Merge "Pacemaker maintenance mode for the duration of Puppet run on update"

4 files changed, 147 insertions, 0 deletions

diff --git a/extraconfig/tasks/noop.yaml b/extraconfig/tasks/noop.yaml
new file mode 100644
index 00000000..0cff7469
--- /dev/null
+++ b/extraconfig/tasks/noop.yaml
@@ -0,0 +1,10 @@
+heat_template_version: 2014-10-16
+description: 'No-op task'
+
+parameters:
+  servers:
+    type: json
+  input_values:
+    type: json
+    default: {}
+    description: input values for the software deployments
diff --git a/extraconfig/tasks/pacemaker_resource_restart.sh b/extraconfig/tasks/pacemaker_resource_restart.sh
new file mode 100755
index 00000000..ad3c3701
--- /dev/null
+++ b/extraconfig/tasks/pacemaker_resource_restart.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+
+set -eux
+
+pacemaker_status=$(systemctl is-active pacemaker)
+check_interval=3
+
+function check_resource {
+
+  service=$1
+  state=$2
+  timeout=$3
+  tstart=$(date +%s)
+  tend=$(( $tstart + $timeout ))
+
+  if [ "$state" = "stopped" ]; then
+      match_for_incomplete='Started'
+  else # started
+      match_for_incomplete='Stopped'
+  fi
+
+  while (( $(date +%s) < $tend )); do
+      node_states=$(pcs status --full | grep "$service" | grep -v Clone)
+      if echo "$node_states" | grep -q "$match_for_incomplete"; then
+          echo "$service not yet $state, sleeping $check_interval seconds."
+          sleep $check_interval
+      else
+        echo "$service has $state"
+        return
+      fi
+  done
+
+  echo "$service never $state after $timeout seconds" | tee /dev/fd/2
+  exit 1
+
+}
+
+# Run if pacemaker is running, we're the bootstrap node,
+# and we're updating the deployment (not creating).
+if [ "$pacemaker_status" = "active" -a \
+     "$(hiera bootstrap_nodeid)" = "$(facter hostname)" -a \
+     "$(hiera update_identifier)" != "nil" ]; then
+
+    pcs resource disable httpd
+    check_resource httpd stopped 300
+    pcs resource disable openstack-keystone
+    check_resource openstack-keystone stopped 1200
+
+    if pcs status | grep haproxy-clone; then
+        pcs resource restart haproxy-clone
+    fi
+    pcs resource restart redis-master
+    pcs resource restart mongod-clone
+    pcs resource restart rabbitmq-clone
+    pcs resource restart memcached-clone
+    pcs resource restart galera-master
+
+    pcs resource enable openstack-keystone
+    check_resource openstack-keystone started 300
+    pcs resource enable httpd
+    check_resource httpd started 800
+
+fi
diff --git a/extraconfig/tasks/post_puppet_pacemaker.yaml b/extraconfig/tasks/post_puppet_pacemaker.yaml
new file mode 100644
index 00000000..7de41d94
--- /dev/null
+++ b/extraconfig/tasks/post_puppet_pacemaker.yaml
@@ -0,0 +1,44 @@
+heat_template_version: 2014-10-16
+description: 'Post-Puppet Config for Pacemaker deployments'
+
+parameters:
+  servers:
+    type: json
+  input_values:
+     type: json
+     description: input values for the software deployments
+
+resources:
+
+  ControllerPostPuppetMaintenanceModeConfig:
+    type: OS::Heat::SoftwareConfig
+    properties:
+      group: script
+      config: |
+        #!/bin/bash
+        pacemaker_status=$(systemctl is-active pacemaker)
+
+        if [ "$pacemaker_status" = "active" ]; then
+            pcs property set maintenance-mode=false
+        fi
+
+  ControllerPostPuppetMaintenanceModeDeployment:
+    type: OS::Heat::SoftwareDeployments
+    properties:
+      servers:  {get_param: servers}
+      config: {get_resource: ControllerPostPuppetMaintenanceModeConfig}
+      input_values: {get_param: input_values}
+
+  ControllerPostPuppetRestartConfig:
+    type: OS::Heat::SoftwareConfig
+    properties:
+      group: script
+      config: {get_file: pacemaker_resource_restart.sh}
+
+  ControllerPostPuppetRestartDeployment:
+    type: OS::Heat::SoftwareDeployments
+    depends_on: ControllerPostPuppetMaintenanceModeDeployment
+    properties:
+      servers:  {get_param: servers}
+      config: {get_resource: ControllerPostPuppetRestartConfig}
+      input_values: {get_param: input_values}
diff --git a/extraconfig/tasks/pre_puppet_pacemaker.yaml b/extraconfig/tasks/pre_puppet_pacemaker.yaml
new file mode 100644
index 00000000..2cfe92a7
--- /dev/null
+++ b/extraconfig/tasks/pre_puppet_pacemaker.yaml
@@ -0,0 +1,30 @@
+heat_template_version: 2014-10-16
+description: 'Pre-Puppet Config for Pacemaker deployments'
+
+parameters:
+  servers:
+    type: json
+  input_values:
+     type: json
+     description: input values for the software deployments
+
+resources:
+
+  ControllerPrePuppetMaintenanceModeConfig:
+    type: OS::Heat::SoftwareConfig
+    properties:
+      group: script
+      config: |
+        #!/bin/bash
+        pacemaker_status=$(systemctl is-active pacemaker)
+
+        if [ "$pacemaker_status" = "active" ]; then
+            pcs property set maintenance-mode=true
+        fi
+
+  ControllerPrePuppetMaintenanceModeDeployment:
+    type: OS::Heat::SoftwareDeployments
+    properties:
+      servers:  {get_param: servers}
+      config: {get_resource: ControllerPrePuppetMaintenanceModeConfig}
+      input_values: {get_param: input_values}