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Precision Time Protocol (PTP) is a protocol used to synchronize clocks throughout a network. When used in conjunction with hardware support, PTP is capable of sub-microsecond accuracy which is far better than is normally obtainable with NTP. Change-Id: I98a1833db28944cfd5a89e4f28c192bb9af8ebbb Depends-On: Idc78df3a90b73be504480bc9d33a3f0041d2d84fchanges/17/491317/25
zshi
5 years ago
committed by
Zenghui Shi
26 changed files with 151 additions and 1 deletions
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# A Heat environment file that can be used to deploy PTP service |
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resource_registry: |
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OS::TripleO::Services::Ntp: OS::Heat::None |
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OS::TripleO::Services::Ptp: ../../puppet/services/time/ptp.yaml |
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parameter_defaults: |
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# PTP hardware interface name |
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# PtpInterface: 'nic1' |
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# Configure PTP clock in slave mode |
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PtpSlaveMode: 1 |
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# Configure PTP message transport protocol |
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PtpMessageTransport: 'UDPv4' |
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heat_template_version: queens |
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description: > |
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PTP service deployment using puppet, this YAML file |
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creates the interface between the HOT template and |
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the puppet manifest that actually installs and |
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configure PTP. |
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parameters: |
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ServiceData: |
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default: {} |
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description: Dictionary packing service data |
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type: json |
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ServiceNetMap: |
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default: {} |
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description: Mapping of service_name -> network name. |
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Typically set via parameter_defaults in |
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the resource registry. This mapping |
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overrides those in ServiceNetMapDefaults. |
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type: json |
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DefaultPasswords: |
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default: {} |
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type: json |
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RoleName: |
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default: '' |
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description: Role name on which the service is applied |
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type: string |
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RoleParameters: |
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default: {} |
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description: Parameters specific to the role |
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type: json |
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EndpointMap: |
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default: {} |
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description: Mapping of service endpoint -> protocol. |
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Typically set via parameter_defaults in |
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the resource registry. |
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type: json |
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PtpInterface: |
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default: nic1 |
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description: PTP interface name. |
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type: string |
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PtpSlaveMode: |
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default: 1 |
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description: Configure PTP clock in slave mode. |
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type: number |
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PtpMessageTransport: |
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default: UDPv4 |
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description: Configure PTP message transport protocol. |
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type: string |
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resources: |
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RoleParametersValue: |
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type: OS::Heat::Value |
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properties: |
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type: json |
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value: |
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map_replace: |
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- map_replace: |
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- tripleo::profile::base::time::ptp::ptp4l_interface: PtpInterface |
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tripleo::profile::base::time::ptp::ptp4l_conf_slaveOnly: PtpSlaveMode |
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tripleo::profile::base::time::ptp::ptp4l_conf_network_transport: PtpMessageTransport |
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- values: {get_param: [RoleParameters]} |
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- values: |
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PtpInterface: {get_param: PtpInterface} |
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PtpSlaveMode: {get_param: PtpSlaveMode} |
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PtpMessageTransport: {get_param: PtpMessageTransport} |
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outputs: |
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role_data: |
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description: Role ptp using commposable services. |
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value: |
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service_name: ptp |
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config_settings: |
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map_merge: |
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- get_attr: [RoleParametersValue, value] |
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- tripleo.ptp.firewall_rules: |
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'151 ptp': |
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proto: udp |
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dport: |
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- 319 |
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- 320 |
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step_config: | |
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include ::tripleo::profile::base::time::ptp |
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upgrade_tasks: |
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- name: Check if NTP is deployed |
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command: systemctl is-enabled ntpd |
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tags: common |
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ignore_errors: True |
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register: ntp_enabled |
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- name: Validation |
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shell: /usr/bin/systemctl show 'ntpd' --property ActiveState | grep '\bactive\b' |
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when: ntp_enabled.rc == 0 |
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tags: step0,validation |
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- name: Stop NTP service |
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service: name=ntpd state=stopped |
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when: ntp_enabled.rc == 0 |
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tags: step2 |
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- name: Disable NTP service |
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service: name=ntpd state=stopped |
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ignore_errors: True |
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when: ntp_enabled.rc == 0 |
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tags: step2 |
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--- |
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features: |
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- Add the ability to deploy PTP. Precision Time Protocol (PTP) is a protocol |
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used to synchronize clocks throughout a compute network. With hardware |
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timestamping support on the host, PTP can achieve clock accuracy in the |
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sub-microsecond range. PTP can be used as an alternative to NTP for high |
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precision clock calibration. |
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