Merge pull request #1838 from ceph/rgw-units

Rgw units

group_vars/all.yml.sample

@@ -327,7 +327,6 @@ dummy:
 #radosgw_dns_name: your.subdomain.tld # subdomains used by radosgw. See http://ceph.com/docs/master/radosgw/config/#enabling-subdomain-s3-calls
 #radosgw_resolve_cname: false # enable for radosgw to resolve DNS CNAME based bucket names
 #radosgw_civetweb_port: 8080
-#radosgw_civetweb_bind_ip: "{{ ansible_default_ipv4.address }}" # when using ipv6 enclose with brackets: "[{{ ansible_default_ipv6.address }}]"
 #radosgw_civetweb_num_threads: 100
 # For additional civetweb configuration options available such as SSL, logging,
 # keepalive, and timeout settings, please see the civetweb docs at
@@ -366,11 +365,23 @@ dummy:
 # Obviously between the checks (for monitors to be in quorum and for osd's pgs
 # to be clean) we have to wait. These retries and delays can be configurable
 # for both monitors and osds.
+#
+# Monitor handler checks
 #handler_health_mon_check_retries: 5
 #handler_health_mon_check_delay: 10
+#
+# OSD handler checks
 #handler_health_osd_check_retries: 40
 #handler_health_osd_check_delay: 30
 #handler_health_osd_check: true
+#
+# MDS handler checks
+#handler_health_mds_check_retries: 5
+#handler_health_mds_check_delay: 10
+#
+# RGW handler checks
+#handler_health_rgw_check_retries: 5
+#handler_health_rgw_check_delay: 10
 
 # Confiure the type of NFS gatway access.  At least one must be enabled for an
 # NFS role to be useful

group_vars/rhcs.yml.sample

@@ -327,7 +327,6 @@ ceph_repository: rhcs
 #radosgw_dns_name: your.subdomain.tld # subdomains used by radosgw. See http://ceph.com/docs/master/radosgw/config/#enabling-subdomain-s3-calls
 #radosgw_resolve_cname: false # enable for radosgw to resolve DNS CNAME based bucket names
 #radosgw_civetweb_port: 8080
-#radosgw_civetweb_bind_ip: "{{ ansible_default_ipv4.address }}" # when using ipv6 enclose with brackets: "[{{ ansible_default_ipv6.address }}]"
 #radosgw_civetweb_num_threads: 100
 # For additional civetweb configuration options available such as SSL, logging,
 # keepalive, and timeout settings, please see the civetweb docs at
@@ -366,11 +365,23 @@ ceph_repository: rhcs
 # Obviously between the checks (for monitors to be in quorum and for osd's pgs
 # to be clean) we have to wait. These retries and delays can be configurable
 # for both monitors and osds.
+#
+# Monitor handler checks
 #handler_health_mon_check_retries: 5
 #handler_health_mon_check_delay: 10
+#
+# OSD handler checks
 #handler_health_osd_check_retries: 40
 #handler_health_osd_check_delay: 30
 #handler_health_osd_check: true
+#
+# MDS handler checks
+#handler_health_mds_check_retries: 5
+#handler_health_mds_check_delay: 10
+#
+# RGW handler checks
+#handler_health_rgw_check_retries: 5
+#handler_health_rgw_check_delay: 10
 
