12 files changed, 134 insertions, 10 deletions
diff --git a/playbooks/aws/openshift-cluster/cluster_hosts.yml b/playbooks/aws/openshift-cluster/cluster_hosts.yml
index 119df9c7d..c2f4dfedc 100644
--- a/playbooks/aws/openshift-cluster/cluster_hosts.yml
+++ b/playbooks/aws/openshift-cluster/cluster_hosts.yml
@@ -4,6 +4,8 @@ g_all_hosts: "{{ groups['tag_clusterid_' ~ cluster_id] | default([])
 
 g_etcd_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type_etcd'] | default([])) }}"
 
+g_new_etcd_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type_new_etcd'] | default([])) }}"
+
 g_lb_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type_lb'] | default([])) }}"
 
 g_nfs_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type_nfs'] | default([])) }}"
diff --git a/playbooks/byo/openshift-cluster/cluster_hosts.yml b/playbooks/byo/openshift-cluster/cluster_hosts.yml
index 0db7ccf89..e807ac004 100644
--- a/playbooks/byo/openshift-cluster/cluster_hosts.yml
+++ b/playbooks/byo/openshift-cluster/cluster_hosts.yml
@@ -1,6 +1,8 @@
 ---
 g_etcd_hosts: "{{ groups.etcd | default([]) }}"
 
+g_new_etcd_hosts: "{{ groups.new_etcd | default([]) }}"
+
 g_lb_hosts: "{{ groups.lb | default([]) }}"
 
 g_master_hosts: "{{ groups.masters | default([]) }}"
@@ -18,7 +20,7 @@ g_glusterfs_hosts: "{{ groups.glusterfs | default([]) }}"
 g_glusterfs_registry_hosts: "{{ groups.glusterfs_registry | default(g_glusterfs_hosts) }}"
 
 g_all_hosts: "{{ g_master_hosts | union(g_node_hosts) | union(g_etcd_hosts)
-                 | union(g_lb_hosts) | union(g_nfs_hosts)
+                 | union(g_new_etcd_hosts) | union(g_lb_hosts) | union(g_nfs_hosts)
                  | union(g_new_node_hosts)| union(g_new_master_hosts)
                  | union(g_glusterfs_hosts) | union(g_glusterfs_registry_hosts)
                  | default([]) }}"
diff --git a/playbooks/byo/openshift-cluster/config.yml b/playbooks/byo/openshift-cluster/config.yml
index acf5469bf..c0978c6f6 100644
--- a/playbooks/byo/openshift-cluster/config.yml
+++ b/playbooks/byo/openshift-cluster/config.yml
@@ -3,10 +3,6 @@
   tags:
   - always
 
