              'owner'  => 'root',
+              'group'  => 'root',
+              'content' => File.read(fixtures('files', 'prometheus.debian'))
+            )
+          }
+        elsif ['centos-6-x86_64', 'redhat-6-x86_64'].include?(os)
           # init_style = 'sysv'
 
           it {
             is_expected.to contain_file('/etc/init.d/prometheus').with(
               'mode'   => '0555',
               'owner'  => 'root',
               'group'  => 'root',
-              # 'content' => ...
+              'content' => File.read(fixtures('files', 'prometheus.sysv'))
             )
           }
         elsif ['centos-7-x86_64', 'debian-8-x86_64', 'redhat-7-x86_64', 'ubuntu-16.04-x86_64'].include?(os)
           # init_style = 'systemd'
 
           it {
             is_expected.to contain_file('/etc/systemd/system/prometheus.service').with(
-              'mode'   => '0644',
-              'owner'  => 'root',
-              'group'  => 'root',
-              # 'content' => ...
+              'mode'    => '0644',
+              'owner'   => 'root',
+              'group'   => 'root',
+              'content' => File.read(fixtures('files', 'prometheus.systemd'))
             ).that_notifies(['Exec[prometheus-systemd-reload]', 'Class[Prometheus::Run_service]'])
           }
 
@@ -125,10 +134,10 @@
 
           it {
             is_expected.to contain_file('/etc/init/prometheus.conf').with(
-              'mode'  => '0444',
-              'owner' => 'root',
-              'group' => 'root',
-              # 'content' => ...
+              'mode'    => '0444',
+              'owner'   => 'root',
+              'group'   => 'root',
+              'content' => File.read(fixtures('files', 'prometheus.upstart'))
             )
           }
 
@@ -164,7 +173,7 @@
             'owner'   => 'prometheus',
             'group'   => 'prometheus',
             'mode'    => '0660',
-            # 'content' => ...,
+            'content' => File.read(fixtures('files', 'prometheus.yaml'))
           ).that_notifies('Class[prometheus::service_reload]')
         }
 