 # Confiure the type of NFS gatway access.  At least one must be enabled for an
 # NFS role to be useful

roles/ceph-defaults/defaults/main.yml

@@ -319,7 +319,6 @@ mds_max_mds: 3
 #radosgw_dns_name: your.subdomain.tld # subdomains used by radosgw. See http://ceph.com/docs/master/radosgw/config/#enabling-subdomain-s3-calls
 radosgw_resolve_cname: false # enable for radosgw to resolve DNS CNAME based bucket names
 radosgw_civetweb_port: 8080
-radosgw_civetweb_bind_ip: "{{ ansible_default_ipv4.address }}" # when using ipv6 enclose with brackets: "[{{ ansible_default_ipv6.address }}]"
 radosgw_civetweb_num_threads: 100
 # For additional civetweb configuration options available such as SSL, logging,
 # keepalive, and timeout settings, please see the civetweb docs at
@@ -358,11 +357,23 @@ restapi_port: 5000
 # Obviously between the checks (for monitors to be in quorum and for osd's pgs
 # to be clean) we have to wait. These retries and delays can be configurable
 # for both monitors and osds.
+#
+# Monitor handler checks
 handler_health_mon_check_retries: 5
 handler_health_mon_check_delay: 10
+#
+# OSD handler checks
 handler_health_osd_check_retries: 40
 handler_health_osd_check_delay: 30
 handler_health_osd_check: true
+#
+# MDS handler checks
+handler_health_mds_check_retries: 5
+handler_health_mds_check_delay: 10
+#
+# RGW handler checks
+handler_health_rgw_check_retries: 5
+handler_health_rgw_check_delay: 10
 
 # Confiure the type of NFS gatway access.  At least one must be enabled for an
 # NFS role to be useful

roles/ceph-defaults/handlers/main.yml

@@ -64,28 +64,44 @@
     - inventory_hostname in play_hosts
     - osd_group_name in group_names
 
-- name: restart ceph mdss
+- name: copy mds restart script
-  service:
+  template:
-    name: ceph-mds@{{ mds_name }}
+    src: restart_mds_daemon.sh.j2
-    state: restarted
+    dest: /tmp/restart_mds_daemon.sh
-  # serial: 1 would be the proper solution here, but that can only be set on play level
+    owner: root
-  # upstream issue: https://github.com/ansible/ansible/issues/12170
+    group: root
-  run_once: true
+    mode: 0750
-  with_items: "{{ groups.get(mds_group_name, []) }}"
+  listen: "restart ceph mdss"
-  delegate_to: "{{ item }}"
   when:
+    - inventory_hostname in play_hosts
     - mds_group_name in group_names
 
-- name: restart ceph rgws
+- name: restart ceph mds daemon(s)
-  service:
+  command: /tmp/restart_mds_daemon.sh
-    name: ceph-radosgw@rgw.{{ ansible_hostname }}
+  listen: "restart ceph mdss"
-    state: restarted
-  # serial: 1 would be the proper solution here, but that can only be set on play level
-  # upstream issue: https://github.com/ansible/ansible/issues/12170
-  run_once: true
-  with_items: "{{ groups.get(rgw_group_name, []) }}"
-  delegate_to: "{{ item }}"
   when:
+    # We do not want to run these checks on initial deployment (`socket.rc == 0`)
+    - socket.rc == 0
+    - mds_group_name in group_names
+
+- name: copy rgw restart script
+  template:
+    src: restart_rgw_daemon.sh.j2
+    dest: /tmp/restart_rgw_daemon.sh
+    owner: root
+    group: root
+    mode: 0750
+  listen: "restart ceph rgws"
+  when:
+    - inventory_hostname in play_hosts
+    - rgw_group_name in group_names
+
+- name: restart ceph rgw daemon(s)
+  command: /tmp/restart_rgw_daemon.sh
+  listen: "restart ceph rgws"
+  when:
+    # We do not want to run these checks on initial deployment (`socket.rc == 0`)
+    - socket.rc == 0
     - rgw_group_name in group_names
 
 - name: restart ceph nfss

roles/ceph-defaults/templates/restart_mds_daemon.sh.j2

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+RETRIES="{{ handler_health_mds_check_retries }}"
+DELAY="{{ handler_health_mds_check_delay }}"
+MDS_NAME="{{ ansible_hostname }}"
+SOCKET=/var/run/ceph/{{ cluster }}-mds.${MDS_NAME}.asok
+
+# First, restart the daemon
+systemctl restart ceph-mds@${MDS_NAME}
+
+COUNT=10
+# Wait and ensure the socket exists after restarting the daemds
+while [ $RETRIES -ne 0 ]; do
+  {{ docker_exec_cmd }} test -S $SOCKET && exit 0
+  sleep $DELAY
+  let RETRIES=RETRIES-1
+done
+# If we reach this point, it means the socket is not present.
+echo "Socket file ${SOCKET} could not be found, which means the Metadata Server is not running."
+exit 1

