From 4ca71667972b56438cd38633998878babc58807a Mon Sep 17 00:00:00 2001 From: Samuel Munilla Date: Wed, 18 Nov 2015 10:59:04 -0500 Subject: atomic-openshift-installer: HA for quick installer This adds the ability to quickly set up a multi-master environment. --- utils/src/ooinstall/openshift_ansible.py | 36 +++++++++++++++++++++++++++----- 1 file changed, 31 insertions(+), 5 deletions(-) (limited to 'utils/src/ooinstall/openshift_ansible.py') diff --git a/utils/src/ooinstall/openshift_ansible.py b/utils/src/ooinstall/openshift_ansible.py index 372f27bda..ec97c4144 100644 --- a/utils/src/ooinstall/openshift_ansible.py +++ b/utils/src/ooinstall/openshift_ansible.py @@ -17,14 +17,31 @@ def set_config(cfg): def generate_inventory(hosts): global CFG + masters = [host for host in hosts if host.master] + nodes = [host for host in hosts if host.node] + proxy = next((host for host in hosts if host.ha_proxy), None) + multiple_masters = len(masters) > 1 base_inventory_path = CFG.settings['ansible_inventory_path'] base_inventory = open(base_inventory_path, 'w') - base_inventory.write('\n[OSEv3:children]\nmasters\nnodes\n') + + base_inventory.write('\n[OSEv3:children]\n') + base_inventory.write('masters\n') + base_inventory.write('nodes\n') + if multiple_masters: + base_inventory.write('etcd\n') + if getattr(proxy, 'run_on', False): + base_inventory.write('lb\n') + base_inventory.write('\n[OSEv3:vars]\n') base_inventory.write('ansible_ssh_user={}\n'.format(CFG.settings['ansible_ssh_user'])) if CFG.settings['ansible_ssh_user'] != 'root': base_inventory.write('ansible_become=true\n') + if multiple_masters: + base_inventory.write('openshift_master_cluster_method=native\n') + base_inventory.write("openshift_master_cluster_hostname={}\n".format(proxy.hostname)) + base_inventory.write("openshift_master_cluster_public_hostname={}\n".format(proxy.public_hostname)) + # Find the correct deployment type for ansible: ver = find_variant(CFG.settings['variant'], @@ -45,19 +62,28 @@ def generate_inventory(hosts): "'enabled': 1, 'gpgcheck': 0}}]\n".format(os.environ['OO_INSTALL_PUDDLE_REPO'])) base_inventory.write('\n[masters]\n') - masters = (host for host in hosts if host.master) for master in masters: write_host(master, base_inventory) + + if len(masters) > 1: + base_inventory.write('\n[etcd]\n') + for master in masters: + write_host(master, base_inventory) + base_inventory.write('\n[nodes]\n') - nodes = (host for host in hosts if host.node) for node in nodes: # TODO: Until the Master can run the SDN itself we have to configure the Masters # as Nodes too. scheduleable = True # If there's only one Node and it's also a Master we want it to be scheduleable: - if node in masters and len(masters) != 1: + if node in masters and len(masters) != len(nodes): scheduleable = False write_host(node, base_inventory, scheduleable) + + if getattr(proxy, 'run_on', False): + base_inventory.write('\n[lb]\n') + write_host(proxy, base_inventory) + base_inventory.close() return base_inventory_path @@ -118,6 +144,7 @@ def default_facts(hosts, verbose=False): facts_env = os.environ.copy() facts_env["OO_INSTALL_CALLBACK_FACTS_YAML"] = CFG.settings['ansible_callback_facts_yaml'] facts_env["ANSIBLE_CALLBACK_PLUGINS"] = CFG.settings['ansible_plugins_directory'] + facts_env["OPENSHIFT_MASTER_CLUSTER_METHOD"] = 'native' if 'ansible_log_path' in CFG.settings: facts_env["ANSIBLE_LOG_PATH"] = CFG.settings['ansible_log_path'] if 'ansible_config' in CFG.settings: @@ -176,4 +203,3 @@ def run_upgrade_playbook(verbose=False): if 'ansible_config' in CFG.settings: facts_env['ANSIBLE_CONFIG'] = CFG.settings['ansible_config'] return run_ansible(playbook, inventory_file, facts_env, verbose) - -- cgit v1.2.3 From df620266882dbf5bede4c5778b29a9e70778b02a Mon Sep 17 00:00:00 