-- include: ../../common/openshift-cluster/std_include.yml
-  tags:
-  - always
-
 - include: ../../common/openshift-cluster/config.yml
   vars:
     openshift_cluster_id: "{{ cluster_id | default('default') }}"
diff --git a/playbooks/byo/openshift-etcd/scaleup.yml b/playbooks/byo/openshift-etcd/scaleup.yml
new file mode 100644
index 000000000..f03854c2a
--- /dev/null
+++ b/playbooks/byo/openshift-etcd/scaleup.yml
@@ -0,0 +1,22 @@
+---
+- hosts: localhost
+  connection: local
+  become: no
+  gather_facts: no
+  tasks:
+  - include_vars: ../../byo/openshift-cluster/cluster_hosts.yml
+  - add_host:
+      name: "{{ item }}"
+      groups: l_oo_all_hosts
+    with_items: "{{ g_all_hosts }}"
+
+- hosts: l_oo_all_hosts
+  gather_facts: no
+  tasks:
+  - include_vars: ../../byo/openshift-cluster/cluster_hosts.yml
+
+- include: ../../common/openshift-cluster/evaluate_groups.yml
+- include: ../../common/openshift-etcd/scaleup.yml
+  vars:
+    openshift_cluster_id: "{{ cluster_id | default('default') }}"
+    openshift_deployment_type: "{{ deployment_type }}"
diff --git a/playbooks/common/openshift-cluster/config.yml b/playbooks/common/openshift-cluster/config.yml
index 31c4b04af..7136f1c1f 100644
--- a/playbooks/common/openshift-cluster/config.yml
+++ b/playbooks/common/openshift-cluster/config.yml
@@ -1,4 +1,8 @@
 ---
+- include: std_include.yml
+  tags:
+  - always
+
 # TODO: refactor this into its own include
 # and pass a variable for ctx
 - name: Verify Requirements
diff --git a/playbooks/common/openshift-cluster/evaluate_groups.yml b/playbooks/common/openshift-cluster/evaluate_groups.yml
index baca72c58..8accda8c7 100644
--- a/playbooks/common/openshift-cluster/evaluate_groups.yml
+++ b/playbooks/common/openshift-cluster/evaluate_groups.yml
@@ -5,10 +5,10 @@
   become: no
   gather_facts: no
   tasks:
-  - name: Evaluate groups - g_etcd_hosts required
+  - name: Evaluate groups - g_etcd_hosts or g_new_etcd_hosts required
     fail:
-      msg: This playbook requires g_etcd_hosts to be set
-    when: g_etcd_hosts is not defined
+      msg: This playbook requires g_etcd_hosts or g_new_etcd_hosts to be set
+    when: "{{ g_etcd_hosts is not defined and g_new_etcd_hosts is not defined}}"
 
   - name: Evaluate groups - g_master_hosts or g_new_master_hosts required
     fail:
@@ -67,6 +67,15 @@
     when: g_master_hosts|length > 0
     changed_when: no
 
+  - name: Evaluate oo_new_etcd_to_config
+    add_host:
+      name: "{{ item }}"
+      groups: oo_new_etcd_to_config
+      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
+      ansible_become: "{{ g_sudo | default(omit) }}"
+    with_items: "{{ g_new_etcd_hosts | default([]) }}"
+    changed_when: no
+
   - name: Evaluate oo_masters_to_config
     add_host:
       name: "{{ item }}"
diff --git a/playbooks/common/openshift-cluster/openshift_logging.yml b/playbooks/common/openshift-cluster/openshift_logging.yml
index 57580406c..c5f0c406a 100644
--- a/playbooks/common/openshift-cluster/openshift_logging.yml
+++ b/playbooks/common/openshift-cluster/openshift_logging.yml
@@ -1,5 +1,5 @@
 ---
-- include: evaluate_groups.yml
+- include: std_include.yml
 
 - name: OpenShift Aggregated Logging
   hosts: oo_first_master
diff --git a/playbooks/common/openshift-etcd/scaleup.yml b/playbooks/common/openshift-etcd/scaleup.yml
new file mode 100644
index 000000000..47fa8cdf5
--- /dev/null
+++ b/playbooks/common/openshift-etcd/scaleup.yml
@@ -0,0 +1,30 @@
+---
+- name: Configure etcd
+  hosts: oo_new_etcd_to_config
+  serial: 1
+  any_errors_fatal: true
+  vars:
+    etcd_ca_host: "{{ groups.oo_etcd_to_config.0 }}"
+  pre_tasks:
+  - name: Add new etcd members to cluster
+    command: >
+      /usr/bin/etcdctl  --cert-file {{ etcd_peer_cert_file }}
+                        --key-file {{ etcd_peer_key_file }}
+                        --ca-file {{ etcd_peer_ca_file }}
+                        -C {{ etcd_peer_url_scheme }}://{{ etcd_ca_host }}:{{ etcd_client_port }}
+                        member add {{ inventory_hostname }} {{ etcd_peer_url_scheme }}://{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}:{{ etcd_peer_port }}
+    delegate_to: "{{ etcd_ca_host }}"
+    register: etcd_add_check
+  roles:
+  - role: openshift_etcd
+    when: etcd_add_check.rc == 0
+    etcd_peers: "{{ groups.oo_etcd_to_config | union(groups.oo_new_etcd_to_config)| default([], true) }}"
+    etcd_ca_host: "{{ groups.oo_etcd_to_config.0 }}"
+    etcd_certificates_etcd_hosts: "{{ groups.oo_etcd_to_config | default([], true) }}"
+    etcd_initial_cluster_state: "existing"
+    initial_etcd_cluster: "{{ etcd_add_check.stdout_lines[3] | regex_replace('ETCD_INITIAL_CLUSTER=','') }}"
+    etcd_hostname: "{{ inventory_hostname }}"
+    etcd_ca_setup: False
+    r_etcd_common_etcd_runtime: "{{ openshift.common.etcd_runtime }}"
+  - role: nickhammond.logrotate
+    when: etcd_add_check.rc == 0
diff --git a/playbooks/common/openshift-master/config.yml b/playbooks/common/openshift-master/config.yml
index 5de03951c..b30450def 100644
--- a/playbooks/common/openshift-master/config.yml
+++ b/playbooks/common/openshift-master/config.yml
@@ -5,6 +5,19 @@
     t_oo_option_master_debug_level: "{{ lookup('oo_option', 'openshift_master_debug_level') }}"
 
