[prometheus] Bump versions

There are quite new versions for the stuff below.

    - node-exporter
    - mysqld-exporter
    - mtail
    - memcached-exporter
    - elasticsearch-exporter
    - blackbox-exporter
    - alertmanager

Change-Id: I051081e547074bbe13b55143d73baef5651e18fb

docker/prometheus/prometheus-alertmanager/Dockerfile.j2

@@ -6,7 +6,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 {% block prometheus_alertmanager_header %}{% endblock %}
 
 {% block prometheus_alertmanager_repository_version %}
-ENV prometheus_alertmanager_version=0.16.1
+ENV prometheus_alertmanager_version=0.20.0
 {% endblock %}
 
 {% block prometheus_alertmanager_install %}

docker/prometheus/prometheus-blackbox-exporter/Dockerfile.j2

@@ -8,7 +8,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 {% import "macros.j2" as macros with context %}
 
 {% block prometheus_blackbox_exporter_repository_version %}
-ENV blackbox_exporter_version=0.14.0
+ENV blackbox_exporter_version=0.16.0
 {% endblock %}
 
 {% if base_package_type == 'rpm' %}

docker/prometheus/prometheus-elasticsearch-exporter/Dockerfile.j2

@@ -6,7 +6,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 {% block prometheus_elasticsearch_exporter_header %}{% endblock %}
 
 {% block prometheus_elasticsearch_exporter_repository_version %}
-ENV elasticsearch_exporter_version=1.0.2
+ENV elasticsearch_exporter_version=1.1.0
 {% endblock %}
 
 {% block prometheus_elasticsearch_exporter_install %}

docker/prometheus/prometheus-memcached-exporter/Dockerfile.j2

@@ -6,7 +6,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 {% block prometheus_memcached_exporter_header %}{% endblock %}
 
 {% block prometheus_memcached_exporter_repository_version %}
-ENV memcached_exporter_version=0.5.0
+ENV memcached_exporter_version=0.6.0
 {% endblock %}
 
 {% block prometheus_memcached_exporter_install %}

docker/prometheus/prometheus-mtail/Dockerfile.j2

@@ -13,7 +13,7 @@ RUN echo 'There are no mtail binaries for {{ base_arch }}' \
 {% endif %}
 
 {% block prometheus_mtail_version %}
-ARG prometheus_mtail_version=v3.0.0-rc24
+ARG prometheus_mtail_version=v3.0.0-rc35
 ARG prometheus_mtail_url=https://github.com/google/mtail/releases/download/${prometheus_mtail_version}/mtail_${prometheus_mtail_version}_linux_amd64
 {% endblock %}
 

docker/prometheus/prometheus-mysqld-exporter/Dockerfile.j2

@@ -6,7 +6,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 {% block mysqld_exporter_header %}{% endblock %}
 
 {% block mysqld_exporter_repository_version %}
-ENV mysqld_exporter_version=0.11.0
+ENV mysqld_exporter_version=0.12.1
 {% endblock %}
 
 {% block mysqld_exporter_install %}

docker/prometheus/prometheus-node-exporter/Dockerfile.j2

@@ -6,7 +6,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 {% block node_exporter_header %}{% endblock %}
 
 {% block node_exporter_repository_version %}
-ENV node_exporter_version=0.17.0
+ENV node_exporter_version=0.18.1
 {% endblock %}
 
 {% block node_exporter_install %}