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Anchor: Static IP CNI solution for Kubernetes

Anchor is a static IP CNI solution for kubernetes. It is composed of anchor-ipam, anchor-governor.

Create Network interface

  • MacVLAN

The code below create a macvlan interface named mac0, and its parent is eth0.

ip link add mac0 link eth0 type macvlan mode bridge
ip addr add 10.100.160.120/24 dev mac0
ip link set dev mac0 up
ip route flush dev mac0
ip route add 10.100.160.0/24 dev mac0 metric 0
  • Bridge

Bridge with promiscuous mode is supported. The method will be added here later.

Anchor governor

Anchor governor is the manager of the etcd store. It is responsible for init the User <-> IPs, and display the usage of the IPs.

Compile

mkdir -p $GOPATH/src/github.com/daocloud
cd$GOPATH/src/github.com/daocloud
git clone https://github.com/DaoCloud/anchor
cd anchor/anchor-ipam && go build
docker build -t anchor:v0.2 .

ETCD

Recently, please use etcd only as data store. Please intall or ensure that there is an etcd cluster available first. We used it as a distributed database.

Configuration and installation

vi anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
# Config line 9 and line 38, 39, 40

kubectl apply -f anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml

Init and Example

etcdctl put /ipam/users/user01 /ipam/users/user01,192.168.2.[2-19]
etcdctl put /ipam/gateway/192.168.2.0/16 192.168.2.0/16,192.168.2.1

Of course, we can init the database use anchor govenor.

example.yaml

apiVersion: v1kind: Podmetadata:
name: busyboxnamespace: defaultannotations:
cni.daocloud.io/ipAddrs: 192.168.2.[2-8]cni.daocloud.io/currentUser: user01spec:
containers:
- image: busyboxcommand:
- sleep
- "3600"imagePullPolicy: IfNotPresentname: busyboxrestartPolicy: Never
kubectl apply -f example.yaml

About

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1 watching

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Repository files navigation
Anchor: Static IP CNI solution for Kubernetes
Anchor is a static IP CNI solution for kubernetes. It is composed of anchor-ipam, anchor-governor.
Create Network interface
  • MacVLAN
The code below create a macvlan interface named mac0, and its parent is eth0.
ip link add mac0 link eth0 type macvlan mode bridge
ip addr add 10.100.160.120/24 dev mac0
ip link set dev mac0 up
ip route flush dev mac0
ip route add 10.100.160.0/24 dev mac0 metric 0
  • Bridge
Bridge with promiscuous mode is supported. The method will be added here later.
Anchor governor
Anchor governor is the manager of the etcd store. It is responsible for init the User <-> IPs, and display the usage of the IPs.
Compile
mkdir -p $GOPATH/src/github.com/daocloud
cd$GOPATH/src/github.com/daocloud
git clone https://github.com/DaoCloud/anchor
cd anchor/anchor-ipam && go build
docker build -t anchor:v0.2 .
ETCD
Recently, please use etcd only as data store. Please intall or ensure that there is an etcd cluster available first. We used it as a distributed database.
Configuration and installation
vi anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
# Config line 9 and line 38, 39, 40

