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2018-03-04 23:46:13 +01:00
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362
vendor/github.com/armon/consul-api/LICENSE generated vendored Normal file
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Mozilla Public License, version 2.0
1. Definitions
1.1. "Contributor"
means each individual or legal entity that creates, contributes to the
creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used by a
Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached the
notice in Exhibit A, the Executable Form of such Source Code Form, and
Modifications of such Source Code Form, in each case including portions
thereof.
1.5. "Incompatible With Secondary Licenses"
means
a. that the initial Contributor has attached the notice described in
Exhibit B to the Covered Software; or
b. that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the terms of
a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in a
separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible, whether
at the time of the initial grant or subsequently, any and all of the
rights conveyed by this License.
1.10. "Modifications"
means any of the following:
a. any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered Software; or
b. any new file in Source Code Form that contains any Covered Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the License,
by the making, using, selling, offering for sale, having made, import,
or transfer of either its Contributions or its Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU Lesser
General Public License, Version 2.1, the GNU Affero General Public
License, Version 3.0, or any later versions of those licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that controls, is
controlled by, or is under common control with You. For purposes of this
definition, "control" means (a) the power, direct or indirect, to cause
the direction or management of such entity, whether by contract or
otherwise, or (b) ownership of more than fifty percent (50%) of the
outstanding shares or beneficial ownership of such entity.
2. License Grants and Conditions
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
a. under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
b. under Patent Claims of such Contributor to make, use, sell, offer for
sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
a. for any code that a Contributor has removed from Covered Software; or
b. for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
c. under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights to
grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
Section 2.1.
3. Responsibilities
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
a. such Covered Software must also be made available in Source Code Form,
as described in Section 3.1, and You must inform recipients of the
Executable Form how they can obtain a copy of such Source Code Form by
reasonable means in a timely manner, at a charge no more than the cost
of distribution to the recipient; and
b. You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter the
recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty, or
limitations of liability) contained within the Source Code Form of the
Covered Software, except that You may alter any license notices to the
extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
If it is impossible for You to comply with any of the terms of this License
with respect to some or all of the Covered Software due to statute,
judicial order, or regulation then You must: (a) comply with the terms of
this License to the maximum extent possible; and (b) describe the
limitations and the code they affect. Such description must be placed in a
text file included with all distributions of the Covered Software under
this License. Except to the extent prohibited by statute or regulation,
such description must be sufficiently detailed for a recipient of ordinary
skill to be able to understand it.
5. Termination
5.1. The rights granted under this License will terminate automatically if You
fail to comply with any of its terms. However, if You become compliant,
then the rights granted under this License from a particular Contributor
are reinstated (a) provisionally, unless and until such Contributor
explicitly and finally terminates Your grants, and (b) on an ongoing
basis, if such Contributor fails to notify You of the non-compliance by
some reasonable means prior to 60 days after You have come back into
compliance. Moreover, Your grants from a particular Contributor are
reinstated on an ongoing basis if such Contributor notifies You of the
non-compliance by some reasonable means, this is the first time You have
received notice of non-compliance with this License from such
Contributor, and You become compliant prior to 30 days after Your receipt
of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
license agreements (excluding distributors and resellers) which have been
validly granted by You or Your distributors under this License prior to
termination shall survive termination.
6. Disclaimer of Warranty
Covered Software is provided under this License on an "as is" basis,
without warranty of any kind, either expressed, implied, or statutory,
including, without limitation, warranties that the Covered Software is free
of defects, merchantable, fit for a particular purpose or non-infringing.
The entire risk as to the quality and performance of the Covered Software
is with You. Should any Covered Software prove defective in any respect,
You (not any Contributor) assume the cost of any necessary servicing,
repair, or correction. This disclaimer of warranty constitutes an essential
part of this License. No use of any Covered Software is authorized under
this License except under this disclaimer.
7. Limitation of Liability
Under no circumstances and under no legal theory, whether tort (including
negligence), contract, or otherwise, shall any Contributor, or anyone who
distributes Covered Software as permitted above, be liable to You for any
direct, indirect, special, incidental, or consequential damages of any
character including, without limitation, damages for lost profits, loss of
goodwill, work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses, even if such party shall have been
informed of the possibility of such damages. This limitation of liability
shall not apply to liability for death or personal injury resulting from
such party's negligence to the extent applicable law prohibits such
limitation. Some jurisdictions do not allow the exclusion or limitation of
incidental or consequential damages, so this exclusion and limitation may
not apply to You.
8. Litigation
Any litigation relating to this License may be brought only in the courts
of a jurisdiction where the defendant maintains its principal place of
business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions. Nothing
in this Section shall prevent a party's ability to bring cross-claims or
counter-claims.
9. Miscellaneous
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides that
the language of a contract shall be construed against the drafter shall not
be used to construe this License against a Contributor.
10. Versions of the License
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses If You choose to distribute Source Code Form that is
Incompatible With Secondary Licenses under the terms of this version of
the License, the notice described in Exhibit B of this License must be
attached.
Exhibit A - Source Code Form License Notice
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular file,
then You may include the notice in a location (such as a LICENSE file in a
relevant directory) where a recipient would be likely to look for such a
notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
This Source Code Form is "Incompatible
With Secondary Licenses", as defined by
the Mozilla Public License, v. 2.0.