   pre_tasks:
+  # Per https://bugzilla.redhat.com/show_bug.cgi?id=1469336
+  #
+  # When scaling up a cluster upgraded from OCP <= 3.5, ensure that
+  # OPENSHIFT_DEFAULT_REGISTRY is present as defined on the existing
+  # masters, or absent if such is the case.
+  - name: Detect if this host is a new master in a scale up
+    set_fact:
+      g_openshift_master_is_scaleup: "{{ openshift.common.hostname in ( groups['new_masters'] | default([]) ) }}"
+
+  - name: Scaleup Detection
+    debug:
+      var: g_openshift_master_is_scaleup
+
   - name: Check for RPM generated config marker file .config_managed
     stat:
       path: /etc/origin/.config_managed
@@ -69,7 +82,7 @@
         ha: "{{ openshift_master_ha | default(groups.oo_masters | length > 1) }}"
         master_count: "{{ openshift_master_count | default(groups.oo_masters | length) }}"
 
-- name: Inspect state of first master session secrets and config
+- name: Inspect state of first master config settings
   hosts: oo_first_master
   roles:
   - role: openshift_facts
@@ -98,6 +111,42 @@
     set_fact:
       l_etcd3_enabled: "{{ etcd3_grep.rc == 0 | bool }}"
 