2001 From: Samuel Munilla Date: Fri, 20 Nov 2015 10:56:19 -0500 Subject: Breakup inventory writing --- utils/src/ooinstall/openshift_ansible.py | 40 +++++++++++++++++++------------- 1 file changed, 24 insertions(+), 16 deletions(-) (limited to 'utils/src/ooinstall/openshift_ansible.py') diff --git a/utils/src/ooinstall/openshift_ansible.py b/utils/src/ooinstall/openshift_ansible.py index ec97c4144..ff674153d 100644 --- a/utils/src/ooinstall/openshift_ansible.py +++ b/utils/src/ooinstall/openshift_ansible.py @@ -25,23 +25,9 @@ def generate_inventory(hosts): base_inventory_path = CFG.settings['ansible_inventory_path'] base_inventory = open(base_inventory_path, 'w') - base_inventory.write('\n[OSEv3:children]\n') - base_inventory.write('masters\n') - base_inventory.write('nodes\n') - if multiple_masters: - base_inventory.write('etcd\n') - if getattr(proxy, 'run_on', False): - base_inventory.write('lb\n') - - base_inventory.write('\n[OSEv3:vars]\n') - base_inventory.write('ansible_ssh_user={}\n'.format(CFG.settings['ansible_ssh_user'])) - if CFG.settings['ansible_ssh_user'] != 'root': - base_inventory.write('ansible_become=true\n') - if multiple_masters: - base_inventory.write('openshift_master_cluster_method=native\n') - base_inventory.write("openshift_master_cluster_hostname={}\n".format(proxy.hostname)) - base_inventory.write("openshift_master_cluster_public_hostname={}\n".format(proxy.public_hostname)) + write_inventory_children(base_inventory, multiple_masters, proxy) + write_inventory_vars(base_inventory, multiple_masters, proxy) # Find the correct deployment type for ansible: ver = find_variant(CFG.settings['variant'], @@ -87,6 +73,28 @@ def generate_inventory(hosts): base_inventory.close() return base_inventory_path +def write_inventory_children(base_inventory, multiple_masters, proxy): + global CFG + + base_inventory.write('\n[OSEv3:children]\n') + base_inventory.write('masters\n') + base_inventory.write('nodes\n') + if multiple_masters: + base_inventory.write('etcd\n') + if getattr(proxy, 'run_on', False): + base_inventory.write('lb\n') + +def write_inventory_vars(base_inventory, multiple_masters, proxy): + global CFG + base_inventory.write('\n[OSEv3:vars]\n') + base_inventory.write('ansible_ssh_user={}\n'.format(CFG.settings['ansible_ssh_user'])) + if CFG.settings['ansible_ssh_user'] != 'root': + base_inventory.write('ansible_become=true\n') + if multiple_masters: + base_inventory.write('openshift_master_cluster_method=native\n') + base_inventory.write("openshift_master_cluster_hostname={}\n".format(proxy.hostname)) + base_inventory.write("openshift_master_cluster_public_hostname={}\n".format(proxy.public_hostname)) + def write_host(host, inventory, scheduleable=True): global CFG -- cgit v1.2.3 From 0b191360ec7d934b582d0c59cd8e377df92438dd Mon Sep 17 00:00:00 2001 From: Samuel Munilla Date: Fri, 20 Nov 2015 15:58:05 -0500 Subject: atomic-openshift-installer: Rename ha_proxy Rename ha_proxy variables and methods to 'master_lb' to better future-proof things. --- utils/src/ooinstall/openshift_ansible.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'utils/src/ooinstall/openshift_ansible.py') diff --git a/utils/src/ooinstall/openshift_ansible.py b/utils/src/ooinstall/openshift_ansible.py index ff674153d..86c707b17 100644 --- a/utils/src/ooinstall/openshift_ansible.py +++ b/utils/src/ooinstall/openshift_ansible.py @@ -19,7 +19,7 @@ def generate_inventory(hosts): global CFG masters = [host for host in hosts if host.master] nodes = [host for host in hosts if host.node] - proxy = next((host for host in hosts if host.ha_proxy), None) + proxy = next((host for host in hosts if host.master_lb), None) multiple_masters = len(masters) > 1 base_inventory_path = CFG.settings['ansible_inventory_path'] -- cgit v1.2.3