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vendor/github.com/armon/consul-api/acl.go generated vendored Normal file
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package consulapi
const (
// ACLCLientType is the client type token
ACLClientType = "client"
// ACLManagementType is the management type token
ACLManagementType = "management"
)
// ACLEntry is used to represent an ACL entry
type ACLEntry struct {
CreateIndex uint64
ModifyIndex uint64
ID string
Name string
Type string
Rules string
}
// ACL can be used to query the ACL endpoints
type ACL struct {
c *Client
}
// ACL returns a handle to the ACL endpoints
func (c *Client) ACL() *ACL {
return &ACL{c}
}
// Create is used to generate a new token with the given parameters
func (a *ACL) Create(acl *ACLEntry, q *WriteOptions) (string, *WriteMeta, error) {
r := a.c.newRequest("PUT", "/v1/acl/create")
r.setWriteOptions(q)
r.obj = acl
rtt, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return "", nil, err
}
defer resp.Body.Close()
wm := &WriteMeta{RequestTime: rtt}
var out struct{ ID string }
if err := decodeBody(resp, &out); err != nil {
return "", nil, err
}
return out.ID, wm, nil
}
// Update is used to update the rules of an existing token
func (a *ACL) Update(acl *ACLEntry, q *WriteOptions) (*WriteMeta, error) {
r := a.c.newRequest("PUT", "/v1/acl/update")
r.setWriteOptions(q)
r.obj = acl
rtt, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return nil, err
}
defer resp.Body.Close()
wm := &WriteMeta{RequestTime: rtt}
return wm, nil
}
// Destroy is used to destroy a given ACL token ID
func (a *ACL) Destroy(id string, q *WriteOptions) (*WriteMeta, error) {
r := a.c.newRequest("PUT", "/v1/acl/destroy/"+id)
r.setWriteOptions(q)
rtt, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return nil, err
}
resp.Body.Close()
wm := &WriteMeta{RequestTime: rtt}
return wm, nil
}
// Clone is used to return a new token cloned from an existing one
func (a *ACL) Clone(id string, q *WriteOptions) (string, *WriteMeta, error) {
r := a.c.newRequest("PUT", "/v1/acl/clone/"+id)
r.setWriteOptions(q)
rtt, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return "", nil, err
}
defer resp.Body.Close()
wm := &WriteMeta{RequestTime: rtt}
var out struct{ ID string }
if err := decodeBody(resp, &out); err != nil {
return "", nil, err
}
return out.ID, wm, nil
}
// Info is used to query for information about an ACL token
func (a *ACL) Info(id string, q *QueryOptions) (*ACLEntry, *QueryMeta, error) {
r := a.c.newRequest("GET", "/v1/acl/info/"+id)
r.setQueryOptions(q)
rtt, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var entries []*ACLEntry
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
if len(entries) > 0 {
return entries[0], qm, nil
}
return nil, qm, nil
}
// List is used to get all the ACL tokens
func (a *ACL) List(q *QueryOptions) ([]*ACLEntry, *QueryMeta, error) {
r := a.c.newRequest("GET", "/v1/acl/list")
r.setQueryOptions(q)
rtt, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var entries []*ACLEntry
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
return entries, qm, nil
}

272
vendor/github.com/armon/consul-api/agent.go generated vendored Normal file
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package consulapi
import (
"fmt"
)
// AgentCheck represents a check known to the agent
type AgentCheck struct {
Node string
CheckID string
Name string
Status string
Notes string
Output string
ServiceID string
ServiceName string
}
// AgentService represents a service known to the agent
type AgentService struct {
ID string
Service string
Tags []string
Port int
}
// AgentMember represents a cluster member known to the agent
type AgentMember struct {
Name string
Addr string
Port uint16
Tags map[string]string
Status int
ProtocolMin uint8
ProtocolMax uint8
ProtocolCur uint8
DelegateMin uint8
DelegateMax uint8
DelegateCur uint8
}
// AgentServiceRegistration is used to register a new service
type AgentServiceRegistration struct {
ID string `json:",omitempty"`
Name string `json:",omitempty"`
Tags []string `json:",omitempty"`
Port int `json:",omitempty"`
Check *AgentServiceCheck
}
// AgentCheckRegistration is used to register a new check
type AgentCheckRegistration struct {
ID string `json:",omitempty"`
Name string `json:",omitempty"`
Notes string `json:",omitempty"`
AgentServiceCheck
}
// AgentServiceCheck is used to create an associated
// check for a service
type AgentServiceCheck struct {
Script string `json:",omitempty"`
Interval string `json:",omitempty"`
TTL string `json:",omitempty"`
}
// Agent can be used to query the Agent endpoints
type Agent struct {
c *Client
// cache the node name
nodeName string
}
// Agent returns a handle to the agent endpoints
func (c *Client) Agent() *Agent {
return &Agent{c: c}
}
// Self is used to query the agent we are speaking to for
// information about itself
func (a *Agent) Self() (map[string]map[string]interface{}, error) {
r := a.c.newRequest("GET", "/v1/agent/self")
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return nil, err
}
defer resp.Body.Close()
var out map[string]map[string]interface{}
if err := decodeBody(resp, &out); err != nil {
return nil, err
}
return out, nil
}
// NodeName is used to get the node name of the agent
func (a *Agent) NodeName() (string, error) {
if a.nodeName != "" {
return a.nodeName, nil
}
info, err := a.Self()
if err != nil {
return "", err
}
name := info["Config"]["NodeName"].(string)
a.nodeName = name
return name, nil
}
// Checks returns the locally registered checks
func (a *Agent) Checks() (map[string]*AgentCheck, error) {
r := a.c.newRequest("GET", "/v1/agent/checks")
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return nil, err
}
defer resp.Body.Close()
var out map[string]*AgentCheck
if err := decodeBody(resp, &out); err != nil {
return nil, err
}
return out, nil
}
// Services returns the locally registered services
func (a *Agent) Services() (map[string]*AgentService, error) {
r := a.c.newRequest("GET", "/v1/agent/services")
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return nil, err
}
defer resp.Body.Close()
var out map[string]*AgentService
if err := decodeBody(resp, &out); err != nil {
return nil, err
}
return out, nil
}
// Members returns the known gossip members. The WAN
// flag can be used to query a server for WAN members.
