Merge pull request #715 from ryanbreen/datacenter
s/data center/datacenter/g
This commit is contained in:
Ryan Breen
commit
f08d305406
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@ -172,7 +172,7 @@ func (c *Command) readConfig() *Config {
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}
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}
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// Verify data center is valid
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// Verify datacenter is valid
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if !validDatacenter.MatchString(config.Datacenter) {
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c.Ui.Error("Datacenter must be alpha-numeric with underscores and hypens only")
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return nil
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@ -96,7 +96,7 @@ type Server struct {
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left bool
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// localConsuls is used to track the known consuls
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// in the local data center. Used to do leader forwarding.
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// in the local datacenter. Used to do leader forwarding.
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localConsuls map[string]*serverParts
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localLock sync.RWMutex
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@ -117,7 +117,7 @@ type Server struct {
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reconcileCh chan serf.Member
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// remoteConsuls is used to track the known consuls in
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// remote data centers. Used to do DC forwarding.
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// remote datacenters. Used to do DC forwarding.
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remoteConsuls map[string][]*serverParts
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remoteLock sync.RWMutex
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@ -86,7 +86,7 @@ func ensurePath(path string, dir bool) error {
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}
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// Returns if a member is a consul server. Returns a bool,
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// the data center, and the rpc port
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// the datacenter, and the rpc port
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func isConsulServer(m serf.Member) (bool, *serverParts) {
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if m.Tags["role"] != "consul" {
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return false, nil
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@ -132,7 +132,7 @@ func isConsulServer(m serf.Member) (bool, *serverParts) {
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}
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// Returns if a member is a consul node. Returns a boo,
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// and the data center.
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// and the datacenter.
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func isConsulNode(m serf.Member) (bool, string) {
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if m.Tags["role"] != "node" {
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return false, ""
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@ -14,7 +14,7 @@ health and the nodes they run on.
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on each and the health of the node.
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- Key/value view and update
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It's aware of multiple data centers, so you can get a quick global
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It's aware of multiple datacenters, so you can get a quick global
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overview before drilling into specific data-centers for detailed
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views.
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@ -52,12 +52,12 @@ The options below are all specified on the command-line.
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using the `ATLAS_TOKEN` environment variable. Required for use with Atlas.
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* <a id="bootstrap_anchor"></a>`-bootstrap` - This flag is used to control if a server is in "bootstrap" mode. It is important that
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no more than one server *per* data center be running in this mode. Technically, a server in bootstrap mode
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no more than one server *per* datacenter be running in this mode. Technically, a server in bootstrap mode
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is allowed to self-elect as the Raft leader. It is important that only a single node is in this mode;
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otherwise, consistency cannot be guaranteed as multiple nodes are able to self-elect.
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It is not recommended to use this flag after a cluster has been bootstrapped.
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* <a id="bootstrap_expect"></a>`-bootstrap-expect` - This flag provides the number of expected servers in the data center.
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* <a id="bootstrap_expect"></a>`-bootstrap-expect` - This flag provides the number of expected servers in the datacenter.
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Either this value should not be provided or the value must agree with other servers in
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the cluster. When provided, Consul waits until the specified number of servers are
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available and then bootstraps the cluster. This allows an initial leader to be elected
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@ -95,9 +95,9 @@ The options below are all specified on the command-line.
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the use of filesystem locking, meaning some types of mounted folders (e.g. VirtualBox
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shared folders) may not be suitable.
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* <a id="dc"></a>`-dc` - This flag controls the data center in which the agent is running. If not provided,
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it defaults to "dc1". Consul has first-class support for multiple data centers, but
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it relies on proper configuration. Nodes in the same data center should be on a single
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* <a id="dc"></a>`-dc` - This flag controls the datacenter in which the agent is running. If not provided,
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it defaults to "dc1". Consul has first-class support for multiple datacenters, but
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it relies on proper configuration. Nodes in the same datacenter should be on a single
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LAN.
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* <a id="encrypt"></a>`-encrypt` - Specifies the secret key to use for encryption of Consul
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@ -162,11 +162,11 @@ The options below are all specified on the command-line.
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* <a id="server"></a>`-server` - This flag is used to control if an agent is in server or client mode. When provided,
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an agent will act as a Consul server. Each Consul cluster must have at least one server and ideally
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no more than 5 per data center. All servers participate in the Raft consensus algorithm to ensure that
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no more than 5 per datacenter. All servers participate in the Raft consensus algorithm to ensure that
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transactions occur in a consistent, linearizable manner. Transactions modify cluster state, which
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is maintained on all server nodes to ensure availability in the case of node failure. Server nodes also
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participate in a WAN gossip pool with server nodes in other data centers. Servers act as gateways
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to other data centers and forward traffic as appropriate.
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participate in a WAN gossip pool with server nodes in other datacenters. Servers act as gateways
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to other datacenters and forward traffic as appropriate.
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* <a id="syslog"></a>`-syslog` - This flag enables logging to syslog. This is only supported on Linux
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and OSX. It will result in an error if provided on Windows.
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@ -214,9 +214,9 @@ definitions support being updated during a reload.
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#### Configuration Key Reference
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* <a id="acl_datacenter"></a>`acl_datacenter` - Only used by servers. This designates the data center which
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* <a id="acl_datacenter"></a>`acl_datacenter` - Only used by servers. This designates the datacenter which
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is authoritative for ACL information. It must be provided to enable ACLs.
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All servers and data centers must agree on the ACL data center. Setting it on
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All servers and datacenters must agree on the ACL datacenter. Setting it on
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the servers is all you need for enforcement, but for the APIs to forward properly
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from the clients, it must be set on them too. Future changes may move
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enforcement to the edges, so it's best to just set `acl_datacenter` on all nodes.
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@ -22,7 +22,7 @@ or specify no value at all. Any server that does not specify a value will not at
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bootstrap the cluster.
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There is a [deployment table](/docs/internals/consensus.html#toc_4) that covers various options,
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but it is recommended to have 3 or 5 total servers per data center. A single server deployment is _**highly**_
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but it is recommended to have 3 or 5 total servers per datacenter. A single server deployment is _**highly**_
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discouraged as data loss is inevitable in a failure scenario.
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Suppose we are starting a 3 server cluster, we can start `Node A`, `Node B` and `Node C` providing
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@ -34,7 +34,7 @@ something like the following will be logged:
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Once `Node A` is running, we can start the next set of servers. There is a
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[deployment table](/docs/internals/consensus.html#toc_4) that covers various
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options, but it is recommended to have 3 or 5 total servers per data center. A
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options, but it is recommended to have 3 or 5 total servers per datacenter. A
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single server deployment is _**highly**_ discouraged as data loss is inevitable
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in a failure scenario. We start the next servers **without** specifying
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`-bootstrap`. This is critical, since only one server should ever be running in
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