kubectl apply -f anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
Init and Example
etcdctl put /ipam/users/user01 /ipam/users/user01,192.168.2.[2-19]
etcdctl put /ipam/gateway/192.168.2.0/16 192.168.2.0/16,192.168.2.1
Of course, we can init the database use anchor govenor.
example.yaml
apiVersion: v1kind: Podmetadata:
name: busyboxnamespace: defaultannotations:
cni.daocloud.io/ipAddrs: 192.168.2.[2-8]cni.daocloud.io/currentUser: user01spec:
containers:
- image: busyboxcommand:
- sleep
- "3600"imagePullPolicy: IfNotPresentname: busyboxrestartPolicy: Never
kubectl apply -f example.yaml
About
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1 watching
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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81 Commits
Folders and files
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README.md
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build.sh
Repository files navigation
Anchor: Static IP CNI solution for Kubernetes
Anchor is a static IP CNI solution for kubernetes. It is composed of anchor-ipam, anchor-governor.
Create Network interface
  • MacVLAN
The code below create a macvlan interface named mac0, and its parent is eth0.
ip link add mac0 link eth0 type macvlan mode bridge
ip addr add 10.100.160.120/24 dev mac0
ip link set dev mac0 up
ip route flush dev mac0
ip route add 10.100.160.0/24 dev mac0 metric 0
  • Bridge
Bridge with promiscuous mode is supported. The method will be added here later.
Anchor governor
Anchor governor is the manager of the etcd store. It is responsible for init the User <-> IPs, and display the usage of the IPs.
Compile
mkdir -p $GOPATH/src/github.com/daocloud
cd$GOPATH/src/github.com/daocloud
git clone https://github.com/DaoCloud/anchor
cd anchor/anchor-ipam && go build
docker build -t anchor:v0.2 .
ETCD
Recently, please use etcd only as data store. Please intall or ensure that there is an etcd cluster available first. We used it as a distributed database.
Configuration and installation
vi anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
# Config line 9 and line 38, 39, 40

kubectl apply -f anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
Init and Example
etcdctl put /ipam/users/user01 /ipam/users/user01,192.168.2.[2-19]
etcdctl put /ipam/gateway/192.168.2.0/16 192.168.2.0/16,192.168.2.1
Of course, we can init the database use anchor govenor.
example.yaml
apiVersion: v1kind: Podmetadata:
name: busyboxnamespace: defaultannotations:
cni.daocloud.io/ipAddrs: 192.168.2.[2-8]cni.daocloud.io/currentUser: user01spec:
containers:
- image: busyboxcommand:
- sleep
- "3600"imagePullPolicy: IfNotPresentname: busyboxrestartPolicy: Never
kubectl apply -f example.yaml
About
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Stars
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1 watching
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Used by
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
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Latest commit
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81 Commits
Folders and files
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anchor-ipam
anchor-ipam
governor
governor
octopus
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README.md
README.md
build.sh
build.sh
Repository files navigation
Anchor: Static IP CNI solution for Kubernetes
Anchor is a static IP CNI solution for kubernetes. It is composed of anchor-ipam, anchor-governor.
Create Network interface
  • MacVLAN
The code below create a macvlan interface named mac0, and its parent is eth0.
ip link add mac0 link eth0 type macvlan mode bridge
ip addr add 10.100.160.120/24 dev mac0
ip link set dev mac0 up
ip route flush dev mac0
ip route add 10.100.160.0/24 dev mac0 metric 0
  • Bridge
Bridge with promiscuous mode is supported. The method will be added here later.
Anchor governor
Anchor governor is the manager of the etcd store. It is responsible for init the User <-> IPs, and display the usage of the IPs.
Compile
mkdir -p $GOPATH/src/github.com/daocloud
cd$GOPATH/src/github.com/daocloud
git clone https://github.com/DaoCloud/anchor
cd anchor/anchor-ipam && go build
docker build -t anchor:v0.2 .
ETCD
Recently, please use etcd only as data store. Please intall or ensure that there is an etcd cluster available first. We used it as a distributed database.
Configuration and installation
vi anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
# Config line 9 and line 38, 39, 40