func (a *Agent) Members(wan bool) ([]*AgentMember, error) {
r := a.c.newRequest("GET", "/v1/agent/members")
if wan {
r.params.Set("wan", "1")
}
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return nil, err
}
defer resp.Body.Close()
var out []*AgentMember
if err := decodeBody(resp, &out); err != nil {
return nil, err
}
return out, nil
}
// ServiceRegister is used to register a new service with
// the local agent
func (a *Agent) ServiceRegister(service *AgentServiceRegistration) error {
r := a.c.newRequest("PUT", "/v1/agent/service/register")
r.obj = service
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return err
}
resp.Body.Close()
return nil
}
// ServiceDeregister is used to deregister a service with
// the local agent
func (a *Agent) ServiceDeregister(serviceID string) error {
r := a.c.newRequest("PUT", "/v1/agent/service/deregister/"+serviceID)
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return err
}
resp.Body.Close()
return nil
}
// PassTTL is used to set a TTL check to the passing state
func (a *Agent) PassTTL(checkID, note string) error {
return a.UpdateTTL(checkID, note, "pass")
}
// WarnTTL is used to set a TTL check to the warning state
func (a *Agent) WarnTTL(checkID, note string) error {
return a.UpdateTTL(checkID, note, "warn")
}
// FailTTL is used to set a TTL check to the failing state
func (a *Agent) FailTTL(checkID, note string) error {
return a.UpdateTTL(checkID, note, "fail")
}
// UpdateTTL is used to update the TTL of a check
func (a *Agent) UpdateTTL(checkID, note, status string) error {
switch status {
case "pass":
case "warn":
case "fail":
default:
return fmt.Errorf("Invalid status: %s", status)
}
endpoint := fmt.Sprintf("/v1/agent/check/%s/%s", status, checkID)
r := a.c.newRequest("PUT", endpoint)
r.params.Set("note", note)
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return err
}
resp.Body.Close()
return nil
}
// CheckRegister is used to register a new check with
// the local agent
func (a *Agent) CheckRegister(check *AgentCheckRegistration) error {
r := a.c.newRequest("PUT", "/v1/agent/check/register")
r.obj = check
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return err
}
resp.Body.Close()
return nil
}
// CheckDeregister is used to deregister a check with
// the local agent
func (a *Agent) CheckDeregister(checkID string) error {
r := a.c.newRequest("PUT", "/v1/agent/check/deregister/"+checkID)
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return err
}
resp.Body.Close()
return nil
}
// Join is used to instruct the agent to attempt a join to
// another cluster member
func (a *Agent) Join(addr string, wan bool) error {
r := a.c.newRequest("PUT", "/v1/agent/join/"+addr)
if wan {
r.params.Set("wan", "1")
}
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return err
}
resp.Body.Close()
return nil
}
// ForceLeave is used to have the agent eject a failed node
func (a *Agent) ForceLeave(node string) error {
r := a.c.newRequest("PUT", "/v1/agent/force-leave/"+node)
_, resp, err := requireOK(a.c.doRequest(r))
if err != nil {
return err
}
resp.Body.Close()
return nil
}

323
vendor/github.com/armon/consul-api/api.go generated vendored Normal file
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package consulapi
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"strconv"
"time"
)
// QueryOptions are used to parameterize a query
type QueryOptions struct {
// Providing a datacenter overwrites the DC provided
// by the Config
Datacenter string
// AllowStale allows any Consul server (non-leader) to service
// a read. This allows for lower latency and higher throughput
AllowStale bool
// RequireConsistent forces the read to be fully consistent.
// This is more expensive but prevents ever performing a stale
// read.
RequireConsistent bool
// WaitIndex is used to enable a blocking query. Waits
// until the timeout or the next index is reached
WaitIndex uint64
// WaitTime is used to bound the duration of a wait.
// Defaults to that of the Config, but can be overriden.
WaitTime time.Duration
// Token is used to provide a per-request ACL token
// which overrides the agent's default token.
Token string
}
// WriteOptions are used to parameterize a write
type WriteOptions struct {
// Providing a datacenter overwrites the DC provided
// by the Config
Datacenter string
// Token is used to provide a per-request ACL token
// which overrides the agent's default token.
Token string
}
// QueryMeta is used to return meta data about a query
type QueryMeta struct {
// LastIndex. This can be used as a WaitIndex to perform
// a blocking query
LastIndex uint64
// Time of last contact from the leader for the
// server servicing the request
LastContact time.Duration
// Is there a known leader
KnownLeader bool
// How long did the request take
RequestTime time.Duration
}
// WriteMeta is used to return meta data about a write
type WriteMeta struct {
// How long did the request take
RequestTime time.Duration
}
// HttpBasicAuth is used to authenticate http client with HTTP Basic Authentication
type HttpBasicAuth struct {
// Username to use for HTTP Basic Authentication
Username string
// Password to use for HTTP Basic Authentication
Password string
}
// Config is used to configure the creation of a client
type Config struct {
// Address is the address of the Consul server
Address string
// Scheme is the URI scheme for the Consul server
Scheme string
// Datacenter to use. If not provided, the default agent datacenter is used.