spec/fixtures/files/prometheus.debian

@@ -0,0 +1,177 @@
+#! /bin/sh
+### BEGIN INIT INFO
+# Provides:          prometheus
+# Required-Start:    $local_fs $remote_fs
+# Required-Stop:     $local_fs $remote_fs
+# Default-Start:     2 3 4 5
+# Default-Stop:      S 0 1 6
+# Short-Description: Prometheus monitoring system
+# Description:       The Prometheus monitoring system and time series database. https://prometheus.io/
+#                    
+### END INIT INFO
+
+# Do NOT "set -e"
+
+# PATH should only include /usr/* if it runs after the mountnfs.sh script
+PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/bin
+DESC="Prometheus monitoring framework"
+NAME=prometheus
+DAEMON=/usr/local/bin/$NAME
+PIDFILE=/var/run/$NAME/$NAME.pid
+DAEMON_ARGS=" -config.file=/etc/prometheus/prometheus.yaml
+              -storage.local.path=/var/lib/prometheus
+              -web.console.templates=/usr/local/share/prometheus/consoles
+              -web.console.libraries=/usr/local/share/prometheus/console_libraries
+              "
+USER=prometheus
+SCRIPTNAME=/etc/init.d/$NAME
+
+# Exit if the package is not installed
+[ -x "$DAEMON" ] || exit 0
+
+# Read configuration variable file if it is present
+[ -r /etc/default/$NAME ] && . /etc/default/$NAME
+
+# Load the VERBOSE setting and other rcS variables
+[ -f /etc/default/rcS ] && . /etc/default/rcS
+
+# Define LSB log_* functions.
+# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
+. /lib/lsb/init-functions
+
+#
+# Function to create run directory
+#
+mkrundir() {
+        [ ! -d /var/run/prometheus ] && mkdir -p /var/run/prometheus
+        chown $USER /var/run/prometheus
+}
+
+#
+# Function that starts the daemon/service
+#
+do_start()
+{
+    # Return
+    #   0 if daemon has been started
+    #   1 if daemon was already running
+    #   2 if daemon could not be started
+    mkrundir
+    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --chuid $USER --background --make-pidfile --test > /dev/null \
+        || return 1
+    start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --chuid $USER --background --make-pidfile -- \
+        $DAEMON_ARGS \
+        || return 2
+
+    for i in `seq 1 30`; do
+        if ! start-stop-daemon --quiet --stop --test --pidfile $PIDFILE --exec $DAEMON --user $USER; then
+            RETVAL=2
+            sleep 1
+            continue
+        fi
+        if "$DAEMON" info ${RPC_ADDR} >/dev/null; then
+            return 0
+        fi
+    done
+    return "$RETVAL"
+}
+
+
+#
+# Function that stops the daemon/service
+#
+do_stop()
+{
+    # Return
+    #   0 if daemon has been stopped
+    #   1 if daemon was already stopped
+    #   2 if daemon could not be stopped
+    #   other if a failure occurred
+    start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
+    RETVAL="$?"
+    [ "$RETVAL" = 2 ] && return 2
+    # Wait for children to finish too if this is a daemon that forks
+    # and if the daemon is only ever run from this initscript.
+    # If the above conditions are not satisfied then add some other code
+    # that waits for the process to drop all resources that could be
+    # needed by services started subsequently.  A last resort is to
+    # sleep for some time.
+    start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
+    [ "$?" = 2 ] && return 2
+    # Many daemons don't delete their pidfiles when they exit.
+    rm -f $PIDFILE
+    return "$RETVAL"
+}
+
+#
+# Function that sends a SIGHUP to the daemon/service
+#
+do_reload() {
+    #
+    # If the daemon can reload its configuration without
+    # restarting (for example, when it is sent a SIGHUP),
+    # then implement that here.
+    #
+    start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
+    return 0
+}
+
+case "$1" in
+  start)
+    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
+    do_start
+    case "$?" in
+        0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+        2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+    esac
+    ;;
+  stop)
+    [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
+    do_stop
+    case "$?" in
+        0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
+        2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
+    esac
+    ;;
+  #reload|force-reload)
+    #
+    # If do_reload() is not implemented then leave this commented out
+    # and leave 'force-reload' as an alias for 'restart'.
+    #
+    #log_daemon_msg "Reloading $DESC" "$NAME"
+    #do_reload
+    #log_end_msg $?
+    #;;
+  restart|force-reload)
+    #
+    # If the "reload" option is implemented then remove the
+    # 'force-reload' alias
+    #
+    log_daemon_msg "Restarting $DESC" "$NAME"
+    do_stop
+    case "$?" in
+      0|1)
+        do_start
+        case "$?" in
+            0) log_end_msg 0 ;;
+            1) log_end_msg 1 ;; # Old process is still running
+            *) log_end_msg 1 ;; # Failed to start
+        esac
+        ;;
+      *)
+        # Failed to stop
+        log_end_msg 1
+        ;;
+    esac
+    ;;
+  status)
+      status_of_proc -p $PIDFILE $DAEMON $NAME && exit 0 || exit $?
+      ;;
+  *)
+    #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
+    echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
+    exit 3
+    ;;
+esac
+
+:

spec/fixtures/files/prometheus.systemd

@@ -0,0 +1,21 @@
+[Unit]
+Description=Prometheus Monitoring framework
+Wants=basic.target
+After=basic.target network.target
+
+[Service]
+User=prometheus
+Group=prometheus
+ExecStart=/usr/local/bin/prometheus \
+  -config.file=/etc/prometheus/prometheus.yaml\
+  -storage.local.path=/var/lib/prometheus \
+  -web.console.templates=/usr/local/share/prometheus/consoles \
+  -web.console.libraries=/usr/local/share/prometheus/console_libraries \
+
+ExecReload=/bin/kill -HUP $MAINPID
+KillMode=process
+Restart=always
+RestartSec=42s
+
+[Install]
+WantedBy=multi-user.target