kubectl apply -f anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
Init and Example
etcdctl put /ipam/users/user01 /ipam/users/user01,192.168.2.[2-19]
etcdctl put /ipam/gateway/192.168.2.0/16 192.168.2.0/16,192.168.2.1
Of course, we can init the database use anchor govenor.
example.yaml
apiVersion: v1kind: Podmetadata:
name: busyboxnamespace: defaultannotations:
cni.daocloud.io/ipAddrs: 192.168.2.[2-8]cni.daocloud.io/currentUser: user01spec:
containers:
- image: busyboxcommand:
- sleep
- "3600"imagePullPolicy: IfNotPresentname: busyboxrestartPolicy: Never
kubectl apply -f example.yaml
About
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1 watching
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Used by
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Latest commit
History
81 Commits
Folders and files
NameName
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anchor-ipam
anchor-ipam
governor
governor
octopus
octopus
README.md
README.md
build.sh
build.sh
Repository files navigation
Anchor: Static IP CNI solution for Kubernetes
Anchor is a static IP CNI solution for kubernetes. It is composed of anchor-ipam, anchor-governor.
Create Network interface
  • MacVLAN
The code below create a macvlan interface named mac0, and its parent is eth0.
ip link add mac0 link eth0 type macvlan mode bridge
ip addr add 10.100.160.120/24 dev mac0
ip link set dev mac0 up
ip route flush dev mac0
ip route add 10.100.160.0/24 dev mac0 metric 0
  • Bridge
Bridge with promiscuous mode is supported. The method will be added here later.
Anchor governor
Anchor governor is the manager of the etcd store. It is responsible for init the User <-> IPs, and display the usage of the IPs.
Compile
mkdir -p $GOPATH/src/github.com/daocloud
cd$GOPATH/src/github.com/daocloud
git clone https://github.com/DaoCloud/anchor
cd anchor/anchor-ipam && go build
docker build -t anchor:v0.2 .
ETCD
Recently, please use etcd only as data store. Please intall or ensure that there is an etcd cluster available first. We used it as a distributed database.
Configuration and installation
vi anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
# Config line 9 and line 38, 39, 40

kubectl apply -f anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
Init and Example
etcdctl put /ipam/users/user01 /ipam/users/user01,192.168.2.[2-19]
etcdctl put /ipam/gateway/192.168.2.0/16 192.168.2.0/16,192.168.2.1
Of course, we can init the database use anchor govenor.
example.yaml
apiVersion: v1kind: Podmetadata:
name: busyboxnamespace: defaultannotations:
cni.daocloud.io/ipAddrs: 192.168.2.[2-8]cni.daocloud.io/currentUser: user01spec:
containers:
- image: busyboxcommand:
- sleep
- "3600"imagePullPolicy: IfNotPresentname: busyboxrestartPolicy: Never
kubectl apply -f example.yaml
About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
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Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Latest commit
History
81 Commits
Folders and files
NameName
Last commit message
Last commit date
anchor-ipam
anchor-ipam
governor
governor
octopus
octopus
README.md
README.md
build.sh
build.sh
Repository files navigation
Anchor: Static IP CNI solution for Kubernetes
Anchor is a static IP CNI solution for kubernetes. It is composed of anchor-ipam, anchor-governor.
Create Network interface
  • MacVLAN
The code below create a macvlan interface named mac0, and its parent is eth0.
ip link add mac0 link eth0 type macvlan mode bridge
ip addr add 10.100.160.120/24 dev mac0
ip link set dev mac0 up
ip route flush dev mac0
ip route add 10.100.160.0/24 dev mac0 metric 0
  • Bridge
Bridge with promiscuous mode is supported. The method will be added here later.
Anchor governor
Anchor governor is the manager of the etcd store. It is responsible for init the User <-> IPs, and display the usage of the IPs.
Compile
mkdir -p $GOPATH/src/github.com/daocloud
cd$GOPATH/src/github.com/daocloud
git clone https://github.com/DaoCloud/anchor
cd anchor/anchor-ipam && go build
docker build -t anchor:v0.2 .
ETCD
Recently, please use etcd only as data store. Please intall or ensure that there is an etcd cluster available first. We used it as a distributed database.
Configuration and installation
vi anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
# Config line 9 and line 38, 39, 40