Datacenter string
// HttpClient is the client to use. Default will be
// used if not provided.
HttpClient *http.Client
// HttpAuth is the auth info to use for http access.
HttpAuth *HttpBasicAuth
// WaitTime limits how long a Watch will block. If not provided,
// the agent default values will be used.
WaitTime time.Duration
// Token is used to provide a per-request ACL token
// which overrides the agent's default token.
Token string
}
// DefaultConfig returns a default configuration for the client
func DefaultConfig() *Config {
return &Config{
Address: "127.0.0.1:8500",
Scheme: "http",
HttpClient: http.DefaultClient,
}
}
// Client provides a client to the Consul API
type Client struct {
config Config
}
// NewClient returns a new client
func NewClient(config *Config) (*Client, error) {
// bootstrap the config
defConfig := DefaultConfig()
if len(config.Address) == 0 {
config.Address = defConfig.Address
}
if len(config.Scheme) == 0 {
config.Scheme = defConfig.Scheme
}
if config.HttpClient == nil {
config.HttpClient = defConfig.HttpClient
}
client := &Client{
config: *config,
}
return client, nil
}
// request is used to help build up a request
type request struct {
config *Config
method string
url *url.URL
params url.Values
body io.Reader
obj interface{}
}
// setQueryOptions is used to annotate the request with
// additional query options
func (r *request) setQueryOptions(q *QueryOptions) {
if q == nil {
return
}
if q.Datacenter != "" {
r.params.Set("dc", q.Datacenter)
}
if q.AllowStale {
r.params.Set("stale", "")
}
if q.RequireConsistent {
r.params.Set("consistent", "")
}
if q.WaitIndex != 0 {
r.params.Set("index", strconv.FormatUint(q.WaitIndex, 10))
}
if q.WaitTime != 0 {
r.params.Set("wait", durToMsec(q.WaitTime))
}
if q.Token != "" {
r.params.Set("token", q.Token)
}
}
// durToMsec converts a duration to a millisecond specified string
func durToMsec(dur time.Duration) string {
return fmt.Sprintf("%dms", dur/time.Millisecond)
}
// setWriteOptions is used to annotate the request with
// additional write options
func (r *request) setWriteOptions(q *WriteOptions) {
if q == nil {
return
}
if q.Datacenter != "" {
r.params.Set("dc", q.Datacenter)
}
if q.Token != "" {
r.params.Set("token", q.Token)
}
}
// toHTTP converts the request to an HTTP request
func (r *request) toHTTP() (*http.Request, error) {
// Encode the query parameters
r.url.RawQuery = r.params.Encode()
// Get the url sring
urlRaw := r.url.String()
// Check if we should encode the body
if r.body == nil && r.obj != nil {
if b, err := encodeBody(r.obj); err != nil {
return nil, err
} else {
r.body = b
}
}
// Create the HTTP request
req, err := http.NewRequest(r.method, urlRaw, r.body)
// Setup auth
if err == nil && r.config.HttpAuth != nil {
req.SetBasicAuth(r.config.HttpAuth.Username, r.config.HttpAuth.Password)
}
return req, err
}
// newRequest is used to create a new request
func (c *Client) newRequest(method, path string) *request {
r := &request{
config: &c.config,
method: method,
url: &url.URL{
Scheme: c.config.Scheme,
Host: c.config.Address,
Path: path,
},
params: make(map[string][]string),
}
if c.config.Datacenter != "" {
r.params.Set("dc", c.config.Datacenter)
}
if c.config.WaitTime != 0 {
r.params.Set("wait", durToMsec(r.config.WaitTime))
}
if c.config.Token != "" {
r.params.Set("token", r.config.Token)
}
return r
}
// doRequest runs a request with our client
func (c *Client) doRequest(r *request) (time.Duration, *http.Response, error) {
req, err := r.toHTTP()
if err != nil {
return 0, nil, err
}
start := time.Now()
resp, err := c.config.HttpClient.Do(req)
diff := time.Now().Sub(start)
return diff, resp, err
}
// parseQueryMeta is used to help parse query meta-data
func parseQueryMeta(resp *http.Response, q *QueryMeta) error {
header := resp.Header
// Parse the X-Consul-Index
index, err := strconv.ParseUint(header.Get("X-Consul-Index"), 10, 64)
if err != nil {
return fmt.Errorf("Failed to parse X-Consul-Index: %v", err)
}
q.LastIndex = index
// Parse the X-Consul-LastContact
last, err := strconv.ParseUint(header.Get("X-Consul-LastContact"), 10, 64)
if err != nil {
return fmt.Errorf("Failed to parse X-Consul-LastContact: %v", err)
}
q.LastContact = time.Duration(last) * time.Millisecond
// Parse the X-Consul-KnownLeader
switch header.Get("X-Consul-KnownLeader") {
case "true":
q.KnownLeader = true
default:
q.KnownLeader = false
}
return nil
}
// decodeBody is used to JSON decode a body
func decodeBody(resp *http.Response, out interface{}) error {
dec := json.NewDecoder(resp.Body)
return dec.Decode(out)
}
// encodeBody is used to encode a request body
func encodeBody(obj interface{}) (io.Reader, error) {
buf := bytes.NewBuffer(nil)
enc := json.NewEncoder(buf)
if err := enc.Encode(obj); err != nil {
return nil, err
}
return buf, nil
}
// requireOK is used to wrap doRequest and check for a 200
func requireOK(d time.Duration, resp *http.Response, e error) (time.Duration, *http.Response, error) {
if e != nil {
return d, resp, e
}
if resp.StatusCode != 200 {
var buf bytes.Buffer
io.Copy(&buf, resp.Body)
return d, resp, fmt.Errorf("Unexpected response code: %d (%s)", resp.StatusCode, buf.Bytes())
