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Commit | Line | Data |
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cc32b737 DM |
1 | package PVE::HA::Config; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
139a9b90 | 5 | use JSON; |
cc32b737 | 6 | |
139a9b90 | 7 | use PVE::HA::Tools; |
cc32b737 DM |
8 | use PVE::HA::Groups; |
9 | use PVE::HA::Resources; | |
139a9b90 | 10 | use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file); |
cc32b737 DM |
11 | |
12 | PVE::HA::Groups->register(); | |
13 | ||
14 | PVE::HA::Groups->init(); | |
15 | ||
16 | PVE::HA::Resources::PVEVM->register(); | |
8facb786 | 17 | PVE::HA::Resources::PVECT->register(); |
85d36c36 | 18 | #PVE::HA::Resources::IPAddr->register(); |
cc32b737 DM |
19 | |
20 | PVE::HA::Resources->init(); | |
21 | ||
139a9b90 DM |
22 | my $manager_status_filename = "ha/manager_status"; |
23 | my $ha_groups_config = "ha/groups.cfg"; | |
24 | my $ha_resources_config = "ha/resources.cfg"; | |
25 | my $crm_commands_filename = "ha/crm_commands"; | |
26 | ||
27 | cfs_register_file($crm_commands_filename, | |
28 | sub { my ($fn, $raw) = @_; return defined($raw) ? $raw : ''; }, | |
29 | sub { my ($fn, $raw) = @_; return $raw; }); | |
30 | cfs_register_file($ha_groups_config, | |
31 | sub { PVE::HA::Groups->parse_config(@_); }, | |
32 | sub { PVE::HA::Groups->write_config(@_); }); | |
33 | cfs_register_file($ha_resources_config, | |
34 | sub { PVE::HA::Resources->parse_config(@_); }, | |
35 | sub { PVE::HA::Resources->write_config(@_); }); | |
36 | cfs_register_file($manager_status_filename, | |
37 | \&json_reader, | |
38 | \&json_writer); | |
39 | ||
40 | sub json_reader { | |
41 | my ($filename, $data) = @_; | |
42 | ||
b96c37ec | 43 | return defined($data) ? decode_json($data) : {}; |
139a9b90 DM |
44 | } |
45 | ||
46 | sub json_writer { | |
47 | my ($filename, $data) = @_; | |
48 | ||
49 | return encode_json($data); | |
50 | } | |
51 | ||
52 | sub read_lrm_status { | |
53 | my ($node) = @_; | |
54 | ||
55 | die "undefined node" if !defined($node); | |
56 | ||
57 | my $filename = "/etc/pve/nodes/$node/lrm_status"; | |
58 | ||
59 | return PVE::HA::Tools::read_json_from_file($filename, {}); | |
60 | } | |
61 | ||
62 | sub write_lrm_status { | |
63 | my ($node, $status_obj) = @_; | |
64 | ||
65 | die "undefined node" if !defined($node); | |
66 | ||
67 | my $filename = "/etc/pve/nodes/$node/lrm_status"; | |
68 | ||
69 | PVE::HA::Tools::write_json_to_file($filename, $status_obj); | |
70 | } | |
71 | ||
cc32b737 DM |
72 | sub parse_groups_config { |
73 | my ($filename, $raw) = @_; | |
74 | ||
139a9b90 | 75 | return PVE::HA::Groups->parse_config($filename, $raw); |
cc32b737 DM |
76 | } |
77 | ||
ce216792 | 78 | sub parse_resources_config { |
cc32b737 DM |
79 | my ($filename, $raw) = @_; |
80 | ||
81 | return PVE::HA::Resources->parse_config($filename, $raw); | |
82 | } | |
83 | ||
b83b4ae8 DM |
84 | sub resources_config_exists { |
85 | ||
86 | return (-f "/etc/pve/$ha_resources_config") ? 1 : 0; | |
87 | } | |
88 | ||
139a9b90 DM |
89 | sub read_resources_config { |
90 | ||
91 | return cfs_read_file($ha_resources_config); | |
92 | } | |
93 | ||
94 | sub read_group_config { | |
139a9b90 DM |
95 | |
96 | return cfs_read_file($ha_groups_config); | |
97 | } | |
98 | ||
9eb0f126 DM |
99 | sub write_group_config { |
100 | my ($cfg) = @_; | |
101 | ||
102 | cfs_write_file($ha_groups_config, $cfg); | |
103 | } | |
104 | ||
139a9b90 DM |
105 | sub write_resources_config { |
106 | my ($cfg) = @_; | |
107 | ||
108 | cfs_write_file($ha_resources_config, $cfg); | |
109 | } | |
110 | ||
111 | sub read_manager_status { | |
112 | my () = @_; | |
113 | ||
114 | return cfs_read_file($manager_status_filename); | |
115 | } | |
116 | ||
117 | sub write_manager_status { | |
118 | my ($status_obj) = @_; | |
119 | ||
120 | cfs_write_file($manager_status_filename, $status_obj); | |
121 | } | |
122 | ||
123 | sub lock_ha_config { | |
124 | my ($code, $errmsg) = @_; | |
125 | ||
126 | # fixme: do not use cfs_lock_storage (replace with cfs_lock_ha) | |
127 | my $res = PVE::Cluster::cfs_lock_storage("_ha_crm_commands", undef, $code); | |
128 | my $err = $@; | |
129 | if ($err) { | |
130 | $errmsg ? die "$errmsg: $err" : die $err; | |
131 | } | |
132 | return $res; | |
133 | } | |
134 | ||
135 | sub queue_crm_commands { | |
136 | my ($cmd) = @_; | |
137 | ||
138 | chomp $cmd; | |
139 | ||
140 | my $code = sub { | |
141 | my $data = cfs_read_file($crm_commands_filename); | |
142 | $data .= "$cmd\n"; | |
143 | cfs_write_file($crm_commands_filename, $data); | |
144 | }; | |
145 | ||
146 | return lock_ha_config($code); | |
147 | } | |
148 | ||
149 | sub read_crm_commands { | |
150 | ||
151 | my $code = sub { | |
152 | my $data = cfs_read_file($crm_commands_filename); | |
153 | cfs_write_file($crm_commands_filename, ''); | |
154 | return $data; | |
155 | }; | |
156 | ||
157 | return lock_ha_config($code); | |
158 | } | |
159 | ||
160 | sub vm_is_ha_managed { | |
161 | my ($vmid) = @_; | |
162 | ||
163 | my $conf = cfs_read_file($ha_resources_config); | |
164 | ||
8facb786 TL |
165 | my $types = PVE::HA::Resources->lookup_types(); |
166 | foreach my $type (@$types) { | |
167 | my $sid = "$type:$vmid"; | |
168 | ||
169 | return 1 if defined($conf->{ids}->{$sid}); | |
170 | } | |
171 | ||
172 | return undef; | |
139a9b90 DM |
173 | } |
174 | ||
cc32b737 | 175 | 1; |