kubectl apply -f anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
Init and Example
etcdctl put /ipam/users/user01 /ipam/users/user01,192.168.2.[2-19]
etcdctl put /ipam/gateway/192.168.2.0/16 192.168.2.0/16,192.168.2.1
Of course, we can init the database use anchor govenor.
example.yaml
apiVersion: v1kind: Podmetadata:
name: busyboxnamespace: defaultannotations:
cni.daocloud.io/ipAddrs: 192.168.2.[2-8]cni.daocloud.io/currentUser: user01spec:
containers:
- image: busyboxcommand:
- sleep
- "3600"imagePullPolicy: IfNotPresentname: busyboxrestartPolicy: Never
kubectl apply -f example.yaml
About
No description, website, or topics provided.
Resources
Readme
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Latest commit
History
81 Commits
Folders and files
NameName
Last commit message
Last commit date
anchor-ipam
anchor-ipam
governor
governor
octopus
octopus
README.md
README.md
build.sh
build.sh
Repository files navigation
Anchor: Static IP CNI solution for Kubernetes
Anchor is a static IP CNI solution for kubernetes. It is composed of anchor-ipam, anchor-governor.
Create Network interface
  • MacVLAN
The code below create a macvlan interface named mac0, and its parent is eth0.
ip link add mac0 link eth0 type macvlan mode bridge
ip addr add 10.100.160.120/24 dev mac0
ip link set dev mac0 up
ip route flush dev mac0
ip route add 10.100.160.0/24 dev mac0 metric 0
  • Bridge
Bridge with promiscuous mode is supported. The method will be added here later.
Anchor governor
Anchor governor is the manager of the etcd store. It is responsible for init the User <-> IPs, and display the usage of the IPs.
Compile
mkdir -p $GOPATH/src/github.com/daocloud
cd$GOPATH/src/github.com/daocloud
git clone https://github.com/DaoCloud/anchor
cd anchor/anchor-ipam && go build
docker build -t anchor:v0.2 .
ETCD
Recently, please use etcd only as data store. Please intall or ensure that there is an etcd cluster available first. We used it as a distributed database.
Configuration and installation
vi anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
# Config line 9 and line 38, 39, 40

kubectl apply -f anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
Init and Example
etcdctl put /ipam/users/user01 /ipam/users/user01,192.168.2.[2-19]
etcdctl put /ipam/gateway/192.168.2.0/16 192.168.2.0/16,192.168.2.1
Of course, we can init the database use anchor govenor.
example.yaml
apiVersion: v1kind: Podmetadata:
name: busyboxnamespace: defaultannotations:
cni.daocloud.io/ipAddrs: 192.168.2.[2-8]cni.daocloud.io/currentUser: user01spec:
containers:
- image: busyboxcommand:
- sleep
- "3600"imagePullPolicy: IfNotPresentname: busyboxrestartPolicy: Never
kubectl apply -f example.yaml
About
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Anchor: Static IP CNI solution for Kubernetes
Anchor is a static IP CNI solution for kubernetes. It is composed of anchor-ipam, anchor-governor.
Create Network interface
  • MacVLAN
The code below create a macvlan interface named mac0, and its parent is eth0.
ip link add mac0 link eth0 type macvlan mode bridge
ip addr add 10.100.160.120/24 dev mac0
ip link set dev mac0 up
ip route flush dev mac0
ip route add 10.100.160.0/24 dev mac0 metric 0
  • Bridge
Bridge with promiscuous mode is supported. The method will be added here later.
Anchor governor
Anchor governor is the manager of the etcd store. It is responsible for init the User <-> IPs, and display the usage of the IPs.
Compile
mkdir -p $GOPATH/src/github.com/daocloud
cd$GOPATH/src/github.com/daocloud
git clone https://github.com/DaoCloud/anchor
cd anchor/anchor-ipam && go build
docker build -t anchor:v0.2 .
ETCD
Recently, please use etcd only as data store. Please intall or ensure that there is an etcd cluster available first. We used it as a distributed database.
Configuration and installation
vi anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
# Config line 9 and line 38, 39, 40

kubectl apply -f anchor-ipam/k8s-install/anchor-with(or without)-rbac.yaml
Init and Example
etcdctl put /ipam/users/user01 /ipam/users/user01,192.168.2.[2-19]
etcdctl put /ipam/gateway/192.168.2.0/16 192.168.2.0/16,192.168.2.1
Of course, we can init the database use anchor govenor.
example.yaml
apiVersion: v1kind: Podmetadata:
name: busyboxnamespace: defaultannotations:
cni.daocloud.io/ipAddrs: 192.168.2.[2-8]cni.daocloud.io/currentUser: user01spec:
containers:
- image: busyboxcommand:
- sleep
- "3600"imagePullPolicy: IfNotPresentname: busyboxrestartPolicy: Never
kubectl apply -f example.yaml
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