roles/ceph-defaults/templates/restart_rgw_daemon.sh.j2

@@ -0,0 +1,65 @@
+#!/bin/bash
+
+RETRIES="{{ handler_health_rgw_check_retries }}"
+DELAY="{{ handler_health_rgw_check_delay }}"
+RGW_NAME="{{ ansible_hostname }}"
+RGW_PORT="{{ radosgw_civetweb_port }}"
+SOCKET=/var/run/ceph/{{ cluster }}-client.rgw.${RGW_NAME}.asok
+
+{% if radosgw_address_block | length > 0 %}
+  {% if ip_version == 'ipv4' -%}
+RGW_IP={{ hostvars[inventory_hostname]['ansible_all_' + ip_version + '_addresses'] | ipaddr(radosgw_address_block) | first }}
+  {%- elif ip_version == 'ipv6' -%}
+RGW_IP=[{{ hostvars[inventory_hostname]['ansible_all_' + ip_version + '_addresses'] | ipaddr(radosgw_address_block) | first }}]
+  {%- endif %}
+{% elif hostvars[inventory_hostname]['radosgw_address'] is defined and hostvars[inventory_hostname]['radosgw_address'] != '0.0.0.0' -%}
+  {% if ip_version == 'ipv4' -%}
+RGW_IP={{ hostvars[inventory_hostname]['radosgw_address'] }}
+  {%- elif ip_version == 'ipv6' -%}
+RGW_IP=[{{ hostvars[inventory_hostname]['radosgw_address'] }}]
+  {% endif %}
+{%- else -%}
+  {% set interface = ["ansible_",radosgw_interface]|join %}
+  {% if ip_version == 'ipv6' -%}
+RGW_IP=[{{ hostvars[inventory_hostname][interface][ip_version][0]['address'] }}]
+  {%- elif ip_version == 'ipv4' -%}
+RGW_IP={{ hostvars[inventory_hostname][interface][ip_version]['address'] }}
+  {% endif %}
+{%- endif %}
+
+check_for_curl_or_wget() {
+  if {{ docker_exec_cmd }} command -v wget &>/dev/null; then
+    rgw_test_command="wget --quiet"
+  elif {{ docker_exec_cmd }} command -v curl &>/dev/null; then
+    rgw_test_command="curl --fail --silent --output /dev/null"
+  else
+    echo "It seems that neither curl or wget are available on your system."
+    echo "Cannot test rgw connection."
+    exit 0
+  fi
+}
+
+check_rest() {
+  check_for_curl_or_wget
+  while [ $RETRIES -ne 0 ]; do
+    test "$rgw_test_command http://$RGW_IP:$RGW_PORT" && exit 0
+    sleep $DELAY
+    let RETRIES=RETRIES-1
+  done
+  # If we reach this point, it means there is a problem with the connection to rgw
+  echo "Error connecting locally to Rados Gateway service: http://$rgw_listen"
+  exit 1
+}
+
+# First, restart the daemon
+systemctl restart ceph-radosgw@rgw.${RGW_NAME}
+
+COUNT=10
+# Wait and ensure the socket exists after restarting the daemon
+while [ $COUNT -ne 0 ]; do
+  {{ docker_exec_cmd }} test -S $SOCKET && check_rest
+  sleep 1
+  let COUNT=COUNT-1
+done
+echo "Socket file ${SOCKET} could not be found, which means Rados Gateway is not running."
+exit 1

roles/ceph-rgw/tasks/start_radosgw.yml

@@ -1,18 +1,10 @@
 ---
-- name: check if rgw is started
-  command: /etc/init.d/radosgw status
-  register: rgwstatus
-  changed_when: false
-  failed_when: false
-  always_run: true
-
 - name: ensure systemd service override directory exists
   file:
     state: directory
     path: "/etc/systemd/system/ceph-rgw@.service.d/"
   when:
     - ceph_rgw_systemd_overrides is defined
-    - ansible_service_mgr == 'systemd'
 
 - name: add ceph-rgw systemd service overrides
   config_template:
@@ -22,7 +14,6 @@
     config_type: "ini"
   when:
     - ceph_rgw_systemd_overrides is defined
-    - ansible_service_mgr == 'systemd'
 
 - name: start rgw
   service: