root / lib / rapi / rlib1.py @ 686d7433
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# Copyright (C) 2006, 2007, 2008 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Remote API version 1 resources library.
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"""
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import ganeti.cli |
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import ganeti.errors |
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import ganeti.opcodes |
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from ganeti import constants |
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from ganeti import http |
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from ganeti.rapi import baserlib |
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I_FIELDS = ["name", "os", "pnode", "snodes", |
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"admin_state", "admin_ram", |
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"disk_template", "ip", "mac", "bridge", |
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"sda_size", "sdb_size", "vcpus", |
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"oper_state", "status", "tags"] |
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N_FIELDS = ["name", "dtotal", "dfree", |
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"mtotal", "mnode", "mfree", |
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"pinst_cnt", "sinst_cnt", "tags"] |
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class R_version(baserlib.R_Generic): |
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"""/version resource.
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This resource should be used to determine the remote API version and to adapt
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clients accordingly.
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"""
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DOC_URI = "/version"
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def GET(self): |
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"""Returns the remote API version.
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"""
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return constants.RAPI_VERSION
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class R_tags(baserlib.R_Generic): |
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"""/tags resource.
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Manages cluster tags.
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"""
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DOC_URI = "/tags"
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def GET(self): |
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"""Returns a list of all cluster tags.
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Example: ["tag1", "tag2", "tag3"]
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"""
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return baserlib._Tags_GET(constants.TAG_CLUSTER)
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class R_info(baserlib.R_Generic): |
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"""Cluster info.
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"""
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DOC_URI = "/info"
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def GET(self): |
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"""Returns cluster information.
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Example: {
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"config_version": 3,
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"name": "cluster1.example.com",
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"software_version": "1.2.4",
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"os_api_version": 5,
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"export_version": 0,
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"master": "node1.example.com",
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"architecture": [
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"64bit",
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"x86_64"
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],
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"hypervisor_type": "xen-pvm",
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"protocol_version": 12
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}
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"""
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op = ganeti.opcodes.OpQueryClusterInfo() |
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return ganeti.cli.SubmitOpCode(op)
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class R_nodes(baserlib.R_Generic): |
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"""/nodes resource.
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"""
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DOC_URI = "/nodes"
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def GET(self): |
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"""Returns a list of all nodes.
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Returns:
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A dictionary with 'name' and 'uri' keys for each of them.
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Example: [
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{
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"name": "node1.example.com",
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"uri": "\/instances\/node1.example.com"
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},
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{
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"name": "node2.example.com",
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"uri": "\/instances\/node2.example.com"
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}]
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If the optional 'bulk' argument is provided and set to 'true'
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value (i.e '?bulk=1'), the output contains detailed
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information about nodes as a list.
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Example: [
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{
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"pinst_cnt": 1,
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"mfree": 31280,
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"mtotal": 32763,
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"name": "www.example.com",
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"tags": [],
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"mnode": 512,
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"dtotal": 5246208,
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"sinst_cnt": 2,
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"dfree": 5171712
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},
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...
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]
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"""
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op = ganeti.opcodes.OpQueryNodes(output_fields=["name"], names=[])
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nodeslist = baserlib.ExtractField(ganeti.cli.SubmitOpCode(op), 0)
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if 'bulk' in self.queryargs: |
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op = ganeti.opcodes.OpQueryNodes(output_fields=N_FIELDS, |
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names=nodeslist) |
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result = ganeti.cli.SubmitOpCode(op) |
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return baserlib.MapBulkFields(result, N_FIELDS)
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return baserlib.BuildUriList(nodeslist, "/nodes/%s") |
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class R_nodes_name(baserlib.R_Generic): |
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"""/nodes/[node_name] resources.
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"""
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DOC_URI = "/nodes/[node_name]"
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def GET(self): |
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"""Send information about a node.