}
return d, resp, e
}

181
vendor/github.com/armon/consul-api/catalog.go generated vendored Normal file
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package consulapi
type Node struct {
Node string
Address string
}
type CatalogService struct {
Node string
Address string
ServiceID string
ServiceName string
ServiceTags []string
ServicePort int
}
type CatalogNode struct {
Node *Node
Services map[string]*AgentService
}
type CatalogRegistration struct {
Node string
Address string
Datacenter string
Service *AgentService
Check *AgentCheck
}
type CatalogDeregistration struct {
Node string
Address string
Datacenter string
ServiceID string
CheckID string
}
// Catalog can be used to query the Catalog endpoints
type Catalog struct {
c *Client
}
// Catalog returns a handle to the catalog endpoints
func (c *Client) Catalog() *Catalog {
return &Catalog{c}
}
func (c *Catalog) Register(reg *CatalogRegistration, q *WriteOptions) (*WriteMeta, error) {
r := c.c.newRequest("PUT", "/v1/catalog/register")
r.setWriteOptions(q)
r.obj = reg
rtt, resp, err := requireOK(c.c.doRequest(r))
if err != nil {
return nil, err
}
resp.Body.Close()
wm := &WriteMeta{}
wm.RequestTime = rtt
return wm, nil
}
func (c *Catalog) Deregister(dereg *CatalogDeregistration, q *WriteOptions) (*WriteMeta, error) {
r := c.c.newRequest("PUT", "/v1/catalog/deregister")
r.setWriteOptions(q)
r.obj = dereg
rtt, resp, err := requireOK(c.c.doRequest(r))
if err != nil {
return nil, err
}
resp.Body.Close()
wm := &WriteMeta{}
wm.RequestTime = rtt
return wm, nil
}
// Datacenters is used to query for all the known datacenters
func (c *Catalog) Datacenters() ([]string, error) {
r := c.c.newRequest("GET", "/v1/catalog/datacenters")
_, resp, err := requireOK(c.c.doRequest(r))
if err != nil {
return nil, err
}
defer resp.Body.Close()
var out []string
if err := decodeBody(resp, &out); err != nil {
return nil, err
}
return out, nil
}
// Nodes is used to query all the known nodes
func (c *Catalog) Nodes(q *QueryOptions) ([]*Node, *QueryMeta, error) {
r := c.c.newRequest("GET", "/v1/catalog/nodes")
r.setQueryOptions(q)
rtt, resp, err := requireOK(c.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var out []*Node
if err := decodeBody(resp, &out); err != nil {
return nil, nil, err
}
return out, qm, nil
}
// Services is used to query for all known services
func (c *Catalog) Services(q *QueryOptions) (map[string][]string, *QueryMeta, error) {
r := c.c.newRequest("GET", "/v1/catalog/services")
r.setQueryOptions(q)
rtt, resp, err := requireOK(c.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var out map[string][]string
if err := decodeBody(resp, &out); err != nil {
return nil, nil, err
}
return out, qm, nil
}
// Service is used to query catalog entries for a given service
func (c *Catalog) Service(service, tag string, q *QueryOptions) ([]*CatalogService, *QueryMeta, error) {
r := c.c.newRequest("GET", "/v1/catalog/service/"+service)
r.setQueryOptions(q)
if tag != "" {
r.params.Set("tag", tag)
}
rtt, resp, err := requireOK(c.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var out []*CatalogService
if err := decodeBody(resp, &out); err != nil {
return nil, nil, err
}
return out, qm, nil
}
// Node is used to query for service information about a single node
func (c *Catalog) Node(node string, q *QueryOptions) (*CatalogNode, *QueryMeta, error) {
r := c.c.newRequest("GET", "/v1/catalog/node/"+node)
r.setQueryOptions(q)
rtt, resp, err := requireOK(c.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var out *CatalogNode
if err := decodeBody(resp, &out); err != nil {
return nil, nil, err
}
return out, qm, nil
}

104
vendor/github.com/armon/consul-api/event.go generated vendored Normal file
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package consulapi
import (
"bytes"
"strconv"
)
// Event can be used to query the Event endpoints
type Event struct {
c *Client
}
// UserEvent represents an event that was fired by the user
type UserEvent struct {
ID string
Name string
Payload []byte
NodeFilter string
ServiceFilter string
TagFilter string
Version int
LTime uint64
}
// Event returns a handle to the event endpoints
func (c *Client) Event() *Event {
return &Event{c}
}
// Fire is used to fire a new user event. Only the Name, Payload and Filters
// are respected. This returns the ID or an associated error. Cross DC requests
// are supported.
func (e *Event) Fire(params *UserEvent, q *WriteOptions) (string, *WriteMeta, error) {
r := e.c.newRequest("PUT", "/v1/event/fire/"+params.Name)
r.setWriteOptions(q)
if params.NodeFilter != "" {
r.params.Set("node", params.NodeFilter)
}
if params.ServiceFilter != "" {
r.params.Set("service", params.ServiceFilter)
}
if params.TagFilter != "" {
r.params.Set("tag", params.TagFilter)
}
if params.Payload != nil {
r.body = bytes.NewReader(params.Payload)
}
rtt, resp, err := requireOK(e.c.doRequest(r))
if err != nil {
return "", nil, err
}
defer resp.Body.Close()
wm := &WriteMeta{RequestTime: rtt}
var out UserEvent
if err := decodeBody(resp, &out); err != nil {
return "", nil, err
}
return out.ID, wm, nil
}
// List is used to get the most recent events an agent has received.
