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