+  - name: Check if atomic-openshift-master sysconfig exists yet
+    stat:
+      path: /etc/sysconfig/atomic-openshift-master
+    register: l_aom_exists
+
+  - name: Preserve OPENSHIFT_DEFAULT_REGISTRY master parameter if present
+    command: awk '/^OPENSHIFT_DEFAULT_REGISTRY/' /etc/sysconfig/atomic-openshift-master
+    register: l_default_registry_defined
+    when: l_aom_exists.stat.exists | bool
+
+  - name: Check if atomic-openshift-master-api sysconfig exists yet
+    stat:
+      path: /etc/sysconfig/atomic-openshift-master-api
+    register: l_aom_api_exists
+
+  - name: Preserve OPENSHIFT_DEFAULT_REGISTRY master-api parameter if present
+    command: awk '/^OPENSHIFT_DEFAULT_REGISTRY/' /etc/sysconfig/atomic-openshift-master-api
+    register: l_default_registry_defined_api
+    when: l_aom_api_exists.stat.exists | bool
+
+  - name: Check if atomic-openshift-master-controllers sysconfig exists yet
+    stat:
+      path: /etc/sysconfig/atomic-openshift-master-controllers
+    register: l_aom_controllers_exists
+
+  - name: Preserve OPENSHIFT_DEFAULT_REGISTRY master-controllers parameter if present
+    command: awk '/^OPENSHIFT_DEFAULT_REGISTRY/' /etc/sysconfig/atomic-openshift-master-controllers
+    register: l_default_registry_defined_controllers
+    when: l_aom_controllers_exists.stat.exists | bool
+
+  - name: Update facts with OPENSHIFT_DEFAULT_REGISTRY value
+    set_fact:
+      l_default_registry_value: "{{ l_default_registry_defined.stdout | default('') }}"
+      l_default_registry_value_api: "{{ l_default_registry_defined_api.stdout | default('') }}"
+      l_default_registry_value_controllers: "{{ l_default_registry_defined_controllers.stdout | default('') }}"
+
 - name: Generate master session secrets
   hosts: oo_first_master
   vars:
@@ -145,6 +194,10 @@
     etcd_cert_prefix: "master.etcd-"
     r_openshift_master_clean_install: "{{ hostvars[groups.oo_first_master.0].l_clean_install }}"
     r_openshift_master_etcd3_storage: "{{ hostvars[groups.oo_first_master.0].l_etcd3_enabled }}"
+    openshift_master_is_scaleup_host: "{{ g_openshift_master_is_scaleup | default(false) }}"
+    openshift_master_default_registry_value: "{{ hostvars[groups.oo_first_master.0].l_default_registry_value }}"
+    openshift_master_default_registry_value_api: "{{ hostvars[groups.oo_first_master.0].l_default_registry_value_api }}"
+    openshift_master_default_registry_value_controllers: "{{ hostvars[groups.oo_first_master.0].l_default_registry_value_controllers }}"
   - role: nuage_master
     when: openshift.common.use_nuage | bool
   - role: calico_master
diff --git a/playbooks/gce/openshift-cluster/cluster_hosts.yml b/playbooks/gce/openshift-cluster/cluster_hosts.yml
index 05a58db73..e5f41382b 100644
--- a/playbooks/gce/openshift-cluster/cluster_hosts.yml
+++ b/playbooks/gce/openshift-cluster/cluster_hosts.yml
@@ -4,6 +4,8 @@ g_all_hosts: "{{ groups['tag_clusterid-' ~ cluster_id] | default([])
 
 g_etcd_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type-etcd'] | default([])) }}"
 
+g_new_etcd_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type-new_etcd'] | default([])) }}"
+
 g_lb_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type-lb'] | default([])) }}"
 
 g_nfs_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type-nfs'] | default([])) }}"
diff --git a/playbooks/libvirt/openshift-cluster/cluster_hosts.yml b/playbooks/libvirt/openshift-cluster/cluster_hosts.yml
index 05a58db73..e5f41382b 100644
--- a/playbooks/libvirt/openshift-cluster/cluster_hosts.yml
+++ b/playbooks/libvirt/openshift-cluster/cluster_hosts.yml
@@ -4,6 +4,8 @@ g_all_hosts: "{{ groups['tag_clusterid-' ~ cluster_id] | default([])
 
 g_etcd_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type-etcd'] | default([])) }}"
 
+g_new_etcd_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type-new_etcd'] | default([])) }}"
+
 g_lb_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type-lb'] | default([])) }}"
 
 g_nfs_hosts: "{{ g_all_hosts | intersect(groups['tag_host-type-nfs'] | default([])) }}"
diff --git a/playbooks/openstack/openshift-cluster/cluster_hosts.yml b/playbooks/openstack/openshift-cluster/cluster_hosts.yml
index 505f7b3a8..12c9fd442 100644
--- a/playbooks/openstack/openshift-cluster/cluster_hosts.yml
+++ b/playbooks/openstack/openshift-cluster/cluster_hosts.yml
@@ -4,6 +4,8 @@ g_all_hosts: "{{ groups['meta-clusterid_' ~ cluster_id] | default([])
 
 g_etcd_hosts: "{{ g_all_hosts | intersect(groups['meta-host-type_etcd'] | default([])) }}"
 
+g_new_etcd_hosts: "{{ g_all_hosts | intersect(groups['meta-host-type_new_etcd'] | default([])) }}"
+
 g_lb_hosts: "{{ g_all_hosts | intersect(groups['meta-host-type_lb'] | default([])) }}"
 
 g_nfs_hosts: "{{ g_all_hosts | intersect(groups['meta-host-type_nfs'] | default([])) }}"