// This list can be optionally filtered by the name. This endpoint supports
// quasi-blocking queries. The index is not monotonic, nor does it provide provide
// LastContact or KnownLeader.
func (e *Event) List(name string, q *QueryOptions) ([]*UserEvent, *QueryMeta, error) {
r := e.c.newRequest("GET", "/v1/event/list")
r.setQueryOptions(q)
if name != "" {
r.params.Set("name", name)
}
rtt, resp, err := requireOK(e.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var entries []*UserEvent
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
return entries, qm, nil
}
// IDToIndex is a bit of a hack. This simulates the index generation to
// convert an event ID into a WaitIndex.
func (e *Event) IDToIndex(uuid string) uint64 {
lower := uuid[0:8] + uuid[9:13] + uuid[14:18]
upper := uuid[19:23] + uuid[24:36]
lowVal, err := strconv.ParseUint(lower, 16, 64)
if err != nil {
panic("Failed to convert " + lower)
}
highVal, err := strconv.ParseUint(upper, 16, 64)
if err != nil {
panic("Failed to convert " + upper)
}
return lowVal ^ highVal
}

136
vendor/github.com/armon/consul-api/health.go generated vendored Normal file
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package consulapi
import (
"fmt"
)
// HealthCheck is used to represent a single check
type HealthCheck struct {
Node string
CheckID string
Name string
Status string
Notes string
Output string
ServiceID string
ServiceName string
}
// ServiceEntry is used for the health service endpoint
type ServiceEntry struct {
Node *Node
Service *AgentService
Checks []*HealthCheck
}
// Health can be used to query the Health endpoints
type Health struct {
c *Client
}
// Health returns a handle to the health endpoints
func (c *Client) Health() *Health {
return &Health{c}
}
// Node is used to query for checks belonging to a given node
func (h *Health) Node(node string, q *QueryOptions) ([]*HealthCheck, *QueryMeta, error) {
r := h.c.newRequest("GET", "/v1/health/node/"+node)
r.setQueryOptions(q)
rtt, resp, err := requireOK(h.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var out []*HealthCheck
if err := decodeBody(resp, &out); err != nil {
return nil, nil, err
}
return out, qm, nil
}
// Checks is used to return the checks associated with a service
func (h *Health) Checks(service string, q *QueryOptions) ([]*HealthCheck, *QueryMeta, error) {
r := h.c.newRequest("GET", "/v1/health/checks/"+service)
r.setQueryOptions(q)
rtt, resp, err := requireOK(h.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var out []*HealthCheck
if err := decodeBody(resp, &out); err != nil {
return nil, nil, err
}
return out, qm, nil
}
// Service is used to query health information along with service info
// for a given service. It can optionally do server-side filtering on a tag
// or nodes with passing health checks only.
func (h *Health) Service(service, tag string, passingOnly bool, q *QueryOptions) ([]*ServiceEntry, *QueryMeta, error) {
r := h.c.newRequest("GET", "/v1/health/service/"+service)
r.setQueryOptions(q)
if tag != "" {
r.params.Set("tag", tag)
}
if passingOnly {
r.params.Set("passing", "1")
}
rtt, resp, err := requireOK(h.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var out []*ServiceEntry
if err := decodeBody(resp, &out); err != nil {
return nil, nil, err
}
return out, qm, nil
}
// State is used to retrieve all the checks in a given state.
// The wildcard "any" state can also be used for all checks.
func (h *Health) State(state string, q *QueryOptions) ([]*HealthCheck, *QueryMeta, error) {
switch state {
case "any":
case "warning":
case "critical":
case "passing":
case "unknown":
default:
return nil, nil, fmt.Errorf("Unsupported state: %v", state)
}
r := h.c.newRequest("GET", "/v1/health/state/"+state)
r.setQueryOptions(q)
rtt, resp, err := requireOK(h.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var out []*HealthCheck
if err := decodeBody(resp, &out); err != nil {
return nil, nil, err
}
return out, qm, nil
}

219
vendor/github.com/armon/consul-api/kv.go generated vendored Normal file
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package consulapi
import (
"bytes"
"fmt"
"io"
"net/http"
"strconv"
"strings"
)
// KVPair is used to represent a single K/V entry
type KVPair struct {
Key string
CreateIndex uint64
ModifyIndex uint64
LockIndex uint64
Flags uint64
Value []byte
Session string
}
// KVPairs is a list of KVPair objects
type KVPairs []*KVPair
// KV is used to manipulate the K/V API
type KV struct {
c *Client
}
// KV is used to return a handle to the K/V apis
func (c *Client) KV() *KV {
return &KV{c}
}
// Get is used to lookup a single key
func (k *KV) Get(key string, q *QueryOptions) (*KVPair, *QueryMeta, error) {
resp, qm, err := k.getInternal(key, nil, q)
if err != nil {
return nil, nil, err
}
if resp == nil {
return nil, qm, nil
}
defer resp.Body.Close()
var entries []*KVPair
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
if len(entries) > 0 {
return entries[0], qm, nil
}
return nil, qm, nil
}
// List is used to lookup all keys under a prefix
func (k *KV) List(prefix string, q *QueryOptions) (KVPairs, *QueryMeta, error) {
resp, qm, err := k.getInternal(prefix, map[string]string{"recurse": ""}, q)
if err != nil {
return nil, nil, err
}
if resp == nil {
return nil, qm, nil
}
defer resp.Body.Close()
var entries []*KVPair
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
return entries, qm, nil
}
// Keys is used to list all the keys under a prefix. Optionally,
// a separator can be used to limit the responses.