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"""
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node_name = self.items[0] |
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op = ganeti.opcodes.OpQueryNodes(output_fields=N_FIELDS, |
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names=[node_name]) |
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result = ganeti.cli.SubmitOpCode(op) |
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return baserlib.MapFields(N_FIELDS, result[0]) |
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class R_nodes_name_tags(baserlib.R_Generic): |
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"""/nodes/[node_name]/tags resource.
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Manages per-node tags.
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"""
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DOC_URI = "/nodes/[node_name]/tags"
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def GET(self): |
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"""Returns a list of node tags.
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Example: ["tag1", "tag2", "tag3"]
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"""
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return baserlib._Tags_GET(constants.TAG_NODE, name=self.items[0]) |
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class R_instances(baserlib.R_Generic): |
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"""/instances resource.
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"""
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DOC_URI = "/instances"
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def GET(self): |
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"""Returns a list of all available instances.
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Returns:
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A dictionary with 'name' and 'uri' keys for each of them.
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Example: [
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{
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"name": "web.example.com",
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"uri": "\/instances\/web.example.com"
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},
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{
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"name": "mail.example.com",
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"uri": "\/instances\/mail.example.com"
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}]
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If the optional 'bulk' argument is provided and set to 'true'
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value (i.e '?bulk=1'), the output contains detailed
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information about instances as a list.
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Example: [
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{
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"status": "running",
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"bridge": "xen-br0",
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"name": "web.example.com",
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"tags": ["tag1", "tag2"],
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"admin_ram": 512,
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"sda_size": 20480,
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"pnode": "node1.example.com",
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"mac": "01:23:45:67:89:01",
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"sdb_size": 4096,
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"snodes": ["node2.example.com"],
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"disk_template": "drbd",
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"ip": null,
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"admin_state": true,
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"os": "debian-etch",
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"vcpus": 2,
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"oper_state": true
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},
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...
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]
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"""
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op = ganeti.opcodes.OpQueryInstances(output_fields=["name"], names=[])
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instanceslist = baserlib.ExtractField(ganeti.cli.SubmitOpCode(op), 0)
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if 'bulk' in self.queryargs: |
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op = ganeti.opcodes.OpQueryInstances(output_fields=I_FIELDS, |
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names=instanceslist) |
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result = ganeti.cli.SubmitOpCode(op) |
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return baserlib.MapBulkFields(result, I_FIELDS)
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else:
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return baserlib.BuildUriList(instanceslist, "/instances/%s") |
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class R_instances_name(baserlib.R_Generic): |
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"""/instances/[instance_name] resources.
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"""
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DOC_URI = "/instances/[instance_name]"
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def GET(self): |
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"""Send information about an instance.
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"""
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instance_name = self.items[0] |
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op = ganeti.opcodes.OpQueryInstances(output_fields=I_FIELDS, |
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names=[instance_name]) |
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result = ganeti.cli.SubmitOpCode(op) |
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return baserlib.MapFields(I_FIELDS, result[0]) |
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class R_instances_name_tags(baserlib.R_Generic): |
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"""/instances/[instance_name]/tags resource.
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Manages per-instance tags.
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"""
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DOC_URI = "/instances/[instance_name]/tags"
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def GET(self): |
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"""Returns a list of instance tags.
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Example: ["tag1", "tag2", "tag3"]
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"""
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return baserlib._Tags_GET(constants.TAG_INSTANCE, name=self.items[0]) |
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class R_os(baserlib.R_Generic): |
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"""/os resource.
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"""
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DOC_URI = "/os"
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def GET(self): |
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"""Return a list of all OSes.
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Can return error 500 in case of a problem.
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Example: ["debian-etch"]
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"""
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op = ganeti.opcodes.OpDiagnoseOS(output_fields=["name", "valid"], |
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names=[]) |
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diagnose_data = ganeti.cli.SubmitOpCode(op) |
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if not isinstance(diagnose_data, list): |
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raise http.HTTPInternalError(message="Can't get OS list") |
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return [row[0] for row in diagnose_data if row[1]] |