func (k *KV) Keys(prefix, separator string, q *QueryOptions) ([]string, *QueryMeta, error) {
params := map[string]string{"keys": ""}
if separator != "" {
params["separator"] = separator
}
resp, qm, err := k.getInternal(prefix, params, q)
if err != nil {
return nil, nil, err
}
if resp == nil {
return nil, qm, nil
}
defer resp.Body.Close()
var entries []string
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
return entries, qm, nil
}
func (k *KV) getInternal(key string, params map[string]string, q *QueryOptions) (*http.Response, *QueryMeta, error) {
r := k.c.newRequest("GET", "/v1/kv/"+key)
r.setQueryOptions(q)
for param, val := range params {
r.params.Set(param, val)
}
rtt, resp, err := k.c.doRequest(r)
if err != nil {
return nil, nil, err
}
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
if resp.StatusCode == 404 {
resp.Body.Close()
return nil, qm, nil
} else if resp.StatusCode != 200 {
resp.Body.Close()
return nil, nil, fmt.Errorf("Unexpected response code: %d", resp.StatusCode)
}
return resp, qm, nil
}
// Put is used to write a new value. Only the
// Key, Flags and Value is respected.
func (k *KV) Put(p *KVPair, q *WriteOptions) (*WriteMeta, error) {
params := make(map[string]string, 1)
if p.Flags != 0 {
params["flags"] = strconv.FormatUint(p.Flags, 10)
}
_, wm, err := k.put(p.Key, params, p.Value, q)
return wm, err
}
// CAS is used for a Check-And-Set operation. The Key,
// ModifyIndex, Flags and Value are respected. Returns true
// on success or false on failures.
func (k *KV) CAS(p *KVPair, q *WriteOptions) (bool, *WriteMeta, error) {
params := make(map[string]string, 2)
if p.Flags != 0 {
params["flags"] = strconv.FormatUint(p.Flags, 10)
}
params["cas"] = strconv.FormatUint(p.ModifyIndex, 10)
return k.put(p.Key, params, p.Value, q)
}
// Acquire is used for a lock acquisiiton operation. The Key,
// Flags, Value and Session are respected. Returns true
// on success or false on failures.
func (k *KV) Acquire(p *KVPair, q *WriteOptions) (bool, *WriteMeta, error) {
params := make(map[string]string, 2)
if p.Flags != 0 {
params["flags"] = strconv.FormatUint(p.Flags, 10)
}
params["acquire"] = p.Session
return k.put(p.Key, params, p.Value, q)
}
// Release is used for a lock release operation. The Key,
// Flags, Value and Session are respected. Returns true
// on success or false on failures.
func (k *KV) Release(p *KVPair, q *WriteOptions) (bool, *WriteMeta, error) {
params := make(map[string]string, 2)
if p.Flags != 0 {
params["flags"] = strconv.FormatUint(p.Flags, 10)
}
params["release"] = p.Session
return k.put(p.Key, params, p.Value, q)
}
func (k *KV) put(key string, params map[string]string, body []byte, q *WriteOptions) (bool, *WriteMeta, error) {
r := k.c.newRequest("PUT", "/v1/kv/"+key)
r.setWriteOptions(q)
for param, val := range params {
r.params.Set(param, val)
}
r.body = bytes.NewReader(body)
rtt, resp, err := requireOK(k.c.doRequest(r))
if err != nil {
return false, nil, err
}
defer resp.Body.Close()
qm := &WriteMeta{}
qm.RequestTime = rtt
var buf bytes.Buffer
if _, err := io.Copy(&buf, resp.Body); err != nil {
return false, nil, fmt.Errorf("Failed to read response: %v", err)
}
res := strings.Contains(string(buf.Bytes()), "true")
return res, qm, nil
}
// Delete is used to delete a single key
func (k *KV) Delete(key string, w *WriteOptions) (*WriteMeta, error) {
return k.deleteInternal(key, nil, w)
}
// DeleteTree is used to delete all keys under a prefix
func (k *KV) DeleteTree(prefix string, w *WriteOptions) (*WriteMeta, error) {
return k.deleteInternal(prefix, []string{"recurse"}, w)
}
func (k *KV) deleteInternal(key string, params []string, q *WriteOptions) (*WriteMeta, error) {
r := k.c.newRequest("DELETE", "/v1/kv/"+key)
r.setWriteOptions(q)
for _, param := range params {
r.params.Set(param, "")
}
rtt, resp, err := requireOK(k.c.doRequest(r))
if err != nil {
return nil, err
}
resp.Body.Close()
qm := &WriteMeta{}
qm.RequestTime = rtt
return qm, nil
}

204
vendor/github.com/armon/consul-api/session.go generated vendored Normal file
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@ -0,0 +1,204 @@
package consulapi
import (
"time"
)
// SessionEntry represents a session in consul
type SessionEntry struct {
CreateIndex uint64
ID string
Name string
Node string
Checks []string
LockDelay time.Duration
Behavior string
TTL string
}
// Session can be used to query the Session endpoints
type Session struct {
c *Client
}
// Session returns a handle to the session endpoints
func (c *Client) Session() *Session {
return &Session{c}
}
// CreateNoChecks is like Create but is used specifically to create
// a session with no associated health checks.
func (s *Session) CreateNoChecks(se *SessionEntry, q *WriteOptions) (string, *WriteMeta, error) {
body := make(map[string]interface{})
body["Checks"] = []string{}
if se != nil {
if se.Name != "" {
body["Name"] = se.Name
}
if se.Node != "" {
body["Node"] = se.Node
}
if se.LockDelay != 0 {
body["LockDelay"] = durToMsec(se.LockDelay)
}
if se.Behavior != "" {
body["Behavior"] = se.Behavior
}
if se.TTL != "" {
body["TTL"] = se.TTL
}
}
return s.create(body, q)
}
// Create makes a new session. Providing a session entry can
// customize the session. It can also be nil to use defaults.
func (s *Session) Create(se *SessionEntry, q *WriteOptions) (string, *WriteMeta, error) {
var obj interface{}
if se != nil {
body := make(map[string]interface{})
obj = body
if se.Name != "" {
body["Name"] = se.Name
}
if se.Node != "" {
body["Node"] = se.Node
}
if se.LockDelay != 0 {
body["LockDelay"] = durToMsec(se.LockDelay)
}
if len(se.Checks) > 0 {
body["Checks"] = se.Checks
}
if se.Behavior != "" {
body["Behavior"] = se.Behavior
}
if se.TTL != "" {
body["TTL"] = se.TTL
}
}
return s.create(obj, q)
}
func (s *Session) create(obj interface{}, q *WriteOptions) (string, *WriteMeta, error) {
r := s.c.newRequest("PUT", "/v1/session/create")
r.setWriteOptions(q)
r.obj = obj
rtt, resp, err := requireOK(s.c.doRequest(r))
if err != nil {
return "", nil, err
}
defer resp.Body.Close()
wm := &WriteMeta{RequestTime: rtt}
var out struct{ ID string }
if err := decodeBody(resp, &out); err != nil {
return "", nil, err
}
return out.ID, wm, nil
}
// Destroy invalides a given session
func (s *Session) Destroy(id string, q *WriteOptions) (*WriteMeta, error) {
r := s.c.newRequest("PUT", "/v1/session/destroy/"+id)
r.setWriteOptions(q)
rtt, resp, err := requireOK(s.c.doRequest(r))
if err != nil {
return nil, err
}
resp.Body.Close()
wm := &WriteMeta{RequestTime: rtt}
return wm, nil
}
// Renew renews the TTL on a given session
func (s *Session) Renew(id string, q *WriteOptions) (*SessionEntry, *WriteMeta, error) {
r := s.c.newRequest("PUT", "/v1/session/renew/"+id)
r.setWriteOptions(q)
rtt, resp, err := requireOK(s.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
wm := &WriteMeta{RequestTime: rtt}
var entries []*SessionEntry
if err := decodeBody(resp, &entries); err != nil {
return nil, wm, err
}
if len(entries) > 0 {
return entries[0], wm, nil
}
return nil, wm, nil
}
// Info looks up a single session
func (s *Session) Info(id string, q *QueryOptions) (*SessionEntry, *QueryMeta, error) {
r := s.c.newRequest("GET", "/v1/session/info/"+id)
r.setQueryOptions(q)
rtt, resp, err := requireOK(s.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var entries []*SessionEntry
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
if len(entries) > 0 {
return entries[0], qm, nil
}
return nil, qm, nil
}
// List gets sessions for a node
func (s *Session) Node(node string, q *QueryOptions) ([]*SessionEntry, *QueryMeta, error) {
r := s.c.newRequest("GET", "/v1/session/node/"+node)
r.setQueryOptions(q)
rtt, resp, err := requireOK(s.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var entries []*SessionEntry
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
return entries, qm, nil
}
// List gets all active sessions
func (s *Session) List(q *QueryOptions) ([]*SessionEntry, *QueryMeta, error) {
r := s.c.newRequest("GET", "/v1/session/list")
r.setQueryOptions(q)
rtt, resp, err := requireOK(s.c.doRequest(r))
if err != nil {
return nil, nil, err
}
defer resp.Body.Close()
qm := &QueryMeta{}
parseQueryMeta(resp, qm)
qm.RequestTime = rtt
var entries []*SessionEntry
if err := decodeBody(resp, &entries); err != nil {
return nil, nil, err
}
return entries, qm, nil
}

43
vendor/github.com/armon/consul-api/status.go generated vendored Normal file
View File

@ -0,0 +1,43 @@
package consulapi
// Status can be used to query the Status endpoints
type Status struct {
c *Client
}
// Status returns a handle to the status endpoints
func (c *Client) Status() *Status {
return &Status{c}
}
// Leader is used to query for a known leader
func (s *Status) Leader() (string, error) {
r := s.c.newRequest("GET", "/v1/status/leader")
_, resp, err := requireOK(s.c.doRequest(r))
if err != nil {
return "", err
}
defer resp.Body.Close()
var leader string
if err := decodeBody(resp, &leader); err != nil {
return "", err
}
return leader, nil
}
// Peers is used to query for a known raft peers
func (s *Status) Peers() ([]string, error) {
r := s.c.newRequest("GET", "/v1/status/peers")
_, resp, err := requireOK(s.c.doRequest(r))
if err != nil {
return nil, err
}
defer resp.Body.Close()
var peers []string
if err := decodeBody(resp, &peers); err != nil {
return nil, err
}
return peers, nil
}